Refactor common changeset element subpages code

[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 6db32797adffe5c582a381f8000781ae4090e97e..9af36709eb20be1a2055a964daf2697d3443af1f 100644 (file)
--- a/app/controllers/diary_entries_controller.rb
+++ b/app/controllers/diary_entries_controller.rb
@@ -1,5 +1,6 @@
 class DiaryEntriesController < ApplicationController
   include UserMethods
+  include PaginationMethods
 
   layout "site", :except => :rss
 
@@ -11,7 +12,8 @@ class DiaryEntriesController < ApplicationController
 
   before_action :lookup_user, :only => [:show, :comments]
   before_action :check_database_writable, :only => [:new, :create, :edit, :update, :comment, :hide, :hidecomment, :subscribe, :unsubscribe]
-  before_action :allow_thirdparty_images, :only => [:new, :create, :edit, :update, :index, :show, :comments]
+
+  allow_thirdparty_images :only => [:new, :create, :edit, :update, :index, :show, :comments]
 
   def index
     if params[:display_name]
@@ -47,6 +49,8 @@ class DiaryEntriesController < ApplicationController
         @title = t ".in_language_title", :language => Language.find(params[:language]).english_name
         entries = entries.where(:language_code => params[:language])
       else
+        candidate_codes = preferred_languages.flat_map(&:candidates).uniq.map(&:to_s)
+        @languages = Language.where(:code => candidate_codes).in_order_of(:code, candidate_codes)
         @title = t ".title"
       end
     end
@@ -55,7 +59,7 @@ class DiaryEntriesController < ApplicationController
 
     @params = params.permit(:display_name, :friends, :nearby, :language)
 
-    @entries, @newer_entries_id, @older_entries_id = get_page_items(entries, [:user, :language])
+    @entries, @newer_entries_id, @older_entries_id = get_page_items(entries, :includes => [:user, :language])
   end
 
   def show
@@ -155,21 +159,25 @@ class DiaryEntriesController < ApplicationController
   end
 
   def subscribe
-    diary_entry = DiaryEntry.find(params[:id])
+    @diary_entry = DiaryEntry.find(params[:id])
 
-    diary_entry.subscriptions.create(:user => current_user) unless diary_entry.subscribers.exists?(current_user.id)
+    if request.post?
+      @diary_entry.subscriptions.create(:user => current_user) unless @diary_entry.subscribers.exists?(current_user.id)
 
-    redirect_to diary_entry_path(diary_entry.user, diary_entry)
+      redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
+    end
   rescue ActiveRecord::RecordNotFound
     render :action => "no_such_entry", :status => :not_found
   end
 
   def unsubscribe
-    diary_entry = DiaryEntry.find(params[:id])
+    @diary_entry = DiaryEntry.find(params[:id])
 
-    diary_entry.subscriptions.where(:user => current_user).delete_all if diary_entry.subscribers.exists?(current_user.id)
+    if request.post?
+      @diary_entry.subscriptions.where(:user => current_user).delete_all if @diary_entry.subscribers.exists?(current_user.id)
 
-    redirect_to diary_entry_path(diary_entry.user, diary_entry)
+      redirect_to diary_entry_path(@diary_entry.user, @diary_entry)
+    end
   rescue ActiveRecord::RecordNotFound
     render :action => "no_such_entry", :status => :not_found
   end
@@ -240,7 +248,7 @@ class DiaryEntriesController < ApplicationController
 
     @params = params.permit(:display_name, :before, :after)
 
-    @comments, @newer_comments_id, @older_comments_id = get_page_items(comments, [:user])
+    @comments, @newer_comments_id, @older_comments_id = get_page_items(comments, :includes => [:user])
   end
 
   private
@@ -276,24 +284,4 @@ class DiaryEntriesController < ApplicationController
       @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_id = page_items.first.id if page_items.count.positive? && items.exists?(["#{id_column} > ?", page_items.first.id])
-    older_items_id = page_items.last.id if page_items.count.positive? && items.exists?(["#{id_column} < ?", page_items.last.id])
-
-    [page_items, newer_items_id, older_items_id]
-  end
 end