Implements HTTP POST query for fetching app configuration.

2015-08-24 11:53:10 +02:00
parent 7b35dd89bb
commit a7048fba06
10 changed files with 226 additions and 64 deletions
@@ -0,0 +1,55 @@
+/* global $, $iq, config, interfaceConfig */
+
+var configUtil = require('./Util');
+
+var HttpConfig = {
+    /**
+     * Sends HTTP POST request to specified <tt>endpoint</tt>. In request
+     * the name of the room is included in JSON format:
+     * {
+     *   "rooomName": "someroom12345"
+     * }
+     * @param endpoint the name of HTTP endpoint to which HTTP POST request will
+     *                 be sent.
+     * @param roomName the name of the conference room for which config will be
+     *                 requested.
+     * @param complete
+     */
+    obtainConfig: function (endpoint, roomName, complete) {
+        console.info(
+            "Send config request to " + endpoint + " for room: " + roomName);
+
+        var request = new XMLHttpRequest();
+        var error = null;
+        request.onreadystatechange = function (aEvt) {
+            if (request.readyState == 4) {
+                var status = request.status;
+                if (status === 200) {
+                    try {
+                        var data = JSON.parse(request.responseText);
+                        configUtil.overrideConfigJSON(
+                            config, interfaceConfig, data);
+                        complete(true);
+                        return;
+                    } catch (exception) {
+                        console.error("Parse config error: ", exception);
+                        error = exception;
+                    }
+                } else {
+                    console.error("Get config error: ", request, status);
+                    error = "Get config response status: " + status;
+                }
+                complete(false, error);
+            }
+        };
+
+        request.open("POST", endpoint, true);
+
+        request.setRequestHeader(
+            "Content-Type", "application/json;charset=UTF-8");
+
+        request.send({ "roomName": roomName });
+    }
+};
+
+module.exports = HttpConfig;