5 files changed, 1292 insertions, 1292 deletions

diff --git a/assets/js/gsec.js b/assets/js/gsec.js
index 088edcb..19e190f 100644
--- a/assets/js/gsec.js
+++ b/assets/js/gsec.js
@@ -3,7 +3,7 @@
 var gseAbsenceTypes = ["notProcessed", "authorizedAbsence", "unauthorizedAbsence", "doesNotCount"];
 
 function getStringBetween(string, start, end) {
-    return string.split(start).pop().split(end)[0];
+	return string.split(start).pop().split(end)[0];
 }
 
 function stripHtml(html) {
@@ -13,9 +13,9 @@ function stripHtml(html) {
 }
 
 function slDayToInt(inputString) { // wtf
-    let fourChars = inputString.substring(1, 5);
-    let fourCharDays = ["oned", "orek", "reda", "etrt", "etek", "obot", "edel"];
-    return fourCharDays.indexOf(fourChars);
+	let fourChars = inputString.substring(1, 5);
+	let fourCharDays = ["oned", "orek", "reda", "etrt", "etek", "obot", "edel"];
+	return fourCharDays.indexOf(fourChars);
 }
 
 const GSE_URL = "https://zgimsis.gimb.tk/gse/";
@@ -31,646 +31,646 @@ const GSEC_MSGTYPES = ["msgReceived", "msgSent", "msgDeleted"];
 
 class gsec {
 
-    constructor() {
-    }
-
-    parseAndPost(inputHTML, params, formId = null, useDiffAction = null) {
-        return new Promise((resolve, reject) => {
-            let parser = new DOMParser();
-            let parsed = parser.parseFromString(inputHTML, "text/html");
-
-            var form;
-            if (formId == null) {
-                form = parsed.getElementsByTagName("form")[0];
-            } else {
-                form = parsed.getElementById(formId);
-            }
-
-            var otherParams = $(form).serializeArray();
-            for (const input of otherParams) {
-                if (!(input.name in params)) {
-                    params[input.name] = input.value; // so we don't overwrite existing values
-                }
-            }
-        
-            var action;
-            if (useDiffAction == null || useDiffAction == false) {
-                action = new URL($(form).attr("action"), GSE_URL); // absolute == relative + base
-            } else {
-                action = useDiffAction;
-            }
-
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: action,
-                cache: false,
-                type: "POST",
-                data: params,
-                dataType: "text",
-                success: (postData, textStatus, xhr) => {
-                    resolve({data: postData, textStatus: textStatus, code: xhr.status});
-                },
-                error: () => {
-                    reject(new Error(GSEC_ERR_NET_POSTBACK_POST));
-                }
-            });
-        });
-    }
-
-    postback(getUrl, params = {}, formId = null, useDiffAction = null) {
-        return new Promise( (resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: getUrl,
-                cache: false,
-                type: "GET",
-                dataType: "html",
-                success: (data) => {
-                    if (useDiffAction == true) {
-                        useDiffAction = getUrl;
-                    }
-                    this.parseAndPost(data, params, formId, useDiffAction).then((value) => {
-                        resolve(value);
-                    });
-                },
-                error: () => {
-                    reject(new Error(GSEC_ERR_NET_POSTBACK_GET));
-                }
-            });
-        });
-    }
-
-    login(usernameToLogin, passwordToLogin) {
-        return new Promise((resolve, reject) => {
-            var dataToSend = {
-                "edtGSEUserId": usernameToLogin,
-                "edtGSEUserPassword": passwordToLogin,
-                "btnLogin": "Prijava"
-            };
-            this.postback(GSE_URL + "Logon.aspx", dataToSend, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                if (response.code === 302) {
-                    resolve(true);
-                } else {
-                    if (parsed.getElementById("lblMsg")) { // če obstaja lblMsg (napaka pri prijavi)
-                        reject(new Error(GSEC_ERR_LOGIN));
-                    } else if (!(parsed.getElementById("ctl00_lblLoginName"))) { // če ni ctl00_lblLoginName nismo na Default.aspx
-                        reject(new Error(GSEC_ERR_LOGIN));
-                    } else {
-                        resolve(parsed.getElementById("ctl00_lblLoginName").innerHTML); // vrne ime dijaka, to je lahko uporabno
-                    }
-                }
-            });
-        });
-    }
-
-    fetchSessionData() {
-        return new Promise((resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "WS_Gim/wsGimSisUtils.asmx/GetSessionData",
-                type: "POST",
-                dataType: "json",
-                cache: false,
-                contentType: "application/json",
-                data: "{}",
-                processData: false,
-                success: (data, textStatus, xhr) => {
-                    var podatki = {};
-                    podatki[0] = data.d.split(", ")[0];
-                    podatki[1] = data.d.split(", ")[1];
-                    podatki["username"] = data.d.split(", ")[1];
-                    podatki[2] = data.d.split(", ")[2];
-                    podatki[3] = data.d.split(", ")[3];
-                    podatki["sessionCookie"] = data.d.split(", ")[3];
-                    podatki[4] = data.d.split(", ")[4];
-                    resolve({"data": podatki, "textStatus": textStatus, "code": xhr.status});
-                },
-                error: () => {
-                    reject(new Error(false));
-                }
-            });
-        });
-    }
-
-    fetchTeachersDirectory() {
-        return new Promise((resolve, reject) => {
-            var currentDate = new Date();
-            // če je že po avgustu (september), uporabimo trenutno letnico
-            // če še ni avgust uporabimo preteklo leto/letnico
-            // skratka uporabi se prvi sklop številk v šolskem letu TOLE(XXXX/yyyy)
-            var letnica = currentDate.getFullYear();
-            if (currentDate.getMonth() < 7) {
-                letnica--;
-            }
-
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "Page_Gim/Uporabnik/modSporociloPrejemniki.aspx/NajdiOsebePrejemniki",
-                type: "POST",
-                dataType: "json",
-                contentType: "application/json",
-                cache: false,
-                data: JSON.stringify({
-                    "aIdOsebeRe": "",
-                    "aIdSolskoLeto": Number(letnica).toString(),
-                    "aMsgType": "null",
-                    "aIdType": "null",
-                    "aIdUcitelj": "",
-                    "aFilter": null
-                }),
-                // note about the nulls, "null"s and ""s: this is actually how zgimsisext2016 javascripts sends it.
-                processData: false,
-                success: (data) => {
-                    var teachersDirectory = data.d.split(";"); // data.d je "12434=Ime Primek (učitelj);75353=Ime Drugega Priimek (učitelj)";
-                    teachersDirectory.pop(); // pop, ker se string konča z ;
-                    var formatted = {};
-                    teachersDirectory.forEach((v) => {
-                        formatted[v.split("=")[1].split(" (")[0]] = v.split("=")[0];
-                    });
-                    resolve(formatted);
-                },
-                error: () => {
-                    reject(new Error(false));
-                }
-            });
-        });
-    }
-
-    fetchTimetable(datum = null) {
-
-        const SUBJECT_REGEX = /\((.+?)\)/;
-        const ABKURZUNG_REGEX = /^(.+?) \(/;
-
-        var dataToSend = datum == null ? {} : {
-            "ctl00$ContentPlaceHolder1$wkgDnevnik_edtGridSelectDate": `${datum.getDate()}.${Number(datum.getMonth()+1)}.${datum.getFullYear()}`
-        };
-
-        return new Promise((resolve) => {
-            var urnik = { 0: {}, 1: {}, 2: {}, 3: {}, 4: {}, 5: {}, 6:{} } ;
-            this.postback(GSE_URL+"Page_Gim/Ucenec/DnevnikUcenec.aspx", dataToSend, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                for (const urnikElement of parsed.querySelectorAll('*[id^="ctl00_ContentPlaceHolder1_wkgDnevnik_btnCell_"]')) {
-                    var subFields = urnikElement.id.split("_");
-                    var period = subFields[4];
-                    var day = subFields[5];
-                    var desc = $(urnikElement).attr("title").split("\n");
-                    var subject = SUBJECT_REGEX.exec(desc[1])[1];
-                    var abkurzung = ABKURZUNG_REGEX.exec(desc[1])[1];
-                    var razred = desc[2];
-                    var teacher = desc[3];
-                    var place = desc[4];
-                    urnik[day][period] = {
-                        "subject": subject,
-                        "acronym": abkurzung,
-                        "class": razred,
-                        "teacher": teacher,
-                        "place": place
-                    };
-                }
-                resolve(urnik);
-            });
-        });
-    }
-
-    fetchGradings() {
-
-        const DESC_REGEX = /\((.+?)\)/m;
-        const SUBJECT_REGEX = /^(.+?) \(/m;
-
-        return new Promise((resolve) => {
-            var gradings = [];
-            this.postback(GSE_URL + "Page_Gim/Ucenec/IzpitiUcenec.aspx", {}, null, true).then( (response) => {
-
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-
-                var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
-
-                for (const row of rowElements) {
-                    var subFields = row.getElementsByTagName("td");
-                    var date = subFields[0].innerHTML.trim().split(".");
-                    var dateObj = new Date(date[2]+"-"+date[1]+"-"+date[0]);
-                    var rowSpan = subFields[1].getElementsByTagName("span")[0];
-                    var abkurzung = "";
-
-                    if (rowSpan) {
-                        abkurzung = rowSpan.innerHTML.trim();
-                    }
-
-                    rowSpan.remove(); // magic
-                    var subject = SUBJECT_REGEX.exec(subFields[1].innerHTML)[1].trim();
-                    var desc = DESC_REGEX.exec(subFields[1].innerHTML)[1];
-
-                    gradings.push({
-                        "date": dateObj,
-                        "acronym": abkurzung,
-                        "subject": subject,
-                        "description": desc
-                    });
-                }
-                resolve(gradings);
-            });
-        });
-    }
-
-    fetchTeachers() { // razrednika ne vrne kot razrednika, če le-ta uči še en predmet. razlog: razrednik je napisan dvakrat, drugič se prepiše. Ne da se mi popravljat.
-
-        const SUBJECT_REGEX = /^(.+?(?= \()|.+(?! \())/; // For some reason, JS doesn't support conditional regex
-        const ABKURZUNG_REGEX = /\((.+)\)/;
-        const DAY_REGEX = /^(.+?), /m;
-        const PERIOD_REGEX = /, (\d+?)\. ura/;
-        const TIME_RANGE_REGEX = /\((.+?) - (.+?)\)/;
-
-        return new Promise((resolve) => {
-            var Teachers = {};
-
-            this.postback(GSE_URL + "Page_Gim/Ucenec/UciteljskiZbor.aspx", {}, null, true).then((response) => {
-
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-
-                var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
-
-                for (const row of rowElements) {
-                    var subFields = row.getElementsByTagName("td");
-                    var name = stripHtml(subFields[0].innerHTML); // razrednik je namreč bold tekst!
-                    var subjectStrings = subFields[2].innerHTML.split("<br>");
-                    var subjects = {};
-
-                    for (const subjectString of subjectStrings) {
-                        var subjectName = SUBJECT_REGEX.exec(stripHtml(subjectString))[1];
-                        var abkurzung = ABKURZUNG_REGEX.exec(stripHtml(subjectString));
-                        abkurzung = abkurzung == null ? subjectName : abkurzung[1];
-                        subjects[abkurzung] = subjectName;
-                    }
-
-										try {
-											var TP = {};
-											TP.day = slDayToInt(DAY_REGEX.exec(subFields[3].innerHTML)[1]);
-											TP.period = Number(PERIOD_REGEX.exec(subFields[3].innerHTML)[1]);
-											var time_range_matches = TIME_RANGE_REGEX.exec(subFields[3].innerHTML);
-											TP.from = time_range_matches[1];
-											TP.till = time_range_matches[2];
-											if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
-												TP = false;
-											}
-										} catch (error) {
-											var TP = {};
-											TP.day = slDayToInt(subFields[3].innerHTML.split(", ")[0]);
-											TP.period = Number( subFields[3].innerHTML.split(", ").pop().split(". ura")[0] );
-											TP.from = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[0];
-											TP.till = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[1];
-											if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
-												TP = false;
-											}
-										}
-
-                    Teachers[name] = { "subjects" : subjects , "tpMeetings" : TP };
-                }
-                resolve(Teachers);
-            });
-        });
-    }
-
-    sendMessage(recipient, subject = " ", body = " ") {
-        return new Promise((resolve) => {
-            var dataToSend = {
-                "ctl00$ModalMasterBody$edtPrejemniki": "",
-                "ctl00$ModalMasterBody$edtZadeva": subject,
-                "ctl00$ModalMasterBody$edtBesediloExt": he.encode(body, {useNamedReferences: true}),
-                "__EVENTTARGET": "ctl00$ModalMasterBody$btnDogodekShrani",
-                "__EVENTARGUMENT": "",
-                "ctl00$ModalMasterBody$hfPrejemniki": recipient
-            };
-            this.postback(GSE_URL+"Page_Gim/Uporabnik/modSporocilo.aspx?params=", dataToSend, null, true).then(() => {
-                resolve(null);
-            });
-        });
-    }
-
-    deleteMessage(id) {
-        return new Promise((resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx/DeleteMessage",
-                type: "POST",
-                dataType: "json",
-                cache: false,
-                contentType: "application/json",
-                data: JSON.stringify({
-                    "aIdSporocilo": id.split("|")[0],
-                    "aIdZapis": id.split("|")[1]
-                }),
-                processData: false,
-                success: (data) => {
-                    if(data.d == true) {
-                        resolve(true);
-                    } else {
-                        reject(new Error(false));
-                    }
-                },
-                error: () => {
-                reject(new Error(GSEC_ERR_NET));
-                }
-            });
-        });
-    }
-
-    fetchAbsences(fromDate = null, tillDate = null) { // navedba datumov je deprecated. Internet je dovolj hiter za poslat maksimalno 4160 ur (16 ur/dan, 5 dni/ted, 52 ted/leto)
-
-        const SUBJECT_LIST_REGEX = /(.+? \(<span class="opr\d">\dP?<\/span>\))(?:,\s*|$)/g;
-        const FIELDS_REGEX = /^(.+?) \(<span class="opr(\d)">(\dP?)<\/span>\)/;
-
-        return new Promise((resolve) => {
-            if (!(fromDate instanceof Date) || !(tillDate instanceof Date)) {
-                tillDate = new Date(Date.UTC(9999, 11, 30)); // overkill? Of course not, cez 8000 let bo ta app se vedno top shit
-                fromDate = new Date(Date.UTC(1, 1, 1)); // i don't think so
-            }
-
-            var dataToBeSent = {
-                "ctl00$ContentPlaceHolder1$edtDatZacetka": `${fromDate.getDay()}.${fromDate.getMonth()}.${fromDate.getFullYear()}`,
-                "ctl00$ContentPlaceHolder1$edtDatKonca": `${tillDate.getDay()}.${tillDate.getMonth()}.${tillDate.getFullYear()}`,
-            };
-
-            this.postback(GSE_URL+"Page_Gim/Ucenec/IzostankiUcenec.aspx", dataToBeSent, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-
-                try {
-                    var rowElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwIzostankiGroup").getElementsByTagName("tbody")[0].getElementsByTagName("tr");
-                } catch (err) {
-                    resolve(GSEC_NO_ABSENCES);
-                }
-
-                var absences = [];
-                 for (const izostanek of rowElements) {
-                    var subFields = izostanek.getElementsByTagName("td");
-                    var date = subFields[0].innerHTML.trim().split(".");
-                    var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
-
-                    var subjects = [];
-                    subFields[2].innerHTML.match(SUBJECT_LIST_REGEX).forEach((subject) => {
-                        subjects.push(subject);
-                    });
-
-                    var absencesBySubject = {};
-
-                    for (const subject of subjects) {
-                        const matched_info = FIELDS_REGEX.exec(subject);
-
-                        var subjectName = matched_info[1];
-                        var status = Number(matched_info[2]);
-                        // statusi so: 0: ni obdelano, 1: opravičeno, 2: neopravičeno, 3: ne šteje, uporabi S(gseAbsenceTypes[num]) za i18n prevod
-                        // Ce je v "stevilki" P, gre za popoldansko uro -> +7 ur
-                        var period = matched_info[3];
-                        period = period.includes("P") ? Number(period.replace("P", "")) + 7 : Number(period);
-                        absencesBySubject[period] = {status: status, subject: subjectName};
-                    }
-                    absences.push({subjects: absencesBySubject, date: dateObj});
-                }
-                resolve(absences);
-            });
-        });
-    }
-
-    fetchGrades() {
-        var grades = [];
-        return new Promise((resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "Page_Gim/Ucenec/OceneUcenec.aspx",
-                cache: false,
-                type: "GET",
-                dataType: "html",
-                processData: false,
-
-                success: (data) => {
-
-                    let parser = new DOMParser();
-                    let parsed = parser.parseFromString(data, "text/html");
-
-                    let gradeSpans = parsed.getElementsByClassName("txtVOcObd");
-                    for (const grade of gradeSpans) {
-                        var ist = grade.getElementsByTagName("span")[0].getAttribute("title").split("\n");
-                        var date = ist[0].split(": ")[1].trim().split(".");
-                        var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
-                        var teacher = ist[1].split(": ")[1].trim();
-                        var subject = ist[2].split(": ")[1].trim();
-                        var name = [];
-
-                        name.push(ist[3].split(": ")[1].trim())
-                        name.push(ist[4].split(": ")[1].trim())
-                        name.push(ist[5].split(": ")[1].trim())
-
-                        var gradeNumber = Number(grade.getElementsByTagName("span")[0].innerHTML);
-                        var temporary = grade.getElementsByTagName("span")[0].classList.contains("ocVmesna");
-
-                        var gradeToAdd = {
-                            "date": dateObj,
-                            "teacher": teacher,
-                            "subject": subject,
-                            "name": name,
-                            "temporary": temporary,
-                            "grade": gradeNumber
-                        };
-
-                        if (grade.getElementsByTagName("span").length > 1) {
-                            if(grade.getElementsByTagName("span")[1].classList.contains("ocVmesna")) {
-                                gradeToAdd["temporary"] = true;
-                            } else {
-                                gradeToAdd["temporary"] = false;
-                            }
-                            gradeToAdd["grade"] = Number(grade.getElementsByTagName("span")[1].innerHTML);
-                            gradeToAdd["oldgrade"] = Number(grade.getElementsByTagName("span")[0].innerHTML);
-                        }
-                        grades.push(gradeToAdd);
-
-                    }
-                    resolve(grades);
-                },
-                error: () => {
-                    reject(new Error(GSEC_ERR_NET));
-                }
-            });
-        });
-    }
-
-    fetchMessageOld(selectId) { // ne dela, glej fix spodaj (fetchMessage)
-
-        const TIME_REGEX = / \(.+ (.+?)\)/;
-        const DATE_REGEX = / \(.+? /;
-        const SENDER_REGEX = /^(.+?) \(/;
-
-        var message;
-        return new Promise((resolve) => {
-            var dataToBeSent = {
-                "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
-                "__EVENTARGUMENT": "Select$" + selectId
-            };
-
-            this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
-                let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
-                let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
-                let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
-                var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
-                var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
-                var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]} ${tume}`)); // "tume"!
-                var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
-                message = {
-                    "subject": subject,
-                    "body": body,
-                    "sender": sender,
-                    "recipient": recipient,
-                    "date": dateObj,
-                    "msgId": msgId
-                };
-                resolve(message);
-            });
-        });
-    }
-
-    fetchMessagesLastPageNumber(category = GSEC_MSGTYPE_RECEIVED) {
-        var msgCategory = GSEC_MSGTYPES[category];
-        return new Promise((resolve) => {
-            var dataToBeSent = {
-                "ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
-                "__EVENTARGUMENT": "Page$Last",
-                "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
-            };
-            this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                let currentPage;
-                if (parsed.getElementsByClassName("pager").length == 0) { // pager is not shown, there is only page one.
-                    currentPage = 1;
-                } else {
-                    currentPage = Number(parsed.getElementsByClassName("pager")[0].getElementsByTagName("span")[0].innerHTML);
-                }
-                resolve(currentPage);
-            });
-        });
-    }
-
-    fetchMessagesList(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, outputResponse = false) { // outputResponse je probably za debug
-
-        const DATE_REGEX = /(\d+?).(\d+?).(\d+?) /; // I'm lazy
-
-        var msgCategory = GSEC_MSGTYPES[category];
-        var messages = [];
-        var requestURI = GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx";
-        return new Promise((resolve) => {
-            var dataToBeSent = {
-                "ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
-                "__EVENTARGUMENT": "Page$" + pageNumber,
-                "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
-            };
-            this.postback(requestURI, dataToBeSent, null, true).then((response) => {
-                if (outputResponse === true) {
-                    response.url = requestURI;
-                    resolve(response);
-                }
-
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                let messageElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwSporocila").getElementsByTagName("tbody")[0].getElementsByTagName("td");
-                for (const messageElement of messageElements) {
-                    let msgId = messageElement.getElementsByTagName("input")[0].value;
-                    var date = DATE_REGEX.exec(messageElement.getElementsByClassName("msgSubDate")[0].innerHTML);
-                    var today = new Date();
-
-                    if (date[3] == undefined || date[2].length < 1) {
-                        date[3] = today.getFullYear();
-                    }
-
-                    if (date[2] == undefined || date[2].length < 1) {
-                        date[2] = today.getMonth() + 1;
-                        date[1] = today.getDate();
-                    }
-
-                    var tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML.split(" ")[1];
+	constructor() {
+	}
+
+	parseAndPost(inputHTML, params, formId = null, useDiffAction = null) {
+		return new Promise((resolve, reject) => {
+			let parser = new DOMParser();
+			let parsed = parser.parseFromString(inputHTML, "text/html");
+
+			var form;
+			if (formId == null) {
+				form = parsed.getElementsByTagName("form")[0];
+			} else {
+				form = parsed.getElementById(formId);
+			}
+
+			var otherParams = $(form).serializeArray();
+			for (const input of otherParams) {
+				if (!(input.name in params)) {
+					params[input.name] = input.value; // so we don't overwrite existing values
+				}
+			}
+		
+			var action;
+			if (useDiffAction == null || useDiffAction == false) {
+				action = new URL($(form).attr("action"), GSE_URL); // absolute == relative + base
+			} else {
+				action = useDiffAction;
+			}
+
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: action,
+				cache: false,
+				type: "POST",
+				data: params,
+				dataType: "text",
+				success: (postData, textStatus, xhr) => {
+					resolve({data: postData, textStatus: textStatus, code: xhr.status});
+				},
+				error: () => {
+					reject(new Error(GSEC_ERR_NET_POSTBACK_POST));
+				}
+			});
+		});
+	}
+
+	postback(getUrl, params = {}, formId = null, useDiffAction = null) {
+		return new Promise( (resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: getUrl,
+				cache: false,
+				type: "GET",
+				dataType: "html",
+				success: (data) => {
+					if (useDiffAction == true) {
+						useDiffAction = getUrl;
+					}
+					this.parseAndPost(data, params, formId, useDiffAction).then((value) => {
+						resolve(value);
+					});
+				},
+				error: () => {
+					reject(new Error(GSEC_ERR_NET_POSTBACK_GET));
+				}
+			});
+		});
+	}
+
+	login(usernameToLogin, passwordToLogin) {
+		return new Promise((resolve, reject) => {
+			var dataToSend = {
+				"edtGSEUserId": usernameToLogin,
+				"edtGSEUserPassword": passwordToLogin,
+				"btnLogin": "Prijava"
+			};
+			this.postback(GSE_URL + "Logon.aspx", dataToSend, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				if (response.code === 302) {
+					resolve(true);
+				} else {
+					if (parsed.getElementById("lblMsg")) { // če obstaja lblMsg (napaka pri prijavi)
+						reject(new Error(GSEC_ERR_LOGIN));
+					} else if (!(parsed.getElementById("ctl00_lblLoginName"))) { // če ni ctl00_lblLoginName nismo na Default.aspx
+						reject(new Error(GSEC_ERR_LOGIN));
+					} else {
+						resolve(parsed.getElementById("ctl00_lblLoginName").innerHTML); // vrne ime dijaka, to je lahko uporabno
+					}
+				}
+			});
+		});
+	}
+
+	fetchSessionData() {
+		return new Promise((resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "WS_Gim/wsGimSisUtils.asmx/GetSessionData",
+				type: "POST",
+				dataType: "json",
+				cache: false,
+				contentType: "application/json",
+				data: "{}",
+				processData: false,
+				success: (data, textStatus, xhr) => {
+					var podatki = {};
+					podatki[0] = data.d.split(", ")[0];
+					podatki[1] = data.d.split(", ")[1];
+					podatki["username"] = data.d.split(", ")[1];
+					podatki[2] = data.d.split(", ")[2];
+					podatki[3] = data.d.split(", ")[3];
+					podatki["sessionCookie"] = data.d.split(", ")[3];
+					podatki[4] = data.d.split(", ")[4];
+					resolve({"data": podatki, "textStatus": textStatus, "code": xhr.status});
+				},
+				error: () => {
+					reject(new Error(false));
+				}
+			});
+		});
+	}
+
+	fetchTeachersDirectory() {
+		return new Promise((resolve, reject) => {
+			var currentDate = new Date();
+			// če je že po avgustu (september), uporabimo trenutno letnico
+			// če še ni avgust uporabimo preteklo leto/letnico
+			// skratka uporabi se prvi sklop številk v šolskem letu TOLE(XXXX/yyyy)
+			var letnica = currentDate.getFullYear();
+			if (currentDate.getMonth() < 7) {
+				letnica--;
+			}
+
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "Page_Gim/Uporabnik/modSporociloPrejemniki.aspx/NajdiOsebePrejemniki",
+				type: "POST",
+				dataType: "json",
+				contentType: "application/json",
+				cache: false,
+				data: JSON.stringify({
+					"aIdOsebeRe": "",
+					"aIdSolskoLeto": Number(letnica).toString(),
+					"aMsgType": "null",
+					"aIdType": "null",
+					"aIdUcitelj": "",
+					"aFilter": null
+				}),
+				// note about the nulls, "null"s and ""s: this is actually how zgimsisext2016 javascripts sends it.
+				processData: false,
+				success: (data) => {
+					var teachersDirectory = data.d.split(";"); // data.d je "12434=Ime Primek (učitelj);75353=Ime Drugega Priimek (učitelj)";
+					teachersDirectory.pop(); // pop, ker se string konča z ;
+					var formatted = {};
+					teachersDirectory.forEach((v) => {
+						formatted[v.split("=")[1].split(" (")[0]] = v.split("=")[0];
+					});
+					resolve(formatted);
+				},
+				error: () => {
+					reject(new Error(false));
+				}
+			});
+		});
+	}
+
+	fetchTimetable(datum = null) {
+
+		const SUBJECT_REGEX = /\((.+?)\)/;
+		const ABKURZUNG_REGEX = /^(.+?) \(/;
+
+		var dataToSend = datum == null ? {} : {
+			"ctl00$ContentPlaceHolder1$wkgDnevnik_edtGridSelectDate": `${datum.getDate()}.${Number(datum.getMonth()+1)}.${datum.getFullYear()}`
+		};
+
+		return new Promise((resolve) => {
+			var urnik = { 0: {}, 1: {}, 2: {}, 3: {}, 4: {}, 5: {}, 6:{} } ;
+			this.postback(GSE_URL+"Page_Gim/Ucenec/DnevnikUcenec.aspx", dataToSend, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				for (const urnikElement of parsed.querySelectorAll('*[id^="ctl00_ContentPlaceHolder1_wkgDnevnik_btnCell_"]')) {
+					var subFields = urnikElement.id.split("_");
+					var period = subFields[4];
+					var day = subFields[5];
+					var desc = $(urnikElement).attr("title").split("\n");
+					var subject = SUBJECT_REGEX.exec(desc[1])[1];
+					var abkurzung = ABKURZUNG_REGEX.exec(desc[1])[1];
+					var razred = desc[2];
+					var teacher = desc[3];
+					var place = desc[4];
+					urnik[day][period] = {
+						"subject": subject,
+						"acronym": abkurzung,
+						"class": razred,
+						"teacher": teacher,
+						"place": place
+					};
+				}
+				resolve(urnik);
+			});
+		});
+	}
+
+	fetchGradings() {
+
+		const DESC_REGEX = /\((.+?)\)/m;
+		const SUBJECT_REGEX = /^(.+?) \(/m;
+
+		return new Promise((resolve) => {
+			var gradings = [];
+			this.postback(GSE_URL + "Page_Gim/Ucenec/IzpitiUcenec.aspx", {}, null, true).then( (response) => {
+
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+
+				var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
+
+				for (const row of rowElements) {
+					var subFields = row.getElementsByTagName("td");
+					var date = subFields[0].innerHTML.trim().split(".");
+					var dateObj = new Date(date[2]+"-"+date[1]+"-"+date[0]);
+					var rowSpan = subFields[1].getElementsByTagName("span")[0];
+					var abkurzung = "";
+
+					if (rowSpan) {
+						abkurzung = rowSpan.innerHTML.trim();
+					}
+
+					rowSpan.remove(); // magic
+					var subject = SUBJECT_REGEX.exec(subFields[1].innerHTML)[1].trim();
+					var desc = DESC_REGEX.exec(subFields[1].innerHTML)[1];
+
+					gradings.push({
+						"date": dateObj,
+						"acronym": abkurzung,
+						"subject": subject,
+						"description": desc
+					});
+				}
+				resolve(gradings);
+			});
+		});
+	}
+
+	fetchTeachers() { // razrednika ne vrne kot razrednika, če le-ta uči še en predmet. razlog: razrednik je napisan dvakrat, drugič se prepiše. Ne da se mi popravljat.
+
+		const SUBJECT_REGEX = /^(.+?(?= \()|.+(?! \())/; // For some reason, JS doesn't support conditional regex
+		const ABKURZUNG_REGEX = /\((.+)\)/;
+		const DAY_REGEX = /^(.+?), /m;
+		const PERIOD_REGEX = /, (\d+?)\. ura/;
+		const TIME_RANGE_REGEX = /\((.+?) - (.+?)\)/;
+
+		return new Promise((resolve) => {
+			var Teachers = {};
+
+			this.postback(GSE_URL + "Page_Gim/Ucenec/UciteljskiZbor.aspx", {}, null, true).then((response) => {
+
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+
+				var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
+
+				for (const row of rowElements) {
+					var subFields = row.getElementsByTagName("td");
+					var name = stripHtml(subFields[0].innerHTML); // razrednik je namreč bold tekst!
+					var subjectStrings = subFields[2].innerHTML.split("<br>");
+					var subjects = {};
+
+					for (const subjectString of subjectStrings) {
+						var subjectName = SUBJECT_REGEX.exec(stripHtml(subjectString))[1];
+						var abkurzung = ABKURZUNG_REGEX.exec(stripHtml(subjectString));
+						abkurzung = abkurzung == null ? subjectName : abkurzung[1];
+						subjects[abkurzung] = subjectName;
+					}
+
+					try {
+						var TP = {};
+						TP.day = slDayToInt(DAY_REGEX.exec(subFields[3].innerHTML)[1]);
+						TP.period = Number(PERIOD_REGEX.exec(subFields[3].innerHTML)[1]);
+						var time_range_matches = TIME_RANGE_REGEX.exec(subFields[3].innerHTML);
+						TP.from = time_range_matches[1];
+						TP.till = time_range_matches[2];
+						if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
+							TP = false;
+						}
+					} catch (error) {
+						var TP = {};
+						TP.day = slDayToInt(subFields[3].innerHTML.split(", ")[0]);
+						TP.period = Number( subFields[3].innerHTML.split(", ").pop().split(". ura")[0] );
+						TP.from = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[0];
+						TP.till = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[1];
+						if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
+							TP = false;
+						}
+					}
+
+					Teachers[name] = { "subjects" : subjects , "tpMeetings" : TP };
+				}
+				resolve(Teachers);
+			});
+		});
+	}
+
+	sendMessage(recipient, subject = " ", body = " ") {
+		return new Promise((resolve) => {
+			var dataToSend = {
+				"ctl00$ModalMasterBody$edtPrejemniki": "",
+				"ctl00$ModalMasterBody$edtZadeva": subject,
+				"ctl00$ModalMasterBody$edtBesediloExt": he.encode(body, {useNamedReferences: true}),
+				"__EVENTTARGET": "ctl00$ModalMasterBody$btnDogodekShrani",
+				"__EVENTARGUMENT": "",
+				"ctl00$ModalMasterBody$hfPrejemniki": recipient
+			};
+			this.postback(GSE_URL+"Page_Gim/Uporabnik/modSporocilo.aspx?params=", dataToSend, null, true).then(() => {
+				resolve(null);
+			});
+		});
+	}
+
+	deleteMessage(id) {
+		return new Promise((resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx/DeleteMessage",
+				type: "POST",
+				dataType: "json",
+				cache: false,
+				contentType: "application/json",
+				data: JSON.stringify({
+					"aIdSporocilo": id.split("|")[0],
+					"aIdZapis": id.split("|")[1]
+				}),
+				processData: false,
+				success: (data) => {
+					if(data.d == true) {
+						resolve(true);
+					} else {
+						reject(new Error(false));
+					}
+				},
+				error: () => {
+				reject(new Error(GSEC_ERR_NET));
+				}
+			});
+		});
+	}
+
+	fetchAbsences(fromDate = null, tillDate = null) { // navedba datumov je deprecated. Internet je dovolj hiter za poslat maksimalno 4160 ur (16 ur/dan, 5 dni/ted, 52 ted/leto)
+
+		const SUBJECT_LIST_REGEX = /(.+? \(<span class="opr\d">\dP?<\/span>\))(?:,\s*|$)/g;
+		const FIELDS_REGEX = /^(.+?) \(<span class="opr(\d)">(\dP?)<\/span>\)/;
+
+		return new Promise((resolve) => {
+			if (!(fromDate instanceof Date) || !(tillDate instanceof Date)) {
+				tillDate = new Date(Date.UTC(9999, 11, 30)); // overkill? Of course not, cez 8000 let bo ta app se vedno top shit
+				fromDate = new Date(Date.UTC(1, 1, 1)); // i don't think so
+			}
+
+			var dataToBeSent = {
+				"ctl00$ContentPlaceHolder1$edtDatZacetka": `${fromDate.getDay()}.${fromDate.getMonth()}.${fromDate.getFullYear()}`,
+				"ctl00$ContentPlaceHolder1$edtDatKonca": `${tillDate.getDay()}.${tillDate.getMonth()}.${tillDate.getFullYear()}`,
+			};
+
+			this.postback(GSE_URL+"Page_Gim/Ucenec/IzostankiUcenec.aspx", dataToBeSent, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+
+				try {
+					var rowElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwIzostankiGroup").getElementsByTagName("tbody")[0].getElementsByTagName("tr");
+				} catch (err) {
+					resolve(GSEC_NO_ABSENCES);
+				}
+
+				var absences = [];
+				 for (const izostanek of rowElements) {
+					var subFields = izostanek.getElementsByTagName("td");
+					var date = subFields[0].innerHTML.trim().split(".");
+					var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
+
+					var subjects = [];
+					subFields[2].innerHTML.match(SUBJECT_LIST_REGEX).forEach((subject) => {
+						subjects.push(subject);
+					});
+
+					var absencesBySubject = {};
+
+					for (const subject of subjects) {
+						const matched_info = FIELDS_REGEX.exec(subject);
+
+						var subjectName = matched_info[1];
+						var status = Number(matched_info[2]);
+						// statusi so: 0: ni obdelano, 1: opravičeno, 2: neopravičeno, 3: ne šteje, uporabi S(gseAbsenceTypes[num]) za i18n prevod
+						// Ce je v "stevilki" P, gre za popoldansko uro -> +7 ur
+						var period = matched_info[3];
+						period = period.includes("P") ? Number(period.replace("P", "")) + 7 : Number(period);
+						absencesBySubject[period] = {status: status, subject: subjectName};
+					}
+					absences.push({subjects: absencesBySubject, date: dateObj});
+				}
+				resolve(absences);
+			});
+		});
+	}
+
+	fetchGrades() {
+		var grades = [];
+		return new Promise((resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "Page_Gim/Ucenec/OceneUcenec.aspx",
+				cache: false,
+				type: "GET",
+				dataType: "html",
+				processData: false,
+
+				success: (data) => {
+
+					let parser = new DOMParser();
+					let parsed = parser.parseFromString(data, "text/html");
+
+					let gradeSpans = parsed.getElementsByClassName("txtVOcObd");
+					for (const grade of gradeSpans) {
+						var ist = grade.getElementsByTagName("span")[0].getAttribute("title").split("\n");
+						var date = ist[0].split(": ")[1].trim().split(".");
+						var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
+						var teacher = ist[1].split(": ")[1].trim();
+						var subject = ist[2].split(": ")[1].trim();
+						var name = [];
+
+						name.push(ist[3].split(": ")[1].trim())
+						name.push(ist[4].split(": ")[1].trim())
+						name.push(ist[5].split(": ")[1].trim())
+
+						var gradeNumber = Number(grade.getElementsByTagName("span")[0].innerHTML);
+						var temporary = grade.getElementsByTagName("span")[0].classList.contains("ocVmesna");
+
+						var gradeToAdd = {
+							"date": dateObj,
+							"teacher": teacher,
+							"subject": subject,
+							"name": name,
+							"temporary": temporary,
+							"grade": gradeNumber
+						};
+
+						if (grade.getElementsByTagName("span").length > 1) {
+							if(grade.getElementsByTagName("span")[1].classList.contains("ocVmesna")) {
+								gradeToAdd["temporary"] = true;
+							} else {
+								gradeToAdd["temporary"] = false;
+							}
+							gradeToAdd["grade"] = Number(grade.getElementsByTagName("span")[1].innerHTML);
+							gradeToAdd["oldgrade"] = Number(grade.getElementsByTagName("span")[0].innerHTML);
+						}
+						grades.push(gradeToAdd);
+
+					}
+					resolve(grades);
+				},
+				error: () => {
+					reject(new Error(GSEC_ERR_NET));
+				}
+			});
+		});
+	}
+
+	fetchMessageOld(selectId) { // ne dela, glej fix spodaj (fetchMessage)
+
+		const TIME_REGEX = / \(.+ (.+?)\)/;
+		const DATE_REGEX = / \(.+? /;
+		const SENDER_REGEX = /^(.+?) \(/;
+
+		var message;
+		return new Promise((resolve) => {
+			var dataToBeSent = {
+				"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
+				"__EVENTARGUMENT": "Select$" + selectId
+			};
+
+			this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
+				let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
+				let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
+				let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
+				var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
+				var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
+				var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]} ${tume}`)); // "tume"!
+				var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
+				message = {
+					"subject": subject,
+					"body": body,
+					"sender": sender,
+					"recipient": recipient,
+					"date": dateObj,
+					"msgId": msgId
+				};
+				resolve(message);
+			});
+		});
+	}
+
+	fetchMessagesLastPageNumber(category = GSEC_MSGTYPE_RECEIVED) {
+		var msgCategory = GSEC_MSGTYPES[category];
+		return new Promise((resolve) => {
+			var dataToBeSent = {
+				"ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
+				"__EVENTARGUMENT": "Page$Last",
+				"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
+			};
+			this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				let currentPage;
+				if (parsed.getElementsByClassName("pager").length == 0) { // pager is not shown, there is only page one.
+					currentPage = 1;
+				} else {
+					currentPage = Number(parsed.getElementsByClassName("pager")[0].getElementsByTagName("span")[0].innerHTML);
+				}
+				resolve(currentPage);
+			});
+		});
+	}
+
+	fetchMessagesList(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, outputResponse = false) { // outputResponse je probably za debug
+
+		const DATE_REGEX = /(\d+?).(\d+?).(\d+?) /; // I'm lazy
+
+		var msgCategory = GSEC_MSGTYPES[category];
+		var messages = [];
+		var requestURI = GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx";
+		return new Promise((resolve) => {
+			var dataToBeSent = {
+				"ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
+				"__EVENTARGUMENT": "Page$" + pageNumber,
+				"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
+			};
+			this.postback(requestURI, dataToBeSent, null, true).then((response) => {
+				if (outputResponse === true) {
+					response.url = requestURI;
+					resolve(response);
+				}
+
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				let messageElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwSporocila").getElementsByTagName("tbody")[0].getElementsByTagName("td");
+				for (const messageElement of messageElements) {
+					let msgId = messageElement.getElementsByTagName("input")[0].value;
+					var date = DATE_REGEX.exec(messageElement.getElementsByClassName("msgSubDate")[0].innerHTML);
+					var today = new Date();
+
+					if (date[3] == undefined || date[2].length < 1) {
+						date[3] = today.getFullYear();
+					}
+
+					if (date[2] == undefined || date[2].length < 1) {
+						date[2] = today.getMonth() + 1;
+						date[1] = today.getDate();
+					}
+
+					var tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML.split(" ")[1];
 										if(tume == null || tume.length < 1) {
-	                    tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML;
+						tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML;
 										}
-                    var dateStringToParse = `${date[2]}-${date[1]}-${date[0]} ${tume}`;
-                    var dateObj = new Date(Date.parse(dateStringToParse)); // "tume"!
-                    var person = messageElement.getElementsByClassName("msgDir")[0].innerHTML;
-                    var subject = messageElement.getElementsByClassName("msgSubject")[0].innerHTML;
-                    messages.push({
-                        "date": dateObj,
-                        "sender": person,
-                        "subject": subject,
-                        "msgId": msgId
-                    });
-                }
-                resolve(messages);
-            });
-        });
-    }
-
-    fetchMessage(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, messageNumberOnPage = 0) {
-
-        const TIME_REGEX = / \(.+ (.+?)\)/;
-        const DATE_REGEX = / \((\d+?).(\d+?).(\d+?) /;
-        const SENDER_REGEX = /^(.+?) \(/;
-            
-        return new Promise((resolve) => {
-            this.fetchMessagesList(category, pageNumber, true).then( (value) => {
-                this.parseAndPost(
-                    value.data,
-                    {
-                        "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
-                        "__EVENTARGUMENT": "Select$" + messageNumberOnPage
-                    },
-                    null,
-                    value.url
-                ).then((response) => {
-
-                    let parser = new DOMParser();
-                    let parsed = parser.parseFromString(response.data, "text/html");
-                    let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
-                    let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
-                    let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
-                    let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
-                    var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML);
-                    var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
-                    var dateObj = new Date(Date.parse(`${date[3]}-${date[2]}-${date[1]} ${tume}`)); // "tume"!
-                    var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
-                    var message = {
-                        "subject": subject,
-                        "body": body,
-                        "sender": sender,
-                        "recipient": recipient,
-                        "date": dateObj,
-                        "msgId": msgId
-                    };
-                    resolve(message);
-
-                });
-            });
-        });
-    }
+					var dateStringToParse = `${date[2]}-${date[1]}-${date[0]} ${tume}`;
+					var dateObj = new Date(Date.parse(dateStringToParse)); // "tume"!
+					var person = messageElement.getElementsByClassName("msgDir")[0].innerHTML;
+					var subject = messageElement.getElementsByClassName("msgSubject")[0].innerHTML;
+					messages.push({
+						"date": dateObj,
+						"sender": person,
+						"subject": subject,
+						"msgId": msgId
+					});
+				}
+				resolve(messages);
+			});
+		});
+	}
+
+	fetchMessage(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, messageNumberOnPage = 0) {
+
+		const TIME_REGEX = / \(.+ (.+?)\)/;
+		const DATE_REGEX = / \((\d+?).(\d+?).(\d+?) /;
+		const SENDER_REGEX = /^(.+?) \(/;
+			
+		return new Promise((resolve) => {
+			this.fetchMessagesList(category, pageNumber, true).then( (value) => {
+				this.parseAndPost(
+					value.data,
+					{
+						"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
+						"__EVENTARGUMENT": "Select$" + messageNumberOnPage
+					},
+					null,
+					value.url
+				).then((response) => {
+
+					let parser = new DOMParser();
+					let parsed = parser.parseFromString(response.data, "text/html");
+					let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
+					let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
+					let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
+					let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
+					var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML);
+					var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
+					var dateObj = new Date(Date.parse(`${date[3]}-${date[2]}-${date[1]} ${tume}`)); // "tume"!
+					var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
+					var message = {
+						"subject": subject,
+						"body": body,
+						"sender": sender,
+						"recipient": recipient,
+						"date": dateObj,
+						"msgId": msgId
+					};
+					resolve(message);
+
+				});
+			});
+		});
+	}
 }
diff --git a/dist/js/app.js b/dist/js/app.js
index 640e2e4..e0be429 100755
--- a/dist/js/app.js
+++ b/dist/js/app.js
@@ -3,7 +3,7 @@
 
 
 const app_version = "1.0.13-beta";
-const previous_commit = "1360b7c961cd23fa8007bc7ebed0bc924150a437";
+const previous_commit = "22bc85704a637175361d7447634f605d6a9102a1";
 
 if ("serviceWorker" in navigator) {
     navigator.serviceWorker.register("/sw.js")
diff --git a/dist/js/gsec.js b/dist/js/gsec.js
index 088edcb..19e190f 100644
--- a/dist/js/gsec.js
+++ b/dist/js/gsec.js
@@ -3,7 +3,7 @@
 var gseAbsenceTypes = ["notProcessed", "authorizedAbsence", "unauthorizedAbsence", "doesNotCount"];
 
 function getStringBetween(string, start, end) {
-    return string.split(start).pop().split(end)[0];
+	return string.split(start).pop().split(end)[0];
 }
 
 function stripHtml(html) {
@@ -13,9 +13,9 @@ function stripHtml(html) {
 }
 
 function slDayToInt(inputString) { // wtf
-    let fourChars = inputString.substring(1, 5);
-    let fourCharDays = ["oned", "orek", "reda", "etrt", "etek", "obot", "edel"];
-    return fourCharDays.indexOf(fourChars);
+	let fourChars = inputString.substring(1, 5);
+	let fourCharDays = ["oned", "orek", "reda", "etrt", "etek", "obot", "edel"];
+	return fourCharDays.indexOf(fourChars);
 }
 
 const GSE_URL = "https://zgimsis.gimb.tk/gse/";
@@ -31,646 +31,646 @@ const GSEC_MSGTYPES = ["msgReceived", "msgSent", "msgDeleted"];
 
 class gsec {
 
-    constructor() {
-    }
-
-    parseAndPost(inputHTML, params, formId = null, useDiffAction = null) {
-        return new Promise((resolve, reject) => {
-            let parser = new DOMParser();
-            let parsed = parser.parseFromString(inputHTML, "text/html");
-
-            var form;
-            if (formId == null) {
-                form = parsed.getElementsByTagName("form")[0];
-            } else {
-                form = parsed.getElementById(formId);
-            }
-
-            var otherParams = $(form).serializeArray();
-            for (const input of otherParams) {
-                if (!(input.name in params)) {
-                    params[input.name] = input.value; // so we don't overwrite existing values
-                }
-            }
-        
-            var action;
-            if (useDiffAction == null || useDiffAction == false) {
-                action = new URL($(form).attr("action"), GSE_URL); // absolute == relative + base
-            } else {
-                action = useDiffAction;
-            }
-
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: action,
-                cache: false,
-                type: "POST",
-                data: params,
-                dataType: "text",
-                success: (postData, textStatus, xhr) => {
-                    resolve({data: postData, textStatus: textStatus, code: xhr.status});
-                },
-                error: () => {
-                    reject(new Error(GSEC_ERR_NET_POSTBACK_POST));
-                }
-            });
-        });
-    }
-
-    postback(getUrl, params = {}, formId = null, useDiffAction = null) {
-        return new Promise( (resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: getUrl,
-                cache: false,
-                type: "GET",
-                dataType: "html",
-                success: (data) => {
-                    if (useDiffAction == true) {
-                        useDiffAction = getUrl;
-                    }
-                    this.parseAndPost(data, params, formId, useDiffAction).then((value) => {
-                        resolve(value);
-                    });
-                },
-                error: () => {
-                    reject(new Error(GSEC_ERR_NET_POSTBACK_GET));
-                }
-            });
-        });
-    }
-
-    login(usernameToLogin, passwordToLogin) {
-        return new Promise((resolve, reject) => {
-            var dataToSend = {
-                "edtGSEUserId": usernameToLogin,
-                "edtGSEUserPassword": passwordToLogin,
-                "btnLogin": "Prijava"
-            };
-            this.postback(GSE_URL + "Logon.aspx", dataToSend, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                if (response.code === 302) {
-                    resolve(true);
-                } else {
-                    if (parsed.getElementById("lblMsg")) { // če obstaja lblMsg (napaka pri prijavi)
-                        reject(new Error(GSEC_ERR_LOGIN));
-                    } else if (!(parsed.getElementById("ctl00_lblLoginName"))) { // če ni ctl00_lblLoginName nismo na Default.aspx
-                        reject(new Error(GSEC_ERR_LOGIN));
-                    } else {
-                        resolve(parsed.getElementById("ctl00_lblLoginName").innerHTML); // vrne ime dijaka, to je lahko uporabno
-                    }
-                }
-            });
-        });
-    }
-
-    fetchSessionData() {
-        return new Promise((resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "WS_Gim/wsGimSisUtils.asmx/GetSessionData",
-                type: "POST",
-                dataType: "json",
-                cache: false,
-                contentType: "application/json",
-                data: "{}",
-                processData: false,
-                success: (data, textStatus, xhr) => {
-                    var podatki = {};
-                    podatki[0] = data.d.split(", ")[0];
-                    podatki[1] = data.d.split(", ")[1];
-                    podatki["username"] = data.d.split(", ")[1];
-                    podatki[2] = data.d.split(", ")[2];
-                    podatki[3] = data.d.split(", ")[3];
-                    podatki["sessionCookie"] = data.d.split(", ")[3];
-                    podatki[4] = data.d.split(", ")[4];
-                    resolve({"data": podatki, "textStatus": textStatus, "code": xhr.status});
-                },
-                error: () => {
-                    reject(new Error(false));
-                }
-            });
-        });
-    }
-
-    fetchTeachersDirectory() {
-        return new Promise((resolve, reject) => {
-            var currentDate = new Date();
-            // če je že po avgustu (september), uporabimo trenutno letnico
-            // če še ni avgust uporabimo preteklo leto/letnico
-            // skratka uporabi se prvi sklop številk v šolskem letu TOLE(XXXX/yyyy)
-            var letnica = currentDate.getFullYear();
-            if (currentDate.getMonth() < 7) {
-                letnica--;
-            }
-
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "Page_Gim/Uporabnik/modSporociloPrejemniki.aspx/NajdiOsebePrejemniki",
-                type: "POST",
-                dataType: "json",
-                contentType: "application/json",
-                cache: false,
-                data: JSON.stringify({
-                    "aIdOsebeRe": "",
-                    "aIdSolskoLeto": Number(letnica).toString(),
-                    "aMsgType": "null",
-                    "aIdType": "null",
-                    "aIdUcitelj": "",
-                    "aFilter": null
-                }),
-                // note about the nulls, "null"s and ""s: this is actually how zgimsisext2016 javascripts sends it.
-                processData: false,
-                success: (data) => {
-                    var teachersDirectory = data.d.split(";"); // data.d je "12434=Ime Primek (učitelj);75353=Ime Drugega Priimek (učitelj)";
-                    teachersDirectory.pop(); // pop, ker se string konča z ;
-                    var formatted = {};
-                    teachersDirectory.forEach((v) => {
-                        formatted[v.split("=")[1].split(" (")[0]] = v.split("=")[0];
-                    });
-                    resolve(formatted);
-                },
-                error: () => {
-                    reject(new Error(false));
-                }
-            });
-        });
-    }
-
-    fetchTimetable(datum = null) {
-
-        const SUBJECT_REGEX = /\((.+?)\)/;
-        const ABKURZUNG_REGEX = /^(.+?) \(/;
-
-        var dataToSend = datum == null ? {} : {
-            "ctl00$ContentPlaceHolder1$wkgDnevnik_edtGridSelectDate": `${datum.getDate()}.${Number(datum.getMonth()+1)}.${datum.getFullYear()}`
-        };
-
-        return new Promise((resolve) => {
-            var urnik = { 0: {}, 1: {}, 2: {}, 3: {}, 4: {}, 5: {}, 6:{} } ;
-            this.postback(GSE_URL+"Page_Gim/Ucenec/DnevnikUcenec.aspx", dataToSend, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                for (const urnikElement of parsed.querySelectorAll('*[id^="ctl00_ContentPlaceHolder1_wkgDnevnik_btnCell_"]')) {
-                    var subFields = urnikElement.id.split("_");
-                    var period = subFields[4];
-                    var day = subFields[5];
-                    var desc = $(urnikElement).attr("title").split("\n");
-                    var subject = SUBJECT_REGEX.exec(desc[1])[1];
-                    var abkurzung = ABKURZUNG_REGEX.exec(desc[1])[1];
-                    var razred = desc[2];
-                    var teacher = desc[3];
-                    var place = desc[4];
-                    urnik[day][period] = {
-                        "subject": subject,
-                        "acronym": abkurzung,
-                        "class": razred,
-                        "teacher": teacher,
-                        "place": place
-                    };
-                }
-                resolve(urnik);
-            });
-        });
-    }
-
-    fetchGradings() {
-
-        const DESC_REGEX = /\((.+?)\)/m;
-        const SUBJECT_REGEX = /^(.+?) \(/m;
-
-        return new Promise((resolve) => {
-            var gradings = [];
-            this.postback(GSE_URL + "Page_Gim/Ucenec/IzpitiUcenec.aspx", {}, null, true).then( (response) => {
-
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-
-                var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
-
-                for (const row of rowElements) {
-                    var subFields = row.getElementsByTagName("td");
-                    var date = subFields[0].innerHTML.trim().split(".");
-                    var dateObj = new Date(date[2]+"-"+date[1]+"-"+date[0]);
-                    var rowSpan = subFields[1].getElementsByTagName("span")[0];
-                    var abkurzung = "";
-
-                    if (rowSpan) {
-                        abkurzung = rowSpan.innerHTML.trim();
-                    }
-
-                    rowSpan.remove(); // magic
-                    var subject = SUBJECT_REGEX.exec(subFields[1].innerHTML)[1].trim();
-                    var desc = DESC_REGEX.exec(subFields[1].innerHTML)[1];
-
-                    gradings.push({
-                        "date": dateObj,
-                        "acronym": abkurzung,
-                        "subject": subject,
-                        "description": desc
-                    });
-                }
-                resolve(gradings);
-            });
-        });
-    }
-
-    fetchTeachers() { // razrednika ne vrne kot razrednika, če le-ta uči še en predmet. razlog: razrednik je napisan dvakrat, drugič se prepiše. Ne da se mi popravljat.
-
-        const SUBJECT_REGEX = /^(.+?(?= \()|.+(?! \())/; // For some reason, JS doesn't support conditional regex
-        const ABKURZUNG_REGEX = /\((.+)\)/;
-        const DAY_REGEX = /^(.+?), /m;
-        const PERIOD_REGEX = /, (\d+?)\. ura/;
-        const TIME_RANGE_REGEX = /\((.+?) - (.+?)\)/;
-
-        return new Promise((resolve) => {
-            var Teachers = {};
-
-            this.postback(GSE_URL + "Page_Gim/Ucenec/UciteljskiZbor.aspx", {}, null, true).then((response) => {
-
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-
-                var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
-
-                for (const row of rowElements) {
-                    var subFields = row.getElementsByTagName("td");
-                    var name = stripHtml(subFields[0].innerHTML); // razrednik je namreč bold tekst!
-                    var subjectStrings = subFields[2].innerHTML.split("<br>");
-                    var subjects = {};
-
-                    for (const subjectString of subjectStrings) {
-                        var subjectName = SUBJECT_REGEX.exec(stripHtml(subjectString))[1];
-                        var abkurzung = ABKURZUNG_REGEX.exec(stripHtml(subjectString));
-                        abkurzung = abkurzung == null ? subjectName : abkurzung[1];
-                        subjects[abkurzung] = subjectName;
-                    }
-
-										try {
-											var TP = {};
-											TP.day = slDayToInt(DAY_REGEX.exec(subFields[3].innerHTML)[1]);
-											TP.period = Number(PERIOD_REGEX.exec(subFields[3].innerHTML)[1]);
-											var time_range_matches = TIME_RANGE_REGEX.exec(subFields[3].innerHTML);
-											TP.from = time_range_matches[1];
-											TP.till = time_range_matches[2];
-											if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
-												TP = false;
-											}
-										} catch (error) {
-											var TP = {};
-											TP.day = slDayToInt(subFields[3].innerHTML.split(", ")[0]);
-											TP.period = Number( subFields[3].innerHTML.split(", ").pop().split(". ura")[0] );
-											TP.from = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[0];
-											TP.till = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[1];
-											if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
-												TP = false;
-											}
-										}
-
-                    Teachers[name] = { "subjects" : subjects , "tpMeetings" : TP };
-                }
-                resolve(Teachers);
-            });
-        });
-    }
-
-    sendMessage(recipient, subject = " ", body = " ") {
-        return new Promise((resolve) => {
-            var dataToSend = {
-                "ctl00$ModalMasterBody$edtPrejemniki": "",
-                "ctl00$ModalMasterBody$edtZadeva": subject,
-                "ctl00$ModalMasterBody$edtBesediloExt": he.encode(body, {useNamedReferences: true}),
-                "__EVENTTARGET": "ctl00$ModalMasterBody$btnDogodekShrani",
-                "__EVENTARGUMENT": "",
-                "ctl00$ModalMasterBody$hfPrejemniki": recipient
-            };
-            this.postback(GSE_URL+"Page_Gim/Uporabnik/modSporocilo.aspx?params=", dataToSend, null, true).then(() => {
-                resolve(null);
-            });
-        });
-    }
-
-    deleteMessage(id) {
-        return new Promise((resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx/DeleteMessage",
-                type: "POST",
-                dataType: "json",
-                cache: false,
-                contentType: "application/json",
-                data: JSON.stringify({
-                    "aIdSporocilo": id.split("|")[0],
-                    "aIdZapis": id.split("|")[1]
-                }),
-                processData: false,
-                success: (data) => {
-                    if(data.d == true) {
-                        resolve(true);
-                    } else {
-                        reject(new Error(false));
-                    }
-                },
-                error: () => {
-                reject(new Error(GSEC_ERR_NET));
-                }
-            });
-        });
-    }
-
-    fetchAbsences(fromDate = null, tillDate = null) { // navedba datumov je deprecated. Internet je dovolj hiter za poslat maksimalno 4160 ur (16 ur/dan, 5 dni/ted, 52 ted/leto)
-
-        const SUBJECT_LIST_REGEX = /(.+? \(<span class="opr\d">\dP?<\/span>\))(?:,\s*|$)/g;
-        const FIELDS_REGEX = /^(.+?) \(<span class="opr(\d)">(\dP?)<\/span>\)/;
-
-        return new Promise((resolve) => {
-            if (!(fromDate instanceof Date) || !(tillDate instanceof Date)) {
-                tillDate = new Date(Date.UTC(9999, 11, 30)); // overkill? Of course not, cez 8000 let bo ta app se vedno top shit
-                fromDate = new Date(Date.UTC(1, 1, 1)); // i don't think so
-            }
-
-            var dataToBeSent = {
-                "ctl00$ContentPlaceHolder1$edtDatZacetka": `${fromDate.getDay()}.${fromDate.getMonth()}.${fromDate.getFullYear()}`,
-                "ctl00$ContentPlaceHolder1$edtDatKonca": `${tillDate.getDay()}.${tillDate.getMonth()}.${tillDate.getFullYear()}`,
-            };
-
-            this.postback(GSE_URL+"Page_Gim/Ucenec/IzostankiUcenec.aspx", dataToBeSent, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-
-                try {
-                    var rowElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwIzostankiGroup").getElementsByTagName("tbody")[0].getElementsByTagName("tr");
-                } catch (err) {
-                    resolve(GSEC_NO_ABSENCES);
-                }
-
-                var absences = [];
-                 for (const izostanek of rowElements) {
-                    var subFields = izostanek.getElementsByTagName("td");
-                    var date = subFields[0].innerHTML.trim().split(".");
-                    var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
-
-                    var subjects = [];
-                    subFields[2].innerHTML.match(SUBJECT_LIST_REGEX).forEach((subject) => {
-                        subjects.push(subject);
-                    });
-
-                    var absencesBySubject = {};
-
-                    for (const subject of subjects) {
-                        const matched_info = FIELDS_REGEX.exec(subject);
-
-                        var subjectName = matched_info[1];
-                        var status = Number(matched_info[2]);
-                        // statusi so: 0: ni obdelano, 1: opravičeno, 2: neopravičeno, 3: ne šteje, uporabi S(gseAbsenceTypes[num]) za i18n prevod
-                        // Ce je v "stevilki" P, gre za popoldansko uro -> +7 ur
-                        var period = matched_info[3];
-                        period = period.includes("P") ? Number(period.replace("P", "")) + 7 : Number(period);
-                        absencesBySubject[period] = {status: status, subject: subjectName};
-                    }
-                    absences.push({subjects: absencesBySubject, date: dateObj});
-                }
-                resolve(absences);
-            });
-        });
-    }
-
-    fetchGrades() {
-        var grades = [];
-        return new Promise((resolve, reject) => {
-            $.ajax({
-                xhrFields: {
-                    withCredentials: true
-                },
-                crossDomain: true,
-                url: GSE_URL + "Page_Gim/Ucenec/OceneUcenec.aspx",
-                cache: false,
-                type: "GET",
-                dataType: "html",
-                processData: false,
-
-                success: (data) => {
-
-                    let parser = new DOMParser();
-                    let parsed = parser.parseFromString(data, "text/html");
-
-                    let gradeSpans = parsed.getElementsByClassName("txtVOcObd");
-                    for (const grade of gradeSpans) {
-                        var ist = grade.getElementsByTagName("span")[0].getAttribute("title").split("\n");
-                        var date = ist[0].split(": ")[1].trim().split(".");
-                        var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
-                        var teacher = ist[1].split(": ")[1].trim();
-                        var subject = ist[2].split(": ")[1].trim();
-                        var name = [];
-
-                        name.push(ist[3].split(": ")[1].trim())
-                        name.push(ist[4].split(": ")[1].trim())
-                        name.push(ist[5].split(": ")[1].trim())
-
-                        var gradeNumber = Number(grade.getElementsByTagName("span")[0].innerHTML);
-                        var temporary = grade.getElementsByTagName("span")[0].classList.contains("ocVmesna");
-
-                        var gradeToAdd = {
-                            "date": dateObj,
-                            "teacher": teacher,
-                            "subject": subject,
-                            "name": name,
-                            "temporary": temporary,
-                            "grade": gradeNumber
-                        };
-
-                        if (grade.getElementsByTagName("span").length > 1) {
-                            if(grade.getElementsByTagName("span")[1].classList.contains("ocVmesna")) {
-                                gradeToAdd["temporary"] = true;
-                            } else {
-                                gradeToAdd["temporary"] = false;
-                            }
-                            gradeToAdd["grade"] = Number(grade.getElementsByTagName("span")[1].innerHTML);
-                            gradeToAdd["oldgrade"] = Number(grade.getElementsByTagName("span")[0].innerHTML);
-                        }
-                        grades.push(gradeToAdd);
-
-                    }
-                    resolve(grades);
-                },
-                error: () => {
-                    reject(new Error(GSEC_ERR_NET));
-                }
-            });
-        });
-    }
-
-    fetchMessageOld(selectId) { // ne dela, glej fix spodaj (fetchMessage)
-
-        const TIME_REGEX = / \(.+ (.+?)\)/;
-        const DATE_REGEX = / \(.+? /;
-        const SENDER_REGEX = /^(.+?) \(/;
-
-        var message;
-        return new Promise((resolve) => {
-            var dataToBeSent = {
-                "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
-                "__EVENTARGUMENT": "Select$" + selectId
-            };
-
-            this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
-                let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
-                let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
-                let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
-                var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
-                var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
-                var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]} ${tume}`)); // "tume"!
-                var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
-                message = {
-                    "subject": subject,
-                    "body": body,
-                    "sender": sender,
-                    "recipient": recipient,
-                    "date": dateObj,
-                    "msgId": msgId
-                };
-                resolve(message);
-            });
-        });
-    }
-
-    fetchMessagesLastPageNumber(category = GSEC_MSGTYPE_RECEIVED) {
-        var msgCategory = GSEC_MSGTYPES[category];
-        return new Promise((resolve) => {
-            var dataToBeSent = {
-                "ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
-                "__EVENTARGUMENT": "Page$Last",
-                "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
-            };
-            this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                let currentPage;
-                if (parsed.getElementsByClassName("pager").length == 0) { // pager is not shown, there is only page one.
-                    currentPage = 1;
-                } else {
-                    currentPage = Number(parsed.getElementsByClassName("pager")[0].getElementsByTagName("span")[0].innerHTML);
-                }
-                resolve(currentPage);
-            });
-        });
-    }
-
-    fetchMessagesList(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, outputResponse = false) { // outputResponse je probably za debug
-
-        const DATE_REGEX = /(\d+?).(\d+?).(\d+?) /; // I'm lazy
-
-        var msgCategory = GSEC_MSGTYPES[category];
-        var messages = [];
-        var requestURI = GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx";
-        return new Promise((resolve) => {
-            var dataToBeSent = {
-                "ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
-                "__EVENTARGUMENT": "Page$" + pageNumber,
-                "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
-            };
-            this.postback(requestURI, dataToBeSent, null, true).then((response) => {
-                if (outputResponse === true) {
-                    response.url = requestURI;
-                    resolve(response);
-                }
-
-                let parser = new DOMParser();
-                let parsed = parser.parseFromString(response.data, "text/html");
-                let messageElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwSporocila").getElementsByTagName("tbody")[0].getElementsByTagName("td");
-                for (const messageElement of messageElements) {
-                    let msgId = messageElement.getElementsByTagName("input")[0].value;
-                    var date = DATE_REGEX.exec(messageElement.getElementsByClassName("msgSubDate")[0].innerHTML);
-                    var today = new Date();
-
-                    if (date[3] == undefined || date[2].length < 1) {
-                        date[3] = today.getFullYear();
-                    }
-
-                    if (date[2] == undefined || date[2].length < 1) {
-                        date[2] = today.getMonth() + 1;
-                        date[1] = today.getDate();
-                    }
-
-                    var tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML.split(" ")[1];
+	constructor() {
+	}
+
+	parseAndPost(inputHTML, params, formId = null, useDiffAction = null) {
+		return new Promise((resolve, reject) => {
+			let parser = new DOMParser();
+			let parsed = parser.parseFromString(inputHTML, "text/html");
+
+			var form;
+			if (formId == null) {
+				form = parsed.getElementsByTagName("form")[0];
+			} else {
+				form = parsed.getElementById(formId);
+			}
+
+			var otherParams = $(form).serializeArray();
+			for (const input of otherParams) {
+				if (!(input.name in params)) {
+					params[input.name] = input.value; // so we don't overwrite existing values
+				}
+			}
+		
+			var action;
+			if (useDiffAction == null || useDiffAction == false) {
+				action = new URL($(form).attr("action"), GSE_URL); // absolute == relative + base
+			} else {
+				action = useDiffAction;
+			}
+
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: action,
+				cache: false,
+				type: "POST",
+				data: params,
+				dataType: "text",
+				success: (postData, textStatus, xhr) => {
+					resolve({data: postData, textStatus: textStatus, code: xhr.status});
+				},
+				error: () => {
+					reject(new Error(GSEC_ERR_NET_POSTBACK_POST));
+				}
+			});
+		});
+	}
+
+	postback(getUrl, params = {}, formId = null, useDiffAction = null) {
+		return new Promise( (resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: getUrl,
+				cache: false,
+				type: "GET",
+				dataType: "html",
+				success: (data) => {
+					if (useDiffAction == true) {
+						useDiffAction = getUrl;
+					}
+					this.parseAndPost(data, params, formId, useDiffAction).then((value) => {
+						resolve(value);
+					});
+				},
+				error: () => {
+					reject(new Error(GSEC_ERR_NET_POSTBACK_GET));
+				}
+			});
+		});
+	}
+
+	login(usernameToLogin, passwordToLogin) {
+		return new Promise((resolve, reject) => {
+			var dataToSend = {
+				"edtGSEUserId": usernameToLogin,
+				"edtGSEUserPassword": passwordToLogin,
+				"btnLogin": "Prijava"
+			};
+			this.postback(GSE_URL + "Logon.aspx", dataToSend, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				if (response.code === 302) {
+					resolve(true);
+				} else {
+					if (parsed.getElementById("lblMsg")) { // če obstaja lblMsg (napaka pri prijavi)
+						reject(new Error(GSEC_ERR_LOGIN));
+					} else if (!(parsed.getElementById("ctl00_lblLoginName"))) { // če ni ctl00_lblLoginName nismo na Default.aspx
+						reject(new Error(GSEC_ERR_LOGIN));
+					} else {
+						resolve(parsed.getElementById("ctl00_lblLoginName").innerHTML); // vrne ime dijaka, to je lahko uporabno
+					}
+				}
+			});
+		});
+	}
+
+	fetchSessionData() {
+		return new Promise((resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "WS_Gim/wsGimSisUtils.asmx/GetSessionData",
+				type: "POST",
+				dataType: "json",
+				cache: false,
+				contentType: "application/json",
+				data: "{}",
+				processData: false,
+				success: (data, textStatus, xhr) => {
+					var podatki = {};
+					podatki[0] = data.d.split(", ")[0];
+					podatki[1] = data.d.split(", ")[1];
+					podatki["username"] = data.d.split(", ")[1];
+					podatki[2] = data.d.split(", ")[2];
+					podatki[3] = data.d.split(", ")[3];
+					podatki["sessionCookie"] = data.d.split(", ")[3];
+					podatki[4] = data.d.split(", ")[4];
+					resolve({"data": podatki, "textStatus": textStatus, "code": xhr.status});
+				},
+				error: () => {
+					reject(new Error(false));
+				}
+			});
+		});
+	}
+
+	fetchTeachersDirectory() {
+		return new Promise((resolve, reject) => {
+			var currentDate = new Date();
+			// če je že po avgustu (september), uporabimo trenutno letnico
+			// če še ni avgust uporabimo preteklo leto/letnico
+			// skratka uporabi se prvi sklop številk v šolskem letu TOLE(XXXX/yyyy)
+			var letnica = currentDate.getFullYear();
+			if (currentDate.getMonth() < 7) {
+				letnica--;
+			}
+
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "Page_Gim/Uporabnik/modSporociloPrejemniki.aspx/NajdiOsebePrejemniki",
+				type: "POST",
+				dataType: "json",
+				contentType: "application/json",
+				cache: false,
+				data: JSON.stringify({
+					"aIdOsebeRe": "",
+					"aIdSolskoLeto": Number(letnica).toString(),
+					"aMsgType": "null",
+					"aIdType": "null",
+					"aIdUcitelj": "",
+					"aFilter": null
+				}),
+				// note about the nulls, "null"s and ""s: this is actually how zgimsisext2016 javascripts sends it.
+				processData: false,
+				success: (data) => {
+					var teachersDirectory = data.d.split(";"); // data.d je "12434=Ime Primek (učitelj);75353=Ime Drugega Priimek (učitelj)";
+					teachersDirectory.pop(); // pop, ker se string konča z ;
+					var formatted = {};
+					teachersDirectory.forEach((v) => {
+						formatted[v.split("=")[1].split(" (")[0]] = v.split("=")[0];
+					});
+					resolve(formatted);
+				},
+				error: () => {
+					reject(new Error(false));
+				}
+			});
+		});
+	}
+
+	fetchTimetable(datum = null) {
+
+		const SUBJECT_REGEX = /\((.+?)\)/;
+		const ABKURZUNG_REGEX = /^(.+?) \(/;
+
+		var dataToSend = datum == null ? {} : {
+			"ctl00$ContentPlaceHolder1$wkgDnevnik_edtGridSelectDate": `${datum.getDate()}.${Number(datum.getMonth()+1)}.${datum.getFullYear()}`
+		};
+
+		return new Promise((resolve) => {
+			var urnik = { 0: {}, 1: {}, 2: {}, 3: {}, 4: {}, 5: {}, 6:{} } ;
+			this.postback(GSE_URL+"Page_Gim/Ucenec/DnevnikUcenec.aspx", dataToSend, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				for (const urnikElement of parsed.querySelectorAll('*[id^="ctl00_ContentPlaceHolder1_wkgDnevnik_btnCell_"]')) {
+					var subFields = urnikElement.id.split("_");
+					var period = subFields[4];
+					var day = subFields[5];
+					var desc = $(urnikElement).attr("title").split("\n");
+					var subject = SUBJECT_REGEX.exec(desc[1])[1];
+					var abkurzung = ABKURZUNG_REGEX.exec(desc[1])[1];
+					var razred = desc[2];
+					var teacher = desc[3];
+					var place = desc[4];
+					urnik[day][period] = {
+						"subject": subject,
+						"acronym": abkurzung,
+						"class": razred,
+						"teacher": teacher,
+						"place": place
+					};
+				}
+				resolve(urnik);
+			});
+		});
+	}
+
+	fetchGradings() {
+
+		const DESC_REGEX = /\((.+?)\)/m;
+		const SUBJECT_REGEX = /^(.+?) \(/m;
+
+		return new Promise((resolve) => {
+			var gradings = [];
+			this.postback(GSE_URL + "Page_Gim/Ucenec/IzpitiUcenec.aspx", {}, null, true).then( (response) => {
+
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+
+				var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
+
+				for (const row of rowElements) {
+					var subFields = row.getElementsByTagName("td");
+					var date = subFields[0].innerHTML.trim().split(".");
+					var dateObj = new Date(date[2]+"-"+date[1]+"-"+date[0]);
+					var rowSpan = subFields[1].getElementsByTagName("span")[0];
+					var abkurzung = "";
+
+					if (rowSpan) {
+						abkurzung = rowSpan.innerHTML.trim();
+					}
+
+					rowSpan.remove(); // magic
+					var subject = SUBJECT_REGEX.exec(subFields[1].innerHTML)[1].trim();
+					var desc = DESC_REGEX.exec(subFields[1].innerHTML)[1];
+
+					gradings.push({
+						"date": dateObj,
+						"acronym": abkurzung,
+						"subject": subject,
+						"description": desc
+					});
+				}
+				resolve(gradings);
+			});
+		});
+	}
+
+	fetchTeachers() { // razrednika ne vrne kot razrednika, če le-ta uči še en predmet. razlog: razrednik je napisan dvakrat, drugič se prepiše. Ne da se mi popravljat.
+
+		const SUBJECT_REGEX = /^(.+?(?= \()|.+(?! \())/; // For some reason, JS doesn't support conditional regex
+		const ABKURZUNG_REGEX = /\((.+)\)/;
+		const DAY_REGEX = /^(.+?), /m;
+		const PERIOD_REGEX = /, (\d+?)\. ura/;
+		const TIME_RANGE_REGEX = /\((.+?) - (.+?)\)/;
+
+		return new Promise((resolve) => {
+			var Teachers = {};
+
+			this.postback(GSE_URL + "Page_Gim/Ucenec/UciteljskiZbor.aspx", {}, null, true).then((response) => {
+
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+
+				var rowElements = parsed.getElementsByTagName("table")[0].getElementsByTagName("tbody")[0].getElementsByTagName("tr");
+
+				for (const row of rowElements) {
+					var subFields = row.getElementsByTagName("td");
+					var name = stripHtml(subFields[0].innerHTML); // razrednik je namreč bold tekst!
+					var subjectStrings = subFields[2].innerHTML.split("<br>");
+					var subjects = {};
+
+					for (const subjectString of subjectStrings) {
+						var subjectName = SUBJECT_REGEX.exec(stripHtml(subjectString))[1];
+						var abkurzung = ABKURZUNG_REGEX.exec(stripHtml(subjectString));
+						abkurzung = abkurzung == null ? subjectName : abkurzung[1];
+						subjects[abkurzung] = subjectName;
+					}
+
+					try {
+						var TP = {};
+						TP.day = slDayToInt(DAY_REGEX.exec(subFields[3].innerHTML)[1]);
+						TP.period = Number(PERIOD_REGEX.exec(subFields[3].innerHTML)[1]);
+						var time_range_matches = TIME_RANGE_REGEX.exec(subFields[3].innerHTML);
+						TP.from = time_range_matches[1];
+						TP.till = time_range_matches[2];
+						if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
+							TP = false;
+						}
+					} catch (error) {
+						var TP = {};
+						TP.day = slDayToInt(subFields[3].innerHTML.split(", ")[0]);
+						TP.period = Number( subFields[3].innerHTML.split(", ").pop().split(". ura")[0] );
+						TP.from = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[0];
+						TP.till = subFields[3].innerHTML.split("(").pop().split(")")[0].split(" - ")[1];
+						if (TP.day < 0) { // indexOf vrne -1, če v arrayu ne najde dneva (&nbsp;)
+							TP = false;
+						}
+					}
+
+					Teachers[name] = { "subjects" : subjects , "tpMeetings" : TP };
+				}
+				resolve(Teachers);
+			});
+		});
+	}
+
+	sendMessage(recipient, subject = " ", body = " ") {
+		return new Promise((resolve) => {
+			var dataToSend = {
+				"ctl00$ModalMasterBody$edtPrejemniki": "",
+				"ctl00$ModalMasterBody$edtZadeva": subject,
+				"ctl00$ModalMasterBody$edtBesediloExt": he.encode(body, {useNamedReferences: true}),
+				"__EVENTTARGET": "ctl00$ModalMasterBody$btnDogodekShrani",
+				"__EVENTARGUMENT": "",
+				"ctl00$ModalMasterBody$hfPrejemniki": recipient
+			};
+			this.postback(GSE_URL+"Page_Gim/Uporabnik/modSporocilo.aspx?params=", dataToSend, null, true).then(() => {
+				resolve(null);
+			});
+		});
+	}
+
+	deleteMessage(id) {
+		return new Promise((resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx/DeleteMessage",
+				type: "POST",
+				dataType: "json",
+				cache: false,
+				contentType: "application/json",
+				data: JSON.stringify({
+					"aIdSporocilo": id.split("|")[0],
+					"aIdZapis": id.split("|")[1]
+				}),
+				processData: false,
+				success: (data) => {
+					if(data.d == true) {
+						resolve(true);
+					} else {
+						reject(new Error(false));
+					}
+				},
+				error: () => {
+				reject(new Error(GSEC_ERR_NET));
+				}
+			});
+		});
+	}
+
+	fetchAbsences(fromDate = null, tillDate = null) { // navedba datumov je deprecated. Internet je dovolj hiter za poslat maksimalno 4160 ur (16 ur/dan, 5 dni/ted, 52 ted/leto)
+
+		const SUBJECT_LIST_REGEX = /(.+? \(<span class="opr\d">\dP?<\/span>\))(?:,\s*|$)/g;
+		const FIELDS_REGEX = /^(.+?) \(<span class="opr(\d)">(\dP?)<\/span>\)/;
+
+		return new Promise((resolve) => {
+			if (!(fromDate instanceof Date) || !(tillDate instanceof Date)) {
+				tillDate = new Date(Date.UTC(9999, 11, 30)); // overkill? Of course not, cez 8000 let bo ta app se vedno top shit
+				fromDate = new Date(Date.UTC(1, 1, 1)); // i don't think so
+			}
+
+			var dataToBeSent = {
+				"ctl00$ContentPlaceHolder1$edtDatZacetka": `${fromDate.getDay()}.${fromDate.getMonth()}.${fromDate.getFullYear()}`,
+				"ctl00$ContentPlaceHolder1$edtDatKonca": `${tillDate.getDay()}.${tillDate.getMonth()}.${tillDate.getFullYear()}`,
+			};
+
+			this.postback(GSE_URL+"Page_Gim/Ucenec/IzostankiUcenec.aspx", dataToBeSent, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+
+				try {
+					var rowElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwIzostankiGroup").getElementsByTagName("tbody")[0].getElementsByTagName("tr");
+				} catch (err) {
+					resolve(GSEC_NO_ABSENCES);
+				}
+
+				var absences = [];
+				 for (const izostanek of rowElements) {
+					var subFields = izostanek.getElementsByTagName("td");
+					var date = subFields[0].innerHTML.trim().split(".");
+					var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
+
+					var subjects = [];
+					subFields[2].innerHTML.match(SUBJECT_LIST_REGEX).forEach((subject) => {
+						subjects.push(subject);
+					});
+
+					var absencesBySubject = {};
+
+					for (const subject of subjects) {
+						const matched_info = FIELDS_REGEX.exec(subject);
+
+						var subjectName = matched_info[1];
+						var status = Number(matched_info[2]);
+						// statusi so: 0: ni obdelano, 1: opravičeno, 2: neopravičeno, 3: ne šteje, uporabi S(gseAbsenceTypes[num]) za i18n prevod
+						// Ce je v "stevilki" P, gre za popoldansko uro -> +7 ur
+						var period = matched_info[3];
+						period = period.includes("P") ? Number(period.replace("P", "")) + 7 : Number(period);
+						absencesBySubject[period] = {status: status, subject: subjectName};
+					}
+					absences.push({subjects: absencesBySubject, date: dateObj});
+				}
+				resolve(absences);
+			});
+		});
+	}
+
+	fetchGrades() {
+		var grades = [];
+		return new Promise((resolve, reject) => {
+			$.ajax({
+				xhrFields: {
+					withCredentials: true
+				},
+				crossDomain: true,
+				url: GSE_URL + "Page_Gim/Ucenec/OceneUcenec.aspx",
+				cache: false,
+				type: "GET",
+				dataType: "html",
+				processData: false,
+
+				success: (data) => {
+
+					let parser = new DOMParser();
+					let parsed = parser.parseFromString(data, "text/html");
+
+					let gradeSpans = parsed.getElementsByClassName("txtVOcObd");
+					for (const grade of gradeSpans) {
+						var ist = grade.getElementsByTagName("span")[0].getAttribute("title").split("\n");
+						var date = ist[0].split(": ")[1].trim().split(".");
+						var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]}`));
+						var teacher = ist[1].split(": ")[1].trim();
+						var subject = ist[2].split(": ")[1].trim();
+						var name = [];
+
+						name.push(ist[3].split(": ")[1].trim())
+						name.push(ist[4].split(": ")[1].trim())
+						name.push(ist[5].split(": ")[1].trim())
+
+						var gradeNumber = Number(grade.getElementsByTagName("span")[0].innerHTML);
+						var temporary = grade.getElementsByTagName("span")[0].classList.contains("ocVmesna");
+
+						var gradeToAdd = {
+							"date": dateObj,
+							"teacher": teacher,
+							"subject": subject,
+							"name": name,
+							"temporary": temporary,
+							"grade": gradeNumber
+						};
+
+						if (grade.getElementsByTagName("span").length > 1) {
+							if(grade.getElementsByTagName("span")[1].classList.contains("ocVmesna")) {
+								gradeToAdd["temporary"] = true;
+							} else {
+								gradeToAdd["temporary"] = false;
+							}
+							gradeToAdd["grade"] = Number(grade.getElementsByTagName("span")[1].innerHTML);
+							gradeToAdd["oldgrade"] = Number(grade.getElementsByTagName("span")[0].innerHTML);
+						}
+						grades.push(gradeToAdd);
+
+					}
+					resolve(grades);
+				},
+				error: () => {
+					reject(new Error(GSEC_ERR_NET));
+				}
+			});
+		});
+	}
+
+	fetchMessageOld(selectId) { // ne dela, glej fix spodaj (fetchMessage)
+
+		const TIME_REGEX = / \(.+ (.+?)\)/;
+		const DATE_REGEX = / \(.+? /;
+		const SENDER_REGEX = /^(.+?) \(/;
+
+		var message;
+		return new Promise((resolve) => {
+			var dataToBeSent = {
+				"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
+				"__EVENTARGUMENT": "Select$" + selectId
+			};
+
+			this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
+				let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
+				let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
+				let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
+				var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
+				var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
+				var dateObj = new Date(Date.parse(`${date[2]}-${date[1]}-${date[0]} ${tume}`)); // "tume"!
+				var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
+				message = {
+					"subject": subject,
+					"body": body,
+					"sender": sender,
+					"recipient": recipient,
+					"date": dateObj,
+					"msgId": msgId
+				};
+				resolve(message);
+			});
+		});
+	}
+
+	fetchMessagesLastPageNumber(category = GSEC_MSGTYPE_RECEIVED) {
+		var msgCategory = GSEC_MSGTYPES[category];
+		return new Promise((resolve) => {
+			var dataToBeSent = {
+				"ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
+				"__EVENTARGUMENT": "Page$Last",
+				"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
+			};
+			this.postback(GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx", dataToBeSent, null, true).then((response) => {
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				let currentPage;
+				if (parsed.getElementsByClassName("pager").length == 0) { // pager is not shown, there is only page one.
+					currentPage = 1;
+				} else {
+					currentPage = Number(parsed.getElementsByClassName("pager")[0].getElementsByTagName("span")[0].innerHTML);
+				}
+				resolve(currentPage);
+			});
+		});
+	}
+
+	fetchMessagesList(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, outputResponse = false) { // outputResponse je probably za debug
+
+		const DATE_REGEX = /(\d+?).(\d+?).(\d+?) /; // I'm lazy
+
+		var msgCategory = GSEC_MSGTYPES[category];
+		var messages = [];
+		var requestURI = GSE_URL + "Page_Gim/Uporabnik/Sporocila.aspx";
+		return new Promise((resolve) => {
+			var dataToBeSent = {
+				"ctl00$ContentPlaceHolder1$ddlPrikaz": msgCategory,
+				"__EVENTARGUMENT": "Page$" + pageNumber,
+				"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila"
+			};
+			this.postback(requestURI, dataToBeSent, null, true).then((response) => {
+				if (outputResponse === true) {
+					response.url = requestURI;
+					resolve(response);
+				}
+
+				let parser = new DOMParser();
+				let parsed = parser.parseFromString(response.data, "text/html");
+				let messageElements = parsed.getElementById("ctl00_ContentPlaceHolder1_gvwSporocila").getElementsByTagName("tbody")[0].getElementsByTagName("td");
+				for (const messageElement of messageElements) {
+					let msgId = messageElement.getElementsByTagName("input")[0].value;
+					var date = DATE_REGEX.exec(messageElement.getElementsByClassName("msgSubDate")[0].innerHTML);
+					var today = new Date();
+
+					if (date[3] == undefined || date[2].length < 1) {
+						date[3] = today.getFullYear();
+					}
+
+					if (date[2] == undefined || date[2].length < 1) {
+						date[2] = today.getMonth() + 1;
+						date[1] = today.getDate();
+					}
+
+					var tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML.split(" ")[1];
 										if(tume == null || tume.length < 1) {
-	                    tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML;
+						tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML;
 										}
-                    var dateStringToParse = `${date[2]}-${date[1]}-${date[0]} ${tume}`;
-                    var dateObj = new Date(Date.parse(dateStringToParse)); // "tume"!
-                    var person = messageElement.getElementsByClassName("msgDir")[0].innerHTML;
-                    var subject = messageElement.getElementsByClassName("msgSubject")[0].innerHTML;
-                    messages.push({
-                        "date": dateObj,
-                        "sender": person,
-                        "subject": subject,
-                        "msgId": msgId
-                    });
-                }
-                resolve(messages);
-            });
-        });
-    }
-
-    fetchMessage(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, messageNumberOnPage = 0) {
-
-        const TIME_REGEX = / \(.+ (.+?)\)/;
-        const DATE_REGEX = / \((\d+?).(\d+?).(\d+?) /;
-        const SENDER_REGEX = /^(.+?) \(/;
-            
-        return new Promise((resolve) => {
-            this.fetchMessagesList(category, pageNumber, true).then( (value) => {
-                this.parseAndPost(
-                    value.data,
-                    {
-                        "__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
-                        "__EVENTARGUMENT": "Select$" + messageNumberOnPage
-                    },
-                    null,
-                    value.url
-                ).then((response) => {
-
-                    let parser = new DOMParser();
-                    let parsed = parser.parseFromString(response.data, "text/html");
-                    let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
-                    let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
-                    let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
-                    let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
-                    var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML);
-                    var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
-                    var dateObj = new Date(Date.parse(`${date[3]}-${date[2]}-${date[1]} ${tume}`)); // "tume"!
-                    var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
-                    var message = {
-                        "subject": subject,
-                        "body": body,
-                        "sender": sender,
-                        "recipient": recipient,
-                        "date": dateObj,
-                        "msgId": msgId
-                    };
-                    resolve(message);
-
-                });
-            });
-        });
-    }
+					var dateStringToParse = `${date[2]}-${date[1]}-${date[0]} ${tume}`;
+					var dateObj = new Date(Date.parse(dateStringToParse)); // "tume"!
+					var person = messageElement.getElementsByClassName("msgDir")[0].innerHTML;
+					var subject = messageElement.getElementsByClassName("msgSubject")[0].innerHTML;
+					messages.push({
+						"date": dateObj,
+						"sender": person,
+						"subject": subject,
+						"msgId": msgId
+					});
+				}
+				resolve(messages);
+			});
+		});
+	}
+
+	fetchMessage(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, messageNumberOnPage = 0) {
+
+		const TIME_REGEX = / \(.+ (.+?)\)/;
+		const DATE_REGEX = / \((\d+?).(\d+?).(\d+?) /;
+		const SENDER_REGEX = /^(.+?) \(/;
+			
+		return new Promise((resolve) => {
+			this.fetchMessagesList(category, pageNumber, true).then( (value) => {
+				this.parseAndPost(
+					value.data,
+					{
+						"__EVENTTARGET": "ctl00$ContentPlaceHolder1$gvwSporocila",
+						"__EVENTARGUMENT": "Select$" + messageNumberOnPage
+					},
+					null,
+					value.url
+				).then((response) => {
+
+					let parser = new DOMParser();
+					let parsed = parser.parseFromString(response.data, "text/html");
+					let subject = parsed.getElementsByClassName("msgSubjectS")[0].innerHTML.trim();
+					let body = parsed.getElementsByClassName("gCursorAuto")[0].innerHTML.trim();
+					let sender = SENDER_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1];
+					let recipient = parsed.querySelectorAll("[id$=Label8]")[0].innerHTML;
+					var date = DATE_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML);
+					var tume = TIME_REGEX.exec(parsed.querySelectorAll("[id$=Label7]")[0].innerHTML)[1]; // "tume"!
+					var dateObj = new Date(Date.parse(`${date[3]}-${date[2]}-${date[1]} ${tume}`)); // "tume"!
+					var msgId = parsed.getElementById("ctl00_ContentPlaceHolder1_hfIdSporocilo").getAttribute("value");
+					var message = {
+						"subject": subject,
+						"body": body,
+						"sender": sender,
+						"recipient": recipient,
+						"date": dateObj,
+						"msgId": msgId
+					};
+					resolve(message);
+
+				});
+			});
+		});
+	}
 }
diff --git a/dist/pages/about.html b/dist/pages/about.html
index 6096510..24bdb01 100755
--- a/dist/pages/about.html
+++ b/dist/pages/about.html
@@ -142,7 +142,7 @@
 				<div class="row">
 					<p>
 						<small>
-							^HEAD 1360b7c961cd23fa8007bc7ebed0bc924150a437
+							^HEAD 22bc85704a637175361d7447634f605d6a9102a1
                         </small>
 					</p>
 				</div>
diff --git a/dist/sw.js b/dist/sw.js
index 23bf614..8501ee1 100755
--- a/dist/sw.js
+++ b/dist/sw.js
@@ -3,8 +3,8 @@
 
 
 // Change version to cause cache refresh
-const static_cache_name = "site-static-1.0.13-beta-1360b7c";
-// commit before the latest is 1360b7c961cd23fa8007bc7ebed0bc924150a437
+const static_cache_name = "site-static-1.0.13-beta-22bc857";
+// commit before the latest is 22bc85704a637175361d7447634f605d6a9102a1
 // Got them with find . -not -path '*/\.*' | sed "s/.*/\"&\",/" | grep -v sw.js
 // sw.js NE SME BITI CACHAN, ker vsebuje verzijo!