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A guard to prevent infinite loops in fetching of conversation

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This commit is contained in:
Scott Nonnenberg 2017-05-24 14:16:34 -07:00
parent 66b19d5cf7
commit 2c81539042
1 changed files with 5 additions and 0 deletions
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5
js/models/messages.js
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@ -541,6 +541,7 @@
if (typeof unreadCount !== 'number') { if (typeof unreadCount !== 'number') {
unreadCount = 0; unreadCount = 0;
} }
var startingLoadedUnread = this.getLoadedUnreadCount();
return new Promise(function(resolve) { return new Promise(function(resolve) {
var upper; var upper;
if (this.length === 0) { if (this.length === 0) {
@ -563,6 +564,10 @@
this.fetch(options).then(resolve); this.fetch(options).then(resolve);
}.bind(this)).then(function() { }.bind(this)).then(function() {
var loadedUnread = this.getLoadedUnreadCount(); var loadedUnread = this.getLoadedUnreadCount();
if (startingLoadedUnread === loadedUnread) {
// that fetch didn't get us any more unread. stop fetching more.
return;
}
if (loadedUnread < unreadCount) { if (loadedUnread < unreadCount) {
return this.fetchConversation(conversationId, limit, unreadCount); return this.fetchConversation(conversationId, limit, unreadCount);
} }