修改首页定制中热门项目排序方式的实现

app/controllers/welcome_controller.rb

@@ -24,24 +24,19 @@ class WelcomeController < ApplicationController
  
   def index
     @first_page = FirstPage.where("page_type = 'project'").first
-    @hot_projects = find_miracle_project(10, 3)
-    @hot_projects_ids = []
-    @hot_projects.each do |p|
-      @hot_projects_ids << p
-    end
-    @projects_all = Project.active.visible.
-        joins("LEFT JOIN #{ProjectStatus.table_name} ON #{Project.table_name}.id = #{ProjectStatus.table_name}.project_id").
-        where("#{Project.table_name}.project_type = ? and #{Project.table_name}.id in (?)", Project::ProjectType_project,@hot_projects_ids)
     if @first_page.nil? ||  @first_page.sort_type.nil?
-      @projects = @projects_all.order("grade desc")
+      @projects = find_miracle_project(10, 3,"grade desc")
     else
       case @first_page.sort_type
         when 0
-          @projects =  @projects_all.order("created_on desc")
+          @projects = find_miracle_project(10, 3,"created_on desc")
+          #@projects =  @projects_all.order("created_on desc")
         when 1
-          @projects = @projects_all.order("grade desc")
+          @projects = find_miracle_project(10, 3,"grade desc")
+          #@projects = @projects_all.order("grade desc")
         when 2
-          @projects = @projects_all.order("watchers_count desc")
+          @projects = find_miracle_project(10, 3,"watchers_count desc")
+          #@projects = @projects_all.order("watchers_count desc")
 
         #gcm
         #when '3'

app/helpers/welcome_helper.rb

@@ -203,12 +203,12 @@ module WelcomeHelper
     #end
   end
 
-  def find_miracle_project(sum, max_rate)
+  def find_miracle_project(sum, max_rate,order)
     #max = sum*(max_rate.to_f/10)
     #c1 = find_new_project(sum).to_a.dup
     #c2 = find_all_hot_project(sum).to_a.dup
     #(c2.take(sum-max)+c1.take(max)).take(sum)
-    find_all_hot_project(sum).dup#.to_a.dup
+    find_all_hot_project(sum,order).to_a.dup
   end
   
   def find_new_course limit=15
@@ -220,8 +220,8 @@ module WelcomeHelper
   end
 
 
-  def find_all_hot_project limit=15
-    sort_project_by_hot limit
+  def find_all_hot_project limit=15,order
+    sort_project_by_hot limit,order
   end
 
   def find_all_hot_course limit=15
@@ -366,8 +366,9 @@ module WelcomeHelper
 
   private
 
-  def sort_project_by_hot limit=15
-    sort_project_by_hot_rails 0, 'grade DESC', limit
+  def sort_project_by_hot limit=15,order
+    #'grade DESC'
+    sort_project_by_hot_rails 0,order , limit
   end
 
   def sort_course_by_hot limit=15
@@ -433,7 +434,7 @@ module WelcomeHelper
 			# FROM projects AS p LEFT OUTER JOIN (
 				# SELECT project_id,grade FROM project_statuses
 				# WHERE project_type = #{project_type} ORDER BY #{order_by} LIMIT #{limit} ) AS t ON p.id = t.project_id ")
-    Project.visible.joins(:project_status).where("#{Project.table_name}.project_type = ?", project_type).order(order_by).limit(limit)#.all
+    Project.visible.joins(:project_status).where("#{Project.table_name}.project_type = ?", project_type).order(order_by).limit(limit).all
   end
 
   def sort_bid_by_hot_rails reward_type, limit = 10

db/migrate/20140724080319_change_option_number.rb

@@ -0,0 +1,6 @@
+class ChangeOptionNumber < ActiveRecord::Migration
+  def change
+    change_column("option_numbers","user_id",:integer)
+    add_column("option_numbers","project_id",:integer)
+  end
+end