refactor delete handling and apply it to users and groups

1 files changed, 153 insertions, 0 deletions

diff --git a/settings/js/users/deleteHandler.js b/settings/js/users/deleteHandler.js
new file mode 100644
index 00000000000..83d1cafc30d
--- /dev/null
+++ b/settings/js/users/deleteHandler.js
@@ -0,0 +1,153 @@
+/**
+ * Copyright (c) 2014, Arthur Schiwon <blizzz@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or later.
+ * See the COPYING-README file.
+ */
+
+
+/**
+ * @brief takes care of deleting things represented by an ID
+ * @param String endpoint: the corresponding ajax PHP script. Currently limited
+ * to settings - ajax path.
+ * @param String paramID: the by the script expected parameter name holding the
+ * ID of the object to delete
+ * @param Function markCallback: the function to be called after successfully
+ * marking the object for deletion.
+ * @param Function removeCallback: the function to be called after successful
+ * delete. The id of the object will be passed as argument. Insuccessful
+ * operations will display an error using OC.dialogs, no callback is fired.
+ */
+function DeleteHandler(endpoint, paramID, markCallback, removeCallback) {
+	this.oidToDelete = false;
+	this.canceled = false;
+
+	this.ajaxEndpoint = endpoint;
+	this.ajaxParamID = paramID;
+
+	this.markCallback = markCallback;
+	this.removeCallback = removeCallback;
+	this.undoCallback = false;
+
+	this.notifier = false;
+	this.notificationDataID = false;
+	this.notificationMessage = false;
+	this.notificationPlaceholder = '%oid';
+}
+
+/**
+ * @brief enabled the notification system. Required for undo UI.
+ * @param Object notifier: Usually OC.Notification
+ * @param String dataID: an identifier for the notificatior, e.g. 'deleteuser'
+ * @param String message: the message that should be shown upon delete. %oid
+ * will be replaced with the affected id of the item to be deleted
+ * @param Function undoCb: called after "undo" was clicked so consument can
+ * update the web interface
+ */
+DeleteHandler.prototype.setNotification = function(notifier, dataID, message, undoCb) {
+	this.notifier = notifier;
+	this.notificationDataID = dataID;
+	this.notificationMessage = message;
+	this.undoCallback = undoCb;
+
+	dh = this;
+
+	$('#notification').on('click', '.undo', function () {
+		if ($('#notification').data(dh.notificationDataID)) {
+			oid = dh.oidToDelete;
+			UserDeleteHandler.cancel();
+			if(typeof dh.undoCallback !== 'undefined') {
+				dh.undoCallback(oid);
+			}
+		}
+		dh.notifier.hide();
+	});
+}
+
+/**
+ * @brief shows the Undo Notification (if configured)
+ */
+DeleteHandler.prototype.showNotification = function() {
+	if(this.notifier !== false) {
+		if(!this.notifier.isHidden()) {
+			this.hideNotification();
+		}
+		$('#notification').data(this.notificationDataID, true);
+		msg = this.notificationMessage.replace(this.notificationPlaceholder,
+											this.oidToDelete);
+		console.log('NOTISHOW ' + msg);
+		this.notifier.showHtml(msg);
+	}
+}
+
+/**
+ * @brief hides the Undo Notification
+ */
+DeleteHandler.prototype.hideNotification = function() {
+	if(this.notifier !== false) {
+		$('#notification').removeData(this.notificationDataID);
+		this.notifier.hide();
+	}
+}
+
+/**
+ * @brief initilizes the delete operation for a given object id
+ * @param String oid: the object id
+ */
+DeleteHandler.prototype.mark = function(oid) {
+	if(this.oidToDelete !== false) {
+		this.delete();
+	}
+	this.oidToDelete = oid;
+	this.canceled = false;
+	this.markCallback(oid);
+	this.showNotification();
+}
+
+/**
+ * @brief cancels a delete operation
+ */
+DeleteHandler.prototype.cancel = function(oid) {
+	this.canceled = true;
+	this.oidToDelete = false;
+}
+
+/**
+ * @brief executes a delete operation. Requires that the operation has been
+ * initilized by mark(). On error, it will show a message via
+ * OC.dialogs.alert. On success, a callback is fired so that the client can
+ * update the web interface accordingly.
+ */
+DeleteHandler.prototype.delete = function() {
+	if(this.canceled || this.oidToDelete === false) {
+		return false;
+	}
+
+	dh = this;
+	console.log($('#notification').data(this.notificationDataID));
+	if($('#notification').data(this.notificationDataID) === true) {
+		dh.hideNotification();
+		console.log('HIDDEN NOTI');
+	}
+
+	payload = {};
+	payload[dh['ajaxParamID']] = dh.oidToDelete;
+	$.ajax({
+		type: 'POST',
+		url: OC.filePath('settings', 'ajax', dh.ajaxEndpoint),
+		async: false,
+		data: payload,
+		success: function (result) {
+			if (result.status === 'success') {
+				// Remove undo option, & remove user from table
+
+				//TODO: following line
+				dh.removeCallback(dh.oidToDelete);
+				dh.canceled = true;
+				console.log(dh.ajaxEndpoint);
+			} else {
+				OC.dialogs.alert(result.data.message, t('settings', 'Unable to delete ' + escapeHTML(dh.oidToDelete)));
+				dh.undoCallback(dh.oidToDelete);
+			}
+		}
+	});
+}
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