add watchers_count to user

app/controllers/watchers_controller.rb

@@ -12,12 +12,7 @@ class WatchersController < ApplicationController
     begin
       return normal_status(2, "你还没有关注哦") unless current_user.watched?(@target)
       current_user.unwatch!(@target)
-      if @target_type.downcase == "project"
-        render_ok({watchers_count: @target.watchers_count, watched: false})
-      else 
-        render_ok({ watched: false})
-      end
-
+      render_ok({watchers_count: @target.watchers_count, watched: false})
     rescue Exception => e
       uid_logger_error(e.message)
       tip_exception(e.message)
@@ -29,11 +24,7 @@ class WatchersController < ApplicationController
     begin
       return normal_status(2, "你已关注了") if current_user.watched?(@target)
       current_user.watch!(@target)
-      if @target_type.downcase == "project"
-        render_ok({watchers_count: @target.watchers_count, watched: true})
-      else 
-        render_ok({ watched: true})
-      end
+      render_ok({watchers_count: @target.watchers_count, watched: true})
     rescue Exception => e
       uid_logger_error(e.message)
       tip_exception(e.message)
@@ -52,12 +43,12 @@ class WatchersController < ApplicationController
   private 
 
   def get_target 
-    @target_type = params[:target_type].to_s
-    case  @target_type 
+    target_type = params[:target_type].to_s
+    case  target_type 
     when "project" 
-      @target = @target_type.capitalize.constantize.find_by(id: params[:id])
+      @target = target_type.capitalize.constantize.find_by(id: params[:id])
     else 
-      @target = @target_type.capitalize.constantize.find_by(login: params[:id])   #用户
+      @target = target_type.capitalize.constantize.find_by(login: params[:id])   #用户
     end
 
     unless @target.present?

db/migrate/20200518065521_add_watchers_count_to_user.rb

@@ -0,0 +1,5 @@
+class AddWatchersCountToUser < ActiveRecord::Migration[5.2]
+  def change
+    add_column :users, :watchers_count, :integer, default: 0 
+  end
+end