fix post_tag and if bulletin's rss2_sn is the same not insert

app/helpers/admin/announcements_helper.rb

@@ -216,39 +216,45 @@ module Admin::AnnouncementsHelper
 
     doc.xpath("//channel").each do|channel_data|
       channel_data.xpath('//item').each  do|itme|
-        bu = Bulletin.new  
-        bu.approved = true
-        bu.title_translations = {"en" => itme.xpath('title').text, "zh_tw" => itme.xpath('title').text}
-        bu.text_translations  = {"en" => itme.xpath('content:encoded').text, "zh_tw" => itme.xpath('content:encoded').text}
-        bu.postdate = itme.xpath('wp:post_date').text
 
-        itme.xpath('category').each do |i_cate|
+        bu = Bulletin.where(:rss2_sn =>  itme.xpath('wp:post_id').text ).first rescue nil
-          if i_cate["domain"].to_s == "category"
+        if bu.nil?
+            bu = Bulletin.new
+            bu.approved = true
+            bu.rss2_sn            = itme.xpath('wp:post_id').text
+            bu.title_translations = {"en" => itme.xpath('title').text, "zh_tw" => itme.xpath('title').text}
+            bu.text_translations  = {"en" => itme.xpath('content:encoded').text, "zh_tw" => itme.xpath('content:encoded').text}
+            bu.postdate           = itme.xpath('wp:post_date').text
 
-            cat = @module_app.categories.where(:title => i_cate.text.to_s).first rescue nil
+            itme.xpath('category').each do |i_cate|
-            if cat.nil?
+              if i_cate["domain"].to_s == "category"
-              cat = Category.new
+
-              cat.module_app  = @module_app
+                  cat = @module_app.categories.where(:title => i_cate.text.to_s).first rescue nil
-              cat.title_translations = {"en" => i_cate.text.to_s, "zh_tw" => i_cate.text.to_s}
+                  if cat.nil?
-              cat.save
+                    cat = Category.new
+                    cat.module_app  = @module_app
+                    cat.title_translations = {"en" => i_cate.text.to_s, "zh_tw" => i_cate.text.to_s}
+                    cat.save
+                  end
+                  bu.category = cat
+
+              elsif i_cate["domain"].to_s == "post_tag"
+
+                  tag = Tag.where(:name =>  i_cate.text.to_s ).first rescue nil
+                  if tag.nil?
+                    tag = Tag.new
+                    tag.name_translations = {"en" => i_cate.text.to_s, "zh_tw" => i_cate.text.to_s}
+                    tag.module_app_ids << @module_app.id
+                    tag.save
+                  end
+
+                  bu.tags = tag
+              end
             end
 
-            bu.category = cat
-
-          elsif i_cate["domain"].to_s == "post_tag"
-            
-            tag = Tag.where(:name =>  i_cate.text.to_s )             
-            if tag.nil? == false
-              tag = Tag.new                    
-              tag.name_translations = {"en" => i_cate.text.to_s, "zh_tw" => i_cate.text.to_s}                          
-              tag.module_app_ids << @module_app.id              
-              tag.save
-            end 
-
-            bu.tags=tag
-          end                         
-        end         
         bu.save
+        end
+
       end
     end
     File.delete(xmlfile)