Readd support to create copies of pool sessions

A new API endpoint is used to create a copy instead of locally exporting
and importing the session (2.3 behavior).

src/main/webapp/app/controller/SessionImport.js

@@ -39,5 +39,40 @@ Ext.define("ARSnova.controller.SessionImport", {
 			}
 		});
 		return promise;
+	},
+
+	/**
+	 * Creates a copy of a public pool session.
+	 *
+	 * @param sessionkey Session key of the public pool session
+	 */
+	copySessionFromPublicPool: function (sessionkey, sessionAttributes) {
+		var me = this;
+
+		var hideLoadMask = ARSnova.app.showLoadMask(Messages.LOAD_MASK_SESSION_PP_CLONE, 240000);
+		var showMySessionsPanel = function () {
+			// forward to session panel
+			var hTP = ARSnova.app.mainTabPanel.tabPanel.homeTabPanel;
+			hTP.animateActiveItem(hTP.mySessionsPanel, {
+				type: 'slide',
+				direction: 'right',
+				duration: 700
+			});
+			hideLoadMask();
+		};
+		var errorHandler = function (error) {
+			hideLoadMask();
+		};
+
+		ARSnova.app.restProxy.copySessionFromPublicPool(
+			sessionkey, sessionAttributes, {
+				success: function (response) {
+					showMySessionsPanel();
+				},
+				failure: function () {
+					console.log("Could not copy public pool session.");
+				}
+			}
+		);
 	}
 });

src/main/webapp/app/proxy/RestProxy.js

@@ -1081,6 +1081,16 @@ Ext.define('ARSnova.proxy.RestProxy', {
 		});
 	},
 
+	copySessionFromPublicPool: function (keyword, sessionAttributes, callbacks) {
+		this.arsjax.request({
+			url: "session/" + keyword + "/copyfrompublicpool",
+			method: "POST",
+			jsonData: sessionAttributes,
+			success: callbacks.success,
+			failure: callbacks.failure
+		});
+	},
+
 	getSubjectSort: function (sessionKeyword, isPreparation, callbacks) {
 		this.arsjax.request({
 			url: "lecturerquestion/subjectsort?sessionkey=" + sessionKeyword +

src/main/webapp/app/view/home/PublicPoolSingleItemPanel.js

@@ -307,6 +307,6 @@ Ext.define('ARSnova.view.home.PublicPoolSingleItemPanel', {
 		var customSessionAttributes = {};
 		customSessionAttributes.name = this.sessionName.getValue();
 		customSessionAttributes.shortName = this.sessionShortName.getValue();
-		ARSnova.app.getController("SessionExport").cloneSessionFromPublicPool(this.getSession(), customSessionAttributes);
+		ARSnova.app.getController("SessionImport").copySessionFromPublicPool(this.getSession().keyword, customSessionAttributes);
 	}
 });