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Code Issues Packages Projects Releases Wiki Activity

#2095

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This commit is contained in:
barisusakli
2014-09-16 21:43:11 -04:00
parent aae7f2434d
commit b48d81310c
5 changed files with 93 additions and 75 deletions
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61
src/batch.js Normal file
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@@ -0,0 +1,61 @@
'use strict';
var async = require('async'),
db = require('./database'),
utils = require('../public/src/utils');
(function(Batch) {
var DEFAULT_BATCH_SIZE = 100;
Batch.processSortedSet = function(setKey, process, options, callback) {
if (typeof options === 'function') {
callback = options;
options = {};
}
callback = typeof callback === 'function' ? callback : function(){};
options = options || {};
if (typeof process !== 'function') {
return callback(new Error('[[error:process-not-a-function]]'));
}
// custom done condition
options.doneIf = typeof options.doneIf === 'function' ? options.doneIf : function(){};
var batch = options.batch || DEFAULT_BATCH_SIZE;
var start = 0;
var end = batch;
var done = false;
async.whilst(
function() {
return !done;
},
function(next) {
db.getSortedSetRange(setKey, start, end, function(err, ids) {
if (err) {
return next(err);
}
if (!ids.length || options.doneIf(start, end, ids)) {
done = true;
return next();
}
process(err, ids, function(err) {
if (err) {
return next(err);
}
start += utils.isNumber(options.alwaysStartAt) ? options.alwaysStartAt : batch + 1;
end = start + batch;
next();
});
});
},
callback
);
};
}(exports));

22
src/categories/delete.js
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@@ -2,27 +2,23 @@
var async = require('async'),
db = require('../database'),
batch = require('../batch'),
threadTools = require('../threadTools');
module.exports = function(Categories) {
Categories.purge = function(cid, callback) {
Categories.getTopicIds(cid, 0, -1, function(err, tids) {
batch.processSortedSet('categories:' + cid + ':tid', function(err, tids, next) {
if (err) {
return callback(err);
}
async.eachLimit(tids, 10, function(tid, next) {
threadTools.purge(tid, 0, next);
}, function(err) {
if (err) {
return callback(err);
}
purgeCategory(cid, callback);
});
}, next);
}, {alwaysStartAt: 0}, function(err) {
purgeCategory(cid, callback);
});
};
@@ -32,13 +28,7 @@ module.exports = function(Categories) {
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);
db.deleteAll(['categories:' + cid + ':tid', 'categories:recent_posts:cid:' + cid, 'category:' + cid], next);
}
], callback);
}

24
src/posts/delete.js
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@@ -40,17 +40,11 @@ module.exports = function(Posts) {
return callback(err);
}
async.parallel([
function(next) {
db.sortedSetRemove('tid:' + postData.tid + ':posts', pid, next);
},
function(next) {
db.sortedSetRemove('tid:' + postData.tid + ':posts:votes', pid, next);
},
function(next) {
db.sortedSetRemove('uid:' + postData.uid + ':posts', pid, next);
}
], function(err) {
db.sortedSetsRemove([
'tid:' + postData.tid + ':posts',
'tid:' + postData.tid + ':posts:votes',
'uid:' + postData.uid + ':posts'
], pid, function(err) {
if (err) {
return callback(err);
}
@@ -101,7 +95,7 @@ module.exports = function(Posts) {
}
var sets = uids.map(function(uid) {
return 'uid:' + uid + ':favourites'
return 'uid:' + uid + ':favourites';
});
db.sortedSetsRemove(sets, pid, function(err) {
@@ -143,14 +137,10 @@ module.exports = function(Posts) {
db.sortedSetsRemove(downvoterSets, pid, next);
},
function(next) {
db.delete('pid:' + pid + ':upvote', next);
},
function(next) {
db.delete('pid:' + pid + ':downvote', next);
db.deleteAll(['pid:' + pid + ':upvote', 'pid:' + pid + ':downvote'], next);
}
], callback);
});
}
};

31
src/threadTools.js
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@@ -13,7 +13,8 @@ var winston = require('winston'),
meta = require('./meta'),
websockets = require('./socket.io'),
events = require('./events'),
plugins = require('./plugins');
plugins = require('./plugins'),
batch = require('./batch');
(function(ThreadTools) {
@@ -71,26 +72,24 @@ var winston = require('winston'),
}
ThreadTools.purge = function(tid, uid, callback) {
async.parallel({
topic: function(next) {
topics.getTopicFields(tid, ['cid'], next);
},
pids: function(next) {
topics.getPids(tid, next);
}
}, function(err, results) {
batch.processSortedSet('tid:' + tid + ':posts', function(err, pids, next) {
async.eachLimit(pids, 10, posts.purge, next);
}, {alwaysStartAt: 0}, function(err) {
if (err) {
return callback(err);
}
async.parallel([
function(next) {
async.eachLimit(results.pids, 10, posts.purge, next);
},
function(next) {
topics.purge(tid, next);
topics.getTopicField(tid, 'mainPid', function(err, mainPid) {
if (err) {
return callback(err);
}
], callback);
posts.purge(mainPid, function(err) {
if (err) {
return callback(err);
}
topics.purge(tid, callback);
});
});
});
};

30
src/topics/delete.js
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@@ -44,10 +44,7 @@ module.exports = function(Topics) {
Topics.removeRecent(tid, next);
},
function(next) {
db.sortedSetRemove('topics:posts', tid, next);
},
function(next) {
db.sortedSetRemove('topics:views', tid, next);
db.sortedSetsRemove(['topics:posts', 'topics:views'], tid, next);
}
], function(err) {
if (err) {
@@ -90,22 +87,10 @@ module.exports = function(Topics) {
Topics.purge = function(tid, callback) {
async.parallel([
function(next) {
db.delete('tid:' + tid + ':followers', next);
db.deleteAll(['tid:' + tid + ':followers', 'tid:' + tid + ':read_by_uid'], next);
},
function(next) {
db.delete('tid:' + tid + ':read_by_uid', next);
},
function(next) {
db.sortedSetRemove('topics:tid', tid, next);
},
function(next) {
Topics.removeRecent(tid, next);
},
function(next) {
db.sortedSetRemove('topics:posts', tid, next);
},
function(next) {
db.sortedSetRemove('topics:views', tid, next);
db.sortedSetsRemove(['topics:tid', 'topics:recent', 'topics:posts', 'topics:views'], tid, next);
},
function(next) {
deleteTopicFromCategoryAndUser(tid, next);
@@ -128,14 +113,7 @@ module.exports = function(Topics) {
return callback(err);
}
async.parallel([
function(next) {
db.sortedSetRemove('categories:' + topicData.cid + ':tid', tid, next);
},
function(next) {
db.sortedSetRemove('uid:' + topicData.uid + ':topics', tid, next);
}
], function(err) {
db.sortedSetsRemove(['categories:' + topicData.cid + ':tid', 'uid:' + topicData.uid + ':topics'], tid, function(err) {
if (err) {
return callback(err);
}