Class: GroupsController

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

Instance Method Summary collapse

Methods inherited from ApplicationController

#current_navable, #current_navable=, #current_user, #point_navigation_to, #redirect_www_subdomain, #set_locale

Instance Method Details

#create ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 139

def create
  if secure_parent_type.present? && params[:parent_id].present?
    @parent = secure_parent_type.constantize.find(params[:parent_id]).child_groups
  else
    @parent = Group
  end
  if can? :manage, @parent
    @new_group = @parent.create(name: I18n.t(:new_group))
  end
  respond_with @new_group
end

#destroy ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 151

def destroy
  @group.destroy
  respond_to do |format|
    format.json { head :no_content }
  end
end

#index ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 5

def index
  point_navigation_to Page.intranet_root
  respond_with @groups
end

#index_mine ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 10

def index_mine
  point_navigation_to current_user
  @groups = current_user.groups
  respond_with @groups
end

#show ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 16

def show
  if @group

    if request.format.html? || request.format.xls? || request.format.csv? || request.format.json?
      Rack::MiniProfiler.step('groups#show controller: fetch memberships') do 
        # If this is a collection group, e.g. the corporations_parent group, 
        # do not list the single members.
        #
        if @group.group_of_groups?
          @memberships = []
          @child_groups = @group.child_groups - [@group.find_officers_parent_group]

        # This is a regular group.
        #
        else
          @memberships = @group.memberships_for_member_list
        end
      end
      
      # The user might provide a `valid_from` option as constraint on the validity range.
      # 
      if params[:valid_from].present?
        @memberships = @memberships.started_after(params[:valid_from].to_datetime)
      end
      
      Rack::MiniProfiler.step('groups#show controller: cancan') do
        # Make sure only members that are allowed to be seen are in this array!
        #
        allowed_members = @group.members.accessible_by(current_ability)
        allowed_memberships = @group.memberships.where(descendant_id: allowed_members.map(&:id))
        @memberships = @memberships & allowed_memberships
      end
      
      Rack::MiniProfiler.step('groups#show controller: fetch members') do
        # Fill also the members into a separate variable.
        #
        @members = @group.members.includes(:links_as_child).where(dag_links: {id: @memberships.map(&:id)})
        
        # For some special groups, the first method of retreiving the members does not work.
        # Fallback to these slower methods:
        @members = User.includes(:links_as_child).where(dag_links: {id: @memberships.map(&:id)}) if @members.empty?
        @members = @memberships.collect { |membership| membership.user } if @members.empty?
      end
      
      # for performance reasons deactivated for the moment.
      # fill_map_address_fields
      @large_map_address_fields = []
      
      # @posts = @group.posts.order("sent_at DESC").limit(10)
      
      @new_user_group_membership = @group.build_membership
    end
  end
  
  if request.format.csv? || request.format.xls?
    list_preset = params[:list]
    list_preset_i18n = I18n.translate(list_preset) if list_preset.present?
    @file_title = "#{@group.name} #{list_preset_i18n} #{Time.zone.now}".parameterize

    if list_preset.in? ['member_development', 'join_statistics']
      @list_export = ListExport.new(@group, list_preset)
    else
      @list_export = ListExport.new(@members, list_preset)
    end
  end
  
  respond_to do |format|
    format.html do
      authorize! :read, @group
      point_navigation_to @group
      current_user.try(:update_last_seen_activity, "sieht sich Mitgliederlisten an: #{@group.title}", @group)
    end
    format.json do
      authorize! :read, @group
      render json: @group.serializable_hash.merge({member_count: @memberships.count})
    end
    format.csv do
      authorize! :read, @group
      authorize! :export_member_list, @group
      
      # See: http://railscasts.com/episodes/362-exporting-csv-and-excel
      #bom = "\377\376".force_encoding('utf-16le')
      bom = "\xEF\xBB\xBF".force_encoding('utf-8') # UTF-8
      
      csv_data = bom + @list_export.to_csv
      send_data csv_data, filename: "#{@file_title}.csv"
    end
    format.xls do
      authorize! :read, @group
      authorize! :export_member_list, @group

      send_data(@list_export.to_xls, type: 'application/xls; charset=utf-8; header=present', filename: "#{@file_title}.xls")
    end  
    format.pdf do
      authorize! :read, @group
      authorize! :export_member_list, @group
      
      if params[:sender].present?
        # TODO: This should not be inside a GET request; but I wasn't sure how to do it properly.
        session[:address_labels_pdf_sender] = params[:sender]
      end
      options = {sender: params[:sender], book_rate: params[:book_rate]}
      file_title = "#{I18n.t(:address_labels)} #{@group.name} #{Time.zone.now}".parameterize
      
      # Possible dispositions: attachment, inline.
      # Windows users with the Adobe Reader browser plugin can't print with 100% scale from the browser plugin.
      # They would need to download and open the file in Adobe Reader standalone to print at 100% scale.
      # Therefore, we use 'attachment' here in order to prevent the use of the browser plugin.
      #
      send_data(@group.members_to_pdf(options), filename: "#{file_title}.pdf", type: 'application/pdf', disposition: 'attachment')
    end
  end
  
  metric_logger.log_event @group.try(:attributes), type: :show_group
end

#update ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 132

def update
  @group.update_attributes(group_params)
  respond_to do |format|
    format.json { respond_with_bip @group.reload }
  end
end