From 3fd55d3389e5d1d496a62bbb7ee95234c304ca8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20L=2E=20=C5=A0ijanec?= <sijanecantonluka@gmail.com>
Date: Sun, 5 Apr 2020 20:23:30 +0200
Subject: chats.js not done yet

---
 css/bubbles.css          |  94 ++++++++++++
 css/styles.css           |  20 ++-
 img/avatars/asijanec.png | Bin 389 -> 82 bytes
 js/chats.js              | 373 +++++++++++++++++++++++++++++++++++++++++++++++
 js/gsec.js               |  18 ++-
 js/lang/bundle.js        |  26 +++-
 js/messaging.js          |   2 +-
 js/setup-storage.js      |   3 +-
 pages/about.html         |   1 +
 pages/absences.html      |   1 +
 pages/chats.html         | 104 +++++++++++++
 pages/grades.html        |   3 +-
 pages/gradings.html      |   3 +-
 pages/meals.html         |   3 +-
 pages/messaging.html     |   5 +-
 pages/settings.html      |   3 +-
 pages/teachers.html      |   3 +-
 pages/timetable.html     |   3 +-
 sw.js                    |   8 +-
 19 files changed, 647 insertions(+), 26 deletions(-)
 create mode 100644 css/bubbles.css
 create mode 100644 js/chats.js
 create mode 100644 pages/chats.html

diff --git a/css/bubbles.css b/css/bubbles.css
new file mode 100644
index 0000000..8a19ff1
--- /dev/null
+++ b/css/bubbles.css
@@ -0,0 +1,94 @@
+/* obviously stolen, source https://codepen.io/swards/pen/gxQmbj */
+.chat {
+  width: 100%;
+	border-left: solid 1px #EEE;
+	border-right: solid 1px #EEE;
+	/* border-bottom: solid 1px #EEE; */
+  display: flex;
+  flex-direction: column;
+  padding: 10px;
+}
+
+.messages {
+  margin-top: 30px;
+  display: flex;
+  flex-direction: column;
+}
+
+.message {
+  border-radius: 20px;
+  padding: 8px 15px;
+  margin-top: 5px;
+  margin-bottom: 5px;
+  display: inline-block;
+}
+
+.yours {
+  align-items: flex-start;
+}
+
+.yours .message {
+  margin-right: 25%;
+  background-color: #eee;
+  position: relative;
+}
+
+.yours .message.last:before {
+  content: "";
+  position: absolute;
+  z-index: 0;
+  bottom: 0;
+  left: -7px;
+  height: 20px;
+  width: 20px;
+  background: #eee;
+  border-bottom-right-radius: 15px;
+}
+.yours .message.last:after {
+  content: "";
+  position: absolute;
+  z-index: 1;
+  bottom: 0;
+  left: -10px;
+  width: 10px;
+  height: 20px;
+  background: white;
+  border-bottom-right-radius: 10px;
+}
+
+.mine {
+  align-items: flex-end;
+}
+
+.mine .message {
+  color: white;
+  margin-left: 25%;
+  background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-secondary) 100%);
+  background-attachment: fixed;
+  position: relative;
+}
+
+.mine .message.last:before {
+  content: "";
+  position: absolute;
+  z-index: 0;
+  bottom: 0;
+  right: -8px;
+  height: 20px;
+  width: 20px;
+  background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-secondary) 100%);
+  background-attachment: fixed;
+  border-bottom-left-radius: 15px;
+}
+
+.mine .message.last:after {
+  content: "";
+  position: absolute;
+  z-index: 1;
+  bottom: 0;
+  right: -10px;
+  width: 10px;
+  height: 20px;
+  background: white;
+  border-bottom-left-radius: 10px;
+}
\ No newline at end of file
diff --git a/css/styles.css b/css/styles.css
index 8ad12a0..a06c906 100644
--- a/css/styles.css
+++ b/css/styles.css
@@ -28,8 +28,12 @@ body {
 }
 
 nav {
-    background: var(--color-primary);
-    border-bottom: 10px solid var(--color-accent);
+  background: var(--color-primary);
+	border-bottom: 10px solid var(--color-accent);
+	position: sticky;
+	left: 0;
+	top: 0;
+	z-index: 69; /* choose a number, any number */
 }
 
 .hidden {
@@ -147,4 +151,14 @@ a.collection-item {
 .input-field textarea:not([readonly]):focus {
     border-bottom: 1px solid var(--color-primary) !important;
     box-shadow: 0 1px 0 0 var(--color-primary) !important;
-}
\ No newline at end of file
+}
+
+.chat-sticky-input {
+	position: fixed;
+	left: 0;
+	bottom: 0;
+	width: 100%;
+	background-color: white;
+	text-align: center;
+	z-index: 60;
+}
diff --git a/img/avatars/asijanec.png b/img/avatars/asijanec.png
index 34d0e3e..ccae7d0 100644
Binary files a/img/avatars/asijanec.png and b/img/avatars/asijanec.png differ
diff --git a/js/chats.js b/js/chats.js
new file mode 100644
index 0000000..73dc791
--- /dev/null
+++ b/js/chats.js
@@ -0,0 +1,373 @@
+const API_ENDPOINT = "https://gimb.tk/test.php";
+const DIRECTORY_URL = "/directory.json";
+// "Global" object for name directory
+var directory = null;
+var currentlyChattingWith = null; // msgid
+var sogovornik = null; // name
+var firstPageOfMessages = null; // so we can test if new messages ever arrive
+
+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);
+    });
+}
+function getKeyByValue(object, value) {
+  return Object.keys(object).find(key => object[key] === value);
+}
+// -----------HTML HELPERS-----------
+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();
+}
+
+function htmlDecode(value) {
+    return $("<textarea/>").html(value).text();
+}
+// ---------------------------------
+
+// Try to fetch name:id directory
+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((stored_directory) => {
+                if (stored_directory === 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
+                    document.getElementById("msg-send").disabled = true;
+                } else {
+                    directory = stored_directory;
+                    // Populate autocomplete
+                    populateAutocomplete();
+                }
+            });
+        }
+    });
+}
+
+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 autocomplete_entries = Object.assign({}, directory);
+    for (let variableKey in autocomplete_entries) {
+        autocomplete_entries[variableKey] = null;
+    }
+    M.Autocomplete.init(elems, {
+        data: autocomplete_entries,
+        onAutocomplete: validateName,
+        minLength: 0
+    });
+    if(window.location.hash.length > 1) {
+    	document.getElementById("full-name").value = decodeURIComponent(window.location.hash.substring(1));
+    } else {
+    	document.getElementById("full-name").value = getUrlParameter("m");
+    }
+    M.updateTextFields();
+    validateName();
+}
+
+// Function to toggle loading bar
+function setLoading(state) {
+    if (state) {
+        $("#loading-bar").removeClass("hidden");
+    } else {
+        $("#loading-bar").addClass("hidden");
+    }
+}
+async function sendMessage(recipient_number = null, body = null) {
+	if(recipient_number == null || recipient_number == undefined) {
+		recipient_number = directory[sogovornik];
+	}
+	if(body == null || body == undefined) {
+		body = document.getElementById("msg-body").value;
+	}
+	if(body.length > 180) {
+		throw new RangeError("sendMessage(): message is longer than 180 characters.");
+	}
+	let promises_to_run = [
+			localforage.getItem("username").then((value) => {
+					username = value;
+			}),
+			localforage.getItem("password").then((value) => {
+					password = value;
+			}),
+	];
+	setLoading(true);
+	Promise.all(promises_to_run).then(() => {
+		try {
+			let gsecInstance = new gsec();
+			gsecInstance.login(username, password).then( () => {
+				gsecInstance.sendMessage(recipient_number, "beziapp-ctlmsg-chat-"+body, "BežiApp chat: "+body).then( (value) => {
+					addMessage(0, body);
+					setLoading(false);
+				}).catch( (err) => {
+					gsecErrorHandlerUI(err);
+					setLoading(false);
+				});
+			});
+		} catch (err) {
+			gsecErrorHandlerUI(err);
+			setLoading(false);
+		}
+	});
+}
+function addMessage(whom, body, datePlacement = 0, messageDate = null) { // datePlacement: 0=append bubble to end, 1=append bubble to start.
+	if(whom == 0) {
+		var whos = "mine";
+	} else {
+		var whos = "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);
+	if(chatarea.childElementCount == 0) {
+		bubblenode.className = "message last";
+		var messagesnest = document.createElement("div");
+		var 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
+				var istaoseba = true;
+				var messagesnest = chatarea.children.item(chatarea.children.length - 1);
+				messagesnest.children.item(messagesnest.children.length - 1).classList.remove("last");
+			} else {
+				var istaoseba = false;
+				var 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";
+				var istaoseba = true;
+				var messagesnest = chatarea.children.item(0);
+			} else {
+				bubblenode.className = "message last";
+				var istaoseba = false;
+				var 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")) < timstamp
+					&& 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) {
+						var messagesnest = alreadyMessages[iter].parentElement;
+						bubblenode.className = "message";
+						messagesnest.insertBefore(bubblenode, alreadyMessages[iter+1]);
+						return;
+					}
+					if(zgornjiIsti && !spodnjiIsti) {
+						var messagesnest = alreadyMessages[iter].parentElement;
+						bubblenode.className = "message last";
+						messagesnest.children.item(messagesnest.childElementCount - 1).classList.remove("last");
+						messagesnest.appendChild(bubblenode);
+						return;
+					}
+					if(!zgornjiIsti && spodnjiIsti) {
+						var 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!1");
+		}
+	}
+	// 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) {
+		document.getElementById("full-name").disabled = false;
+		if ($("#full-name").val() in directory) {
+			$("#full-name").addClass("valid");
+			$("#full-name").removeClass("invalid");
+			document.getElementById("chat-recipient-select-btn").disabled = false;
+			document.getElementById("msg-body").disabled = false;
+		} else {
+			$("#full-name").addClass("invalid");
+			$("#full-name").removeClass("valid");
+			document.getElementById("chat-recipient-select-btn").disabled = true;
+			document.getElementById("msg-body").disabled = true;
+			document.getElementById("msg-body").value = "";
+		}
+	} else {
+		document.getElementById("chat-recipient-select-btn").disabled = true;
+		document.getElementById("full-name").value = D("nameDirectoryNotSet");
+		document.getElementById("full-name").disabled = true;
+		document.getElementById("msg-body").value = "";
+	}
+}
+
+async function clearMessages() {
+	var chatarea = document.getElementsByClassName("chat")[0];
+	chatarea.innerHTML = "";
+}
+
+function getUrlParameter(sParam) {
+	const url_params = new URLSearchParams(window.location.search);
+	const found_param = url_params.get(sParam);
+	return found_param;
+}
+
+document.addEventListener("DOMContentLoaded", () => {
+	checkLogin();
+	loadDirectory();
+	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');
+	let instances = 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
+
+});
+
+async function updateSendButton() {
+	if(document.getElementById("msg-body").value.length == 0) {
+		document.getElementById("msg-send").disabled = true;
+	} else {
+		document.getElementById("msg-send").disabled = false;
+	}
+}
+
+async function setRecipient(name = null) {
+	if(name == null || name == false || name == undefined) {
+		name = document.getElementById("full-name").value;
+	} else if (typeof name != "number") {
+		throw new TypeError('Hello from setRecipient(): name can only be string or null!');
+	}
+
+	if(Object.keys(directory).includes(name)) {} else {
+		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();
+	document.getElementsByClassName("msg-chattingWith")[0].innerHTML = name;
+	sogovornik = name;
+	currentlyChattingWith = directory[name];
+	document.getElementById("chat-mustSelectRecipient").hidden=true;
+	updateSendButton();
+	clearMessages(); // <-- do when recipient selected
+	prepareAndStartFetchingMessages(); // <-- same
+}
+
+async function prepareAndStartFetchingMessages() {
+	if(currentlyChattingWith === 0 || (currentlyChattingWith >= 1 && currentlyChattingWith < 69420)) {
+		document.getElementById("msg-body").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.substring(0, 20) == "beziapp-ctlmsg-chat-") {
+			addMessage(whom, message.subject.substring(20), 2, message.date.getTime);
+		}
+	}
+}
diff --git a/js/gsec.js b/js/gsec.js
index 7bfad46..e1c2ffc 100644
--- a/js/gsec.js
+++ b/js/gsec.js
@@ -430,7 +430,7 @@ class gsec {
 			});
 		});
 	}
-	fetchMessagesList(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, outputResponse = false) {
+	fetchMessagesList(category = GSEC_MSGTYPE_RECEIVED, pageNumber = 1, outputResponse = false) { // outputResponse je probably za debug
 		var msgCategory = GSEC_MSGTYPES[category];
 		var messages = [];
 		var requestURi = GSE_URL+"Page_Gim/Uporabnik/Sporocila.aspx";
@@ -447,12 +447,20 @@ class gsec {
 				for(const messageElement of messageElements) {
 					let msgId = messageElement.getElementsByTagName("input")[0].value;
 					var date = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML.split(" ")[0].split(".");
-					if(date[2].length < 1) {
-						let today = new Date();
+					var today = new Date();
+					if(date[2] == undefined || date[2].length < 1) {
 						date[2] = today.getFullYear();
 					}
+					if(date[1] == undefined || date[1].length < 1) {
+						date[1] = today.getMonth()+1;
+						date[0] = today.getDate();
+					}
 					var tume = messageElement.getElementsByClassName("msgSubDate")[0].innerHTML.split(" ")[1];
-					var dateObj = new Date(Date.parse(date[2]+"-"+date[1]+"-"+date[0]+" "+tume)); // "tume"!
+					if (tume == undefined || tume == null) { // js nism kriv za to pizdraijo; gimsis je.
+						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});
@@ -482,4 +490,4 @@ class gsec {
 			});
 		});
 	}
-}
+}
\ No newline at end of file
diff --git a/js/lang/bundle.js b/js/lang/bundle.js
index 8f540b9..58757ed 100644
--- a/js/lang/bundle.js
+++ b/js/lang/bundle.js
@@ -109,6 +109,7 @@ var langstrings = {
 	en: {
 		miscTranslationLanguage: "English",
 		miscTranslationAuthors: "Rok Štular",
+		"": "",
 		// date
 		monday: "monday",
 		tuesday: "tuesday",
@@ -199,7 +200,7 @@ var langstrings = {
 		thisMessageWasEncrypted: "this message was encrypted by BežiApp",
 		enterPassword: "enter password",
 		decrypt: "decrypt",
-		nameDirecroryNotSet: "name directory not set, sending unavailable",
+		nameDirectoryNotSet: "name directory not set, sending unavailable",
 		errorFetchingMessages: "error fetching messages",
 		unableToReceiveTheMessage: "unable to receive the message",
 		unableToDeleteTheMessage: "unable to delete the message",
@@ -208,6 +209,15 @@ var langstrings = {
 		imageAddedAsAnAttachment: "image added as an attachment",
 		unableToReadDirectory: "unable to read directory of people",
 		messageCouldNotBeSent: "message could to be sent",
+		// chats
+		chat: "chat",
+		chattingWith: "chatting with",
+		noMessages: "no messages",
+		stillLoading: "loading is still in progress",
+		directory: "directory",
+		select: "select",
+		mustSelectRecipient: "you have to select a recipient before chatting. Open directory on the left side by clicking on the top left addressbook button and select a recipient in order to start chatting with them",
+		recipientNotInDirectory: "recipient is not in directory.",
 		// meals
 		loginToLopolis: "login to Lopolis",
 		loginToLopolisNote: "it seems like you're not currently logged in to eRestavracija, so this form has been presented to you. You have a different username and password combination used for applying and opting out of of menus. In order to use this feature, you have to log in with your Lopolis account.",
@@ -277,6 +287,7 @@ var langstrings = {
 	sl: {
 		miscTranslationLanguage: "slovenščina",
 		miscTranslationAuthors: "Anton Luka Šijanec",
+		"": "",
 		// date
 		monday: "ponedeljek",
 		tuesday: "torek",
@@ -367,7 +378,7 @@ var langstrings = {
 		thisMessageWasEncrypted: "to sporočilo je šifriral BežiApp",
 		enterPassword: "vnesite geslo",
 		decrypt: "odšifriraj",
-		nameDirecroryNotSet: "imenik ni nastavljen, pošiljanje ni mogoče",
+		nameDirectoryNotSet: "imenik ni nastavljen, pošiljanje ni mogoče",
 		errorFetchingMessages: "sporočil ni bilo mogoče prenesti",
 		unableToReceiveTheMessage: "sporočila ni bilo mogoče prenesti",
 		unableToDeleteTheMessage: "sporočila ni bilo mogoče izbrisati",
@@ -376,6 +387,15 @@ var langstrings = {
 		imageAddedAsAnAttachment: "slika dodana kot priloga",
 		unableToReadDirectory: "imenika ni bilo mogoče prebrati",
 		messageCouldNotBeSent: "sporočila ni bilo mogoče poslati",
+		// chats
+		chat: "klepet",
+		chattingWith: "klepet z osebo",
+		noMessages: "ni sporočil",
+		stillLoading: "nalaganje še poteka",
+		directory: "imenik",
+		select: "izberi",
+		mustSelectRecipient: "pred klepetom morate izbrati sogovornika. Odprite imenik (meni na levi strani) s pritiskom na gumb \"imenik\" zgoraj desno in izberite sogovornika.",
+		recipientNotInDirectory: "izbrane osebe ni v imeniku",
 		// meals
 		loginToLopolis: "prijava v Lopolis",
 		loginToLopolisNote: "izgleda, da niste prijavljeni v eRestavracijo, zato se vam je prikazal prijavni obrazec. Za uporavljanje s prehrano se uporablja druga kombinacija uporabniškega imena in gesla, zato se prijavite s svojimi Lopolis prijavnimi podatki za nadaljevanje.",
@@ -441,4 +461,4 @@ var langstrings = {
 		gsecErrLogin: "napaka avtentikacije na GimSISu (napačno geslo?), poskusite se odjaviti",
 		gsecErrOther: "neznana napaka GimSISa, poskusite se odjaviti"
 	}
-}
+}
\ No newline at end of file
diff --git a/js/messaging.js b/js/messaging.js
index 9ec9410..2b5c065 100644
--- a/js/messaging.js
+++ b/js/messaging.js
@@ -434,4 +434,4 @@ document.addEventListener("DOMContentLoaded", () => {
     const menus = document.querySelectorAll(".side-menu");
     M.Sidenav.init(menus, { edge: "right", draggable: true });
 
-});
+});
\ No newline at end of file
diff --git a/js/setup-storage.js b/js/setup-storage.js
index 0fe26d2..0fe3fef 100644
--- a/js/setup-storage.js
+++ b/js/setup-storage.js
@@ -16,7 +16,7 @@ async function setupStorage(force = false) {
     localforage.setItem("absences", {}),
     localforage.setItem("messages", {}),
     localforage.setItem("directory", {}),
-    localforage.setItem("meals", {})
+		localforage.setItem("meals", {})
   ];
 	if(logged_in && force == false) { // torej, če je že bila prijava narejena, ne posodobi backwards-compatible vrednosti (username, password,...)
 	  await Promise.all(promises_update);
@@ -33,4 +33,3 @@ async function setupStorage(force = false) {
 		console.log("[setupStorage] user not logged in: set up whole database");
 	}
 }
-
diff --git a/pages/about.html b/pages/about.html
index 22997b2..1da0e03 100644
--- a/pages/about.html
+++ b/pages/about.html
@@ -51,6 +51,7 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
       <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
diff --git a/pages/absences.html b/pages/absences.html
index a25d128..d0acee6 100644
--- a/pages/absences.html
+++ b/pages/absences.html
@@ -54,6 +54,7 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
       <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
diff --git a/pages/chats.html b/pages/chats.html
new file mode 100644
index 0000000..fc35048
--- /dev/null
+++ b/pages/chats.html
@@ -0,0 +1,104 @@
+<!DOCTYPE html>
+<html>
+	<head>
+		<meta charset="UTF-8">
+		<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
+		<meta http-equiv="X-UA-Compatible" content="ie=edge">
+		<meta name="google" content="notranslate">
+		<title>Chats &laquo; BežiApp</title>
+		<!-- Materialize -->
+		<link type="text/css" href="/css/materialize.min.css" rel="stylesheet">
+		<link href="/css/materialicons.css" rel="stylesheet">
+		<script type="text/javascript" src="/js/lib/materialize.min.js"></script>
+		<script src="/js/lib/jquery.min.js"></script>
+		<script type="text/javascript" src="/js/lib/localforage.min.js"></script>
+		<link type="text/css" href="/css/styles.css" rel="stylesheet">
+		<link type="text/css" href="/css/bubbles.css" rel="stylesheet">
+		<script type="text/javascript" src="/js/gsec.js" ></script>
+		<script type="text/javascript" src="/js/chats.js"></script>
+		<link rel="manifest" href="/manifest.json">
+		<script src="/js/app.js"></script>
+		<script src="/js/lang/bundle.js"></script>
+		<script src="/js/lib/xss.js"></script>
+		<script src="/js/lib/sjcl.js"></script>
+		<link rel="shortcut icon" type="image/png" href="/favicon.png" />
+		<!-- iOS support -->
+		<link rel="apple-touch-icon" href="/img/icons/icon_96.png">
+		<link rel="apple-touch-icon" href="/img/icons/icon_512.png">
+		<meta name="apple-mobile-web-app-status-bar" content="#004d32">
+	</head>
+	<body>
+		<nav class="z-depth-0" id="navigation-main">
+			<div class="nav-wrapper container">
+				<span class="left white-text directory-opener">
+					<i class="material-icons sidenav-trigger" data-target="directory-side-menu">contacts</i>
+				</span>
+				<!-- | <x-su>chattingWith</x-su> --> <!-- too much for smaller devices -->
+					<span class="msg-chattingWith"><b>Beži</b><span>App</span> &raquo; <x-su>chat</x-su></span> &nbsp;
+				<span class="right white-text">
+					<i class="material-icons sidenav-trigger" data-target="side-menu">menu</i>
+				</span>
+			</div>
+			<div id="loading-bar" class="progress hidden">
+				<div class="indeterminate"></div>
+			</div>
+		</nav>
+		<ul id="side-menu" class="sidenav side-menu">
+			<li><a class="subheader"><h4><b>Beži</b>App</h4></a></li>
+			<li><a href="/pages/timetable.html" class="waves-effect"><i class="material-icons">view_module</i><x-su>timetable</x-su></a></li>
+			<li><a href="/pages/gradings.html" class="waves-effect"><i class="material-icons">event</i><x-su>gradings</x-su></a></li>
+			<li><a href="/pages/grades.html" class="waves-effect"><i class="material-icons">receipt</i><x-su>grades</x-su></a></li>
+			<li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
+			<li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
+			<li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
+			<li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><div class="divider"></div></li>
+			<li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
+			<li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
+			<li><a href="/pages/settings.html" class="waves-effect"><i class="material-icons">settings</i><x-su>settings</x-su></a></li>
+		</ul>
+		<ul id="directory-side-menu" class="sidenav side-modal">
+			<br>
+			<li><a class="header"><h5><x-su>directory</x-su></h5></a></li>
+			<li>
+				<div class="container">
+					<div class="row">
+						<div class="input-field">
+							<i class="material-icons prefix">account_circle</i>
+							<input oninput="validateName();" id="full-name" type="text" class="autocomplete-fullname validate">
+							<label for="full-name"><x-su>recipient</x-su></label>
+						</div>
+					</div>
+					<div class="row">
+						<button id="chat-recipient-select-btn" onclick="setRecipient()" class="btn waves-effect">
+							<x-su>select</x-su>
+						</button>
+					</div>
+				</div>
+			</li>
+		</ul>
+		<div class="container">
+			<h6 id="chat-mustSelectRecipient"><x-du>mustSelectRecipient</x-du></h6>
+			<div style="text-align:center" class="msg-messagesPlaceholder">
+				<br />
+				<x-du class="msg-messagesPlaceholderText"></x-du> <!-- stillLoading / noMessages -->
+			</div>
+			<div class="chat"></div> <!-- <div data-remark="a child, so chatarea.children does not scare of losing all of her kids"></div> -->
+			<div class="chat-sticky-input">
+				<div class="row">
+					<div class="input-field col s10">
+						<i class="material-icons prefix">mode_edit</i>
+						<textarea maxlength="180" disabled="disabled" oninput="updateSendButton();" id="msg-body" class="materialize-textarea"></textarea>
+						<label for="msg-body"><x-su>messageBody</x-su></label>
+					</div>
+					<div class="input-field col s2">
+						<button class="btn waves-effect waves-light" onclick="sendMessage();" id="msg-send" type="button" disabled="disabled" name="action">
+							<i class="material-icons">send</i>
+						</button>
+					</div>
+			</div>
+			</div>
+		</div>
+	</body>
+</html>
\ No newline at end of file
diff --git a/pages/grades.html b/pages/grades.html
index 878ccd2..0c7e161 100644
--- a/pages/grades.html
+++ b/pages/grades.html
@@ -54,7 +54,8 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
-      <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
+			<li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
       <li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
diff --git a/pages/gradings.html b/pages/gradings.html
index d18670e..72a809a 100644
--- a/pages/gradings.html
+++ b/pages/gradings.html
@@ -61,7 +61,8 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
-      <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
+			<li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
       <li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
diff --git a/pages/meals.html b/pages/meals.html
index 0aae59e..00d150c 100644
--- a/pages/meals.html
+++ b/pages/meals.html
@@ -54,7 +54,8 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
-      <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
+			<li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
       <li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
diff --git a/pages/messaging.html b/pages/messaging.html
index 99f12db..6fbf2db 100644
--- a/pages/messaging.html
+++ b/pages/messaging.html
@@ -52,6 +52,7 @@
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
       <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
       <li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
@@ -138,9 +139,5 @@
 		</div>
 	</p>
     </div>
-
-
-
 </body>
-
 </html>
diff --git a/pages/settings.html b/pages/settings.html
index 9d8aaa6..9cde7ac 100644
--- a/pages/settings.html
+++ b/pages/settings.html
@@ -51,7 +51,8 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
-      <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
+			<li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
       <li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
diff --git a/pages/teachers.html b/pages/teachers.html
index e68f512..55a9a92 100644
--- a/pages/teachers.html
+++ b/pages/teachers.html
@@ -54,7 +54,8 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
-      <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
+			<li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
       <li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
diff --git a/pages/timetable.html b/pages/timetable.html
index 3bdb4fa..b7ce913 100644
--- a/pages/timetable.html
+++ b/pages/timetable.html
@@ -63,7 +63,8 @@
       <li><a href="/pages/teachers.html" class="waves-effect"><i class="material-icons">supervisor_account</i><x-su>teachers</x-su></a></li>
       <li><a href="/pages/absences.html" class="waves-effect"><i class="material-icons">query_builder</i><x-su>absences</x-su></a></li>
       <li><a href="/pages/messaging.html" class="waves-effect"><i class="material-icons">message</i><x-su>messaging</x-su></a></li>
-      <li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
+			<li><a href="/pages/chats.html" class="waves-effect"><i class="material-icons">chat</i><x-su>chat</x-su></a></li>
+			<li><a href="/pages/meals.html" class="waves-effect"><i class="material-icons">fastfood</i><x-su>meals</x-su></a></li>
       <li><div class="divider"></div></li>
       <li><a href="/pages/about.html" class="waves-effect"><i class="material-icons">info</i><x-su>about</x-su></a></li>
       <li><a href="/logout.html" class="waves-effect"><i class="material-icons">exit_to_app</i><x-su>logout</x-su></a></li>
diff --git a/sw.js b/sw.js
index f217f03..2e75d02 100644
--- a/sw.js
+++ b/sw.js
@@ -77,7 +77,11 @@ const assets = [
     "/index.html",
     "/login.html",
     "/logout.html",
-    "/favicon.png"
+		"/favicon.png",
+		
+		"/pages/chats.html",
+		"/js/chats.js",
+		"/css/bubbles.css"
 ];
 
 importScripts("/js/lib/localforage.min.js");
@@ -137,4 +141,4 @@ self.addEventListener("fetch", (evt) => {
     evt.respondWith(caches.match(evt.request).then((cache_res) => {
         return cache_res || fetch(evt.request);
     }))
-});
+});
\ No newline at end of file
-- 
cgit v1.2.3