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class PraiseTreadController < ApplicationController
def praise_plus
@obj = nil
if request . get?
@obj = params [ :obj ] # 传的是对象，
#首先创建或更新praise_tread 表
@pt = PraiseTread . find_by_user_id_and_praise_tread_object_id ( User . current . id , @obj )
@pt = @pt . nil? ? PraiseTread . new : @pt
@pt . user_id = User . current . id
@pt . praise_tread_object_id = @obj . to_i
@pt . praise_tread_object_type = User . find_by_id ( @obj ) . class . name . underscore
@pt . praise_or_tread = 1
@pt . save
#再创建或更新praise_tread_cache表
@ptc = PraiseTreadCache . find_by_object_id ( @obj )
@ptc = @ptc . nil? ? PraiseTreadCache . new : @ptc
@ptc . object_id = @obj . to_i
@ptc . object_type = User . find_by_id ( @obj ) . class . name . underscore
@ptc . plus ( 1 )
@ptc . save
end
@obj = User . find_by_id ( @obj )
respond_to do | format |
format . html
format . js
end
end
def praise_minus
@obj = nil
if request . get?
@obj = params [ :obj ] # 传的是对象，
#首先更新praise_tread 表 删除关注记录
@pt = PraiseTread . find_by_user_id_and_praise_tread_object_id_and_praise_tread_object_type ( User . current . id , @obj , " user " )
@pt . delete
#再更新praise_tread_cache表 使相应的记录减1 当为0时删除
@ptc = PraiseTreadCache . find_by_object_id ( @obj )
@ptc . minus ( 1 )
if @ptc . praise_num == 0
@ptc . delete
end
end
@obj = User . find_by_id ( @obj )
respond_to do | format |
format . html
format . js
end
end
def tread_plus
end
def tread_minus
respond_to do | format |
format . html
format . js
end
end
end
