You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
nodebb/src/topics/unread.js

546 lines
14 KiB
JavaScript

'use strict';
var async = require('async');
var _ = require('lodash');
var db = require('../database');
var user = require('../user');
var posts = require('../posts');
var notifications = require('../notifications');
var categories = require('../categories');
var privileges = require('../privileges');
var meta = require('../meta');
var utils = require('../utils');
var plugins = require('../plugins');
module.exports = function (Topics) {
Topics.getTotalUnread = function (uid, filter, callback) {
if (!callback) {
callback = filter;
filter = '';
}
Topics.getUnreadTids({ cid: 0, uid: uid, count: true }, function (err, counts) {
callback(err, counts && counts[filter]);
});
};
Topics.getUnreadTopics = function (params, callback) {
var unreadTopics = {
showSelect: true,
nextStart: 0,
topics: [],
};
async.waterfall([
function (next) {
Topics.getUnreadTids(params, next);
},
function (tids, next) {
unreadTopics.topicCount = tids.length;
if (!tids.length) {
return next(null, []);
}
tids = tids.slice(params.start, params.stop !== -1 ? params.stop + 1 : undefined);
Topics.getTopicsByTids(tids, params.uid, next);
},
function (topicData, next) {
if (!topicData.length) {
return next(null, unreadTopics);
}
unreadTopics.topics = topicData;
unreadTopics.nextStart = params.stop + 1;
next(null, unreadTopics);
},
], callback);
};
Topics.unreadCutoff = function () {
var cutoff = parseInt(meta.config.unreadCutoff, 10) || 2;
return Date.now() - (cutoff * 86400000);
};
Topics.getUnreadTids = function (params, callback) {
var uid = parseInt(params.uid, 10);
var counts = {
'': 0,
new: 0,
watched: 0,
unreplied: 0,
};
if (uid <= 0) {
return callback(null, params.count ? counts : []);
}
params.filter = params.filter || '';
var cutoff = params.cutoff || Topics.unreadCutoff();
if (params.cid && !Array.isArray(params.cid)) {
params.cid = [params.cid];
}
async.waterfall([
function (next) {
async.parallel({
ignoredTids: function (next) {
user.getIgnoredTids(uid, 0, -1, next);
},
recentTids: function (next) {
db.getSortedSetRevRangeByScoreWithScores('topics:recent', 0, -1, '+inf', cutoff, next);
},
userScores: function (next) {
db.getSortedSetRevRangeByScoreWithScores('uid:' + uid + ':tids_read', 0, -1, '+inf', cutoff, next);
},
tids_unread: function (next) {
db.getSortedSetRevRangeWithScores('uid:' + uid + ':tids_unread', 0, -1, next);
},
}, next);
},
function (results, next) {
if (results.recentTids && !results.recentTids.length && !results.tids_unread.length) {
return callback(null, params.count ? counts : []);
}
filterTopics(params, results, next);
},
function (data, next) {
plugins.fireHook('filter:topics.getUnreadTids', {
uid: uid,
tids: data.tids,
counts: data.counts,
tidsByFilter: data.tidsByFilter,
cid: params.cid,
filter: params.filter,
}, next);
},
function (results, next) {
next(null, params.count ? results.counts : results.tids);
},
], callback);
};
function filterTopics(params, results, callback) {
const counts = {
'': 0,
new: 0,
watched: 0,
unreplied: 0,
};
const tidsByFilter = {
'': [],
new: [],
watched: [],
unreplied: [],
};
var userRead = {};
results.userScores.forEach(function (userItem) {
userRead[userItem.value] = userItem.score;
});
results.recentTids = results.recentTids.concat(results.tids_unread);
results.recentTids.sort(function (a, b) {
return b.score - a.score;
});
var tids = results.recentTids.filter(function (recentTopic) {
if (results.ignoredTids.includes(String(recentTopic.value))) {
return false;
}
return !userRead[recentTopic.value] || recentTopic.score > userRead[recentTopic.value];
});
tids = _.uniq(tids.map(topic => topic.value));
var cid = params.cid;
var uid = params.uid;
var cids;
var topicData;
var blockedUids;
tids = tids.slice(0, 200);
if (!tids.length) {
return callback(null, { counts: counts, tids: tids });
}
async.waterfall([
function (next) {
user.blocks.list(uid, next);
},
function (_blockedUids, next) {
blockedUids = _blockedUids;
filterTidsThatHaveBlockedPosts({
uid: uid,
tids: tids,
blockedUids: blockedUids,
recentTids: results.recentTids,
}, next);
},
function (_tids, next) {
tids = _tids;
Topics.getTopicsFields(tids, ['tid', 'cid', 'uid', 'postcount'], next);
},
function (_topicData, next) {
topicData = _topicData;
cids = _.uniq(topicData.map(topic => topic.cid)).filter(Boolean);
async.parallel({
isTopicsFollowed: function (next) {
db.sortedSetScores('uid:' + uid + ':followed_tids', tids, next);
},
ignoredCids: function (next) {
user.getIgnoredCategories(uid, next);
},
readableCids: function (next) {
privileges.categories.filterCids('read', cids, uid, next);
},
}, next);
},
function (results, next) {
cid = cid && cid.map(String);
results.readableCids = results.readableCids.map(String);
topicData.forEach(function (topic, index) {
function cidMatch(topicCid) {
return (!cid || (cid.length && cid.includes(String(topicCid)))) && results.readableCids.includes(String(topicCid));
}
if (topic && topic.cid && cidMatch(topic.cid) && !blockedUids.includes(parseInt(topic.uid, 10))) {
if ((results.isTopicsFollowed[index] || !results.ignoredCids.includes(String(topic.cid)))) {
counts[''] += 1;
tidsByFilter[''].push(topic.tid);
}
if (results.isTopicsFollowed[index]) {
counts.watched += 1;
tidsByFilter.watched.push(topic.tid);
}
if (parseInt(topic.postcount, 10) <= 1) {
counts.unreplied += 1;
tidsByFilter.unreplied.push(topic.tid);
}
if (!userRead[topic.tid]) {
counts.new += 1;
tidsByFilter.new.push(topic.tid);
}
}
});
next(null, {
counts: counts,
tids: tidsByFilter[params.filter],
tidsByFilter: tidsByFilter,
});
},
], callback);
}
function filterTidsThatHaveBlockedPosts(params, callback) {
if (!params.blockedUids.length) {
return setImmediate(callback, null, params.tids);
}
const topicScores = _.mapValues(_.keyBy(params.recentTids, 'value'), 'score');
db.sortedSetScores('uid:' + params.uid + ':tids_read', params.tids, function (err, results) {
if (err) {
return callback(err);
}
const userScores = _.zipObject(params.tids, results);
async.filter(params.tids, function (tid, next) {
doesTidHaveUnblockedUnreadPosts(tid, {
blockedUids: params.blockedUids,
topicTimestamp: topicScores[tid],
userLastReadTimestamp: userScores[tid],
}, next);
}, callback);
});
}
function doesTidHaveUnblockedUnreadPosts(tid, params, callback) {
var userLastReadTimestamp = params.userLastReadTimestamp;
if (!userLastReadTimestamp) {
return setImmediate(callback, null, true);
}
var start = 0;
var count = 3;
var done = false;
var hasUnblockedUnread = params.topicTimestamp > userLastReadTimestamp;
async.whilst(function () {
return !done;
}, function (_next) {
async.waterfall([
function (next) {
db.getSortedSetRangeByScore('tid:' + tid + ':posts', start, count, userLastReadTimestamp, '+inf', next);
},
function (pidsSinceLastVisit, next) {
if (!pidsSinceLastVisit.length) {
done = true;
return _next();
}
posts.getPostsFields(pidsSinceLastVisit, ['pid', 'uid'], next);
},
function (postData, next) {
postData = postData.filter(function (post) {
return !params.blockedUids.includes(parseInt(post.uid, 10));
});
done = postData.length > 0;
hasUnblockedUnread = postData.length > 0;
start += count;
next();
},
], _next);
}, function (err) {
callback(err, hasUnblockedUnread);
});
}
Topics.pushUnreadCount = function (uid, callback) {
callback = callback || function () {};
if (!uid || parseInt(uid, 10) === 0) {
return setImmediate(callback);
}
async.waterfall([
function (next) {
Topics.getUnreadTids({ uid: uid, count: true }, next);
},
function (results, next) {
require('../socket.io').in('uid_' + uid).emit('event:unread.updateCount', {
unreadTopicCount: results[''],
unreadNewTopicCount: results.new,
unreadWatchedTopicCount: results.watched,
unreadUnrepliedTopicCount: results.unreplied,
});
setImmediate(next);
},
], callback);
};
Topics.markAsUnreadForAll = function (tid, callback) {
Topics.markCategoryUnreadForAll(tid, callback);
};
Topics.markAsRead = function (tids, uid, callback) {
callback = callback || function () {};
if (!Array.isArray(tids) || !tids.length) {
return setImmediate(callback, null, false);
}
tids = _.uniq(tids).filter(function (tid) {
return tid && utils.isNumber(tid);
});
if (!tids.length) {
return setImmediate(callback, null, false);
}
async.waterfall([
function (next) {
async.parallel({
topicScores: async.apply(db.sortedSetScores, 'topics:recent', tids),
userScores: async.apply(db.sortedSetScores, 'uid:' + uid + ':tids_read', tids),
}, next);
},
function (results, next) {
tids = tids.filter(function (tid, index) {
return results.topicScores[index] && (!results.userScores[index] || results.userScores[index] < results.topicScores[index]);
});
if (!tids.length) {
return callback(null, false);
}
var now = Date.now();
var scores = tids.map(function () {
return now;
});
async.parallel({
markRead: async.apply(db.sortedSetAdd, 'uid:' + uid + ':tids_read', scores, tids),
markUnread: async.apply(db.sortedSetRemove, 'uid:' + uid + ':tids_unread', tids),
topicData: async.apply(Topics.getTopicsFields, tids, ['cid']),
}, next);
},
function (results, next) {
var cids = results.topicData.map(function (topic) {
return topic && topic.cid;
}).filter(Boolean);
cids = _.uniq(cids);
categories.markAsRead(cids, uid, next);
},
function (next) {
plugins.fireHook('action:topics.markAsRead', { uid: uid, tids: tids });
next(null, true);
},
], callback);
};
Topics.markAllRead = function (uid, callback) {
async.waterfall([
function (next) {
db.getSortedSetRevRangeByScore('topics:recent', 0, -1, '+inf', Topics.unreadCutoff(), next);
},
function (tids, next) {
Topics.markTopicNotificationsRead(tids, uid);
Topics.markAsRead(tids, uid, next);
},
function (markedRead, next) {
db.delete('uid:' + uid + ':tids_unread', next);
},
], callback);
};
Topics.markTopicNotificationsRead = function (tids, uid, callback) {
callback = callback || function () {};
if (!Array.isArray(tids) || !tids.length) {
return callback();
}
async.waterfall([
function (next) {
user.notifications.getUnreadByField(uid, 'tid', tids, next);
},
function (nids, next) {
notifications.markReadMultiple(nids, uid, next);
},
function (next) {
user.notifications.pushCount(uid);
next();
},
], callback);
};
Topics.markCategoryUnreadForAll = function (tid, callback) {
async.waterfall([
function (next) {
Topics.getTopicField(tid, 'cid', next);
},
function (cid, next) {
categories.markAsUnreadForAll(cid, next);
},
], callback);
};
Topics.hasReadTopics = function (tids, uid, callback) {
if (!parseInt(uid, 10)) {
return callback(null, tids.map(function () {
return false;
}));
}
async.waterfall([
function (next) {
async.parallel({
topicScores: function (next) {
db.sortedSetScores('topics:recent', tids, next);
},
userScores: function (next) {
db.sortedSetScores('uid:' + uid + ':tids_read', tids, next);
},
tids_unread: function (next) {
db.sortedSetScores('uid:' + uid + ':tids_unread', tids, next);
},
blockedUids: function (next) {
user.blocks.list(uid, next);
},
}, next);
},
function (results, next) {
var cutoff = Topics.unreadCutoff();
var result = tids.map(function (tid, index) {
var read = !results.tids_unread[index] &&
(results.topicScores[index] < cutoff ||
!!(results.userScores[index] && results.userScores[index] >= results.topicScores[index]));
return { tid: tid, read: read, index: index };
});
async.map(result, function (data, next) {
if (data.read) {
return next(null, true);
}
doesTidHaveUnblockedUnreadPosts(data.tid, {
topicTimestamp: results.topicScores[data.index],
userLastReadTimestamp: results.userScores[data.index],
blockedUids: results.blockedUids,
}, function (err, hasUnblockedUnread) {
if (err) {
return next(err);
}
if (!hasUnblockedUnread) {
data.read = true;
}
next(null, data.read);
});
}, next);
},
], callback);
};
Topics.hasReadTopic = function (tid, uid, callback) {
Topics.hasReadTopics([tid], uid, function (err, hasRead) {
callback(err, Array.isArray(hasRead) && hasRead.length ? hasRead[0] : false);
});
};
Topics.markUnread = function (tid, uid, callback) {
async.waterfall([
function (next) {
Topics.exists(tid, next);
},
function (exists, next) {
if (!exists) {
return next(new Error('[[error:no-topic]]'));
}
db.sortedSetRemove('uid:' + uid + ':tids_read', tid, next);
},
function (next) {
db.sortedSetAdd('uid:' + uid + ':tids_unread', Date.now(), tid, next);
},
], callback);
};
Topics.filterNewTids = function (tids, uid, callback) {
async.waterfall([
function (next) {
db.sortedSetScores('uid:' + uid + ':tids_read', tids, next);
},
function (scores, next) {
tids = tids.filter(function (tid, index) {
return tid && !scores[index];
});
next(null, tids);
},
], callback);
};
Topics.filterUnrepliedTids = function (tids, callback) {
async.waterfall([
function (next) {
db.sortedSetScores('topics:posts', tids, next);
},
function (scores, next) {
tids = tids.filter(function (tid, index) {
return tid && scores[index] <= 1;
});
next(null, tids);
},
], callback);
};
};