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Chat message soft deletion -- closes #6181

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Squashed commit of the following:

commit f84c06bdcc45f24ef7ffde6a8f33b48d8f97fc36
Author: Julian Lam <julian@nodebb.org>
Date:   Mon Dec 18 14:42:47 2017 -0500

    added restore handler for chat messages

commit 725cd370c6ea1e8f4a28298350f3dc024d4e668e
Author: Julian Lam <julian@nodebb.org>
Date:   Mon Dec 18 14:23:52 2017 -0500

    backend logic and testing complete for deletion and restoration of chat messages

commit 072da758319cc93fa4c6f8bc0d672a1b716dc06e
Author: Julian Lam <julian@nodebb.org>
Date:   Mon Dec 18 13:52:35 2017 -0500

    changing message delete logic to not remove mids, but to filter when retrieving

commit 68bf373305ab82737658a7c31dc5549af4d6d69f
Author: Julian Lam <julian@nodebb.org>
Date:   Mon Dec 18 12:37:58 2017 -0500

    logic to handle deletion of a deleted chat message -- added some failing tests

commit 6899d0d234fa752e227188aa69cfcabd0d0500cc
Author: Julian Lam <julian@nodebb.org>
Date:   Mon Dec 18 11:35:36 2017 -0500

    chat message deletion logic
This commit is contained in:
Julian Lam
2017-12-18 14:45:06 -05:00
parent 541aa7fbc6
commit 82a95a03be
9 changed files with 142 additions and 35 deletions
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31
src/messaging/delete.js
View File

@@ -1,25 +1,30 @@
'use strict';
var async = require('async');
var db = require('../database');
module.exports = function (Messaging) {
Messaging.deleteMessage = function (mid, roomId, callback) {
async.waterfall([
function (next) {
Messaging.getUidsInRoom(roomId, 0, -1, next);
},
function (uids, next) {
if (!uids.length) {
return next();
async.apply(Messaging.getMessageField, mid, 'deleted'),
function (deleted, next) {
if (parseInt(deleted, 10)) {
return next(new Error('[[error:chat-deleted-already]]'));
}
var keys = uids.map(function (uid) {
return 'uid:' + uid + ':chat:room:' + roomId + ':mids';
});
db.sortedSetsRemove(keys, mid, next);
Messaging.setMessageField(mid, 'deleted', 1, next);
},
function (next) {
db.delete('message:' + mid, next);
], callback);
};
Messaging.restoreMessage = function (mid, roomId, callback) {
async.waterfall([
async.apply(Messaging.getMessageField, mid, 'deleted'),
function (deleted, next) {
if (!parseInt(deleted, 10)) {
return next(new Error('[[error:chat-restored-already]]'));
}
Messaging.setMessageField(mid, 'deleted', 0, next);
},
], callback);
};