socketio/posts socketio/topics refactor

2025-11-06 05:55:48 +01:00 · 2015-09-25 15:09:25 -04:00
parent 04db07ed33
commit e2896ef6b9
13 changed files with 893 additions and 800 deletions
--- a/src/socket.io/topics/infinitescroll.js
+++ b/src/socket.io/topics/infinitescroll.js
@@ -0,0 +1,109 @@
+'use strict';
+
+var async = require('async');
+var user = require('../../user');
+var topics = require('../../topics');
+var privileges = require('../../privileges');
+var meta = require('../../meta');
+var utils = require('../../../public/src/utils');
+
+module.exports = function(SocketTopics) {
+
+	SocketTopics.loadMore = function(socket, data, callback) {
+		if (!data || !data.tid || !utils.isNumber(data.after) || parseInt(data.after, 10) < 0)  {
+			return callback(new Error('[[error:invalid-data]]'));
+		}
+
+		async.parallel({
+			settings: function(next) {
+				user.getSettings(socket.uid, next);
+			},
+			privileges: function(next) {
+				privileges.topics.get(data.tid, socket.uid, next);
+			},
+			topic: function(next) {
+				topics.getTopicFields(data.tid, ['postcount', 'deleted'], next);
+			}
+		}, function(err, results) {
+			if (err) {
+				return callback(err);
+			}
+
+			if (!results.privileges.read || (parseInt(results.topic.deleted, 10) && !results.privileges.view_deleted)) {
+				return callback(new Error('[[error:no-privileges]]'));
+			}
+
+			var set = 'tid:' + data.tid + ':posts';
+			var reverse = results.settings.topicPostSort === 'newest_to_oldest' || results.settings.topicPostSort === 'most_votes';
+			var start = Math.max(0, parseInt(data.after, 10));
+
+			var infScrollPostsPerPage = 10;
+
+			if (data.direction === -1) {
+				start = start - (reverse ? -infScrollPostsPerPage : infScrollPostsPerPage);
+			}
+
+			if (reverse) {
+				start = results.topic.postcount - 1 - start;
+				if (results.settings.topicPostSort === 'most_votes') {
+					set = 'tid:' + data.tid + ':posts:votes';
+				}
+			}
+
+			var stop = start + (infScrollPostsPerPage - 1);
+
+			start = Math.max(0, start);
+			stop = Math.max(0, stop);
+
+			async.parallel({
+				mainPost: function(next) {
+					if (start > 0) {
+						return next();
+					}
+					topics.getMainPost(data.tid, socket.uid, next);
+				},
+				posts: function(next) {
+					topics.getTopicPosts(data.tid, set, start, stop, socket.uid, reverse, next);
+				},
+				privileges: function(next) {
+					next(null, results.privileges);
+				},
+				'reputation:disabled': function(next) {
+					next(null, parseInt(meta.config['reputation:disabled'], 10) === 1);
+				},
+				'downvote:disabled': function(next) {
+					next(null, parseInt(meta.config['downvote:disabled'], 10) === 1);
+				}
+			}, function(err, results) {
+				if (results.mainPost) {
+					results.posts = [results.mainPost].concat(results.posts);
+				}
+
+				callback(err, results);
+			});
+		});
+	};
+
+	SocketTopics.loadMoreUnreadTopics = function(socket, data, callback) {
+		if (!data || !data.after) {
+			return callback(new Error('[[error:invalid-data]]'));
+		}
+
+		var start = parseInt(data.after, 10),
+			stop = start + 9;
+
+		topics.getUnreadTopics(data.cid, socket.uid, start, stop, callback);
+	};
+
+	SocketTopics.loadMoreFromSet = function(socket, data, callback) {
+		if (!data || !data.after || !data.set) {
+			return callback(new Error('[[error:invalid-data]]'));
+		}
+
+		var start = parseInt(data.after, 10),
+			stop = start + 9;
+
+		topics.getTopicsFromSet(data.set, socket.uid, start, stop, callback);
+	};
+
+};