init project

app/services/libraries/refuse_apply_service.rb

@@ -0,0 +1,39 @@
+class Libraries::RefuseApplyService < ApplicationService
+  Error = Class.new(StandardError)
+
+  attr_reader :library_apply, :library, :user, :params
+
+  def initialize(library_apply, user, params)
+    @library_apply = library_apply
+    @library       = library_apply.library
+    @user          = user
+    @params        = params
+  end
+
+  def call
+    reason = params[:reason].to_s.strip
+    raise Error, '原因不能为空' if reason.blank?
+    raise Error, '该状态下不能进行此操作' unless library_apply.may_refuse?
+
+    ActiveRecord::Base.transaction do
+      library_apply.reason     = reason
+      library_apply.refused_at = Time.current
+      library_apply.refuse
+      library_apply.save!
+
+      library.refuse!
+
+      # 将消息改为已处理
+      Tiding.where(container_id: library.id, container_type: 'Library', tiding_type: 'Apply', status: 0).update_all(status: 1)
+      notify_library_author!
+    end
+  end
+
+  private
+
+  def notify_library_author!
+    Tiding.create!(user_id: library.user_id, trigger_user_id: 0,
+                   container_id: library.id, container_type: 'Library',
+                   tiding_type: 'System', status: 2, extra: library_apply.reason)
+  end
+end