fix(send+archive): Update to use focused perspective

internal_packages/send-and-archive/lib/send-and-archive-extension.cjsx

@@ -1,8 +1,10 @@
 {React,
  Actions,
+ Thread,
+ DatabaseStore,
  TaskFactory,
  ComposerExtension,
- FocusedMailViewStore} = require 'nylas-exports'
+ FocusedPerspectiveStore} = require 'nylas-exports'
 
 {RetinaImg} = require 'nylas-component-kit'
 
@@ -18,9 +20,10 @@ class SendAndArchiveExtension extends ComposerExtension
 
   @_sendAndArchive: ({draft}) ->
     Actions.sendDraft(draft.clientId)
-    archiveTask = TaskFactory.taskForArchiving
-      threads: [draft.threadId]
-      fromView: FocusedMailViewStore.mailView()
-    Actions.queueTask(archiveTask)
+    DatabaseStore.modelify(Thread, [draft.threadId]).then (threads) =>
+      tasks = TaskFactory.tasksForArchiving
+        threads: threads
+        fromPerspective: FocusedPerspectiveStore.current()
+      Actions.queueTasks(tasks)
 
 module.exports = SendAndArchiveExtension

src/flux/tasks/task-factory.coffee

@@ -5,6 +5,7 @@ ChangeUnreadTask = require './change-unread-task'
 ChangeStarredTask = require './change-starred-task'
 AccountStore = require '../stores/account-store'
 CategoryStore = require '../stores/category-store'
+Thread = require '../models/thread'
 
 class TaskFactory
 
@@ -13,6 +14,9 @@ class TaskFactory
     tasks = []
 
     for thread in threads
+      unless thread instanceof Thread
+        throw new Error("tasksForApplyingCategories: `threads` must be instances of Thread")
+
       accountId = thread.accountId
       byAccount[accountId] ?=
         categoriesToRemove: categoriesToRemove?(accountId) ? []