1 files changed, 150 insertions, 0 deletions
diff --git a/assets/js/teachers.js b/assets/js/teachers.js
new file mode 100644
index 0000000..da83c06
--- /dev/null
+++ b/assets/js/teachers.js
@@ -0,0 +1,150 @@
+// const API_ENDPOINT = "https://gimb.tk/test.php"; // deprecated
+// const API_ENDPOINT = "http://localhost:5000/test.php";
+
+var teachers = null;
+
+// Set loading bar visibility
+function setLoading(state) {
+    if (state) {
+        $("#loading-bar").removeClass("hidden");
+    } else {
+        $("#loading-bar").addClass("hidden");
+    }
+}
+
+// Function, responsible for fetching and displaying data
+async function loadTeachers(force_refresh = false) {
+    setLoading(true);
+    // Load required data
+    let promises_to_run = [
+        localforage.getItem("username").then((value) => {
+            username = value;
+        }),
+        localforage.getItem("password").then((value) => {
+            password = value;
+        }),
+        localforage.getItem("teachers").then((value) => {
+            teachers = value;
+        })
+    ];
+    await Promise.all(promises_to_run);
+    // If we don't have a list of teachers, query it
+    if (teachers == null || teachers == [] || force_refresh) {
+        try {
+            let gsecInstance = new gsec();
+            await gsecInstance.login(username, password);
+            gsecInstance.fetchTeachers().then( (value) => {
+                teachers = value;
+                localforage.setItem("teachers", value).then((saved_teachers) => {
+                    displayData(saved_teachers);
+                    setLoading(false);
+                });
+                setLoading(false);
+            }).catch( (err) => {
+                gsecErrorHandlerUI(err);
+                setLoading(false);
+            });
+        } catch (err) {
+            gsecErrorHandlerUI(err);
+            setLoading(false);
+        }
+    } else {
+        displayData(teachers);
+        setLoading(false);
+    }
+}
+
+// Function for displaying data
+function displayData(teachers) {
+    for(const teacher of Object.keys(teachers)) {
+        // Create row
+        let row = document.createElement("tr");
+        // Create cell 1
+        let cell_name = document.createElement("td");
+        let cell_name_text = document.createTextNode(teacher);
+        // Create cell 2
+        let cell_subject = document.createElement("td");
+        // Array ([0]) is useless, since every teacher is duplicated (for each subject) // <-- ne velja za gsec.js, velja pa za gimsisextclient, PHP varianta
+        var subjectsString = "";
+        for(const subject of Object.keys(teachers[teacher]["subjects"])) {
+            subjectsString += subject;
+            subjectsString += ", ";
+        }
+        let cell_subject_text = document.createTextNode(subjectsString.slice(0, -2)); // slajsnemo zadnji ", "
+        cell_name.appendChild(cell_name_text);
+        row.appendChild(cell_name);
+        cell_subject.appendChild(cell_subject_text);
+        row.appendChild(cell_subject);
+        $("#teachers-body").append(row);
+    };
+    // Refresh handlers
+    refreshTableClickHandlers();
+}
+
+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);
+    });
+}
+
+function clearTable() {
+    const table = document.getElementById("teachers-body");
+    while (table.firstChild) {
+        table.removeChild(table.firstChild);
+    }
+}
+
+function refreshTableClickHandlers() {
+    // Arrow function doesn't work apparently?
+    $('#teachers-body').find("tr").click(function () {
+        teacherInfo($(this).index());
+    });
+}
+
+function teacherInfo(teacher_id) {
+    let name = Object.keys(teachers)[teacher_id];
+    let teacher_object = teachers[name];
+    var subjectsString = "";
+    for(const subject of Object.keys(teacher_object["subjects"])) {
+        subjectsString += subject;
+        subjectsString += ", ";
+    }
+    let subject = subjectsString.slice(0, -2);
+    let office_day = dateString.day(teacher_object["tpMeetings"]["day"]);
+    let office_lesson = teacher_object["tpMeetings"]["period"];
+    $("#teacher-name").text(name);
+    $("#teacher-subject").text(`${S("schoolSubject")}: ${subject}`);
+    $("#teacher-office").text(`${office_day}, ${S("lesson")} ${office_lesson}`);
+
+    const modal = document.querySelectorAll(".side-modal")[0];
+    M.Sidenav.getInstance(modal).open();
+}
+
+document.addEventListener("DOMContentLoaded", () => {
+    checkLogin();
+    loadTeachers();
+
+    // Setup refresh handler
+    $("#refresh-icon").click(() => {
+        clearTable();
+        loadTeachers(true);
+    });
+
+    // Set row onClick functions
+    refreshTableClickHandlers();
+
+    // 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 });
+});