From 8a70989f7f70e98446c482501a80deca85ce0d17 Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Sat, 20 Jul 2019 20:23:23 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E8=BF=81=E7=A7=BB=E5=AD=97=E6=AE=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/views/messages/_message.json.jbuilder              | 3 ++-
 db/migrate/20190720121537_add_is_md_for_messages.rb    | 5 +++++
 db/migrate/20190720122123_modify_is_md_for_messages.rb | 7 +++++++
 3 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 db/migrate/20190720121537_add_is_md_for_messages.rb
 create mode 100644 db/migrate/20190720122123_modify_is_md_for_messages.rb

diff --git a/app/views/messages/_message.json.jbuilder b/app/views/messages/_message.json.jbuilder
index bff2413cd..c3ab6c6e3 100644
--- a/app/views/messages/_message.json.jbuilder
+++ b/app/views/messages/_message.json.jbuilder
@@ -1 +1,2 @@
-json.extract! message, :id, :parent_id, :subject, :created_on, :total_replies_count, :total_praises_count, :praises_count, :visits, :sticky, :is_hidden, :is_public
+json.extract! message, :id, :parent_id, :subject, :created_on, :total_replies_count, :total_praises_count,
+              :is_md, :praises_count, :visits, :sticky, :is_hidden, :is_public
diff --git a/db/migrate/20190720121537_add_is_md_for_messages.rb b/db/migrate/20190720121537_add_is_md_for_messages.rb
new file mode 100644
index 000000000..a801fb387
--- /dev/null
+++ b/db/migrate/20190720121537_add_is_md_for_messages.rb
@@ -0,0 +1,5 @@
+class AddIsMdForMessages < ActiveRecord::Migration[5.2]
+  def change
+    add_column :messages, :is_md, :boolean, :default => true
+  end
+end
diff --git a/db/migrate/20190720122123_modify_is_md_for_messages.rb b/db/migrate/20190720122123_modify_is_md_for_messages.rb
new file mode 100644
index 000000000..4137fc8af
--- /dev/null
+++ b/db/migrate/20190720122123_modify_is_md_for_messages.rb
@@ -0,0 +1,7 @@
+class ModifyIsMdForMessages < ActiveRecord::Migration[5.2]
+  def change
+    Message.find_each do |m|
+      m.update_column(:is_md, false)
+    end
+  end
+end

From 82f2bf1b0b655b1f4a88e6c21acbf0fc5692cd17 Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Sat, 20 Jul 2019 20:30:55 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E6=9B=B4=E6=96=B0md=E7=9A=84=E8=A1=8C?=
 =?UTF-8?q?=E4=B8=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/controllers/messages_controller.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/controllers/messages_controller.rb b/app/controllers/messages_controller.rb
index 5bdc3e053..90da7d8e5 100644
--- a/app/controllers/messages_controller.rb
+++ b/app/controllers/messages_controller.rb
@@ -102,7 +102,9 @@ class MessagesController < ApplicationController
     return normal_status(403, "您没有权限进行该操作") if current_user != @message.author && !current_user.teacher_of_course?(@message.board.course)
 
     begin
-      @message.update_attributes(message_params)
+      h = {is_md: true}
+      m_params = message_params.merge(h)
+      @message.update_attributes(m_params)
       Attachment.associate_container(params[:attachment_ids], @message.id, @message.class.name)
       @message.update_content(params[:content])
     rescue Exception => e