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Home/ Questions/Q 531735
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T09:19:55+00:00 2026-05-13T09:19:55+00:00

i despair in case of an array. I put some data into an array,

  • 0

i despair in case of an array.
I put some data into an array, but when i iterate the array some
elements of the array seems to be missed, but the missing element are
displayed in the view.
I’m using the Plugin Rails_Authorization.
my Code:

 def index
    if !params[:task_id] #Tasks der 1. ebene anzeigen, auf die der User zugriff hat
      @tasks = current_user.is_owner_of_what + current_user.is_moderator_of_what + current_user.is_user_of_what
      @tasks.uniq! #doppelte Einträge auf einen reduzieren
      puts @tasks
      @tasks.each do |task|
        puts task.id
        if !task.root? #ist Task kein wurzelelement?
          if (current_user.has_roles_for? Task.find(task.parent_id) ) #Hat der Benutzer Rechte auf Parent Task?
             @tasks.delete(task) #Objekt aus Array schmeißen da nur die Elemente der 1. Ebene dargestellt werden sollen, auf die der Benutzer Rechte hat

          end
        end
      end
    else #Wenn Subtasks angezeigt werden sollen
      @task=Task.find(params[:task_id])
      load_subtasks
      @tasks=@subtasks
    end
    #@tasks = Task.all
    respond_to do |format|

      format.html #index.html.erb
      format.xml  { render :xml => @tasks }
    end
  end

And My Debugging Log:

#<Task:0x1036e6ca8> 
#<Task:0x1036e3ee0> 
#<Task:0x1036df958> 
#<Task:0x1036dc190> 
#<Task:0x1036d8ea0> 
#<Task:0x1036d5138> 
#<Task:0x1036d18f8> 
#<Task:0x1036cbd90> 
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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-05-13T09:19:55+00:00Added an answer on May 13, 2026 at 9:19 am

    Try using the more concise #reject! syntax, since the #delete call sounds likely to cause issues.

     def index
        if !params[:task_id] #Tasks der 1. ebene anzeigen, auf die der User zugriff hat
          @tasks = current_user.is_owner_of_what + current_user.is_moderator_of_what + current_user.is_user_of_what
          @tasks.uniq! #doppelte Einträge auf einen reduzieren
          puts @tasks
          @tasks.reject! do |task|
            !task.root? && current_user.has_roles_for?(Task.find(task.parent_id))
          end
        else #Wenn Subtasks angezeigt werden sollen
          @task=Task.find(params[:task_id])
          load_subtasks
          @tasks=@subtasks
        end
        # ...
      end
    
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