Refactor diary paging queries

[rails.git] / app / controllers / diary_entries_controller.rb

diff --git a/app/controllers/diary_entries_controller.rb b/app/controllers/diary_entries_controller.rb
index ea9aacb21d97f5e72b18e95fc3e28635cf89d903..e7eb53d59bba0e53db76005748db00b5bbbab42c 100644 (file)
--- a/app/controllers/diary_entries_controller.rb
+++ b/app/controllers/diary_entries_controller.rb
@@ -1,4 +1,6 @@
 class DiaryEntriesController < ApplicationController
 class DiaryEntriesController < ApplicationController

+  include UserMethods
+

   layout "site", :except => :rss
 
   before_action :authorize_web
   layout "site", :except => :rss
 
   before_action :authorize_web


@@ -25,7 +27,7 @@ class DiaryEntriesController < ApplicationController
     elsif params[:friends]
       if current_user
         @title = t ".title_friends"
     elsif params[:friends]
       if current_user
         @title = t ".title_friends"

-        entries = DiaryEntry.where(:user_id => current_user.friends)
+        entries = DiaryEntry.where(:user => current_user.friends)

       else
         require_user
         return
       else
         require_user
         return


@@ -33,7 +35,7 @@ class DiaryEntriesController < ApplicationController
     elsif params[:nearby]
       if current_user
         @title = t ".title_nearby"
     elsif params[:nearby]
       if current_user
         @title = t ".title_nearby"

-        entries = DiaryEntry.where(:user_id => current_user.nearby)
+        entries = DiaryEntry.where(:user => current_user.nearby)

       else
         require_user
         return
       else
         require_user
         return


@@ -53,20 +55,7 @@ class DiaryEntriesController < ApplicationController
 
     @params = params.permit(:display_name, :friends, :nearby, :language)
 
 
     @params = params.permit(:display_name, :friends, :nearby, :language)
 

-    @entries = if params[:before]
-                 entries.where("diary_entries.id < ?", params[:before]).order(:id => :desc)
-               elsif params[:after]
-                 entries.where("diary_entries.id > ?", params[:after]).order(:id => :asc)
-               else
-                 entries.order(:id => :desc)
-               end
-
-    @entries = @entries.limit(20)
-    @entries = @entries.includes(:user, :language)
-    @entries = @entries.sort.reverse
-
-    @newer_entries = @entries.count.positive? && entries.exists?(["diary_entries.id > ?", @entries.first.id])
-    @older_entries = @entries.count.positive? && entries.exists?(["diary_entries.id < ?", @entries.last.id])
+    @entries, @newer_entries, @older_entries = get_page_items(entries, [:user, :language])

   end
 
   def show
   end
 
   def show


@@ -246,15 +235,12 @@ class DiaryEntriesController < ApplicationController
   def comments
     @title = t ".title", :user => @user.display_name
 
   def comments
     @title = t ".title", :user => @user.display_name
 

-    conditions = { :user_id => @user }
+    comments = DiaryComment.where(:users => @user)
+    comments = comments.visible unless can? :unhidecomment, DiaryEntry

 
 

-    conditions[:visible] = true unless can? :unhidecomment, DiaryEntry
+    @params = params.permit(:display_name)

 
 

-    @comment_pages, @comments = paginate(:diary_comments,
-                                         :conditions => conditions,
-                                         :order => "created_at DESC",
-                                         :per_page => 20)
-    @page = (params[:page] || 1).to_i
+    @comments, @newer_comments, @older_comments = get_page_items(comments, [:user])

   end
 
   private
   end
 
   private


@@ -280,7 +266,7 @@ class DiaryEntriesController < ApplicationController
       @lon = @diary_entry.longitude
       @lat = @diary_entry.latitude
       @zoom = 12
       @lon = @diary_entry.longitude
       @lat = @diary_entry.latitude
       @zoom = 12

-    elsif current_user.home_lat.nil? || current_user.home_lon.nil?
+    elsif !current_user.home_location?

       @lon = params[:lon] || -0.1
       @lat = params[:lat] || 51.5
       @zoom = params[:zoom] || 4
       @lon = params[:lon] || -0.1
       @lat = params[:lat] || 51.5
       @zoom = params[:zoom] || 4


@@ -290,4 +276,24 @@ class DiaryEntriesController < ApplicationController
       @zoom = 12
     end
   end
       @zoom = 12
     end
   end

+
+  def get_page_items(items, includes)
+    id_column = "#{items.table_name}.id"
+    page_items = if params[:before]
+                   items.where("#{id_column} < ?", params[:before]).order(:id => :desc)
+                 elsif params[:after]
+                   items.where("#{id_column} > ?", params[:after]).order(:id => :asc)
+                 else
+                   items.order(:id => :desc)
+                 end
+
+    page_items = page_items.limit(20)
+    page_items = page_items.includes(includes)
+    page_items = page_items.sort.reverse
+
+    newer_items = page_items.count.positive? && items.exists?(["#{id_column} > ?", page_items.first.id])
+    older_items = page_items.count.positive? && items.exists?(["#{id_column} < ?", page_items.last.id])
+
+    [page_items, newer_items, older_items]
+  end

 end
 end