pridany modul Backend pre komuniaciu s API,

pridany template pre Bug Add,
implementovana funkcionalita pre Bug Add,
doplnene BUILD a DEV premenne

webapp/src/backend.js

@@ -0,0 +1,76 @@
+export const backend = {
+	endpont: __IS_BUILD__
+		? window.location.origin + __SUBPATH__ + "api.php"
+		: "http://localhost/bugreport/api.php",
+
+	/* ----------------------------------------------------
+	 * Vsebecne API volanie
+	 */
+	call(method, data, callback) {
+		var xhttp = new XMLHttpRequest();
+		xhttp.withCredentials = true;
+		xhttp.onreadystatechange = function() {
+			if (this.readyState == 4) {
+				if (this.status == 200) {
+					if (callback != null) callback(JSON.parse(this.responseText));
+				} else {
+					if (callback != null) callback({'status': 'ERROR', 'message': 'HTTP STATUS ' + this.status});
+				}
+			}
+		}
+		var form_data  = new FormData();
+		Object.keys(data).forEach(key => {
+			form_data.append(key, data[key]);
+		});
+		xhttp.open('POST', this.endpont + '?action=' + method);
+		//xhttp.setRequestHeader('content-type', 'application/x-www-form-urlencoded');
+		xhttp.send(form_data);
+	},
+
+	callPromise(method, data) {
+		return new Promise((resolve, reject) => {
+			this.call(method, data, function(response) {
+				if (response.status == 'OK') {
+					resolve(response.data);
+				} else {
+					reject(response.msg);
+				}
+			});
+		})
+	},
+
+	/* ----------------------------------------------------
+	 * API akcie
+	 */
+	add(title, description, status, group, priority) {
+		return this.callPromise('add', {
+			title: title,
+			description: description,
+			status: status,
+			group: group,
+			priority: priority});
+	},
+
+	update(id, title, description, status, group, priority) {
+		return this.callPromise('update', {
+			id: id,
+			title: title,
+			description: description,
+			status: status,
+			group: group,
+			priority: priority});
+	},
+
+	delete(id) {
+		return this.callPromise('delete', {id: id});
+	},
+
+	get(id) {
+		return this.callPromise('get', {id: id});
+	},
+
+	getAll() {
+		return this.callPromise('getall', {});
+	},
+
+};