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authorsijanec <sijanecantonluka@gmail.com>2020-05-17 00:13:40 +0200
committersijanec <sijanecantonluka@gmail.com>2020-05-17 00:13:40 +0200
commitfc66b376cb3a2c73843cc882d500cfd743c0790e (patch)
treec94ab426742180e88100629102fa7c21eb820a58 /assets/js/chats.js
parentHandlers moved from HTML to JS (diff)
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Diffstat (limited to 'assets/js/chats.js')
-rw-r--r--assets/js/chats.js504
1 files changed, 504 insertions, 0 deletions
diff --git a/assets/js/chats.js b/assets/js/chats.js
new file mode 100644
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--- /dev/null
+++ b/assets/js/chats.js
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+// const API_ENDPOINT = "https://gimb.tk/test.php";
+const DIRECTORY_URL = "/directory.json";
+const CHATS_BEGIN_TAG = "<!-- ba-ctlmsg-chat-begin -->";
+const CHATS_END_TAG = "<!-- ba-ctlmsg-chat-end -->";
+const CHAT_REGEX = /<!-- ba-ctlmsg-chat-begin -->([\S\s]+)<!-- ba-ctlmsg-chat-end -->/g;
+const CHATS_SUBJECT_PREFIX = "ba-ctlmsg-chat-";
+
+// "Global" object for name directory
+let directory = null;
+let currentlyChattingWith = null; // msgid
+let sogovornik = null; // name
+let firstPageOfMessages = null; // so we can test if new messages ever arrive
+
+/**
+ * Redirects user to login page if it's not logged int
+ */
+async function checkLogin() {
+ localforage.getItem("logged_in").then(function (value) {
+ // This code runs once the value has been loaded
+ // from the offline store.
+ if (value !== true) {
+ window.location.replace("/index.html");
+ }
+ }).catch(function (err) {
+ // This code runs if there were any errors
+ console.log(err);
+ });
+}
+
+/**
+ * Find the matching key for a provided value in an object
+ * @param {object} object Object to search
+ * @param {object} value Value to find the matching key for
+ * @returns {object} Key
+ */
+function getKeyByValue(object, value) {
+ return Object.keys(object).find(key => object[key] === value);
+}
+
+// -----------HTML HELPERS-----------
+/**
+ * Encode HTML entities
+ * @param {string} value Value to encode
+ * @returns {string} Encoded value
+ */
+function htmlEncode(value) {
+ /**
+ Create a in-memory element, set its inner text
+ (which is automatically encoded)
+ Then grab the encoded contents back out.
+ The element never exists on the DOM.
+ **/
+ return $("<textarea/>").text(value).html();
+}
+
+/**
+ * Decode HTML entities
+ * @param {string} value Value to decode
+ * @returns {string} Decoded value
+ */
+function htmlDecode(value) {
+ return $("<textarea/>").html(value).text();
+}
+// ---------------------------------
+
+// Try to fetch name:id directory
+/**
+ * Fetch name:id directory and populate it in the app
+ */
+function loadDirectory() {
+ $.ajax({
+ url: DIRECTORY_URL,
+ crossDomain: true,
+
+ dataType: "json",
+ cache: false,
+ type: "GET",
+
+ success: (data) => {
+ // If we were able to retrieve it, update the saved directory
+ localforage.setItem("directory", data);
+ directory = data;
+ // Populate autocomplete
+ populateAutocomplete();
+ },
+
+ error: () => {
+ // Otherwise, try to retrieve stored directory
+ localforage.getItem("directory").then((storedDirectory) => {
+ if (storedDirectory === null) {
+ // If unable, set directory to null
+ // (so other functions know that we don't have it)
+ UIAlert(
+ D("nameDirectoryNotSet"),
+ "loadDirectory(): stored_directory === null"
+ );
+ directory = null;
+ // Disable send button
+ $("#msg-send").prop("disabled", true);
+ } else {
+ directory = storedDirectory;
+ // Populate autocomplete
+ populateAutocomplete();
+ }
+ });
+ }
+ });
+}
+
+/**
+ * Populate autocomplete DOM object with the values
+ * fetched from the server
+ */
+function populateAutocomplete() {
+ let elems = document.querySelectorAll('.autocomplete-fullname');
+ /**
+ če se uporablja globalna var directory, ki je shranjena
+ kot objekt (vedno shranjen kot reference), bo pri let x=y
+ x le pointer na object y in se bo spremenil z spremembo
+ "originala". spodnja stvar itak ni preveč efficent, loop čez
+ vseh 7000 ljudi bi lahko delal težave...
+ kakšen Object.keys bi bila boljša varianta ampak raje napišem
+ tale komentar... idk, to se mi je zdelo uporabno ampak sedaj obžalujem
+ samo guglal sem "copying an object js"
+ **/
+
+ let autocompleteEntries = Object.assign({}, directory);
+ for (const [key] of Object.entries(autocompleteEntries)) {
+ autocompleteEntries[key] = null;
+ }
+
+ M.Autocomplete.init(elems, {
+ data: autocompleteEntries,
+ onAutocomplete: validateName,
+ minLength: 0
+ });
+
+ if (window.location.hash.length > 1) {
+ $("#full-name").val(decodeURIComponent(window.location.hash.substring(1)));
+ } else {
+ $("#full-name").val(getUrlParameter("m"));
+ }
+
+ M.updateTextFields();
+ validateName();
+}
+
+/**
+ * Toggle loading bar state
+ * @param {boolean} state Desired state
+ */
+function setLoading(state) {
+ if (state) {
+ $("#loading-bar").removeClass("hidden");
+ } else {
+ $("#loading-bar").addClass("hidden");
+ }
+}
+
+/**
+ * Send a message to the recipient
+ * @param {number} recipientNumber Recipient's id
+ * @param {string} body Message body
+ */
+async function sendMessage(recipientNumber = null, body = null) {
+ // == catches null & undefined
+ if (recipientNumber == null) {
+ recipientNumber = directory[sogovornik];
+ }
+
+ if (body == null) {
+ body = $("#msg-body").val();
+ }
+
+ if (body.length > 180) {
+ throw new RangeError(
+ "sendMessage(): message is longer than 180 characters."
+ );
+ }
+
+ let promisesToRun = [
+ localforage.getItem("username").then((value) => {
+ username = value;
+ }),
+ localforage.getItem("password").then((value) => {
+ password = value;
+ }),
+ ];
+ setLoading(true);
+ Promise.all(promisesToRun).then(() => {
+ try {
+ let gsecInstance = new gsec();
+ gsecInstance.login(username, password).then( () => {
+ gsecInstance.sendMessage(
+ recipientNumber,
+ CHATS_SUBJECT_PREFIX + body,
+ S("chatExternalInfo") + CHATS_BEGIN_TAG + body + CHATS_END_TAG
+ ).then(() => {
+
+ addMessage(0, body);
+ setLoading(false);
+
+ }).catch((err) => {
+ gsecErrorHandlerUI(err);
+ setLoading(false);
+ });
+ });
+ } catch (err) {
+ gsecErrorHandlerUI(err);
+ setLoading(false);
+ }
+ });
+}
+
+// datePlacement:
+/**
+ * Add message to the UI
+ * @param {boolean} isSender Indicates if current user is sender of the message
+ * @param {string} body Message body
+ * @param {number} [datePlacement=0] 0=append bubble to end, 1=append bubble to start.
+ * @param {Date} [messageDate=null] Timestamp of the message
+ */
+function addMessage(isSender, body, datePlacement=0, messageDate=null) {
+ var whos = isSender == 0 ? "mine": "yours";
+
+ var timestamp = Date.now();
+ if (messageDate instanceof Date) {
+ timestamp = messageDate.getTime();
+ }
+
+ if (typeof messageDate == "number") {
+ timestamp = messageDate;
+ }
+
+ var chatarea = document.getElementsByClassName("chat")[0];
+ var alreadyMessages = chatarea.querySelectorAll(".message");
+ var textnode = document.createTextNode(body);
+
+ var bubblenode = document.createElement("div");
+ bubblenode.setAttribute("data-date", timestamp);
+ bubblenode.appendChild(textnode);
+
+ var istaOseba;
+ var messagesnest;
+ if (chatarea.childElementCount == 0) {
+ bubblenode.className = "message last";
+ messagesnest = document.createElement("div");
+ istaOseba = false;
+ } else {
+
+ if (datePlacement == 0 || timestamp > Number(alreadyMessages[alreadyMessages.length - 1].getAttribute("data-date"))) {
+
+ datePlacement = 0;
+ console.log(alreadyMessages[0].getAttribute("data-date"));
+ bubblenode.className = "message last";
+ if (chatarea.children.item(chatarea.children.length - 1).classList.contains(whos)) { // ista oseba
+ istaOseba = true;
+ messagesnest = chatarea.children.item(chatarea.children.length - 1);
+ messagesnest.children.item(messagesnest.children.length - 1).classList.remove("last");
+ } else {
+ istaOseba = false;
+ messagesnest = document.createElement("div");
+ }
+
+ } else if (datePlacement == 1 || timestamp < Number(alreadyMessages[0].getAttribute("data-date"))) {
+
+ datePlacement = 1;
+ console.log(alreadyMessages[0].getAttribute("data-date"));
+ if(chatarea.children.item(0).classList.contains(whos)) { // ista oseba
+ bubblenode.className = "message";
+ istaOseba = true;
+ messagesnest = chatarea.children.item(0);
+ } else {
+ bubblenode.className = "message last";
+ istaOseba = false;
+ messagesnest = document.createElement("div");
+ }
+
+ } else { // auto place (slower, so 0 or 1 are options
+
+ console.log("if3");
+ for (var iter = 0; iter < alreadyMessages.length - 2; iter++) { // (-2 zato, ker potem iter+1 ne obstaja pri zadnjem elementu)
+ if (Number(alreadyMessages[iter].getAttribute("data-date")) < timestamp
+ && Number(alreadyMessages[iter+1].getAttribute("data-date")) > timestamp) {
+
+ var zgornjiIsti = alreadyMessages[iter].parentElement.classList.contains(whos);
+ var spodnjiIsti = alreadyMessages[iter+1].parentElement.classList.contains(whos);
+ console.log([zgornjiIsti, spodnjiIsti]);
+
+ if (zgornjiIsti && spodnjiIsti) {
+ messagesnest = alreadyMessages[iter].parentElement;
+ bubblenode.className = "message";
+ messagesnest.insertBefore(bubblenode, alreadyMessages[iter+1]);
+ return;
+ }
+
+ if (zgornjiIsti && !spodnjiIsti) {
+ messagesnest = alreadyMessages[iter].parentElement;
+ bubblenode.className = "message last";
+ messagesnest.children.item(messagesnest.childElementCount - 1).classList.remove("last");
+ messagesnest.appendChild(bubblenode);
+ return;
+ }
+
+ if (!zgornjiIsti && spodnjiIsti) {
+ messagesnest = alreadyMessages[iter+1].parentElement;
+ bubblenode.className = "message";
+ messagesnest.insertBefore(bubblenode, alreadyMessages[iter+1]);
+ return;
+ }
+
+ throw new RangeError("This should not happen!");
+ }
+ }
+ throw new RangeError("This should not happen!");
+
+ }
+ }
+
+ // autodetect date is not present here anymore
+ messagesnest.className = whos + " messages";
+ if (datePlacement == 0) {
+ messagesnest.appendChild(bubblenode);
+ } else {
+ messagesnest.prepend(bubblenode);
+ }
+
+ if (!istaOseba) {
+ if (datePlacement == 0) {
+ chatarea.appendChild(messagesnest);
+ } else{
+ chatarea.prepend(messagesnest);
+ }
+ }
+}
+
+async function validateName() {
+ if (directory !== null) {
+ $("#full-name").prop("disabled", false);
+ if ($("#full-name").val() in directory) {
+ $("#full-name").addClass("valid");
+ $("#full-name").removeClass("invalid");
+ $("#chat-recipient-select-btn").prop("disabled", false);
+ $("#msg-body").prop("disabled", false);
+ } else {
+ $("#full-name").addClass("invalid");
+ $("#full-name").removeClass("valid");
+ $("#chat-recipient-select-btn").prop("disabled", true);
+ $("#msg-body").prop("disabled", true);
+ $("#msg-body").val("");
+ }
+ } else {
+ $("#chat-recipient-select-btn").prop("disabled", true);
+ $("#full-name").val(D("nameDirectoryNotSet"));
+ $("#full-name").prop("disabled", true);
+ $("#msg-body").val("");
+ }
+}
+
+async function clearMessages() {
+ $(".chat").eq(0).html("");
+}
+
+function getUrlParameter(sParam) {
+ const url_params = new URLSearchParams(window.location.search);
+ const found_param = url_params.get(sParam);
+ return found_param;
+}
+
+async function updateSendButton() {
+ if ($("#msg-body").val().length == 0) {
+ $("#msg-send").prop("disabled", true);
+ } else {
+ $("#msg-send").prop("disabled", false);
+ }
+}
+
+async function setRecipient(name = null) {
+ if (name == null || name == false || name == undefined) {
+ name = $("#full-name").val();
+ } else if (typeof name != "number") {
+ throw new TypeError('Hello from setRecipient(): name can only be string or null!');
+ }
+
+ if (!Object.keys(directory).includes(name)) {
+ UIAlert(D("recipientNotInDirectory"));
+ throw new RangeError("Hello from setRecipient(): name is not in directory");
+ }
+
+ var modal = document.querySelectorAll("#directory-side-menu")[0];
+ var modalInstance = M.Sidenav.getInstance(modal);
+ modalInstance.close();
+
+ $(".msg-chattingWith").eq(0).html(name);
+ sogovornik = name;
+ currentlyChattingWith = directory[name];
+
+ $("#chat-mustSelectRecipient").hide();
+
+ updateSendButton();
+ clearMessages(); // <-- do when recipient selected
+ prepareAndStartFetchingMessages(); // <-- same
+}
+
+async function prepareAndStartFetchingMessages() {
+ if (currentlyChattingWith === 0 || (currentlyChattingWith >= 1 && currentlyChattingWith < 69420)) {
+ $("#msg-body").prop("disabled", false);
+ await clearMessages();
+ startFetchingMessages();
+ } else {
+ var modal = document.querySelectorAll("#directory-side-menu")[0];
+ var modalInstance = M.Sidenav.getInstance(modal);
+ modalInstance.open();
+ }
+}
+
+async function startFetchingMessages() {
+ let promises_to_run = [
+ localforage.getItem("username").then((value) => {
+ username = value;
+ }),
+ localforage.getItem("password").then((value) => {
+ password = value;
+ }),
+ ];
+
+ setLoading(true);
+ await Promise.all(promises_to_run);
+ try {
+ let gsecInstance = new gsec();
+ await gsecInstance.login(username, password);
+ for (var category = 0; category <= 1; category++) {
+ let lastpage = await gsecInstance.fetchMessagesLastPageNumber(category);
+ startLoadingMessagesForCategory(gsecInstance, category, lastpage);
+ }
+ } catch (err) {
+ gsecErrorHandlerUI(err);
+ }
+ setLoading(false);
+}
+
+async function startLoadingMessagesForCategory(gsecInstance, category, lastpage) {
+ for (var page = 1; page <= lastpage; page++) {
+ var gsecMsgList = await gsecInstance.fetchMessagesList(category, page);
+ if (category == 0) {
+ whom = 1;
+ } else {
+ whom = 0;
+ }
+ renderMessages(gsecMsgList, whom, 1);
+ }
+}
+
+async function renderMessages(gsecMsgList, whom, order = 1) { // order: 1=newest>olest 0=oldest>newest 2=autodetect (todo-not implemented)
+ for (const message of gsecMsgList) { // whom: 0=me 1=you
+ if (message.subject.startsWith(CHATS_SUBJECT_PREFIX)) {
+ console.log(message);
+ addMessage(whom, message.subject.substring(CHATS_SUBJECT_PREFIX.length), 2, message.date.getTime);
+ }
+ }
+}
+
+function setupEventListeners() {
+ $("#chat-recipient-select-btn").click(() => {
+ setRecipient();
+ });
+
+ $("#msg-send").click(() => {
+ sendMessage();
+ });
+
+ $("#full-name").on("input", () => {
+ validateName();
+ });
+
+ $("#msg-body").on("input", () => {
+ updateSendButton();
+ });
+}
+
+document.addEventListener("DOMContentLoaded", () => {
+
+ checkLogin();
+ loadDirectory();
+
+ setupEventListeners();
+
+ updateSendButton();
+
+ // var receivedmessages = null;
+
+ M.updateTextFields();
+
+ // Setup side menu
+ const menus = document.querySelectorAll(".side-menu");
+ M.Sidenav.init(menus, { edge: "right", draggable: true });
+ let elems = document.querySelectorAll(".modal");
+ M.Modal.init(elems, {});
+
+ // Setup side modal
+ const modals = document.querySelectorAll(".side-modal");
+ M.Sidenav.init(modals, { edge: "left", draggable: false });
+ prepareAndStartFetchingMessages(); // just opens modal, as there is no recipient selected
+}); \ No newline at end of file