Do auto-checking when last check timestamp is from the future or a non-number. #1164

src/Archive/Redirect.coffee

@@ -9,7 +9,9 @@ Redirect =
 
   init: ->
     @selectArchives()
-    @update() if Conf['archiveAutoUpdate'] and Conf['lastarchivecheck'] < Date.now() - 2 * $.DAY
+    if Conf['archiveAutoUpdate']
+      now = Date.now()
+      @update() unless now - 2 * $.DAY < Conf['lastarchivecheck'] <= now
 
   selectArchives: ->
     o =

src/General/BoardConfig.coffee

@@ -2,7 +2,8 @@ BoardConfig =
   cbs: []
 
   init: ->
-    if (Conf['boardConfig'].lastChecked or 0) < Date.now() - 2 * $.HOUR
+    now = Date.now()
+    unless now - 2 * $.HOUR < (Conf['boardConfig'].lastChecked or 0) <= now
       $.ajax '//a.4cdn.org/boards.json',
         onloadend: @load
     else

src/Monitoring/ThreadWatcher.coffee

@@ -178,7 +178,7 @@ ThreadWatcher =
     {db} = ThreadWatcher
     interval = if ThreadWatcher.unreadEnabled and Conf['Show Unread Count'] then 5 * $.MINUTE else 2 * $.HOUR
     now = Date.now()
-    if now >= (db.data.lastChecked or 0) + interval
+    unless now - interval < (db.data.lastChecked or 0) <= now
       ThreadWatcher.fetchAllStatus() # calls forceSync
       db.data.lastChecked = now
       db.save()

src/classes/DataBoard.coffee

@@ -84,7 +84,7 @@ class DataBoard
       @deleteIfEmpty {boardID}
 
     now = Date.now()
-    if (@data.lastChecked or 0) < now - 2 * $.HOUR
+    unless now - 2 * $.HOUR < (@data.lastChecked or 0) <= now
       @data.lastChecked = now
       for boardID of @data.boards
         @ajaxClean boardID