restart import for users with only PostDownloader unfinished

app/import_worker.rb

···
     loop do
       @user_threads.delete_if { |t| !t.alive? }
 
-      if user = User.with_unfinished_imports.where.not(id: @user_threads.map(&:user_id)).first
+      if user = User.with_unfinished_import.where.not(id: @user_threads.map(&:user_id)).first
         collections = user.imports.unfinished.map(&:collection)
         thread = UserThread.new(user, collections, @verbose)
         @user_threads << thread

app/models/user.rb

···
     self.joins(:imports).distinct
   end
 
-  def self.with_unfinished_imports
-    self.joins(:imports).merge(Import.unfinished).distinct
+  def self.with_unfinished_import
+    self.where(id: Import.unfinished.select('user_id').distinct)
+      .or(self.where(id: Like.in_queue(:import).select('actor_id').distinct))
+      .or(self.where(id: Repost.in_queue(:import).select('actor_id').distinct))
+      .or(self.where(id: Quote.in_queue(:import).select('actor_id').distinct))
+      .or(self.where(id: Pin.in_queue(:import).select('actor_id').distinct))
   end
 
   def active?