修复：解析禅道描述里的图片

lib/tasks/import_issues_from_chandao.rake

@@ -23,6 +23,45 @@ namespace :import_from_chandao do
     return nil
   end
 
+  def trans_content_img(content, user)
+    respace_content_arr = content.to_s.scan(/<img\s+[^>]*?src=[“.*?“][^>]*?\/?>/).map{|s|[s,s.match(/(\d+\.\w+)/)[0].split(".")[0],s.match(/(\d+\.\w+)/)[0].split(".")[1]]}
+    respace_content_arr.each do |img|
+      remote_image_url = "#{EduSetting.get("chandao_server_url")}/file-read-#{img[1]}.json"
+      tmp_local_image_path = "#{Rails.root}/#{img[1..2].join(".")}"
+      uri = URI(remote_image_url)
+      size = Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == 'https') do |http|
+        response = http.get(uri.path)
+        File.open(tmp_local_image_path, 'wb') do |file|
+          file.write(response.body)
+        end
+      end
+      digest = "#{Digest::MD5.file(tmp_local_image_path).hexdigest}_#{(Time.now.to_f * 1000).to_i}.#{img[2]}"
+      month_folder = "#{Time.now.year}/#{Time.now.month.to_s.rjust(2, '0')}"
+      save_path = "#{Rails.root}#{EduSetting.get("attachment_folder")}#{month_folder}"
+      unless Dir.exists?(save_path)
+        FileUtils.mkdir_p(save_path) ##不成功这里会抛异常
+      end
+      
+      local_image_path = File.join(save_path, digest)
+      FileUtils.mv(tmp_local_image_path, local_image_path)
+      attachment = Attachment.new 
+      attachment.filename = img[1..2].join(".")
+      attachment.disk_filename = local_image_path[save_path.size+1, local_image_path.size]
+      attachment.filesize = size 
+      attachment.content_type = img[2]
+      attachment.digest = digest
+      attachment.author_id = user.id
+      attachment.disk_directory = month_folder
+      attachment.cloud_url = remote_image_url
+      attachment.uuid = SecureRandom.uuid
+      attachment.save
+
+      att_url = "#{Rails.application.config_for(:configuration)['platform_url']}/api/attachments/#{attachment.uuid}"
+      content.gsub!(img[0], "![](#{att_url})")
+    end
+    return content
+  end
+
   desc "bug数据"
   # 执行示例 bundle exec rake "import_from_chandao:bugs[企业内部工时管理系统.csv, 3, ceshi_org]"
   # RAILS_ENV=production bundle exec rake "import_from_chandao:bugs[企业内部工时管理系统.csv, 3, ceshi_org]"
@@ -52,7 +91,7 @@ namespace :import_from_chandao do
         issue.tracker_id = Tracker.first.id
         issue.priority_id = randd_field_hash['优先级'].to_i
         issue.subject = randd_field_hash['Bug标题']
-        issue.description = randd_field_hash['重现步骤']
+        issue.description = trans_content_img(randd_field_hash['重现步骤'].to_s, author)
         issue.created_on = randd_field_hash['创建日期'].to_time rescue nil
         issue.updated_on = randd_field_hash['修改日期'].to_time rescue issue.created_on
         issue.due_date = randd_field_hash['截止日期'].to_time rescue nil
@@ -107,7 +146,7 @@ namespace :import_from_chandao do
         issue.tracker_id = Tracker.first.id
         issue.priority_id = randd_field_hash['优先级'].to_i
         issue.subject = randd_field_hash['任务名称']
-        issue.description = randd_field_hash['任务描述']
+        issue.description = trans_content_img(randd_field_hash['任务描述'].to_s, author)
         issue.created_on = randd_field_hash['创建日期'].to_time rescue nil
         issue.updated_on = randd_field_hash['最后修改日期'].to_time rescue issue.created_on
         issue.time_scale = randd_field_hash['最初预计'].to_i
@@ -158,7 +197,7 @@ namespace :import_from_chandao do
         issue.tracker_id = Tracker.first.id
         issue.priority_id = randd_field_hash['优先级'].to_i
         issue.subject = randd_field_hash['需求名称']
-        issue.description = randd_field_hash['需求描述']
+        issue.description = trans_content_img(randd_field_hash['需求描述'].to_s, author)
         issue.created_on = randd_field_hash['创建日期'].to_time
         issue.updated_on = randd_field_hash['最后修改日期'].to_time rescue randd_field_hash['创建日期'].to_time 
         issue.time_scale = randd_field_hash['预计工时'].to_i