change create function for issue controller, add invocation of blockchain related function and add ActiveRecord Rollback operation

app/controllers/issues_controller.rb

@@ -105,44 +105,55 @@ class IssuesController < ApplicationController
     elsif params[:subject].to_s.size > 255
       normal_status(-1, "标题不能超过255个字符")
     else
-      issue_params = issue_send_params(params)
-
-      @issue = Issue.new(issue_params)
-      if @issue.save!
-        if params[:attachment_ids].present?
-          params[:attachment_ids].each do |id|
-            attachment = Attachment.select(:id, :container_id, :container_type)&.find_by_id(id)
-            unless attachment.blank?
-              attachment.container = @issue
-              attachment.author_id = current_user.id
-              attachment.description = ""
-              attachment.save
+      ActiveRecord::Base.transaction do
+        issue_params = issue_send_params(params)
+
+        @issue = Issue.new(issue_params)
+        if @issue.save!
+          if params[:attachment_ids].present?
+            params[:attachment_ids].each do |id|
+              attachment = Attachment.select(:id, :container_id, :container_type)&.find_by_id(id)
+              unless attachment.blank?
+                attachment.container = @issue
+                attachment.author_id = current_user.id
+                attachment.description = ""
+                attachment.save
+              end
             end
           end
-        end
-        if params[:issue_tag_ids].present?
-          params[:issue_tag_ids].each do |tag|
-            IssueTagsRelate.create!(issue_id: @issue.id, issue_tag_id: tag)
+          if params[:issue_tag_ids].present?
+            params[:issue_tag_ids].each do |tag|
+              IssueTagsRelate.create!(issue_id: @issue.id, issue_tag_id: tag)
+            end
+          end
+          if params[:assigned_to_id].present?
+            Tiding.create!(user_id: params[:assigned_to_id], trigger_user_id: current_user.id,
+                           container_id: @issue.id, container_type: 'Issue',
+                           parent_container_id: @project.id, parent_container_type: "Project",
+                           tiding_type: 'issue', status: 0)
           end
-        end
-        if params[:assigned_to_id].present?
-          Tiding.create!(user_id: params[:assigned_to_id], trigger_user_id: current_user.id,
-                         container_id: @issue.id, container_type: 'Issue',
-                         parent_container_id: @project.id, parent_container_type: "Project",
-                         tiding_type: 'issue', status: 0)
-        end
 
-        #为悬赏任务时, 扣除当前用户的积分
-        if params[:issue_type].to_s == "2"
-          post_to_chain("minus", params[:token].to_i, current_user.try(:login))
-        end
+          #为悬赏任务时, 扣除当前用户的积分
+          if params[:issue_type].to_s == "2"
+            post_to_chain("minus", params[:token].to_i, current_user.try(:login))
+          end
 
-        @issue.project_trends.create(user_id: current_user.id, project_id: @project.id, action_type: "create")
-        render json: {status: 0, message: "创建成", id: @issue.id}
-      else
-        normal_status(-1, "创建失败")
-      end
+          @issue.project_trends.create(user_id: current_user.id, project_id: @project.id, action_type: "create")
 
+          # author: zxh
+          # 调用上链API
+          success_blockchain = push_activity_2_blockchain("issue_create", @issue)
+          if success_blockchain == false
+            normal_status(-1, "创建失败")
+            raise ActiveRecord::Rollback
+          else
+            render json: {status: 0, message: "创建成", id: @issue.id}
+          end
+        else
+          normal_status(-1, "创建失败")
+          raise ActiveRecord::Rollback
+        end
+      end
     end
 
   end