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# 执行示例 RAILS_ENV=production bundle exec rake migrate_course_student:student args=3835,2526,21950,1000
# args 第一个课程 course_id， ， ，
#
desc " 同步学校的学生 "
namespace :migrate_course_student do
if ENV [ 'args' ]
course_id = ENV [ 'args' ] . split ( " , " ) [ 0 ] # 对应课堂的id
school_id = ENV [ 'args' ] . split ( " , " ) [ 1 ] # 对应学校id
department_id = ENV [ 'args' ] . split ( " , " ) [ 2 ] # 对应部门id
limit = ENV [ 'args' ] . split ( " , " ) [ 3 ] # 限制导入的数量
end
task :student = > :environment do
course = Course . find course_id
users = User . joins ( :user_extension ) . where ( user_extensions : { school_id : school_id , department_id : department_id , identity : 1 } ) . limit ( limit )
user_ids = [ ]
users . each do | user |
if user . student_id . present? && ! course . students . exists? ( user_id : user . id )
begin
CourseMember . create! ( course_id : course_id , user_id : user . id , role : 4 )
user_ids << user . id
rescue Exception = > e
Rails . logger ( e . message )
end
end
end
CourseAddStudentCreateWorksJob . perform_later ( course_id , user_ids )
end
end
