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Don't let unreadCount become negative

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If you had an inaccurate unread count due to previously broken unread
tracking, it's possible to go negative and never fully recover. Fixed
by clamping to zero.

// FREEBIE
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lilia 2015-11-19 10:47:50 -08:00
commit 31b29b67f2
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js/conversation_controller.js
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@ -30,6 +30,7 @@
updateUnreadCount: function(model, count) { updateUnreadCount: function(model, count) {
var prev = model.previous('unreadCount') || 0; var prev = model.previous('unreadCount') || 0;
var newUnreadCount = storage.get("unreadCount", 0) - (prev - count); var newUnreadCount = storage.get("unreadCount", 0) - (prev - count);
if (newUnreadCount < 0) { newUnreadCount = 0; }
storage.remove("unreadCount"); storage.remove("unreadCount");
storage.put("unreadCount", newUnreadCount); storage.put("unreadCount", newUnreadCount);