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store teaserPid in topic

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-update teaser pid as necessary in addPostToTopic, removePostFromTopic,
post purge
-removed 20x db calls from getTeasers
-fixed scroll to post in sub folder install
-upgrade script to update topics with teaserPid
This commit is contained in:
barisusakli
2014-12-12 18:52:37 -05:00
parent 0cb0dafae3
commit 2c7d9e1a7c
5 changed files with 102 additions and 85 deletions
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70
src/topics/teaser.js
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@@ -17,29 +17,21 @@ module.exports = function(Topics) {
return callback(null, []);
}
async.parallel({
topics: function(next) {
Topics.getTopicsFields(tids, ['postcount'], next);
},
pids: function(next) {
async.map(tids, function(tid, next) {
db.getSortedSetRevRange('tid:' + tid + ':posts', 0, 0, function(err, data) {
next(err, Array.isArray(data) && data.length ? data[0] : null);
});
}, next);
}
}, function(err, results) {
Topics.getTopicsFields(tids, ['postcount', 'teaserPid'], function(err, topics) {
if (err) {
return callback(err);
}
var counts = [];
var teaserPids = [];
var counts = results.topics.map(function(topic) {
return topic && (parseInt(topic.postcount, 10) || 0);
topics.forEach(function(topic) {
counts.push(topic && (parseInt(topic.postcount, 10) || 0));
if (topic && topic.teaserPid) {
teaserPids.push(topic.teaserPid);
}
});
results.pids = results.pids.filter(Boolean);
posts.getPostsFields(results.pids, ['pid', 'uid', 'timestamp', 'tid'], function(err, postData) {
posts.getPostsFields(teaserPids, ['pid', 'uid', 'timestamp', 'tid'], function(err, postData) {
if (err) {
return callback(err);
}
@@ -81,42 +73,18 @@ module.exports = function(Topics) {
};
Topics.getTeaser = function(tid, callback) {
Topics.getLatestUndeletedPid(tid, function(err, pid) {
if (err || !pid) {
Topics.getTeasers([tid], function(err, teasers) {
callback(err, Array.isArray(teasers) && teasers.length ? teasers[0] : null);
});
};
Topics.updateTeaser = function(tid, callback) {
db.getSortedSetRevRange('tid:' + tid + ':posts', 0, 0, function(err, pids) {
if (err) {
return callback(err);
}
async.parallel({
postData: function(next) {
posts.getPostFields(pid, ['pid', 'uid', 'timestamp'], function(err, postData) {
if (err) {
return next(err);
} else if(!postData || !utils.isNumber(postData.uid)) {
return callback();
}
user.getUserFields(postData.uid, ['username', 'userslug', 'picture'], function(err, userData) {
if (err) {
return next(err);
}
postData.user = userData;
next(null, postData);
});
});
},
postCount: function(next) {
Topics.getTopicField(tid, 'post_count', next);
}
}, function(err, results) {
if (err) {
return callback(err);
}
results.postData.timestamp = utils.toISOString(results.postData.timestamp);
results.postData.index = results.postCount;
callback(null, results.postData);
});
var pid = Array.isArray(pids) && pids.length ? pids[0] : null;
Topics.setTopicField(tid, 'teaserPid', pid, callback);
});
};
};