init project

app/controllers/users/private_messages_controller.rb

@@ -0,0 +1,42 @@
+class Users::PrivateMessagesController < Users::BaseController
+  before_action :require_login
+  before_action :private_user_resources!
+  after_action :update_onclick_time!, only: [:index]
+
+  def index
+    @count = observed_user.private_messages.without_deleted.group(:target_id).count.count
+
+    subquery = observed_user.private_messages.without_deleted.order(send_time: :desc).to_sql
+    query = "SELECT subquery.*, COUNT(*) message_count FROM (#{subquery}) subquery "\
+            "GROUP BY subquery.target_id ORDER BY subquery.send_time desc LIMIT #{limit_value} OFFSET #{offset_value}"
+    @messages = PrivateMessage.select('*').from("(#{query}) AS query").includes(target: :user_extension)
+
+    observed_user.private_messages.only_unread.update_all(status: 1)
+  end
+
+  def create
+    receiver = User.find_by(id: params[:target_id])
+    return render_error('用户未找到') if receiver.blank?
+
+    @message = PrivateMessages::CreateService.call(observed_user, receiver, create_params)
+  rescue PrivateMessages::CreateService::Error => ex
+    render_error(ex.message)
+  end
+
+  def destroy
+    message = observed_user.private_messages.without_deleted.find(params[:id])
+    message.destroy!
+
+    render_ok
+  end
+
+  private
+
+  def update_onclick_time!
+    current_user.onclick_time.touch(:onclick_time)
+  end
+
+  def create_params
+    params.permit(:content)
+  end
+end