@ -15,11 +15,11 @@ class CoursesService
page_no = params [ :page ] || 1
if @school_id == " 0 " || @school_id . nil?
@courses_all = Course . active . visible .
joins ( " LEFT JOIN #{ CourseStatus . table_name } ON #{ Course . table_name } .id = #{ CourseStatus . table_name } .course_id " )
joins ( " LEFT JOIN #{ CourseStatus . table_name } ON #{ Course . table_name } .id = #{ CourseStatus . table_name } .course_id " )
else
@courses_all = Course . active . visible .
joins ( " LEFT JOIN #{ CourseStatus . table_name } ON #{ Course . table_name } .id = #{ CourseStatus . table_name } .course_id " ) .
where ( " #{ Course . table_name } .school_id = ? " , @school_id )
joins ( " LEFT JOIN #{ CourseStatus . table_name } ON #{ Course . table_name } .id = #{ CourseStatus . table_name } .course_id " ) .
where ( " #{ Course . table_name } .school_id = ? " , @school_id )
end
@course_count = @courses_all . count
@course_pages = Redmine :: Pagination :: Paginator . new @course_count , per_page_option , page_no
@ -300,6 +300,7 @@ class CoursesService
#@state == 4 您加入的课程不存在
#@state == 5 您还未登录
#@state == 6 申请成功，请等待审核完毕
#@state == 7 您已经发送过申请了，请耐心等待
#@state 其他 未知错误，请稍后再试
def join_course params , current_user
course = Course . find_by_id params [ :object_id ]
@ -308,15 +309,38 @@ class CoursesService
if course_endTime_timeout? course
@state = 2
else
if current_user . member_of_course? ( course )
@state = 3
if current_user . member_of_course? ( course ) #如果已经是成员
if params [ :course_password ] == course . password
#如果加入角色为学生
if params [ :role ] == " 10 "
@state = 3
elsif current_user . allowed_to? ( :as_teacher , course )
@state = 3
else
#如果加入角色为教师或者教辅
CourseMessage . create ( :user_id = > course . tea_id , :course_id = > course . id , :viewed = > false , :content = > params [ :role ] , :course_message_id = > User . current . id , :course_message_type = > 'JoinCourseRequest' , :status = > 0 )
@state = 6
end
else
@state = 1
end
else
if params [ :course_password ] == course . password
members = [ ]
members << Member . new ( :role_ids = > [ 10 ] , :user_id = > current_user . id )
course . members << members
StudentsForCourse . create ( :student_id = > current_user . id , :course_id = > params [ :object_id ] )
@state = 0
if params [ :role ] == " 10 "
members = [ ]
members << Member . new ( :role_ids = > [ 10 ] , :user_id = > current_user . id )
course . members << members
StudentsForCourse . create ( :student_id = > current_user . id , :course_id = > params [ :object_id ] )
@state = 0
else
#如果已经发送过消息了，那么就要给个提示
if CourseMessage . where ( " course_message_type = 'JoinCourseRequest' and user_id = #{ course . tea_id } and content = #{ params [ :role ] } and course_message_id = #{ User . current . id } and course_id = #{ course . id } and status = 0 " ) . count != 0
@state = 7
else
CourseMessage . create ( :user_id = > course . tea_id , :course_id = > course . id , :viewed = > false , :content = > params [ :role ] , :course_message_id = > User . current . id , :course_message_type = > 'JoinCourseRequest' , :status = > 0 )
@state = 6
end
end
else
@state = 1
end
@ -336,11 +360,11 @@ class CoursesService
if course . is_public != 0 || current_user . member_of_course? ( course )
bids = course . homework_commons . page ( params [ :page ] || 1 ) . per ( 20 ) . order ( 'created_at DESC' )
bids = bids . like ( params [ :name ] ) if params [ :name ] . present?
homeworks = [ ]
bids . each do | bid |
homeworks << show_homework_info ( course , bid , current_user , is_course_teacher ( current_user , course ) )
end
homeworks
homeworks = [ ]
bids . each do | bid |
homeworks << show_homework_info ( course , bid , current_user , is_course_teacher ( current_user , course ) )
end
homeworks
else
raise '403'
end
@ -411,10 +435,10 @@ class CoursesService
#每个作业中学生最后提交的作业
homeworks = [ ]
course . homework_commons . each do | bid |
homework_attach = bid . student_works . order ( 'updated_at DESC' ) . first
unless homework_attach . nil?
homeworks << homework_attach
end
homework_attach = bid . student_works . order ( 'updated_at DESC' ) . first
unless homework_attach . nil?
homeworks << homework_attach
end
end
unless homeworks . count == 0
homeworks . sort! { | order , newer | newer . updated_at < = > order . updated_at }
@ -433,21 +457,21 @@ class CoursesService
result
end
# 课程课件
def course_attachments params
result = [ ]
course = Course . find ( params [ :course_id ] )
attachments = course . attachments . order ( " created_on " )
if ! params [ :name ] . nil? && params [ :name ] != " "
attachments . each do | atta |
result << atta if atta . filename . include? ( params [ :name ] )
# 课程课件
def course_attachments params
result = [ ]
course = Course . find ( params [ :course_id ] )
attachments = course . attachments . order ( " created_on " )
if ! params [ :name ] . nil? && params [ :name ] != " "
attachments . each do | atta |
result << atta if atta . filename . include? ( params [ :name ] )
end
else
result = attachments
end
result
end
end
else
result = attachments
end
result
end
# 课程学生列表
def course_members params
@ -488,20 +512,20 @@ class CoursesService
end
def del_assitant_teacher params
member = Member . where ( " user_id = ? and course_id = ? " , params [ :user_id ] , params [ :course_id ] )
member . each do | m |
m . destroy
end
user_admin = CourseInfos . where ( " user_id = ? and course_id = ? " , params [ :user_id ] , params [ :course_id ] )
if user_admin . size > 0
user_admin . each do | user |
user . destroy
end
end
joined = StudentsForCourse . where ( 'student_id = ? and course_id = ?' , params [ :user_id ] , params [ :course_id ] )
joined . each do | join |
join . delete
end
member = Member . where ( " user_id = ? and course_id = ? " , params [ :user_id ] , params [ :course_id ] )
member . each do | m |
m . destroy
end
user_admin = CourseInfos . where ( " user_id = ? and course_id = ? " , params [ :user_id ] , params [ :course_id ] )
if user_admin . size > 0
user_admin . each do | user |
user . destroy
end
end
joined = StudentsForCourse . where ( 'student_id = ? and course_id = ?' , params [ :user_id ] , params [ :course_id ] )
joined . each do | join |
join . delete
end
end
def create_course_notice params , current_user
@ -570,11 +594,11 @@ class CoursesService
:open_anonymous_evaluation = > open_anonymous_evaluation ,
#:homework_for_anonymous_comments => homework_for_anonymous_comments,
:created_on = > bid . created_at , :deadline = > bid . end_time ,
:homework_notsubmit_num = > bid . course . members . count - bid . student_works . count ,
:homework_submit_num = > bid . student_works . count ,
:homework_status_student = > get_homework_status ( bid ) , :homework_status_teacher = > homework_status_desc ( bid ) ,
:student_evaluation_part = > get_evaluation_part ( bid , 3 ) ,
:ta_evaluation_part = > get_evaluation_part ( bid , 2 ) , :homework_anony_type = > bid . homework_type == 1 && ! bid . homework_detail_manual . nil? }
:homework_notsubmit_num = > bid . course . members . count - bid . student_works . count ,
:homework_submit_num = > bid . student_works . count ,
:homework_status_student = > get_homework_status ( bid ) , :homework_status_teacher = > homework_status_desc ( bid ) ,
:student_evaluation_part = > get_evaluation_part ( bid , 3 ) ,
:ta_evaluation_part = > get_evaluation_part ( bid , 2 ) , :homework_anony_type = > bid . homework_type == 1 && ! bid . homework_detail_manual . nil? }
end
@ -586,9 +610,9 @@ class CoursesService
homework_count = bid . homeworks . count #已提交的作业数量
student_questions_count = bid . journals_for_messages . where ( 'm_parent_id IS NULL' ) . count
description = bid . description
#if is_course_teacher(User.current, course) && @bid.open_anonymous_evaluation == 1 && @bid.homeworks.count >= 2
#if is_course_teacher(User.current, course) && @bid.open_anonymous_evaluation == 1 && @bid.homeworks.count >= 2
state = bid . comment_status
#end
#end
open_anonymous_evaluation = bid . open_anonymous_evaluation
{ :course_name = > course . name , :id = > bid . id , :course_teacher = > author , :homework_times = > many_times , :homework_name = > name , :homework_count = > homework_count , :student_questions_count = > student_questions_count ,
:description = > description , :homework_state = > state , :open_anonymous_evaluation = > open_anonymous_evaluation }
@ -685,12 +709,12 @@ class CoursesService
latest_course_dynamics << { :time = > latest_news . first . created_on }
end
# 课程讨论区
latest_message = course . boards . first . topics . page ( 1 ) . per ( 2 )
unless latest_message . first . nil?
topic_count = course . boards . nil? ? 0 : course . boards . first . topics . count
topics = latest_message . all
latest_course_dynamics << { :time = > latest_message . first . created_on }
end
latest_message = course . boards . first . topics . page ( 1 ) . per ( 2 )
unless latest_message . first . nil?
topic_count = course . boards . nil? ? 0 : course . boards . first . topics . count
topics = latest_message . all
latest_course_dynamics << { :time = > latest_message . first . created_on }
end
# 课程资源
# latest_attachment = course.attachments.order("created_on desc").page(1).per(2)
# unless latest_attachment.first.nil?
@ -727,29 +751,29 @@ class CoursesService
unless active_students . empty?
latest_course_dynamics << { :time = > " 1970-01-01 0:0:0 +0800 " }
end
latest_course_dynamic = latest_course_dynamics . first
unless latest_course_dynamic . nil?
result << { :course_name = > course . name ,
:current_user_is_member = > current_user . member_of_course? ( course ) ,
:current_user_is_teacher = > is_course_teacher ( current_user , course ) ,
:course_id = > course . id ,
:course_img_url = > url_to_avatar ( course ) ,
:course_time = > course . time ,
:course_term = > course . term ,
:news_count = > notices_count ,
:homework_count = > homework_count ,
:topic_count = > topic_count ,
:news = > notices ,
:homeworks = > homeworkss ,
:topics = > topics ,
:better_students = > better_students ,
:active_students = > active_students ,
:message = > " " ,
:course_student_num = > course ? course . members . count : 0 ,
#:time_from_now=> distance_of_time_in_words(Time.now, latest_course_dynamic[:time].to_time) << "前",
:time_from_now = > time_from_now ( latest_course_dynamic [ :time ] . to_time ) , #.strftime('%Y-%m-%d %H:%M:%S').to_s,
:time = > latest_course_dynamic [ :time ] . to_time }
end
latest_course_dynamic = latest_course_dynamics . first
unless latest_course_dynamic . nil?
result << { :course_name = > course . name ,
:current_user_is_member = > current_user . member_of_course? ( course ) ,
:current_user_is_teacher = > is_course_teacher ( current_user , course ) ,
:course_id = > course . id ,
:course_img_url = > url_to_avatar ( course ) ,
:course_time = > course . time ,
:course_term = > course . term ,
:news_count = > notices_count ,
:homework_count = > homework_count ,
:topic_count = > topic_count ,
:news = > notices ,
:homeworks = > homeworkss ,
:topics = > topics ,
:better_students = > better_students ,
:active_students = > active_students ,
:message = > " " ,
:course_student_num = > course ? course . members . count : 0 ,
#:time_from_now=> distance_of_time_in_words(Time.now, latest_course_dynamic[:time].to_time) << "前",
:time_from_now = > time_from_now ( latest_course_dynamic [ :time ] . to_time ) , #.strftime('%Y-%m-%d %H:%M:%S').to_s,
:time = > latest_course_dynamic [ :time ] . to_time }
end
end
#返回数组集合
@ -768,9 +792,9 @@ class CoursesService
sql = " select users.*,ROUND(sum(student_works.final_score),2) score from student_works left outer join users on student_works.user_id = users.id " <<
" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{ params [ :course_id ] } ) GROUP BY student_works.user_id ORDER BY score desc limit #{ page * 10 } ,10 "
sql_count = " select count(distinct(student_works.user_id) ) " <<
" from student_works left outer join users on student_works.user_id = users.id " <<
" where homework_common_id in " <<
" ( select id from homework_commons where homework_commons.course_id = #{ params [ :course_id ] } ) "
" from student_works left outer join users on student_works.user_id = users.id " <<
" where homework_common_id in " <<
" ( select id from homework_commons where homework_commons.course_id = #{ params [ :course_id ] } ) "
max_size = ActiveRecord :: Base . connection ( ) . select_value ( sql_count )
user_list = User . find_by_sql ( sql )
else
