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107 lines
2.8 KiB
JavaScript
107 lines
2.8 KiB
JavaScript
'use strict';
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var async = require('async');
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var db = require('../database');
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var batch = require('../batch');
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var plugins = require('../plugins');
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var topics = require('../topics');
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var groups = require('../groups');
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var privileges = require('../privileges');
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module.exports = function (Categories) {
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Categories.purge = function (cid, uid, callback) {
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async.waterfall([
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function (next) {
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batch.processSortedSet('cid:' + cid + ':tids', function (tids, next) {
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async.eachLimit(tids, 10, function (tid, next) {
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topics.purgePostsAndTopic(tid, uid, next);
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}, next);
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}, { alwaysStartAt: 0 }, next);
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},
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function (next) {
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db.getSortedSetRevRange('cid:' + cid + ':tids:pinned', 0, -1, next);
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},
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function (pinnedTids, next) {
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async.eachLimit(pinnedTids, 10, function (tid, next) {
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topics.purgePostsAndTopic(tid, uid, next);
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}, next);
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},
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function (next) {
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purgeCategory(cid, next);
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},
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function (next) {
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plugins.fireHook('action:category.delete', { cid: cid, uid: uid });
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next();
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},
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], callback);
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};
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function purgeCategory(cid, callback) {
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async.series([
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function (next) {
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db.sortedSetRemove('categories:cid', cid, next);
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},
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function (next) {
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removeFromParent(cid, next);
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},
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function (next) {
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db.deleteAll([
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'cid:' + cid + ':tids',
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'cid:' + cid + ':tids:pinned',
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'cid:' + cid + ':tids:posts',
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'cid:' + cid + ':pids',
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'cid:' + cid + ':read_by_uid',
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'cid:' + cid + ':ignorers',
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'cid:' + cid + ':children',
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'cid:' + cid + ':tag:whitelist',
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'category:' + cid,
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], next);
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},
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function (next) {
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async.eachSeries(privileges.privilegeList, function (privilege, next) {
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groups.destroy('cid:' + cid + ':privileges:' + privilege, next);
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}, next);
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},
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], function (err) {
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callback(err);
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});
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}
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function removeFromParent(cid, callback) {
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async.waterfall([
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function (next) {
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async.parallel({
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parentCid: function (next) {
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Categories.getCategoryField(cid, 'parentCid', next);
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},
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children: function (next) {
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db.getSortedSetRange('cid:' + cid + ':children', 0, -1, next);
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},
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}, next);
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},
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function (results, next) {
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async.parallel([
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function (next) {
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results.parentCid = parseInt(results.parentCid, 10) || 0;
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db.sortedSetRemove('cid:' + results.parentCid + ':children', cid, next);
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},
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function (next) {
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async.each(results.children, function (cid, next) {
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async.parallel([
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function (next) {
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db.setObjectField('category:' + cid, 'parentCid', 0, next);
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},
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function (next) {
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db.sortedSetAdd('cid:0:children', cid, cid, next);
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},
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], next);
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}, next);
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},
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], next);
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},
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], function (err) {
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callback(err);
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});
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}
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};
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