closes #4795

public/src/admin/manage/tags.js

@@ -1,5 +1,5 @@
 "use strict";
-/*global define, socket, app, utils, bootbox*/
+/*global define, socket, app, utils, bootbox, ajaxify*/
 
 define('admin/manage/tags', [
 	'forum/infinitescroll',
@@ -12,11 +12,47 @@ define('admin/manage/tags', [
 	Tags.init = function() {
 		selectable.enable('.tag-management', '.tag-row');
 
+		handleCreate();
 		handleSearch();
 		handleModify();
 		handleDeleteSelected();
 	};
 
+	function handleCreate() {
+		var createModal = $('#create-modal');
+		var createTagName = $('#create-tag-name');
+		var createModalGo = $('#create-modal-go');
+
+		createModal.on('keypress', function(e) {
+			if (e.keyCode === 13) {
+				createModalGo.click();
+			}
+		});
+
+		$('#create').on('click', function() {
+			createModal.modal('show');
+			setTimeout(function() {
+				createTagName.focus();
+			}, 250);
+		});
+
+		createModalGo.on('click', function() {
+			socket.emit('admin.tags.create', {
+				tag: createTagName.val()
+			}, function(err) {
+				if (err) {
+					return app.alertError(err.message);
+				}
+
+				createTagName.val('');
+				createModal.on('hidden.bs.modal', function() {
+					ajaxify.refresh();
+				});
+				createModal.modal('hide');
+			});
+		});
+	}
+
 	function handleSearch() {
 		$('#tag-search').on('input propertychange', function() {
 			if (timeoutId) {

src/controllers/tags.js

@@ -44,7 +44,6 @@ tagsController.getTag = function(req, res, next) {
 		},
 		function (results, next) {
 			if (Array.isArray(results.tids) && !results.tids.length) {
-				topics.deleteTag(req.params.tag);
 				return res.render('tag', templateData);
 			}
 			topicCount = results.topicCount;

src/database/mongo/sorted.js

@@ -1,6 +1,7 @@
 "use strict";
 
 var async = require('async');
+var utils = require('../../../public/src/utils');
 
 module.exports = function(db, module) {
 	var helpers = module.helpers.mongo;
@@ -381,12 +382,12 @@ module.exports = function(db, module) {
 				map[item.value] = item.score;
 			});
 
-			var	returnData = new Array(values.length),
-				score;
+			var returnData = new Array(values.length);
+			var score;
 
 			for(var i=0; i<values.length; ++i) {
 				score = map[values[i]];
-				returnData[i] = score ? score : null;
+				returnData[i] = utils.isNumber(score) ? score : null;
 			}
 
 			callback(null, returnData);

src/socket.io/admin/tags.js

@@ -1,7 +1,15 @@
 "use strict";
 
-var topics = require('../../topics'),
-	Tags = {};
+var topics = require('../../topics');
+var Tags = {};
+
+Tags.create = function(socket, data, callback) {
+	if (!data) {
+		return callback(new Error('[[error:invalid-data]]'));
+	}
+
+	topics.createEmptyTag(data.tag, callback);
+};
 
 Tags.update = function(socket, data, callback) {
 	if (!data) {

src/topics/tags.js

@@ -48,6 +48,29 @@ module.exports = function(Topics) {
 		], callback);
 	};
 
+	Topics.createEmptyTag = function(tag, callback) {
+		if (!tag) {
+			return callback(new Error('[[error:invalid-tag]]'));
+		}
+
+		tag = utils.cleanUpTag(tag, meta.config.maximumTagLength);
+		if (tag.length < (meta.config.minimumTagLength || 3)) {
+			return callback(new Error('[[error:tag-too-short]]'));
+		}
+
+		async.waterfall([
+			function(next) {
+				db.isSortedSetMember('tags:topic:count', tag, next);
+			},
+			function(isMember, next) {
+				if (isMember) {
+					return callback(new Error('[[error:tag-exists]]'));
+				}
+				db.sortedSetAdd('tags:topic:count', 0, tag, next);
+			}
+		], callback);
+	};
+
 	Topics.updateTag = function(tag, data, callback) {
 		db.setObject('tag:' + tag, data, callback);
 	};
@@ -233,7 +256,7 @@ module.exports = function(Topics) {
 						updateTagCount(tag, next);
 					}, next);
 				}
-			], function(err, results) {
+			], function(err) {
 				callback(err);
 			});
 		});
@@ -317,7 +340,7 @@ module.exports = function(Topics) {
 		}
 
 		var maximumTopics = parseInt(meta.config.maximumRelatedTopics, 10) || 0;
-		if (maximumTopics === 0 || !topicData.tags.length) {
+		if (maximumTopics === 0 || !topicData.tags || !topicData.tags.length) {
 			return callback(null, []);
 		}
 

src/views/admin/manage/tags.tpl

@@ -32,9 +32,10 @@
 
 	<div class="col-lg-3 acp-sidebar">
 		<div class="panel panel-default">
-			<div class="panel-heading">Modify Tag</div>
+			<div class="panel-heading">Create & Modify Tags</div>
 			<div class="panel-body">
 				<p>Select tags via clicking and/or dragging, use shift to select multiple.</p>
+				<button class="btn btn-primary btn-block" id="create">Create Tag</button>
 				<button class="btn btn-primary btn-block" id="modify">Modify Tags</button>
 				<button class="btn btn-warning btn-block" id="deleteSelected">Delete Tags</button>
 			</div>
@@ -48,4 +49,26 @@
 		</div>
 	</div>
 
+	<div class="modal fade" id="create-modal">
+		<div class="modal-dialog">
+			<div class="modal-content">
+				<div class="modal-header">
+					<button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
+					<h4 class="modal-title">Create Tag</h4>
+				</div>
+				<div class="modal-body">
+					<form>
+						<div class="form-group">
+							<label for="create-tag-name">Tag Name</label>
+							<input type="text" class="form-control" id="create-tag-name" placeholder="Tag Name" />
+						</div>
+					</form>
+				</div>
+				<div class="modal-footer">
+					<button type="button" class="btn btn-primary" id="create-modal-go">Create</button>
+				</div>
+			</div>
+		</div>
+	</div>
+
 </div>

tests/database/sorted.js

@@ -336,6 +336,18 @@ describe('Sorted Set methods', function() {
 	});
 
 	describe('sortedSetScores()', function() {
+		before(function(done) {
+			db.sortedSetAdd('zeroScore', 0, 'value1', done);
+		});
+
+		it('should return 0 if score is 0', function(done) {
+			db.sortedSetScores('zeroScore', ['value1'], function(err, scores) {
+				assert.ifError(err);
+				assert.equal(0, scores[0]);
+				done();
+			});
+		});
+
 		it('should return the scores of value in sorted sets', function(done) {
 			db.sortedSetScores('sortedSetTest1', ['value2', 'value1', 'doesnotexist'], function(err, scores) {
 				assert.equal(err, null);