From 4fa79dc8217386c1e4a71ac7d0d3f784981d973f Mon Sep 17 00:00:00 2001
From: barisusakli <barisusakli@gmail.com>
Date: Tue, 10 Jun 2014 17:48:48 -0400
Subject: [PATCH] closes #1281

category purge, deletes all topics and posts in the category
---
 public/src/forum/admin/categories.js | 17 +++++++++++
 src/categories.js                    |  1 +
 src/categories/delete.js             | 45 ++++++++++++++++++++++++++++
 src/socket.io/admin/categories.js    |  9 ++++--
 4 files changed, 70 insertions(+), 2 deletions(-)
 create mode 100644 src/categories/delete.js

diff --git a/public/src/forum/admin/categories.js b/public/src/forum/admin/categories.js
index 3c85a969d7..887ddabee7 100644
--- a/public/src/forum/admin/categories.js
+++ b/public/src/forum/admin/categories.js
@@ -216,6 +216,23 @@ define('forum/admin/categories', ['uploader'], function(uploader) {
 			$('[data-name="bgColor"], [data-name="color"]').each(enableColorPicker);
 
 			$('.admin-categories').on('click', '.save', save);
+			$('.admin-categories').on('click', '.purge', function() {
+				var categoryRow = $(this).parents('li[data-cid]');
+				var	cid = categoryRow.attr('data-cid');
+
+				bootbox.confirm('Do you really want to purge this category "' + categoryRow.find('#cid-' + cid + '-name').val() + '"?<br/><strong class="text-danger">Warning!</strong> All topics and posts in this category will be purged!', function(confirm) {
+					if (!confirm) {
+						return;
+					}
+					socket.emit('admin.categories.purge', cid, function(err) {
+						if (err) {
+							return app.alertError(err.message);
+						}
+						app.alertSuccess('Category purged!');
+						categoryRow.remove();
+					});
+				});
+			});
 
 			// Permissions modal
 			$('.admin-categories').on('click', '.permissions', function() {
diff --git a/src/categories.js b/src/categories.js
index 86b4f95ec8..10ff73f894 100644
--- a/src/categories.js
+++ b/src/categories.js
@@ -19,6 +19,7 @@ var db = require('./database'),
 
 (function(Categories) {
 
+	require('./categories/delete')(Categories);
 	require('./categories/activeusers')(Categories);
 	require('./categories/recentreplies')(Categories);
 	require('./categories/update')(Categories);
diff --git a/src/categories/delete.js b/src/categories/delete.js
new file mode 100644
index 0000000000..8c4c0520f8
--- /dev/null
+++ b/src/categories/delete.js
@@ -0,0 +1,45 @@
+'use strict';
+
+var async = require('async'),
+	db = require('../database'),
+	threadTools = require('../threadTools');
+
+
+module.exports = function(Categories) {
+
+	Categories.purge = function(cid, callback) {
+
+		Categories.getTopicIds(cid, 0, -1, function(err, tids) {
+			if (err) {
+				return callback(err);
+			}
+
+			async.each(tids, function(tid, next) {
+				threadTools.purge(tid, 0, next);
+			}, function(err) {
+				if (err) {
+					return callback(err);
+				}
+
+				purgeCategory(cid, callback);
+			});
+		});
+	};
+
+	function purgeCategory(cid, callback) {
+		async.parallel([
+			function(next) {
+				db.sortedSetRemove('categories:cid', cid, next);
+			},
+			function(next) {
+				db.delete('categories:' + cid + ':tid', next);
+			},
+			function(next) {
+				db.delete('categories:recent_posts:cid:' + cid, next);
+			},
+			function(next) {
+				db.delete('category:' + cid, next);
+			}
+		], callback);
+	}
+};
\ No newline at end of file
diff --git a/src/socket.io/admin/categories.js b/src/socket.io/admin/categories.js
index 86e913af37..a17779cfae 100644
--- a/src/socket.io/admin/categories.js
+++ b/src/socket.io/admin/categories.js
@@ -1,10 +1,11 @@
 "use strict";
 
-var groups = require('../../groups'),
+var async = require('async'),
+
+	groups = require('../../groups'),
 	user = require('../../user'),
 	categories = require('../../categories'),
 	privileges = require('../../privileges'),
-	async = require('async'),
 	Categories = {};
 
 Categories.create = function(socket, data, callback) {
@@ -15,6 +16,10 @@ Categories.create = function(socket, data, callback) {
 	categories.create(data, callback);
 };
 
+Categories.purge = function(socket, cid, callback) {
+	categories.purge(cid, callback);
+};
+
 Categories.update = function(socket, data, callback) {
 	if(!data) {
 		return callback(new Error('[[error:invalid-data]]'));