forgeplus/app/models/praise_tread.rb

27 lines
1.2 KiB
Ruby

class PraiseTread < ApplicationRecord
belongs_to :user
belongs_to :praise_tread_object, polymorphic: true, counter_cache: :praises_count
has_many :tidings, :as => :container, :dependent => :destroy
after_create :send_tiding
def send_tiding
case self.praise_tread_object_type
when "Memo","Message","Issue"
self.tidings << Tiding.new(:trigger_user_id => self.user_id, :user_id => self.praise_tread_object.author_id, :parent_container_id => self.praise_tread_object_id, :parent_container_type => self.praise_tread_object_type, :viewed => 0, :tiding_type => "Praise")
when "Discuss","Challenge","HomeworkCommon","JournalsForMessage","Journal","GraduationTopic","GraduationTask", "Hack"
self.tidings << Tiding.new(:trigger_user_id => self.user_id, :user_id => self.praise_tread_object.user_id, :parent_container_id => self.praise_tread_object_id, :parent_container_type => self.praise_tread_object_type, :viewed => 0, :tiding_type => "Praise")
end
end
def self.find_object_by_type_and_id(id, type)
type.constantize find_by_id id
end
# 用户是否点赞
def self.user_praise?(user)
self.select{|pt| pt.user_id == user.id}.length > 0
end
end