Module: Crud::ClassMethods

Defined in:
vendor/plugins/refinery/lib/crud.rb

Instance Method Summary collapse

Instance Method Details

#crudify(model_name, new_options = {}) ⇒ Object



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# File 'vendor/plugins/refinery/lib/crud.rb', line 20

def crudify(model_name, new_options = {})
  options = {
    :title_attribute => "title",
    :order => 'position ASC',
    :conditions => '',
    :sortable => true,
    :searchable => true,
    :include => [],
    :paging => true,
    :search_conditions => ''
  }.merge!(new_options)

  singular_name = model_name.to_s
  class_name = singular_name.camelize
  plural_name = singular_name.pluralize

  module_eval %(
    before_filter :find_#{singular_name}, :only => [:update, :destroy, :edit]

    def new
      @#{singular_name} = #{class_name}.new
    end

    def create
      # if the position field exists, set this object as last object, given the conditions of this class.
      if #{class_name}.column_names.include?("position")
        params[:#{singular_name}].merge!({:position => #{class_name}.maximum(:position, :conditions => "#{options[:conditions]}") + 1})
      end

      if (@#{singular_name} = #{class_name}.create(params[:#{singular_name}])).valid?
        unless request.xhr?
          flash[:notice] = "'\#{@#{singular_name}.#{options[:title_attribute]}}' was successfully created."
        else
          flash.now[:notice] = "'\#{@#{singular_name}.#{options[:title_attribute]}}' was successfully created."
        end
        unless params[:continue_editing] =~ /true|on|1/
          redirect_to admin_#{plural_name}_url
        else
          unless request.xhr?
            redirect_to :back
          else
            render :partial => "/shared/message"
          end
        end
      else
        unless request.xhr?
          render :action => 'new'
        else
          render :partial => "/shared/admin/error_messages_for", :locals => {:symbol => :#{singular_name}, :object => @#{singular_name}}
        end
      end
    end

    def edit
      @#{singular_name} = #{class_name}.find(params[:id])
    end

    def update
      if @#{singular_name}.update_attributes(params[:#{singular_name}])
        unless request.xhr?
          flash[:notice] = "'\#{@#{singular_name}.#{options[:title_attribute]}}' was successfully updated."
        else
          flash.now[:notice] = "'\#{@#{singular_name}.#{options[:title_attribute]}}' was successfully updated."
        end
        unless params[:continue_editing] =~ /true|on|1/
          redirect_to admin_#{plural_name}_url
        else
          unless request.xhr?
            redirect_to :back
          else
            render :partial => "/shared/message"
          end
        end
      else
        unless request.xhr?
          render :action => 'edit'
        else
          render :partial => "/shared/admin/error_messages_for", :locals => {:symbol => :#{singular_name}, :object => @#{singular_name}}
        end
      end
    end

    def destroy
      flash[:notice] = "'\#{@#{singular_name}.#{options[:title_attribute]}}' was successfully deleted." if @#{singular_name}.destroy
      redirect_to admin_#{plural_name}_url
    end

    def find_#{singular_name}
      @#{singular_name} = #{class_name}.find(params[:id], :include => %w(#{options[:include].join(' ')}))
    end

    def find_all_#{plural_name}
      @#{plural_name} = #{class_name}.find  :all,
                                            :order => "#{options[:order]}",
                                            :conditions => "#{options[:conditions]}",
                                            :include => %w(#{options[:include].join(' ')})
    end

    def paginate_all_#{plural_name}
      @#{plural_name} = #{class_name}.paginate :page => params[:page],
                                               :order => "#{options[:order]}",
                                               :conditions => "#{options[:conditions]}",
                                               :include => %w(#{options[:include].join(' ')})
    end

    def search_all_#{plural_name}
      @#{plural_name} = #{class_name}.find_with_index params[:search],
                                               :order => "#{options[:order]}",
                                               :conditions => "#{options[:search_conditions]}",
                                               :include => %w(#{options[:include].join(' ')})
    end

    def search_and_paginate_all_#{plural_name}
      @#{plural_name} = #{class_name}.paginate_search params[:search],
                                               :page => params[:page],
                                               :order => "#{options[:order]}",
                                               :conditions => "#{options[:search_conditions]}",
                                               :include => %w(#{options[:include].join(' ')})
    end

    protected :find_#{singular_name}, :find_all_#{plural_name}, :paginate_all_#{plural_name}, :search_all_#{plural_name}, :search_and_paginate_all_#{plural_name}

  )

  if options[:searchable]
    if options[:paging]
      module_eval %(
        def index
          if searching?
            search_and_paginate_all_#{plural_name}
          else
            paginate_all_#{plural_name}
          end
        end
      )
    else
      module_eval %(
        def index
          if searching?
            search_all_#{plural_name}
          else
            find_all_#{plural_name}
          end
        end
      )
    end

  else
    if options[:paging]
      module_eval %(
        def index
          paginate_all_#{plural_name}
        end
      )
    else
      module_eval %(
        def index
          find_all_#{plural_name}
        end
      )
    end

  end

  if options[:sortable]
    module_eval %(
      def reorder
        find_all_#{plural_name}
      end

      def update_positions
        unless params[:tree] == "true"
          params[:sortable_list].each_with_index do |i, index|
            #{class_name}.find(i).update_attribute(:position, index)
          end
        else
          params[:sortable_list].each do |position, id_hash|
            parse_branch(position, id_hash, nil)
          end
        end

        find_all_#{plural_name}
        render :partial => 'sortable_list', :layout => false, :locals => {:continue_reordering => params[:continue_reordering]}
      end

      # takes in a single branch and saves the nodes inside it
      def parse_branch(position, id_hash, parent_id)
        id_hash.each do |pos, id|
          parse_branch(pos, id, id_hash["id"]) unless pos == "id"
        end if id_hash.include?('0')

        #{class_name}.update(id_hash["id"], :parent_id => parent_id, :position => position)
      end

      protected :parse_branch
    )
  end

end