diff options
Diffstat (limited to 'js/grades.js')
| -rw-r--r-- | js/grades.js | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/js/grades.js b/js/grades.js new file mode 100644 index 0000000..1768fb0 --- /dev/null +++ b/js/grades.js @@ -0,0 +1,265 @@ +const API_ENDPOINT = "https://gimb.tk/test.php"; +// const API_ENDPOINT = "http://localhost:5000/test.php"; + +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"); + } +} + +async function loadGrades(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("grades").then((value) => { + grades = value; + }) + ]; + + await Promise.all(promises_to_run); + + // If we don't have a list of grades, fetch it + if (grades === null || grades === [] || force_refresh) { + + $.ajax({ + url: API_ENDPOINT, + crossDomain: true, + + data: { + "u": username, + "p": password, + "m": "fetchocene" + }, + dataType: "json", + + cache: false, + type: "GET", + + success: (data) => { + // If data is null, the request failed + if (data === null) { + M.toast({ html: "Request failed!" }); + setLoading(false); + } else { + // Save grades & populate view + localforage.setItem("grades", data).then((value) => { + grades = value; + displayGrades(); + setLoading(false); + }); + } + }, + + error: () => { + M.toast({ html: "No internet connection!" }); + setLoading(false); + } + + }); + + } else { + displayGrades(); + setLoading(false); + } +} + +function displayGrades() { + let grades_by_subject = {}; + grades.forEach((grade, index) => { + if (!(grade["predmet"] in grades_by_subject)) { + grades_by_subject[grade["predmet"]] = []; + } + let grade_object = { + date: grade["datum"], + teacher: grade["profesor"], + subject: grade["predmet"], + title: grade["naslov"], + type: grade["vrsta"], + term: grade["rok"], + grade: grade["ocena"], + temporary: grade["zacasna"], + index: index + } + grades_by_subject[grade["predmet"]].push(grade_object); + }); + + let root_element = document.getElementById("grades-collapsible"); + + Object.keys(grades_by_subject).forEach((subject) => { + // Create root element for a subject entry + let subject_entry = document.createElement("li"); + // Create subject collapsible header + let subject_header = document.createElement("div"); + subject_header.classList.add("collapsible-header"); + subject_header.classList.add("collapsible-header-root"); + // Create header text element + let subject_header_text = document.createElement("span"); + subject_header_text.innerText = subject; + + // Create collection for displaying individuals grades + let subject_body = document.createElement("div"); + subject_body.className = "collapsible-body"; + let subject_body_root = document.createElement("ul"); + subject_body_root.className = "collection"; + + // Setup variables for calculating average + let grade_sum = 0; + let grade_tot = 0; + + grades_by_subject[subject].forEach((grade) => { + // Create element for individual grade + let grade_node = document.createElement("li"); + grade_node.className = "collection-item"; + grade_node.classList.add("collection-item") + grade_node.classList.add("grade-node"); + grade_node.dataset["index"] = grade["index"]; + let grade_node_div = document.createElement("div"); + + // Node for date and subject text + let grade_text = document.createElement("span"); + // Node for the actual number + let grade_number = document.createElement("div"); + grade_number.className = "secondary-content"; + + // Apply different style, if the grade is temporary + if (grade["temporary"]) { + // Styling for text + let grade_text_italic = document.createElement("i"); + grade_text_italic.innerText = grade["date"] + " - " + grade["title"]; + grade_text.appendChild(grade_text_italic); + + // Styling for number + let grade_number_italic = document.createElement("i"); + grade_number_italic.innerText = grade["grade"].toString(); + grade_number.appendChild(grade_number_italic); + } else { + // Text + grade_text.innerText = grade["date"] + " - " + grade["title"]; + // Number + grade_number.innerText = grade["grade"].toString(); + } + + grade_node_div.appendChild(grade_text); + grade_node_div.appendChild(grade_number); + + grade_node.appendChild(grade_node_div); + + + // Count the grade only if it's not temprary + if (!grade["temporary"]) { + grade_sum += grade["grade"]; + grade_tot += 1; + } + + subject_body_root.appendChild(grade_node); + + }); + + let grade_average = (grade_tot === 0) ? "N/A" : (Math.round(((grade_sum / grade_tot) + Number.EPSILON) * 100) / 100); + let subject_header_average = document.createElement("div"); + subject_header_average.className = "collapsible-header-right"; + subject_header_average.innerText = grade_average.toString(); + + subject_header.appendChild(subject_header_text); + subject_header.appendChild(subject_header_average); + + subject_body.append(subject_body_root); + + subject_entry.append(subject_header); + subject_entry.append(subject_body); + + root_element.append(subject_entry); + }); + + $("#grades-collapsible").append(root_element); + + refreshClickHandlers(); +} + +function clearGrades() { + const table = document.getElementById("grades-collapsible"); + while (table.firstChild) { + table.removeChild(table.firstChild); + } +} + +function refreshGrades() { + clearGrades(); + loadGrades(true); +} + +function refreshClickHandlers() { + $("#grades-collapsible").find(".collection-item.grade-node").click(function () { + let grade_obj = grades[parseInt(this.dataset["index"])]; + document.getElementById("grade-header").innerText = grade_obj["predmet"] + ": " + grade_obj["ocena"]; + document.getElementById("grade-date").innerText = grade_obj["datum"]; + document.getElementById("grade-title").innerText = grade_obj["naslov"]; + document.getElementById("grade-type").innerText = "Type: " + grade_obj["vrsta"]; + + let term_element = document.getElementById("grade-term"); + if (grade_obj["rok"] !== "") { + term_element.innerText = "Term: " + grade_obj["rok"]; + term_element.style["display"] = ""; + } else { + term_element.style["display"] = "none"; + } + + document.getElementById("grade-teacher").innerText = "Teacher: " + grade_obj["profesor"]; + + let temporary_object = document.getElementById("grade-temporary"); + let temporary_object_root = document.getElementById("grade-temporary-root"); + if (grade_obj["zacasna"]) { + temporary_object.innerText = "(zacasna)"; + temporary_object_root.style["display"] = ""; + } else { + temporary_object_root.style["display"] = "none"; + } + + const modal = document.querySelectorAll('.side-modal')[0]; + M.Sidenav.getInstance(modal).open(); + }); +} + +// Initialization code +document.addEventListener("DOMContentLoaded", async () => { + checkLogin(); + await loadGrades(); + + let coll_elem = document.querySelectorAll('.collapsible'); + let coll_instance = M.Collapsible.init(coll_elem, {}); + + // Setup refresh handler + $("#refresh-icon").click(function () { + refreshGrades(); + }); + + // 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 }); +});
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