trustieforge/app/controllers/stores_controller.rb

# Trustie - education management software
# Copyright (C) 2013-2014
class StoresController < ApplicationController
  layout 'base_stores'
  # menu_item :overview
  # menu_item :roadmap, :only => :roadmap
  # menu_item :settings, :only => :settings

  # include ActsAsTaggableOn::TagsHelper
  LIMIT = 20 unless const_defined?(:LIMIT)
  def index
  	#Document HomeworkAttach Issue Message News Version WikiPage

  	@projects_attach = Attachment.includes(:attach_project).where("projects.project_type=?", 0).
  						reorder("#{Attachment.table_name}.created_on DESC").
  						limit(LIMIT)

    @courses_attach = Attachment.includes(:attach_project).where("projects.project_type=?", 1).
    					reorder("#{Attachment.table_name}.created_on DESC").
    					limit(LIMIT)
    @homeworks_attach = Attachment.where("container_type = 'HomeworkAttach'").
    					reorder("created_on DESC").
    					limit(LIMIT)
    @memos_attach = Attachment.where("container_type = 'Memo'").
    					reorder("created_on DESC").
    					limit(LIMIT)
  end
  
  private
  #Document HomeworkAttach Issue Message News Version WikiPage
  def project_classification project_type=0
  	#Document HomeworkAttach Issue Message News Version WikiPage
  	doc_attach = Attachment.joins(str_join_table("documents")).where("projects.project_type=#{project_type}")
  	issue_attach = Attachment.joins(str_join_table("issues")).where("projects.project_type=#{project_type}")
  	mess_attach = Attachment.joins(str_join_table("messages")).where("projects.project_type=#{project_type}")
  end

  def str_join_table tableName
  	str = "LEFT JOIN #{tableName} ON attachments.container_id = #{tableName}.id 
  		LEFT JOIN projects ON #{tableName}.project_id = projects.id"
  	str
  end
end