Merge pull request #198 from jbutz/todo_archive_flag_cron

feat(archive_todo): add cron to archive todos

script/index.coffee

@@ -485,7 +485,9 @@ api.wrap = (user, main=true) ->
       # ------
 
       clearCompleted: (req, cb) ->
-        _.remove user.todos, (t)-> t.completed and !t.challenge?.id
+        user.todos = _.map user.todos, (t)->
+            t.archived = true if t.completed and !t.challenge?.id
+            t
         user.markModified? 'todos'
         cb? null, user.todos
 
@@ -1234,6 +1236,10 @@ api.wrap = (user, main=true) ->
           else
             task.value = task.value / 2
 
+      user.todos.forEach (task) -> # Archive todos
+        if !task.archived && task.completed && moment(now).subtract('days',3).isAfter(moment(task.dateCompleted))
+          task.archived = true
+
 
       # Finished tallying
       ((user.history ?= {}).todos ?= []).push { date: now, value: todoTally }