fix for upgrading 4.2 to 4.5

app/uploaders/asset_uploader.rb

@@ -21,6 +21,29 @@ class AssetUploader < CarrierWave::Uploader::Base
     "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
 
+    # override
+  def filename
+    @original_filename
+  end
+
+  # override
+  def original_filename=(filename)
+    @original_filename = super(filename)
+
+    if(@original_filename.bytesize > 200)
+      original_file_extension = File.extname(@original_filename)
+
+      @original_filename.force_encoding("ascii-8bit")
+      @original_filename = @original_filename[0, (200 - original_file_extension.bytesize)]
+      @original_filename.encode!("UTF-16BE", "UTF-8", :invalid => :replace, :undef => :replace, :replace => '')
+      @original_filename.encode!("UTF-8")
+
+      @original_filename += original_file_extension
+    end
+
+    @original_filename
+  end
+
   # Provide a default URL as a default if there hasn't been a file uploaded:
   # def default_url
   #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')

app/uploaders/image_uploader.rb

@@ -19,6 +19,28 @@ class ImageUploader < CarrierWave::Uploader::Base
     "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
 
+   # override
+  def filename
+    @original_filename
+  end
+
+  # override
+  def original_filename=(filename)
+    @original_filename = super(filename)
+
+    if(@original_filename.bytesize > 200)
+      original_file_extension = File.extname(@original_filename)
+
+      @original_filename.force_encoding("ascii-8bit")
+      @original_filename = @original_filename[0, (200 - original_file_extension.bytesize)]
+      @original_filename.encode!("UTF-16BE", "UTF-8", :invalid => :replace, :undef => :replace, :replace => '')
+      @original_filename.encode!("UTF-8")
+
+      @original_filename += original_file_extension
+    end
+
+    @original_filename
+  end
   # Provide a default URL as a default if there hasn't been a file uploaded:
   # def default_url
   #   # For Rails 3.1+ asset pipeline compatibility:

lib/tasks/upgrade.rake

@@ -50,6 +50,8 @@ namespace :upgrade do
 	    	bulletin.other_mailaddress = announcement["other_mailaddress"]
 	    	bulletin.public = announcement["public"]
 	    	bulletin.subtitle_translations = announcement["subtitle"]
+	    	announcement["text"]["en"] = smart_downloader(announcement["text"]["en"], args.url.chomp("/"))
+	    	announcement["text"]["zh_tw"] = smart_downloader(announcement["text"]["zh_tw"], args.url.chomp("/"))
 	    	bulletin.text_translations = announcement["text"]
 	    	bulletin.title_translations = announcement["title"]
 	    	bulletin.remote_image_url = announcement["image"]
@@ -84,4 +86,33 @@ namespace :upgrade do
 		puts "Import has some problem."
 	end
   end
-end
+end
+
+def smart_downloader(data,url)
+    @data = data
+    @user = User.where(:user_name => "rulingcom").first
+    excluded_extensions = ["php","/"]
+    regex = /https?:\/\/[\S]+/
+    # @links = URI.extract(@data) rescue []
+    @links = @data.scan(regex) rescue []
+    @links = @links.map{|link| link.chomp("\"") if (link.include?url rescue false)}.reject{|link| link.nil?}.uniq
+    @links.each do |link|
+      link = link.gsub("\&amp\;","&")
+      temp = link.gsub(url,"")
+      extension = temp.split(".").last rescue nil
+      if (extension.nil? || excluded_extensions.include?(extension))
+        @data = @data.sub(link,"#")
+      else
+        a = Asset.new
+        a.remote_data_url = link
+        a.title_translations = {"en" => a.data.filename, "zh_tw" => a.data.filename}
+        if (a.save! rescue false)
+          @user.assets << a
+          @user.save
+          link = link.gsub("&","\&amp\;")
+          @data = @data.sub(link, a.data.url)
+        end
+      end
+    end
+    @data
+  end