add rails callbak methods

snippets/ruby.snippets

@@ -749,8 +749,45 @@ snippet mapwo
 	${1:map}.with_options :${2:controller} => '${3:thing}' do |$3|
 		${0}
 	end
+
+# before callback
+snippet mbv
+  before_validation :${0:method}
+snippet mbc
+  before_create :${0:method}
+snippet mbu
+  before_update :${0:method}
 snippet mbs
 	before_save :${0:method}
+snippet mbd
+  before_destroy :${0:method}
+
+# after callback
+snippet mav
+  after_validation :${0:method}
+snippet maf
+  after_find :${0:method}
+snippet mat
+  after_touch :${0:method}
+snippet mac
+  after_create :${0:method}
+snippet mau
+  after_update :${0:method}
+snippet mas
+  after_save :${0:method}
+snippet mad
+  after_destroy :${0:method}
+snippet mrc
+
+# around callback
+  around_create :${0:method}
+snippet mru
+  around_update :${0:method}
+snippet mrs
+  around_save :${0:method}
+snippet mrd
+  around_destroy :${0:method}
+
 snippet mcht
 	change_table :${1:table_name} do |t|
 		${0}