Class: TodosController

Inherits:
ApplicationController show all
Defined in:
app/controllers/todos_controller.rb

Instance Method Summary collapse

Methods inherited from ApplicationController

#admin_login_required, #admin_or_self_login_required, #all_done_todos_for, #boolean_param, cas_enabled?, #cas_enabled?, #count_deferred_todos, #count_undone_todos, #count_undone_todos_phrase, #done_todos_for, #enable_mobile_content_negotiation, #for_autocomplete, #format_date, #format_dependencies_as_json_for_auto_complete, #handle_unverified_request, #init_data_for_sidebar, #init_hidden_todo_counts, #init_not_done_counts, #mobile?, #notify, #openid_enabled?, openid_enabled?, #parse_date_per_user_prefs, prefered_auth?, #prefered_auth?, #redirect_back_or_home, #render_failure, #sanitize, #set_locale, #set_session_expiration, #set_time_zone, #set_zindex_counter, #todo_xml_params

Methods included from Common

like_operator, #set_theme

Methods included from LoginSystem

#access_denied, #authorize?, #basic_auth_denied, #current_user, #get_basic_auth_data, #get_current_user, #logged_in?, #login_from_cookie, #login_optional, #login_or_feed_token_required, #login_required, #logout_user, #prefs, #protect?, #redirect_back_or_default, #redirect_to_login, #set_current_user, #store_location

Instance Method Details

#add_predecessor ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 266

def add_predecessor
  @source_view = params['_source_view'] || 'todo'
  @predecessor = current_user.todos.find(params['predecessor'])
  @predecessors = @predecessor.predecessors
  @todo = current_user.todos.includes(Todo::DEFAULT_INCLUDES).find(params['successor'])
  @original_state = @todo.state
  unless @predecessor.completed?
    begin
      @todo.add_predecessor(@predecessor)
      @todo.block! unless @todo.pending?
      @saved = @todo.save
    rescue ActiveRecord::RecordInvalid
      @saved = false
    end

    @status_message = t('todos.added_dependency', :dependency => @predecessor.description)
    @status_message += ' ' + t('todos.set_to_pending', :task => @todo.description) unless @original_state == 'pending'
  else
    @saved = false
  end
  respond_to do |format|
    format.js
  end
end

#all_done ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 568

def all_done
  @source_view = 'done'
  @page_title = t('todos.completed_tasks_title')

  @done = current_user.todos.completed.includes(Todo::DEFAULT_INCLUDES).reorder('completed_at DESC').paginate :page => params[:page], :per_page => 20
  @count = @done.size
end

#all_done_tag ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 687

def all_done_tag
  done_by_tag_setup
  @done = current_user.todos.completed.with_tag(@tag.id).reorder('completed_at DESC').includes(Todo::DEFAULT_INCLUDES).paginate :page => params[:page], :per_page => 20
  @count = @done.size
  render :template => 'todos/all_done'
end

#attachment ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 804

def attachment
  id = params[:id]
  filename = params[:filename]
  attachment = current_user.attachments.find(id)

  if attachment
    send_file(attachment.file.path,
      disposition: 'attachment',
      type: 'message/rfc822')
  else
    head :not_found
  end
end

#auto_complete_for_predecessor ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 767

def auto_complete_for_predecessor
  unless params['id'].nil?
    get_todo_from_params
    # Begin matching todos in current project, excluding @todo itself
    @items = get_not_completed_for_predecessor(@todo.project, @todo.id) unless @todo.project.nil?
    # Then look in the current context, excluding @todo itself
    @items = get_not_completed_for_predecessor(@todo.context, @todo.id) unless !@items.empty? || @todo.context.nil?
    # Match todos in other projects, excluding @todo itself
    @items = get_not_completed_for_predecessor(current_user, @todo.id) unless !@items.empty?
  else
    # New todo - TODO: Filter on current project in project view
    @items = get_not_completed_for_predecessor(current_user)
  end
  render :inline => format_dependencies_as_json_for_auto_complete(@items)
end

#change_context ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 402

def change_context
  # change context if you drag a todo to another context
  @todo = current_user.todos.find(params[:id])
  @original_item = current_user.todos.build(@todo.attributes)  # create a (unsaved) copy of the original todo
  @context = current_user.contexts.find(params[:todo][:context_id])
  @todo.context = @context
  @saved = @todo.save

  @context_changed = true
  @status_message = t('todos.context_changed', :name => @context.name)
  determine_down_count
  determine_remaining_in_container_count(@original_item)

  respond_to do |format|
    format.js  { render :action => :update }
    format.xml { render :xml => @todo.to_xml(*todo_xml_params) }
  end
end

#check_deferred ⇒ Object

Check for any due tickler items, activate them Called by periodically_call_remote



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# File 'app/controllers/todos_controller.rb', line 602

def check_deferred
  @due_tickles = current_user.deferred_todos.find_and_activate_ready
  respond_to do |format|
    format.html { redirect_to home_path }
    format.js
  end
end

#check_for_next_todo(todo) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1066

def check_for_next_todo(todo)
  # check if this todo has a related recurring_todo. If so, create next todo
  new_recurring_todo = nil
  recurring_todo = nil
  if todo.from_recurring_todo?
    recurring_todo = todo.recurring_todo

    # check if there are active todos belonging to this recurring todo. only
    # add new one if all active todos are completed
    if recurring_todo.todos.active.count == 0

      # check for next todo either from the due date or the show_from date
      date_to_check = todo.due || todo.show_from

      # if both due and show_from are nil, check for a next todo from now
      date_to_check ||= Time.zone.now

      if recurring_todo.active? && recurring_todo.continues_recurring?(date_to_check)
        # shift the reference date to yesterday if date_to_check is furher in
        # the past. This is to make sure we do not get older todos for overdue
        # todos. I.e. checking a daily todo that is overdue with 5 days will
        # create a new todo which is overdue by 4 days if we don't shift the
        # date. Discard the time part in the compare. We pick yesterday so
        # that new todos due for today will be created instead of new todos
        # for tomorrow.
        date = date_to_check.at_midnight >= Time.zone.now.at_midnight ? date_to_check : Time.zone.now - 1.day

        new_recurring_todo = TodoFromRecurringTodo.new(current_user, recurring_todo).create(date)
      end
    end
  end
  return new_recurring_todo
end

#convert_to_project ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 783

def convert_to_project
  todo = current_user.todos.find(params[:id])
  @project = ProjectFromTodo.new(todo).create

  if @project.valid?
    redirect_to project_url(@project)
  else
    flash[:error] = "Could not create project from todo: #{@project.errors.full_messages[0]}"
    onsite_redirect_to request.env["HTTP_REFERER"] || root_url
  end
end

#count_old_due_empty(id) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1124

def count_old_due_empty(id)
  due_today_date = Time.zone.now
  due_this_week_date = Time.zone.now.end_of_week
  due_next_week_date = due_this_week_date + 7.days
  due_this_month_date = Time.zone.now.end_of_month

  case id
  when "due_today"
    return current_user.todos.not_completed.where('todos.due <= ?', due_today_date).count
  when "due_this_week"
    return current_user.todos.not_completed.where('todos.due > ? AND todos.due <= ?', due_today_date, due_this_week_date).count
  when "due_next_week"
    return current_user.todos.not_completed.where('todos.due > ? AND todos.due <= ?', due_this_week_date, due_next_week_date).count
  when "due_this_month"
    return current_user.todos.not_completed.where('todos.due > ? AND todos.due <= ?', due_next_week_date, due_this_month_date).count
  when "due_after_this_month"
    return current_user.todos.not_completed.where('todos.due > ?', due_this_month_date).count
  else
    raise Exception.new, "unknown due id for calendar: '#{id}'"
  end
end

#create ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 86

def create
  @source_view = params['_source_view'] || 'todo'
  @default_context = current_user.contexts.where(:name => params['default_context_name']).first
  @default_project = current_user.projects.where(:name => params['default_project_name']).first if params['default_project_name'].present?

  @tag_name = params['_tag_name']

  is_multiple = params[:todo] && params[:todo][:multiple_todos] && !params[:todo][:multiple_todos].nil?
  if is_multiple
    create_multiple
  else
    p = Todos::TodoCreateParamsHelper.new(params, current_user)
    p.parse_dates unless mobile?
    tag_list = p.tag_list

    @todo = current_user.todos.build
    @todo.assign_attributes(p.attributes)
    p.add_errors(@todo)

    if @todo.errors.empty?
      @todo.add_predecessor_list(p.predecessor_list)
      @saved = @todo.save
      @todo.tag_with(tag_list) if @saved && tag_list.present?
      @todo.block! if @todo.uncompleted_predecessors?
    else
      @saved = false
    end

    @todo_was_created_deferred = @todo.deferred?
    @todo_was_created_blocked = @todo.pending?
    @not_done_todos = [@todo] if p.new_project_created || p.new_context_created
    @new_project_created = p.new_project_created
    @new_context_created = p.new_context_created

    respond_to do |format|
      format.html do
        redirect_to :action => "index"
      end
      format.m do
        @return_path = cookies[:mobile_url] ? cookies[:mobile_url] : mobile_path
        if @saved
          onsite_redirect_to @return_path
        else
          @projects = current_user.projects
          @contexts = current_user.contexts
          render :action => "new"
        end
      end
      format.js do
        if @saved
          determine_down_count
          @contexts = current_user.contexts
          @projects = current_user.projects
          @context = @todo.context
          @project = @todo.project
          @initial_context_name = params['default_context_name']
          @initial_project_name = params['default_project_name']
          @initial_tags = params['initial_tag_list']
          @status_message = t('todos.added_new_next_action')
          @status_message += ' ' + t('todos.to_tickler') if @todo.deferred?
          @status_message += ' ' + t('todos.in_pending_state') if @todo.pending?
          @status_message += ' ' + t('todos.in_hidden_state') if @todo.hidden?
          @status_message = t('todos.added_new_project') + ' / ' + @status_message if @new_project_created
          @status_message = t('todos.added_new_context') + ' / ' + @status_message if @new_context_created
        end
        render :action => 'create'
      end
      format.xml do
        if @saved
          head :created, :location => todo_url(@todo)
        else
          render_failure @todo.errors.full_messages.to_xml(root: "errors", skip_types: true).html_safe, 409
        end
      end
    end
  end
end

#create_multiple ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 164

def create_multiple
  p = Todos::TodoCreateParamsHelper.new(params, current_user)
  tag_list = p.tag_list

  @not_done_todos = []
  @build_todos = []
  @todos = []
  errors = []
  @predecessor = nil
  validates = true

  # first build all todos and check if they would validate on save
  params[:todo][:multiple_todos].split("\n").map do |line|
    # Ignore blank lines
    if line.present?
      @todo = current_user.todos.build({ :description => line, :context_id => p.context_id, :project_id => p.project_id })
      validates &&= @todo.valid?

      @build_todos << @todo
    end
  end

  # if all todos validate, then save them and add predecessors and tags
  if validates
    @build_todos.each do |todo|
      @saved = todo.save
      validates &&= @saved

      if @predecessor && @saved && p.sequential?
        todo.add_predecessor(@predecessor)
        todo.block!
      end

      todo.tag_with(tag_list) if @saved && tag_list.present?

      @todos << todo
      @not_done_todos << todo if p.new_context_created || p.new_project_created
      @predecessor = todo
    end
  else
    @todos = @build_todos
    @saved = false
  end

  respond_to do |format|
    format.html { redirect_to :action => "index" }
    format.js do
      determine_down_count if @saved
      @contexts = current_user.contexts if p.new_context_created
      @projects = current_user.projects if p.new_project_created
      @new_project_created = p.new_project_created
      @new_context_created = p.new_context_created
      @initial_context_name = params['default_context_name']
      @initial_project_name = params['default_project_name']
      @initial_tags = params['initial_tag_list']
      if @saved && @todos.size > 0
        @default_tags = @todos[0].project.default_tags unless @todos[0].project.nil?
      else
        @multiple_error = @todos.size > 0 ? "" : t('todos.next_action_needed')
        @saved = false
        @default_tags = current_user.projects.where(:name => @initial_project_name).default_tags if @initial_project_name.present?
      end

      @status_message = @todos.size > 1 ? t('todos.added_new_next_action_plural') : t('todos.added_new_next_action_singular')
      @status_message = t('todos.added_new_project') + ' / ' + @status_message if p.new_project_created
      @status_message = t('todos.added_new_context') + ' / ' + @status_message if p.new_context_created

      render :action => 'create_multiple'
    end
    format.xml do
      if @saved
        head :created, :location => context_url(@todos[0].context)
      else
        render :xml => @todos[0].errors.to_xml, :status => 422
      end
    end
  end
end

#defer ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 711

def defer
  @source_view = params['_source_view'] || 'todo'
  numdays = params['days'].to_i

  @todo = current_user.todos.find(params[:id])
  # Create a (unsaved) copy of the original todo
  @original_item = current_user.todos.build(@todo.attributes)

  @todo_deferred_state_changed = true
  @new_context_created = false
  @due_date_changed = false
  @tag_was_removed = false
  @todo_hidden_state_changed = false
  @todo_was_deferred_from_active_state = @todo.show_from.nil?

  @todo.show_from = (@todo.show_from || @todo.user.date) + numdays.days
  @saved = @todo.save
  @status_message = t('todos.action_saved_to_tickler')

  determine_down_count
  determine_remaining_in_container_count(@todo)
  source_view do |page|
    page.project do
      @remaining_undone_in_project = current_user.projects.find(@todo.project_id).todos.not_completed.count
    end
    page.tag { determine_deferred_tag_count(params['_tag_name']) }
  end

  respond_to do |format|
    format.html { redirect_to :back }
    format.js { render :action => 'update' }
    format.m do
      notify(:notice, t("todos.action_deferred", :description => @todo.description))
      do_mobile_todo_redirection
    end
  end
end

#destroy ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 491

def destroy
  @source_view = params['_source_view'] || 'todo'
  @todo = current_user.todos.find(params['id'])
  # Create a (unsaved) copy of the original todo
  @original_item = current_user.todos.build(@todo.attributes)
  @context_id = @todo.context_id
  @project_id = @todo.project_id
  @todo_was_destroyed = true
  @todo_was_destroyed_from_deferred_state = @todo.deferred?
  @todo_was_destroyed_from_pending_state = @todo.pending?
  @todo_was_destroyed_from_deferred_or_pending_state = @todo_was_destroyed_from_deferred_state || @todo_was_destroyed_from_pending_state

  @uncompleted_predecessors = []
  @todo.uncompleted_predecessors.each do |predecessor|
    @uncompleted_predecessors << predecessor
  end

  activated_successor_count = 0
  @pending_to_activate = []
  @todo.pending_successors.each do |successor|
    if successor.uncompleted_predecessors.size == 1
      @pending_to_activate << successor
      activated_successor_count += 1
    end
  end

  @saved = @todo.destroy

  # check if this todo has a related recurring_todo. If so, create next todo
  @new_recurring_todo = check_for_next_todo(@todo) if @saved

  respond_to do |format|
    format.html do
      if @saved
        message = t('todos.action_deleted_success')
        if activated_successor_count > 0
          message += " activated #{pluralize(activated_successor_count, 'pending action')}"
        end
        notify :notice, message, 2.0
        redirect_to :action => 'index'
      else
        notify :error, t('todos.action_deleted_error'), 2.0
        redirect_to :action => 'index'
      end
    end
    format.js do
      if @saved
        determine_down_count
        if source_view_is_one_of(:todo, :deferred, :project, :context, :tag)
          determine_remaining_in_container_count(@todo)
        elsif source_view_is :calendar
          @original_item_due_id = get_due_id_for_calendar(@original_item.due)
          @old_due_empty = is_old_due_empty(@original_item_due_id)
        end
      end
      render
    end
    format.xml { render :body => '200 OK. Action deleted.', :status => 200 }
  end
end

#determine_changes_by_this_update ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1250

def determine_changes_by_this_update
  @todo_was_activated_from_deferred_state = @todo.active? && @original_item.deferred?
  @todo_was_activated_from_pending_state = @todo.active? && @original_item.pending?
  @todo_was_deferred_from_active_state = @todo.deferred? && !@original_item.deferred?
  @todo_was_blocked_from_active_state = @todo.pending? && !@original_item.pending?

  @todo_deferred_state_changed = @original_item.deferred? != @todo.deferred?
  @todo_pending_state_changed = @original_item.pending? != @todo.pending?
  @todo_hidden_state_changed = @original_item.hidden? != @todo.hidden?

  @due_date_changed = @original_item.due != @todo.due

  source_view do |page|
    page.calendar do
      @old_due_empty = is_old_due_empty(@original_item_due_id)
      @new_due_id = get_due_id_for_calendar(@todo.due)
    end
    page.tag do
      @tag_name = params['_tag_name']
      @tag_was_removed = !@todo.has_tag?(@tag_name)
    end
    page.context do
      @todo_should_be_hidden = @todo_hidden_state_changed && @todo.hidden?
    end
  end
end

#determine_completed_count ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1047

def determine_completed_count
  todos = nil

  source_view do |from|
    from.todo    { todos = current_user.todos.not_hidden.completed }
    from.context { todos = find_completed(current_user.contexts, @todo.context_id, @todo.context.hidden?) }
    from.project { todos = find_completed(current_user.projects, @todo.project_id, @todo.project.hidden?) unless @todo.project_id.nil? }
    from.tag     { todos = current_user.todos.with_tag(@tag.id).completed }
  end

  @completed_count = todos.nil? ? 0 : todos.count
end

#determine_deferred_tag_count(tag_name) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1060

def determine_deferred_tag_count(tag_name)
  tag = Tag.where(:name => tag_name).first
  # tag.nil? should normally not happen, but is a workaround for #929
  @remaining_deferred_or_pending_count = tag.nil? ? 0 : current_user.todos.deferred.with_tag(tag.id).count
end

#determine_down_count ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 924

def determine_down_count
  source_view do |from|
    from.todo do
      @down_count = current_user.todos.active.not_hidden.count
    end
    from.context do
      context_id = @original_item ? @original_item.context_id || @todo.context_id : @todo.context_id
      todos = current_user.contexts.find(context_id).todos.not_completed

      if @todo.context.hidden?
        # include hidden todos
        @down_count = todos.count
      else
        # exclude hidden_todos
        @down_count = todos.not_hidden.count
      end
    end
    from.project do
      unless @todo.project_id == nil
        @down_count = current_user.projects.find(@todo.project_id).todos.active_or_hidden.count
      end
    end
    from.deferred do
      @down_count = current_user.todos.deferred_or_blocked.count
    end
    from.tag do
      @tag_name = params['_tag_name']
      @tag = Tag.where(:name => @tag_name).first
      if @tag.nil?
        @tag = Tag.new(:name => @tag_name)
      end
      @down_count = current_user.todos.with_tag(@tag.id).active.not_hidden.count
    end
  end
end

#determine_remaining_in_container_count(todo = @todo) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 980

def determine_remaining_in_container_count(todo = @todo)
  source_view do |from|
    from.deferred do
      todos_in_container, todos_in_target_container = find_todos_in_container_and_target_container(todo, @todo)
      @remaining_in_context = todos_in_container.deferred_or_blocked.count
      @target_context_count = todos_in_target_container.deferred_or_blocked.count
    end
    from.todo do
      todos_in_container, todos_in_target_container = find_todos_in_container_and_target_container(todo, @todo)
      @remaining_in_context = todos_in_container.active.not_hidden.count
      @target_context_count = todos_in_target_container.active.not_hidden.count
    end
    from.tag do
      tag = Tag.where(:name => params['_tag_name']).first
      tag = Tag.new(:name => params['tag']) if tag.nil?

      todos_in_container, todos_in_target_container = find_todos_in_container_and_target_container(todo, @todo)

      @remaining_in_context = todos_in_container.active.not_hidden.with_tag(tag.id).count
      @target_context_count = todos_in_target_container.active.not_hidden.with_tag(tag.id).count
      @remaining_hidden_count = current_user.todos.hidden.with_tag(tag.id).count
      @remaining_deferred_or_pending_count = current_user.todos.with_tag(tag.id).deferred_or_blocked.count
    end
    from.project do
      project_id = @project_changed ? @original_item.project_id : @todo.project_id
      @remaining_deferred_or_pending_count = current_user.projects.find(project_id).todos.deferred_or_blocked.count

      if @todo_was_completed_from_deferred_or_blocked_state
        @remaining_in_context = @remaining_deferred_or_pending_count
      else
        @remaining_in_context = current_user.projects.find(project_id).todos.active_or_hidden.count
      end

      @target_context_count = current_user.projects.find(project_id).todos.active.count
    end
    from.calendar do
      @target_context_count = @new_due_id.blank? ? 0 : count_old_due_empty(@new_due_id)
    end
    from.context do
      context = current_user.contexts.find(todo.context_id)
      @remaining_deferred_or_pending_count = context.todos.deferred_or_blocked.count

      remaining_actions_in_context = context.todos.reload.active
      remaining_actions_in_context = remaining_actions_in_context.not_hidden if !context.hidden?
      @remaining_in_context = remaining_actions_in_context.count

      if @todo_was_deferred_or_blocked
        actions_in_target = current_user.contexts.find(@todo.context_id).todos.reload.active
        actions_in_target = actions_in_target.not_hidden if !context.hidden?
      else
        actions_in_target = @todo.context.todos.deferred_or_blocked
      end
      @target_context_count = actions_in_target.count
    end
    from.done do
      @remaining_in_context = DoneTodos.remaining_in_container(current_user.todos, @original_completed_period)
    end
    from.all_done { @remaining_in_context = current_user.todos.completed.count }
  end
end

#do_mobile_todo_redirection ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 824

def do_mobile_todo_redirection
  if cookies[:mobile_url]
    old_path = cookies[:mobile_url]
    cookies[:mobile_url] = { :value => nil, :secure => SITE_CONFIG['secure_cookies'] }
    onsite_redirect_to old_path
  else
    onsite_redirect_to todos_path(:format => 'm')
  end
end

#done ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 552

def done
  @source_view = 'done'
  @page_title = t('todos.completed_tasks_title')

  @done_today, @done_rest_of_week, @done_rest_of_month = DoneTodos.done_todos_for_container(current_user.todos)
  @count = @done_today.size + @done_rest_of_week.size + @done_rest_of_month.size

  respond_to do |format|
    format.html
    format.xml do
      completed_todos = current_user.todos.completed
      render :xml => completed_todos.to_xml(*[todo_xml_params[0].merge({ :root => :todos })])
    end
  end
end

#done_by_tag_setup ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 694

def done_by_tag_setup
  @source_view = params['_source_view'] || 'done'
  @tag_name = sanitize(params[:name]) # sanitize to prevent XSS vunerability!
  @page_title = t('todos.all_completed_tagged_page_title', :tag_name => @tag_name)
  @tag = Tag.where(:name => @tag_name).first_or_create
end

#done_tag ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 674

def done_tag
  done_by_tag_setup

  completed_todos = current_user.todos.completed.with_tag(@tag.id)

  @done_today = get_done_today(completed_todos)
  @done_rest_of_week = get_done_rest_of_week(completed_todos)
  @done_rest_of_month = get_done_rest_of_month(completed_todos)
  @count = @done_today.size + @done_rest_of_week.size + @done_rest_of_month.size

  render :template => 'todos/done'
end

#edit ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 243

def edit
  @todo = current_user.todos.find(params['id'])
  @source_view = params['_source_view'] || 'todo'
  @tag_name = params['_tag_name']
  respond_to do |format|
    format.js
    format.m do
      @projects = current_user.projects.active
      @contexts = current_user.contexts
      @edit_mobile = true
      @return_path = cookies[:mobile_url] ? cookies[:mobile_url] : mobile_path
    end
  end
end

#filter_format_for_tag_view ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 872

def filter_format_for_tag_view
  # routes for tag view do not set :format
  if params[:name] =~ /.*\.m$/
    set_format_for_tag_view(:m)
  elsif params[:name] =~ /.*\.txt$/
    set_format_for_tag_view(:txt)
    # set content-type to text/plain or it remains text/html
    response.headers["Content-Type"] = 'text/plain'
  elsif params[:format].nil?
    # if no format is given, default to html
    # note that if url has ?format=m, we should not overwrite it here
    request.format = :html
    params[:format] = :html
  end
end

#filter_to_context ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 610

def filter_to_context
  context = current_user.contexts.find(params['context']['id'])
  redirect_to context_todos_path(context, :format => 'm')
end

#filter_to_project ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 615

def filter_to_project
  project = current_user.projects.find(params['project']['id'])
  redirect_to project_todos_path(project, :format => 'm')
end

#find_and_activate_ready ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 840

def find_and_activate_ready
  current_user.deferred_todos.find_and_activate_ready
end

#find_completed(relation, id, include_hidden) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1041

def find_completed(relation, id, include_hidden)
  todos = relation.find(id).todos.completed
  todos = todos.not_hidden if !include_hidden
  return todos
end

#find_todos_in_container_and_target_container(todo, target_todo) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 969

def find_todos_in_container_and_target_container(todo, target_todo)
  if @group_view_by == 'context'
    todos_in_container = current_user.contexts.find(todo.context_id).todos
    todos_in_target_container = current_user.contexts.find(@todo.context_id).todos
  else
    todos_in_container = find_todos_in_project_container(todo)
    todos_in_target_container = find_todos_in_project_container(@todo)
  end
  return todos_in_container, todos_in_target_container
end

#find_todos_in_project_container(todo) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 960

def find_todos_in_project_container(todo)
  if todo.project.nil?
    # container with todos without project
    todos_in_container = current_user.todos.where(:project_id => nil)
  else
    todos_in_container = current_user.projects.find(todo.project_id).todos
  end
end

#find_todos_with_tag_expr(tag_expr) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 908

def find_todos_with_tag_expr(tag_expr)
  # Optimize for the common case of selecting only one tag
  if @single_tag
    tag = current_user.tags.where(:name => @tag_name).first
    tag_id = tag.nil? ? -1 : tag.id
    return current_user.todos.with_tag(tag_id)
  end

  tag_ids = get_ids_from_tag_expr(tag_expr)
  todos = current_user.todos
  tag_ids.each do |ids|
    todos = todos.with_tags(ids) unless ids.nil? || ids.empty?
  end
  return todos
end

#get_done_in_period(completed_todos, before, after, includes = { :include => Todo::DEFAULT_INCLUDES }) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1283

def get_done_in_period(completed_todos, before, after, includes = { :include => Todo::DEFAULT_INCLUDES })
  completed_todos.completed_before(before).completed_after(after).includes(includes[:include])
end

#get_done_rest_of_month(completed_todos, includes = { :include => Todo::DEFAULT_INCLUDES }) ⇒ Object (private)

all completed todos [begin_of_month, begin_of_week]



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# File 'app/controllers/todos_controller.rb', line 1293

def get_done_rest_of_month(completed_todos, includes = { :include => Todo::DEFAULT_INCLUDES })
  get_done_in_period(completed_todos, Time.zone.now.beginning_of_week, Time.zone.now.beginning_of_month)
end

#get_done_rest_of_week(completed_todos, includes = { :include => Todo::DEFAULT_INCLUDES }) ⇒ Object (private)

all completed todos [begin_of_week, start_of_today]



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# File 'app/controllers/todos_controller.rb', line 1288

def get_done_rest_of_week(completed_todos, includes = { :include => Todo::DEFAULT_INCLUDES })
  get_done_in_period(completed_todos, Time.zone.now.beginning_of_day, Time.zone.now.beginning_of_week)
end

#get_done_today(completed_todos, includes = { :include => Todo::DEFAULT_INCLUDES }) ⇒ Object (private)

all completed todos [today@00:00, today@now]



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# File 'app/controllers/todos_controller.rb', line 1278

def get_done_today(completed_todos, includes = { :include => Todo::DEFAULT_INCLUDES })
  start_of_this_day = Time.zone.now.beginning_of_day
  completed_todos.completed_after(start_of_this_day).includes(includes[:include])
end

#get_due_id_for_calendar(due) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1100

def get_due_id_for_calendar(due)
  return "" if due.nil?
  due_today_date = Time.zone.now
  due_this_week_date = Time.zone.now.end_of_week
  due_next_week_date = due_this_week_date + 7.days
  due_this_month_date = Time.zone.now.end_of_month
  if due <= due_today_date
    new_due_id = "due_today"
  elsif due <= due_this_week_date
    new_due_id = "due_this_week"
  elsif due <= due_next_week_date
    new_due_id = "due_next_week"
  elsif due <= due_this_month_date
    new_due_id = "due_this_month"
  else
    new_due_id = "due_after_this_month"
  end
  return new_due_id
end

#get_ids_from_tag_expr(tag_expr) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 895

def get_ids_from_tag_expr(tag_expr)
  ids = []
  tag_expr.each do |tag_list|
    id_list = []
    tag_list.each do |tag|
      tag = Tag.where(:name => tag).first
      id_list << tag.id if tag
    end
    ids << id_list
  end
  return ids
end

#get_not_completed_for_predecessor(relation, todo_id = nil) ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 756

def get_not_completed_for_predecessor(relation, todo_id = nil)
  items = relation.todos.not_completed
    .where('(LOWER(todos.description) ' + Common.like_operator + '?)', "%#{params[:term].downcase}%")
  items = items.where("AND NOT(todos.id=?)", todo_id) unless todo_id.nil?

  items
    .includes(:context, :project)
    .reorder('description ASC')
    .limit(10)
end

#get_not_done_todos ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1297

def get_not_done_todos
  Todos::UndoneTodosQuery.new(current_user).query(params)
end

#get_params_for_tag_view ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 849

def get_params_for_tag_view
  filter_format_for_tag_view

  # Don't use sanitize here because these are only used for a DB query.
  @tag_expr = []
  # Tag conditions handled as OR.
  @tag_expr << params[:name].split(',')

  # Additional tag condition(s) handled as AND.
  @tag_expr << params[:and].split(',') if params[:and]
  i = 1
  while params['and' + i.to_s]
    @tag_expr << params['and' + i.to_s].split(',')
    i += 1
  end

  @single_tag = @tag_expr.size == 1 && @tag_expr[0].size == 1

  # These are used in the templates, sanitise to prevent XSS.
  @tag_name = sanitize(@tag_expr[0][0])
  @tag_title = sanitize(@single_tag ? @tag_name : tag_title(@tag_expr))
end

#get_todo_from_params ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 834

def get_todo_from_params
  # TODO: this was a :append_before but was removed to tune performance per
  # method. Reconsider re-enabling it
  @todo = current_user.todos.find(params['id'])
end

#index ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 8

def index
  @source_view = params['_source_view'] || 'todo'

  init_data_for_sidebar unless mobile?

  @todos = current_user.todos.includes(Todo::DEFAULT_INCLUDES)
  if params[:context_id]
    context = current_user.contexts.find(params[:context_id])
    @todos = @todos.where('context_id' => context.id)
  end
  if params[:project_id]
    project = current_user.projects.find(params[:project_id])
    @todos = @todos.where('project_id' => project.id)
  end
  @todos = @todos.limit(sanitize(params[:limit])) if params[:limit]

  @not_done_todos = get_not_done_todos

  @projects = current_user.projects.includes(:default_context)
  @contexts = current_user.contexts
  @contexts_to_show = current_user.contexts.active
  @projects_to_show = current_user.projects.active

  # If you've set no_completed to zero, the completed items box isn't shown
  # on the home page
  max_completed = current_user.prefs.show_number_completed
  @done = current_user.todos.completed.limit(max_completed).includes(Todo::DEFAULT_INCLUDES) unless max_completed == 0

  respond_to do |format|
    format.html do
      @page_title = t('todos.task_list_title')
      # Set count badge to number of not-done, not hidden context items
      @count = current_user.todos.active.not_hidden.count(:all)
      @todos_without_project = @not_done_todos.select { |t| t.project.nil? }
    end
    format.m do
      @page_title = t('todos.mobile_todos_page_title')
      @home = true

      cookies[:mobile_url] = { :value => request.fullpath, :secure => SITE_CONFIG['secure_cookies'] }
      determine_down_count

      render :action => 'index'.freeze
    end
    format.text do
      # somehow passing Mime[:text] using content_type to render does not work
      headers['Content-Type'.freeze] = Mime[:text].to_s
      render :content_type => Mime[:text]
    end
    format.xml do
      @xml_todos = params[:limit_to_active_todos] ? @not_done_todos : @todos
      render :xml => @xml_todos.to_xml(*[todo_xml_params[0].merge({ :root => :todos })])
    end
    format.any(:rss, :atom) do
      @feed_title = 'Tracks Actions'.freeze
      @feed_description = "Actions for #{current_user.display_name}"
    end
    format.ics
  end
end

#is_old_due_empty(id) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1120

def is_old_due_empty(id)
  return 0 == count_old_due_empty(id)
end

#list_deferred ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 576

def list_deferred
  @source_view = 'deferred'
  @page_title = t('todos.deferred_tasks_title')

  @contexts_to_show = @contexts = current_user.contexts
  @projects_to_show = @projects = current_user.projects

  includes = params[:format] == 'xml' ? [:context, :project] : Todo::DEFAULT_INCLUDES

  @not_done_todos = current_user.todos.deferred.includes(includes).reorder('show_from') + current_user.todos.pending.includes(includes)
  @todos_without_project = @not_done_todos.select { |t| t.project.nil? }
  @down_count = @count = @not_done_todos.size

  respond_to do |format|
    format.html do
      init_not_done_counts
      init_hidden_todo_counts
      init_data_for_sidebar unless mobile?
    end
    format.m
    format.xml { render :xml => @not_done_todos.to_xml(*[todo_xml_params[0].merge({ :root => :todos })]) }
  end
end

#list_hidden ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 749

def list_hidden
  @hidden = current_user.todos.hidden
  respond_to do |format|
    format.xml { render :xml => @hidden.to_xml(*[todo_xml_params[0].merge({ :root => :todos })]) }
  end
end

#new ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 69

def new
  @projects = current_user.projects.active
  @contexts = current_user.contexts
  respond_to do |format|
    format.m do
      @new_mobile = true
      @return_path = cookies[:mobile_url] ? cookies[:mobile_url] : mobile_path
      @mobile_from_context = current_user.contexts.find(params[:from_context]) if params[:from_context]
      @mobile_from_project = current_user.projects.find(params[:from_project]) if params[:from_project]
      if params[:from_project] && !params[:from_context]
        # we have a project but not a context -> use the default context
        @mobile_from_context = @mobile_from_project.default_context
      end
    end
  end
end

#onsite_redirect_to(destination) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1301

def onsite_redirect_to(destination)
  uri = URI.parse(destination)

  if uri.query.present?
    redirect_to("#{uri.path}?#{uri.query}")
  else
    redirect_to(uri.path)
  end
end

#parse_date_for_update(date, error_msg) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1193

def parse_date_for_update(date, error_msg)
  begin
    parse_date_per_user_prefs(date)
  rescue
    @todo.errors.add(:base, error_msg)
  end
end

#provide_project_or_context_for_view ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 482

def provide_project_or_context_for_view
  # see application_helper:source_view_key, used in shown partials
  if source_view_is :project
    @project = @todo.project
  elsif source_view_is :context
    @context = @todo.context
  end
end

#remove_predecessor ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 291

def remove_predecessor
  @source_view = params['_source_view'] || 'todo'
  @todo = current_user.todos.includes(Todo::DEFAULT_INCLUDES).find(params['id'])
  @predecessor = current_user.todos.find(params['predecessor'])
  @predecessors = @predecessor.predecessors
  @successor = @todo
  @removed = @successor.remove_predecessor(@predecessor)
  determine_remaining_in_container_count(@todo)
  respond_to do |format|
    format.js
  end
end

#set_format_for_tag_view(format) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 888

def set_format_for_tag_view(format)
    # tag name ends with .m, set format to :m en remove .m from name
    request.format = format
    params[:format] = format
    params[:name] = params[:name].chomp(".#{format.to_s}")
end

#set_group_view_by ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 820

def set_group_view_by
  @group_view_by = params['_group_view_by'] || cookies['group_view_by'] || 'context'
end

#show ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 258

def show
  @todo = current_user.todos.find(params['id'])
  respond_to do |format|
    format.m { render :action => 'show' }
    format.xml { render :xml => @todo.to_xml(*[todo_xml_params[0].merge({ :root => :todo })]) }
  end
end

#show_notes ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 795

def show_notes
  @todo = current_user.todos.find(params['id'])
  @return_path = cookies[:mobile_url] ? cookies[:mobile_url] : mobile_path
  respond_to do |format|
    format.html { redirect_to home_path, "Viewing note of todo is not implemented" }
    format.m { render :action => "show_notes" }
  end
end

#tag ⇒ Object

/todos/tag/[tag_name] shows all the actions tagged with tag_name



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# File 'app/controllers/todos_controller.rb', line 621

def tag
  get_params_for_tag_view
  @page_title = t('todos.tagged_page_title', :tag_name => @tag_title)
  @source_view = params['_source_view'] || 'tag'

  init_data_for_sidebar unless mobile?

  todos_with_tag_ids = find_todos_with_tag_expr(@tag_expr)

  @not_done_todos = todos_with_tag_ids
    .active.not_hidden
    .reorder(Arel.sql('todos.due IS NULL, todos.due ASC, todos.created_at ASC'))
    .includes(Todo::DEFAULT_INCLUDES)
  @hidden_todos = todos_with_tag_ids
    .hidden
    .reorder(Arel.sql('todos.completed_at DESC, todos.created_at DESC'))
    .includes(Todo::DEFAULT_INCLUDES)
  @deferred_todos = todos_with_tag_ids
    .deferred
    .reorder(Arel.sql('todos.show_from ASC, todos.created_at DESC'))
    .includes(Todo::DEFAULT_INCLUDES)
  @pending_todos = todos_with_tag_ids
    .blocked
    .reorder(Arel.sql('todos.show_from ASC, todos.created_at DESC'))
    .includes(Todo::DEFAULT_INCLUDES)
  @todos_without_project = @not_done_todos.select { |t| t.project.nil? }

  # If you've set no_completed to zero, the completed items box isn't shown on
  # the tag page
  @done = todos_with_tag_ids.completed
    .limit(current_user.prefs.show_number_completed)
    .reorder('todos.completed_at DESC')
    .includes(Todo::DEFAULT_INCLUDES)

  @projects = current_user.projects
  @contexts = current_user.contexts
  @contexts_to_show = @contexts.active
  @projects_to_show = @projects.active

  # Set defaults for new_action
  @initial_tags = @tag_name

  # Set count badge to number of items with this tag
  @not_done_todos.empty? ? @count = 0 : @count = @not_done_todos.size
  @down_count = @count

  respond_to do |format|
    format.html
    format.m { cookies[:mobile_url] = { :value => request.fullpath, :secure => SITE_CONFIG['secure_cookies'] } }
    format.text { render :action => 'index', :layout => false, :content_type => Mime[:text] }
  end
end

#tag_title(tag_expr) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 844

def tag_title(tag_expr)
  and_list = tag_expr.inject([]) { |s, tag_list| s << tag_list.join(',') }
  return and_list.join(' AND ')
end

#tags ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 701

def tags
  tags_beginning = current_user.tags.where(Tag.arel_table[:name].matches("#{params[:term]}%"))
  tags_all = current_user.tags.where(Tag.arel_table[:name].matches("%#{params[:term]}%"))
  tags_all -= tags_beginning

  respond_to do |format|
    format.autocomplete { render :body => for_autocomplete(tags_beginning + tags_all, params[:term]) }
  end
end

#toggle_check ⇒ Object

Toggles the ‘done’ status of the action



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# File 'app/controllers/todos_controller.rb', line 306

def toggle_check
  @todo = current_user.todos.find(params['id'])

  @source_view = params['_source_view'] || 'todo'

  # Create a (unsaved) copy of the original todo, before it was toggled
  @original_item = current_user.todos.build(@todo.attributes)
  @original_completed_period = DoneTodos.completed_period(@todo.completed_at)

  @todo_was_completed_from_deferred_or_blocked_state =
    @original_item.deferred? || @original_item.pending?

  @saved = @todo.toggle_completion!

  # As a result of toggling the done status of the todo, have we shifted from
  # "Done" to "Blocked"?
  @todo_was_blocked_from_completed_state = @todo.pending?

  # Check if this todo has a related recurring_todo. If so, create next todo
  @new_recurring_todo = check_for_next_todo(@todo) if @saved

  @predecessors = @todo.uncompleted_predecessors
  if @saved
    if @todo.completed?
      @pending_to_activate = @todo.activate_pending_todos
    else
      @active_to_block = @todo.block_successors
    end
  end

  respond_to do |format|
    format.js do
      if @saved
        determine_remaining_in_container_count(@todo)
        determine_down_count
        determine_completed_count
        determine_deferred_tag_count(params['_tag_name']) if source_view_is(:tag)
        @wants_redirect_after_complete = @todo.completed? && !@todo.project_id.nil? && current_user.prefs.show_project_on_todo_done && !source_view_is(:project)
        if source_view_is :calendar
          @original_item_due_id = get_due_id_for_calendar(@original_item.due)
          @old_due_empty = is_old_due_empty(@original_item_due_id)
        end
      end
      render
    end
    format.xml { render :xml => @todo.to_xml(*todo_xml_params) }
    format.html do
      if @saved
        # TODO: I think this will work, but can't figure out how to test it
        notify(:notice, t("todos.action_marked_complete", :description => @todo.description, :completed => @todo.completed? ? 'complete' : 'incomplete'))
        redirect_to :action => "index"
      else
        notify(:notice, t("todos.action_marked_complete_error", :description => @todo.description, :completed => @todo.completed? ? 'complete' : 'incomplete'), "index")
        redirect_to :action => "index"
      end
    end
    format.m do
      if @saved
        if cookies[:mobile_url]
          old_path = cookies[:mobile_url]
          cookies[:mobile_url] = { :value => nil, :secure => SITE_CONFIG['secure_cookies'] }
          notify(:notice, t("todos.action_marked_complete", :description => @todo.description, :completed => @todo.completed? ? 'complete' : 'incomplete'))
          onsite_redirect_to old_path
        else
          notify(:notice, t("todos.action_marked_complete", :description => @todo.description, :completed => @todo.completed? ? 'complete' : 'incomplete'))
          onsite_redirect_to todos_path(:format => 'm')
        end
      else
        render :action => "edit", :format => :m
      end
    end
  end
end

#toggle_star ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 380

def toggle_star
  @todo = current_user.todos.find(params['id'])
  @todo.toggle_star!
  @saved = true # cannot determine error
  respond_to do |format|
    format.js
    format.xml { render :xml => @todo.to_xml(*todo_xml_params) }
    format.html { redirect_to request.referrer }
    format.m do
      if cookies[:mobile_url]
        old_path = cookies[:mobile_url]
        cookies[:mobile_url] = { :value => nil, :secure => SITE_CONFIG['secure_cookies'] }
        notify(:notice, "Star toggled")
        onsite_redirect_to old_path
      else
        notify(:notice, "Star toggled")
        onsite_redirect_to todos_path(:format => 'm')
      end
    end
  end
end

#update ⇒ Object 



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# File 'app/controllers/todos_controller.rb', line 421

def update
  @source_view = params['_source_view'] || 'todo'

  @todo = current_user.todos.find(params['id'])
  @original_item = current_user.todos.build(@todo.attributes)  # create a (unsaved) copy of the original todo
  @original_item_due_id = get_due_id_for_calendar(@original_item.due)

  update_tags
  update_project
  update_context
  update_due_and_show_from_dates
  update_completed_state
  update_dependencies
  update_attributes_of_todo

  begin
    @saved = @todo.save!
  rescue ActiveRecord::RecordInvalid => exception
    record = exception.record
    if record.is_a?(Dependency)
      record.errors.each { |key, value| @todo.errors.add(key, value) }
    end
    @saved = false
  end

  provide_project_or_context_for_view

  # this is set after save and cleared after reload, so save it here
  @removed_predecessors = @todo.removed_predecessors

  @todo.reload # refresh context and project object too (not only their id's)

  update_dependency_state
  if @project_changed
    @remaining_undone_in_project = current_user.projects.find(@original_item.project_id).todos.active.count if source_view_is :project
  end

  determine_changes_by_this_update
  determine_remaining_in_container_count((@context_changed || @project_changed) ? @original_item : @todo)
  determine_down_count
  determine_deferred_tag_count(sanitize(params['_tag_name'])) if source_view_is(:tag)

  @todo.touch_predecessors if @original_item.description != @todo.description

  respond_to do |format|
    format.js do
      @status_message = @todo.deferred? ? t('todos.action_saved_to_tickler') : t('todos.action_saved')
      @status_message = t('todos.added_new_project') + ' / ' + @status_message if @new_project_created
      @status_message = t('todos.added_new_context') + ' / ' + @status_message if @new_context_created
    end
    format.xml { render :xml => @todo.to_xml(*todo_xml_params) }
    format.m do
      if @saved
        do_mobile_todo_redirection
      else
        render :action => "edit", :format => :m
      end
    end
  end
end

#update_attributes_of_todo ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1243

def update_attributes_of_todo
  # TODO: duplication with todo_create_params_helper
  @todo.attributes = params.require(:todo).permit(
      :context_id, :project_id, :description, :notes,
      :due, :show_from, :state)
end

#update_completed_state ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1209

def update_completed_state
  if params['done'] == '1' && !@todo.completed?
    @todo.complete!
    @todo.activate_pending_todos
  end
  # strange. if checkbox is not checked, there is no 'done' in params.
  # Therefore I've used the negation
  if !(params['done'] == '1') && @todo.completed?
    @todo.activate!
    @todo.block_successors
  end
end

#update_context ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1167

def update_context
  @context_changed = false
  if params['todo']['context_id'].blank? && params['context_name'].present?
    @context = current_user.contexts.where(:name => params['context_name'].strip).first
    if @context.nil?
      @new_context = current_user.contexts.build
      @new_context.name = params['context_name'].strip
      @new_context.save
      @new_context_created = true
      @new_container = @new_context
      @not_done_todos = [@todo]
      @context = @new_context
    end
    params["todo"]["context_id"] = @context.id
    @context_changed = @original_item.context_id != params["todo"]["context_id"] = @context.id
  end
end

#update_date_for_update(key) ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1201

def update_date_for_update(key)
  params['todo'][key] = params["todo"].key?(key) ? parse_date_for_update(params["todo"][key], t("todos.error.invalid_#{key}_date")) : ""
end

#update_dependencies ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1222

def update_dependencies
  @todo.add_predecessor_list(params[:predecessor_list])
end

#update_dependency_state ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1226

def update_dependency_state
  # assumes @todo.save was called so that the predecessor_list is persistent
  original_item_predecessor_list =
    @original_item.predecessors
      .map { |t| t.specification }
      .join(', ')

  if original_item_predecessor_list != params[:predecessor_list]
    # Possible state change with new dependencies
    if @todo.uncompleted_predecessors.empty?
      @todo.activate! if @todo.state == 'pending' # Activate pending if no uncompleted predecessors
    else
      @todo.block! if @todo.state == 'active' # Block active if we got uncompleted predecessors
    end
  end
end

#update_due_and_show_from_dates ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1205

def update_due_and_show_from_dates
  %w{ due show_from }.each { |date| update_date_for_update(date) }
end

#update_project ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1146

def update_project
  @project_changed = false
  if params['todo']['project_id'].blank? && !params['project_name'].nil?
    if params['project_name'].blank?
      project = Project.null_object
    else
      project = current_user.projects.where(:name => params['project_name'].strip).first
      unless project
        project = current_user.projects.build
        project.name = params['project_name'].strip
        project.save
        @new_project_created = true
        @new_container = project
        @not_done_todos = [@todo]
      end
    end
    params["todo"]["project_id"] = project.id
    @project_changed = @original_item.project_id != params["todo"]["project_id"] = project.id
  end
end

#update_tags ⇒ Object (private) 



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# File 'app/controllers/todos_controller.rb', line 1185

def update_tags
  if params[:tag_list]
    @todo.tag_with(params[:tag_list])
    # Force a reload for proper rendering
    @todo.tags.reload
  end
end