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Diffstat (limited to 'assets/js/gradings.js')
| -rw-r--r-- | assets/js/gradings.js | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/assets/js/gradings.js b/assets/js/gradings.js new file mode 100644 index 0000000..b5bf7b5 --- /dev/null +++ b/assets/js/gradings.js @@ -0,0 +1,190 @@ +// const API_ENDPOINT = "https://gimb.tk/test.php"; // deprecated +var calendar_obj = null; +var gradings; +async function checkLogin() { + localforage.getItem("logged_in").then((value) => { + // This code runs once the value has been loaded + // from the offline store. + if (value !== true) { + window.location.replace("/index.html"); + } + }).catch((err) => { + // This code runs if there were any errors + console.log(err); + }); +} + +// Set loading bar visibility +function setLoading(state) { + if (state) { + $("#loading-bar").removeClass("hidden"); + } else { + $("#loading-bar").addClass("hidden"); + } +} + +// GET COLOR FROM STRING +function hashCode(str) { // java String#hashCode + var hash = 0; + for (var i = 0; i < str.length; i++) { + hash = str.charCodeAt(i) + ((hash << 5) - hash); + } + return hash; +} + +function intToRGB(i) { + var c = (i & 0x00FFFFFF) + .toString(16) + .toUpperCase(); + + return "00000".substring(0, 6 - c.length) + c; +} + +// http://www.w3.org/TR/AERT#color-contrast +function getForegroundFromBackground(background_color) { + let color_hex = background_color.replace("#", ""); + let rgb = [ + parseInt(color_hex.substring(0, 2), 16), + parseInt(color_hex.substring(2, 4), 16), + parseInt(color_hex.substring(4, 6), 16) + ]; + let o = Math.round(((parseInt(rgb[0]) * 299) + (parseInt(rgb[1]) * 587) + (parseInt(rgb[2]) * 114)) / 1000); + if (o > 180) { + return "#000000"; + } else { + return "#ffffff"; + } +} + +function getHexColorFromString(str) { + return "#" + intToRGB(hashCode(str)); +} +// -------------------------------------------------- + +function getDateString() { + let date = new Date(); + + let year_str = date.getFullYear(); + let month_str = date.getMonth() + 1 + month_str = month_str.toString().padStart(2, "0"); + let day_str = date.getDate(); + day_str = day_str.toString().padStart(2, "0"); + + let date_string = year_str + "-" + month_str + "-" + day_str; + return date_string; +} + +async function loadGradings(force_refresh = false) { + setLoading(true); + let promises_to_run = [ + localforage.getItem("username").then((value) => { + username = value; + }), + localforage.getItem("password").then((value) => { + password = value; + }), + localforage.getItem("gradings").then((value) => { + gradings = value; + }) + ]; + await Promise.all(promises_to_run); + if (gradings == null || gradings == [] || gradings == -1 || force_refresh) { + try { + let gsecInstance = new gsec(); + await gsecInstance.login(username, password); + gsecInstance.fetchGradings().then( (value) => { + gradings = value; + localforage.setItem("gradings", value).then(() => { + displayData(); + setLoading(false); + }); + setLoading(false); + }).catch( (err) => { + gsecErrorHandlerUI(err); + setLoading(false); + }); + } catch (err) { + gsecErrorHandlerUI(err); + setLoading(false); + } + } else { + displayData(); + setLoading(false); + } +} + +function displayData() { + let transformed_gradings = []; + gradings.forEach((element, index) => { + let bg_color = getHexColorFromString(element["acronym"]); + let fg_color = getForegroundFromBackground(bg_color); + let grading_object = { + start: element["date"].toISOString().substring(0, 10), // če se da direktno date object, se doda še 1a zraven (prefixa tajtlu) (verjetno 1am ura) + title: element["acronym"], + id: index.toString(), + backgroundColor: bg_color, + textColor: fg_color + }; + transformed_gradings.push(grading_object); + }); + calendar_obj.removeAllEvents(); + calendar_obj.addEventSource(transformed_gradings); +} + +function gradingClickHandler(eventClickInfo) { + let grading_id = parseInt(eventClickInfo.event.id); + let grading_subject = gradings[grading_id]["subject"]; + let grading_date_obj = gradings[grading_id]["date"]; + let grading_date = dateString.longFormatted(grading_date_obj); + let grading_description = gradings[grading_id]["description"]; + $("#grading-subject").text(grading_subject); + $("#grading-date").text(grading_date); + $("#grading-description").text(grading_description); + const modal = document.querySelectorAll(".side-modal")[0]; + M.Sidenav.getInstance(modal).open(); +} +/* + function setupPickers() { + // Setup pickers, todo (adding an event), to be stored in messages + var date_object = new Date(); + let elems = document.querySelectorAll('#datepicker-add'); + let options = { + autoClose: true, + format: "dd.mm.yyyy", + defaultDate: date_object, + setDefaultDate: true, + firstDay: 1 + } + let instances = M.Datepicker.init(elems, options); + instances = M.Datepicker.init(elems, options); + } +*/ + +document.addEventListener("DOMContentLoaded", () => { + checkLogin(); + // Calendar setup + var calendarEl = document.getElementById("calendar"); + calendar_obj = new FullCalendar.Calendar(calendarEl, { + firstDay: 1, + plugins: ["dayGrid"], + defaultDate: getDateString(), + navLinks: false, + editable: false, + events: [], + eventClick: gradingClickHandler, + height: "parent" + }); + calendar_obj.render(); + // setupPickers(); // todo (adding an event), to be stored in messages + loadGradings(true); + // Setup refresh handler + $("#refresh-icon").click(() => { + loadGradings(true); + }); + // Setup side menu + const menus = document.querySelectorAll(".side-menu"); + M.Sidenav.init(menus, { edge: "right", draggable: true }); + // Setup side modal + const modals = document.querySelectorAll('.side-modal'); + M.Sidenav.init(modals, { edge: 'left', draggable: false }); +}); |