You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
pgfqe6ch8/app/helpers/courses_helper.rb

1024 lines
36 KiB

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

# encoding: utf-8
## This helper be included in applicationHelper
module CoursesHelper
=begin
1. define TeacherRoles, StudentRoles
2. define count function
3. define search by roles
4. define search member function
=end
#TeacherRoles = [3, 4, 7, 9]
#StudentRoles = [5, 10]
#AllPeople = StudentRoles+TeacherRoles
## return people count
# 添加教师--列表翻页返回的json数据
def search_teacher_json_data users
users.map do |user|
user_name = user.show_real_name
user_path = user_path(user)
school = user.user_extensions.try(:school).try(:name).to_s
department = user.user_extensions.try(:department).try(:name).to_s
user.attributes.dup.except("hashed_password", "login", "firstname", "lastname", "mail", "admin", "status", "last_login_on",
"identity_url", "salt", "gid", "phone", "ID_number", "authentication").merge({
user_name: user_name,
user_path: user_path,
school: school,
department: department
})
end
end
# 添加学生--列表翻页返回的json数据
def search_student_json_data users
users.map do |user|
user_name = user.show_real_name
user_path = user_path(user)
student_id = user.user_extensions.try(:student_id)
user.attributes.dup.except("hashed_password", "firstname", "lastname", "mail", "admin", "status", "last_login_on",
"identity_url", "salt", "gid", "phone", "ID_number", "authentication").merge({
user_name: user_name,
user_path: user_path,
student_id: student_id
})
end
end
def student_course_homework_score course, user
homework_ids = course.homework_commons.where("homework_type in (1, 4) and publish_time < '#{Time.now}'").map(&:id)
score = 0
user.student_works.where(:homework_common_id => homework_ids).each do |work|
score = score + work.work_score if work.work_score
end
format("%.1f",score)
end
# 学生的发布资源数
def student_course_resource_num course, user
num = course.attachments.where(:author_id => user.id).count
end
# 学生的发布帖子数
def student_course_message_num course, user
num = Message.where(:board_id => course.boards.map(&:id), :author_id => user.id, :parent_id => nil).count
end
# 学生的回复评论数
def student_course_reply_num course, user
boards_id = course.boards.empty? ? "(-1)" : "(" + course.boards.map(&:id).join(",") + ")"
me_num = Message.where("board_id in #{boards_id} and author_id = #{user.id} and parent_id is not null").count
jour_num = JournalsForMessage.where(:jour_type => 'HomeworkCommon', :jour_id => course.homework_commons.map(&:id), :user_id => user.id).count
num = me_num + jour_num
end
# 推荐的精品课程
def excellent_course_recommend new_course
q = "%#{new_course.name.strip}%"
result = find_excelletn_course(q, new_course)
end
# 查询符合条件的精品课程
# 用新课程名去匹配精品课程中按课程名和Tag名
def find_excelletn_course keywords, current_course
# 获取tag匹配结果ID
a_tags = []
Course.where("is_excellent =? and is_public =?", 1, 1).each do |ec|
if ec.tags.any?{|value| current_course.name.include?(value.to_s)}
a_tags << ec.id
end
end
# 课程本身不能搜索显示自己
excellent_ids = a_tags.uniq.delete_if{|i| i == current_course.id}
sql = "SELECT distinct c.id FROM course_activities cs, courses c where cs.course_id = c.id
and (c.is_excellent =1 or c.excellent_option =1) and c.is_public = 1 and c.id != #{current_course.id} order by cs.updated_at desc;"
default_ids = Course.find_by_sql(sql).flatten.map { |c| c.id }
excellent_ids << default_ids.flatten
arr_result = excellent_ids.flatten.uniq.first(3)
excellent_courses = Course.find(arr_result)
return excellent_courses
end
# 判断精品课程是否可见,非课程成员无法查看私有课程
def visible_excellent_course obj
# if course.is_pu
end
# 返回x项目成员数量即roles表中定义的所有成员
def projectCount project
#searchCountByRoles project, AllPeople
project.members.count
end
# 统计课程中作品的数量
def student_works_num course
StudentWork.find_by_sql("SELECT * FROM student_works WHERE homework_common_id IN (SELECT id FROM homework_commons WHERE course_id = '#{course.id}')").count
end
# 统计数目
def show_nav?(count)
count == 0 ? true : false
end
#课程模块需要展示的模块
def course_model
@nav_dispaly_course_all_label = 1
@nav_dispaly_forum_label = 1
@nav_dispaly_course_label = nil
@nav_dispaly_store_all_label = 1
end
#生成课程老师成员链接
def course_teacher_link teacher_num
if User.current.member_of_course?(@course) || User.current.admin?
link_to teacher_num, teachers_course_path(@course), :class => 'color-white', :id => 'teacher_number'
# elsif User.current.member_of_course?(@course)
# link_to teacher_num, course_member_path(@course, :role => 't'), :class => 'ml5 edu-cir-grey-q color-orange05', :id => 'teacher_number'
else
content_tag 'span',teacher_num, :class => 'color-white'
end
end
#生成课程学生列表连接
def course_student_link student_num
if User.current.member_of_course?(@course) || User.current.admin?
link_to "#{student_num}", students_course_path(@course), :class => 'color-white', :id => 'student_number'
# elsif (User.current.logged? && @course.open_student == 1) || (User.current.member_of_course?(@course))
# link_to "#{student_num}", course_member_path(@course, :role => 'as'), :class => 'ml5 edu-cir-grey-q color-orange05', :id => "student_number"
else
content_tag 'span',student_num, :class => 'color-white'
end
end
# 生成分班列表连接
def course_group_link group_num
if User.current.member_of_course?(@course) || User.current.admin?
link_to "#{group_num}", students_course_path(@course), :class => 'color-white', :id => 'group_number'
# elsif (User.current.logged? && @course.open_student == 1) || (User.current.member_of_course?(@course))
# link_to "#{group_num}", course_member_path(@course, :role => @course.course_groups.first.id), :class => 'ml5 edu-cir-grey-q color-orange03', :id => "group_number"
else
content_tag 'span',group_num, :class => 'color-white'
end
end
# 班级结束天数
def course_end_date course
if course.end_date
curr = Time.new
((Date.parse(course.end_date.to_s) - Date.parse(curr.to_s)).to_i)
end
end
def course_poll_count
Poll.where("polls_type = 'Course' and polls_group_id = #{@course.id} and polls_status in (2,3)").count
end
def course_feedback_count
@course.journals_for_messages.where('m_parent_id IS NULL').count
end
#当前学期(2015春季学期)
def current_time_and_term course
str = ""
term = cur_course_term
if (course.time == course.end_time && course.term == course.end_term) || (course.end_term.nil? && course.end_time.nil?) || course.time > Time.now.year
str = course.time.to_s + course.term.to_s
elsif course.time == Time.now.year && set_term_value(cur_course_term) <= set_term_value(course.term)
str = course.time.to_s + course.term.to_s
elsif course.end_time < Time.now.year || (course.end_time == Time.now.year && set_term_value(cur_course_term) >= set_term_value(course.term))
str = course.end_time.to_s + course.end_term.to_s
else
str = Time.now.year.to_s + cur_course_term.to_s
end
str
end
def set_term_value term
val = 0
if term == "春季学期"
val = 1
elsif term == "夏季学期"
val = 2
elsif term == "秋季学期"
val = 3
end
val
end
#当前学期(2015春)
def current_time_and_term_short course
str = ""
term = cur_course_term
if (course.time == course.end_time && course.term == course.end_term) || (course.end_term.nil? && course.end_time.nil?) || course.time > Time.now.year
str = course.time.to_s + course.term[0]
elsif course.time == Time.now.year && set_term_value(cur_course_term) <= set_term_value(course.term)
str = course.time.to_s + course.term[0]
elsif course.end_time < Time.now.year || (course.end_time == Time.now.year && set_term_value(cur_course_term) >= set_term_value(course.term))
str = course.end_time.to_s + course.end_term[0]
else
str = Time.now.year.to_s + cur_course_term[0]
end
str
end
# 返回学生数量即roles表中定义的Reporter
#def studentCount project
# searchStudent(project).count
# or
# searchStudent(project).count
# end
# 判断用户是否是课程的管理员
# add by nwb
def is_course_manager?(user_id,course_id)
@result = false
@user_id = CourseInfo.find_by_course_id(course_id)
if @user_id == user.id
@result = true
end
return @result
end
# 返回课程设置界面
def course_settings_tabs
tabs = [{:name => 'info', :action => :edit_course, :partial => 'courses/edit', :label => :label_information_plural},
{:name => 'members', :action => :manage_members, :partial => 'courses/settings/members', :label => :label_member_plural}
]
tabs.select { |tab| User.current.allowed_to?(tab[:action], @course) }
end
#是否启动互评下拉框
def is_evaluation_option
type = []
option1 = []
option2 = []
option1 << l(:lable_start_mutual_evaluation)
option1 << 1
option2 << l(:lable_close_mutual_evaluation)
option2 << 2
type << option1
type << option2
end
# garble count 混淆数量
# alias projectCountOrigin projectCount
# def projectCount project
# count = projectCountOrigin project
# garble count
# end
def proportion_option
type = []
i = 0
while i <= 100
option = []
option << i.to_s + "%"
option << i
type << option
i = i + 10
end
type
end
# 注意:此方法有问题,速度慢且结果不准
# alias studentCountOrigin studentCount
#def studentCount course
# count = studentCountOrigin course
#garble count
# end
#获取课程所有成员
def course_all_member course
course.members
end
# 学生人数计算
# add by nwb
def studentCount course
course ? course.student.count.to_i : 0#course.student.count
end
# 课堂教师数
def teacherCount course
if course.try(:id) != 1309 || User.current.admin? || User.current.try(:id) == 15582
count = Member.find_by_sql("SELECT count(*) as teacher_count FROM `member_roles` mr, users, `members` m where m.course_id=#{course.id}
and m.user_id = users.id and users.status = 1 and m.id=mr.member_id and mr.role_id in ('3','7','9')").first.try(:teacher_count)
else
count = Member.find_by_sql("SELECT count(*) as teacher_count FROM `member_roles` mr, users, `members` m where m.course_id=#{course.id}
and m.user_id = users.id and users.status = 1 and m.id=mr.member_id and (mr.role_id in ('3','7') or (users.id = #{User.current.id} and mr.role_id = 9))").first.try(:teacher_count)
end
end
#课程成员数计算
def memberCount course
count = searchStudent(course).count + searchTeacherAndAssistant(course).count
count.to_s
end
def eventToLanguageCourse event_type, course
case event_type
when "issue-note"
l :label_issue
when "issue"
l :label_issue
when "attachment"
l :label_attachment
when "news"
l :label_notification
else
""
end
end
def garble count
count = count.round( 1-count.to_s.size ).to_i
return count.to_s if count.to_s.size.eql?(1)
count.to_s << '+'
end
def searchTeacherAndAssistantNoManager course
members = []
course.members.includes(:user).each do |m|
members << m if m && m.user && m.user != course.teacher && m.user.has_teacher_role(course)
end
members
end
# =====================================================================================
# return people list
def searchTeacherAndAssistant project
#searchPeopleByRoles(project, TeacherRoles)
members = []
project.members.includes(:user).each do |m|
#members << m if m && m.user && m.user.allowed_to?(:as_teacher,project)
members << m if m && m.user && m.user.has_teacher_role(project)
end
members
end
def TeacherAndAssistantCount course
#students_count = course.student.count
#number = course.members.count - students_count
member_ids = course.members.includes(:user).blank? ? "(-1)" : "(" + course.members.includes(:user).map { |mem| mem.id}.join(",") + ")"
role_ids = "(3, 7, 9)"
number = MemberRole.where("member_id in #{member_ids} and role_id in #{role_ids}").count
#number = (searchTeacherAndAssistant course).count
end
def search_student_in_group(project, course_group_id)
#searchPeopleByRoles(project, StudentRoles)
members = []
project.members.each do |m|
members << m if m && m.user && m.user.allowed_to?(:as_student,project)
end
members
end
def searchStudent project
#searchPeopleByRoles(project, StudentRoles)
members = []
project.members.each do |m|
if m && m.user && m.user.allowed_to?(:as_student,project)
members << m
end
end
members
end
def groupCount course
course.course_groups.count
end
def searchStudent_by_name project, name
#searchPeopleByRoles(project, StudentRoles)
members = []
project.members.each do |m|
if m && m.user && m.user.allowed_to?(:as_student,project)
username = m.user[:lastname].to_s + m.user[:firstname].to_s
if(m.user[:login].to_s.include?(name) || m.user.user_extensions[:student_id].to_s.include?(name) || username.include?(name))
members << m
end
end
end
members
end
def searchmember_by_name members, name
#searchPeopleByRoles(project, StudentRoles)
mems = []
if name != ""
name = name.to_s.downcase
members.each do |m|
username = m.user[:lastname].to_s.downcase + m.user[:firstname].to_s.downcase
if(m.user[:login].to_s.downcase.include?(name) || m.user.user_extensions[:student_id].to_s.downcase.include?(name) || username.include?(name))
mems << m
end
end
else
mems = members
end
mems
end
def searchgroupmember_by_name members, name, group
#searchPeopleByRoles(project, StudentRoles)
mems = []
if name != ""
members.each do |m|
if m.course_group_id == group.id
username = m.user[:lastname].to_s + m.user[:firstname].to_s
if(m.user[:login].to_s.include?(name) || m.user.user_extensions[:student_id].to_s.include?(name) || username.include?(name))
mems << m
end
end
end
else
mems = members
end
mems
end
def searchgroupstudent_by_name(group, project, name)
members = []
group.members.each do |m|
if m && m.user && m.user.allowed_to?(:as_student,project)
username = m.user[:lastname].to_s + m.user[:firstname].to_s
if(m.user[:login].to_s.include?(name) || m.user.user_extensions[:student_id].to_s.include?(name) || username.include?(name))
members << m
end
end
end
members
end
def searchStudent_by_group group, project
#searchPeopleByRoles(project, StudentRoles)
members = []
group.members.each do |m|
members << m if m && m.user && m.user.allowed_to?(:as_student,project)
end
members
end
# =====================================================================================
#def searchCountByRoles project, roles_id
# members = searchPeopleByRoles project, roles_id
# members.count
#end
#def searchPeopleByRoles project, roles_id
# members = []
# begin
# members = project.members.joins(:member_roles).where("member_roles.role_id IN (:role_id)", {:role_id => roles_id})
# rescue Exception => e
# logger.error "[CoursesHelper] ===> #{e}"
# end
# members
#end
def sort_courses(state)
content = ''.html_safe
case state
when 0
content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:courses_sort_type => '1')))
content << content_tag('li', link_to(l(:label_sort_by_influence), courses_path(:courses_sort_type => '2')))
content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:courses_sort_type => '0'), :class=>"selected"), :class=>"selected")
when 1
content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:courses_sort_type => '1'), :class=>"selected"), :class=>"selected")
content << content_tag('li', link_to(l(:label_sort_by_influence), courses_path(:courses_sort_type => '2')))
content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:courses_sort_type => '0')))
when 2
content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:courses_sort_type => '1')))
content << content_tag('li', link_to(l(:label_sort_by_influence), courses_path(:courses_sort_type => '2'), :class=>"selected"), :class=>"selected")
content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:courses_sort_type => '0')))
end
content = content_tag('ul', content)
content_tag('div', content, :class => "tabs")
end
def render_course_hierarchy(courses)
render_course_nested_lists(courses) do |course|
s = link_to_course(course, {}, :class => "#{course.css_classes} #{User.current.member_of_course?(course) ? 'my-course' : nil}").html_safe
s
end
end
#useless
#def searchMembersByRole project, role_id
# members = []
# begin
# members = project.members.joins(:member_roles).where("member_roles.role_id = :role_id", {:role_id => role_id })
# rescue Exception => e
# logger.error "[CoursesHelper] ===> #{e}"
# end
# members
#end
def sort_course(state, school_id)
content = ''.html_safe
case state
when 0
content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0'), :school_id => school_id, :class=>"selected"), :class=>"selected")
content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id)))
content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id)))
when 1
content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0', :school_id => school_id)))
content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id), :class=>"selected"), :class=>"selected")
content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id)))
when 2
content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0', :school_id => school_id)))
content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id)))
content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id)))
#gcm
when 3
content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0', :school_id => school_id)))
content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id)))
content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id), :class=>"selected"), :class=>"selected")
end
#gcmend
content = content_tag('ul', content)
content_tag('div', content, :class => "tabs")
end
def findCourseTime project
str = ""
begin
@course = Course.find_by_extra(@project.identifier)
date_format = l(:zh_date)[:formats][:default]
if @course
str = DateTime.parse(@course.setup_time.to_s).strftime("#{date_format}").to_s unless @course.setup_time.blank?
str << '-' unless @course.setup_time.blank?
str << DateTime.parse(@course.endup_time.to_s).strftime("#{date_format}").to_s unless @course.endup_time.blank?
end
rescue Exception => e
logger.error "[CoursesHelper] ===> #{e}"
end
str
end
# added by meng
# 课程time+term简写2014.春/2014.秋)国际化输出
def get_course_term course
strterm = course.try(:term).to_s
if !(User.current.language == 'zh'||User.current.language == '')
strterm == '春季学期' ? strterm = 'spring term' : strterm = 'autumn term'
str = ( course.try(:time).to_s << '.' << strterm )
str[0..-6]
else
str = ( course.try(:time).to_s << '.' << strterm )
str[0..-4]
end
end
# added by meng
# 课程term春季学期/秋季学期)国际化输出
def get_course_term_locales course
str = course.try(:term).to_s
if !(User.current.language == 'zh'||User.current.language == '')
str == '春季学期' ? str = ' ' + 'spring term' : str = ' ' + 'autumn term'
end
return str
end
def members_to_user_ids members
people = []
members.each { |member|
people << member.user_id
}
people
end
# 截至到2014-03-17 这个是最终的判断课程是否过期的方法
def course_endTime_timeout? course
end_time_str = course.try(:endup_time)
begin
cTime = Time.parse(end_time_str.to_s)
rescue TypeError,ArgumentError
cTime = Time.parse("3000-01-01")
end
now = Time.now
now > cTime
end
def find_by_extra_from_project extra
Course.find_by_extra(try(extra))
end
#判断指定用户是不是当前课程的老师
def is_course_teacher (user,course)
user.allowed_to?(:as_teacher,course)
end
#当前用户是不是指定课程的学生
def is_cur_course_student course
User.current.logged? && User.current.member_of_course?(course) && !(User.current.allowed_to?(:as_teacher,course))
end
#获取当前用户在指定作业下提交的作业的集合
def cur_user_homework_for_bid bid
bid.homeworks.where("user_id = ?",User.current)
end
#判断当前用户对指定作业是否已经评价过
def has_evaluation? homework
seem_count = homework.rates(:quality).where("rater_id = ?",User.current).count
seem_count > 0
end
#获取指定作业的所有成员
def users_for_homework homework
homework.nil? ? [] : (homework.users + [homework.user])
end
#获取指定项目的得分
def project_score project
issue_count = project.issues.count
issue_journal_count = project.issue_changes.count
issue_score = issue_count * 0.2
issue_journal_score = issue_journal_count * 0.1
finall_issue_score = issue_score + issue_journal_score
new_count = project.news.count
new_score = new_count * 0.1
finall_new_score = new_score
document_count = project.documents.count
file_score = document_count * 0.1
finall_file_score = file_score
changeset_count = project.changesets.count
code_submit_score = changeset_count * 0.3
finall_code_submit_score = code_submit_score
board_message_count = 0
project.boards.each do |board|
board_message_count += board.messages_count
end
topic_score = board_message_count * 0.1
#finall_topic_score = topic_score
finall_project_score = finall_issue_score + finall_new_score + finall_file_score + finall_code_submit_score + topic_score
format("%.2f",finall_project_score)
end
#获取指定作业的参与人员
#返回结果:张三、李四、王五
def homework_user_of_homework homework,is_teacher
homework_users = ""
homework.users.each do |user|
homework_users = homework_users + (is_teacher ? (user.lastname + user.firstname) : user.login)
if user != homework.users.last
homework_users = homework_users + ""
end
end
return homework_users
end
def get_courses_by_tag(tag_name)
Course.tagged_with(tag_name).order('updated_at desc')
end
# 获取动态列表名称
def get_acts_list_type type
case type
when "common_homework"
l(:label_common_homework_acts)
when "shixun_homework"
l(:label_shixun_homework_acts)
when "graduation_topic"
l(:label_graduation_topic_acts)
when "graduation_task"
l(:label_graduation_task_acts)
when "news"
l(:label_news_acts)
when "attachment"
l(:label_attachment_acts)
when "message"
l(:label_message_acts)
when "journalsForMessage"
l(:label_journalsForMessage_acts)
when "poll"
l(:label_poll_acts)
when "group_homework"
l(:label_group_homework_acts)
when "exercise"
l(:label_exercise_acts)
when "JoinCourse"
l(:label_joinCourse_acts)
else
l(:label_all_cats)
end
end
#分班下拉框
def course_group_option course_groups
type = []
option1 = []
option1 << "选择分班"
option1 << -1
type << option1
option2 = []
option2 << "未分班"
option2 << 0
type << option2
unless course_groups.nil?
course_groups.each do |cg|
option = []
option << cg.name
option << cg.id
type << option
end
end
type
end
#课程实践年份下拉框
def course_time_option year
type = []
month = Time.now.month
now_year = year.nil? ? Time.now.year : (Time.now.year <= year ? Time.now.year : year)
year = month < 2 && now_year >=Time.now.year ? now_year - 1 : now_year
for i in (year-3..year + 10)
option = []
option << i
option << i
type << option
end
type
end
#课程课时下拉框
def course_term_option
type = []
option1 = []
option1 << l(:label_spring)
option1 << l(:label_spring)
option2 = []
option2 << l(:label_summer)
option2 << l(:label_summer)
option3 = []
option3 << l(:label_autumn)
option3 << l(:label_autumn)
type << option1
type << option2
type << option3
type
end
def cur_course_term
month = Time.now.month
if month >= 9 || month < 2
term = "秋季学期"
elsif (month >= 7 && Time.now.day >= 15) || month == 8
term = "夏季学期"
else
term = "春季学期"
end
term
end
def course_in_current_or_next_term course
is_current_term = false
is_next_term = false
year_now = Time.now.month < 2 ? Time.now.year - 1:Time.now.year
if course.time == year_now && course.term == cur_course_term
is_current_term = true
end
if cur_course_term == "秋季学期" && course.time == (year_now + 1) && course.term == "春季学期"
is_next_term = true
elsif cur_course_term == "春季学期" && course.time == year_now && course.term == "夏季学期"
is_next_term = true
elsif cur_course_term == "夏季学期" && course.time == year_now && course.term == "秋季学期"
is_next_term = true
end
is_current_term || is_next_term
end
#课程大纲下拉框
def syllabus_option
type = []
option1 = []
option1 << "请选择课程"
option1 << 0
type << option1
Syllabus.all.each do |syllabus|
option = []
option << syllabus.title
option << syllabus.id
type << option
end
type
end
#获取课程动态
def get_course_activity courses, activities
@course_ids=activities.keys()
days = Setting.activity_days_default.to_i
#原来课程动态计算当期时间前(一年+一月)的动态
# date_to ||= Date.today + 1
# #date_from = date_to - days-1.years
date_from = @course.created_at.to_date-days
#file_count
Attachment.where(container_id: @course_ids, container_type: Course).where("created_on>?", date_from).each do |attachment|
if attachment.is_public? || User.current.member_of_course?(@course) || User.current.admin?
activities[attachment.container_id]+=1
else
activities[attachment.container_id]
end
end
#message_count
Board.where(course_id: @course_ids).each do |board|
countmessage = 0
# 课程人员退出课程后,之前在讨论区回帖不计入课程动态统计
board.messages.where("updated_on>?", date_from).each do |message|
if message.author.member_of_course?(@course)
countmessage+=1
end
end
activities[board.course_id]+=countmessage
end
#news
News.where(course_id: @course_ids).where("created_on>?",date_from).each do |news|
if news.author.member_of_course?(@course)
activities[news.course_id]+=1
end
end
#homework_count
# HomeworkForCourse.where(course_id: @course_ids).each do |homework|
# countbid=0
# # @bid_ids<<homework.bid_id
# Bid.where(id: homework.bid_id).where("created_on>?",date_from).each do |bid|
# countbid+=1
# end
# activities[homework.course_id]+=countbid
# end
#poll_count
# 动态目前只统计发布的问卷,关闭的问卷不在动态内显示
# Poll.where(polls_group_id: @course_ids, polls_type: Course, polls_status: 2||3).where("published_at>?",date_from).each do |poll|
Poll.where(polls_group_id: @course_ids, polls_type: Course, polls_status: 2||3).where("published_at>?",date_from).each do |poll|
activities[poll.polls_group_id]+=1
end
#end
# 动态数 + 1 ( 某某创建了该课程 )
activities.each_pair { |key, value| activities[key] = value + 1 }
return activities
end
#获取某个课程的动态数
def course_activity_count course
course_activity_count=Hash.new
course_activity_count[course.id]=0
count = get_course_activity([course],course_activity_count)[course.id]
count.nil? ? 0 : count
end
#重启、关闭课程按钮
def set_course_time course
# id = "finish_course_#{course.id}"
# linkPath = course_endTime_timeout?(course) ? restartcourse_course_path(course) : finishcourse_course_path(course, format: :js)
# desc = course_endTime_timeout?(course) ? l(:label_course_reload) : l(:label_course_closed)
# link_to "<span class='pr_close'></span>#{desc}".html_safe, linkPath, :remote => true, :method => :post, :id => id, :confirm => l(:label_course_closed_tips, :desc => desc), :class => "pr_join_a"
end
#加入课程、退出课程按钮
def join_in_course_header(course, user, options=[])
if user.logged?
joined = course.members.includes(:user).map{|member| member.user_id}.include? user.id
text = joined ? l(:label_course_exit_student) : l(:label_course_join_student)
url = joined ? join_path(:object_id => course.id) : join_private_courses_courses_path()
method = joined ? 'delete' : 'post'
if joined
link = link_to(text, url, :remote => true, :method => method, :class => "joinclass", :id => "#{course.id}", :confirm => l(:text_are_you_sure_out))
else
link = link_to(text, url, :remote => true, :method => method, :id => "#{course.id}", :class => "joinclass")
end
else
if User.current.logged?
link = "<a href='javascript:void(0)' class='joinclass'>#{l(:label_course_join_student)}</a>"
else
link = link_to(l(:label_course_join_student), signin_url_without_domain, :class => "joinclass")
end
end
link.html_safe
end
def zh_course_role role
if role == "TeachingAsistant"
result = l(:label_TA)
elsif role == "Teacher"
result = l(:label_teacher)
elsif role == "Student"
result = l(:label_student)
elsif role == "Manager"
result = l(:field_admin)
elsif role.include?("TeachingAsistant") && role.include?("Student")
result = l(:label_TA) + " " + l(:label_student)
elsif role.include?("Teacher") && role.include?("Student")
result = l(:label_teacher) + " " + l(:label_student)
end
result
end
#生成课程相关动态的链接
def course_activity_link activity
# activity = CourseActivity.first
title = ""
url = ""
if activity.course_act
case activity.course_act_type
when "Course"
title = activity.course_act.name
url = course_path activity.course
when "HomeworkCommon"
title = "作业&nbsp;" + activity.course_act.name
url = student_work_index_path(:homework => activity.course_act.id)
when "News"
title = "通知公告&nbsp;" + activity.course_act.title
url = course_news_index_path(activity.course)
when "Attachment"
title = "课件&nbsp;" + activity.course_act.filename
url = course_files_path(activity.course)
when "Message"
title = "课程讨论区&nbsp;" + activity.course_act.subject
url = course_boards_path(activity.course,:parent_id => activity.course_act.parent_id ? activity.course_act.parent_id : activity.course_act.id, :topic_id => activity.course_act.id)
when "JournalsForMessage"
title = "留言&nbsp;" + activity.course_act.notes
url = course_feedback_path(activity.course)
when "Poll"
title = "问卷&nbsp;" + activity.course_act.polls_name
url = poll_path(activity.course_act_id)
end
end
link_to title.gsub(/<(?!img)[^>]*>/,'').html_safe, url, :class => "problem_tit c_dblue fl fb"
end
#课程动态的描述
def course_activity_desc activity
desc = ""
if activity.course_act
case activity.course_act_type
when "Course"
desc = ""
when "HomeworkCommon"
desc = activity.course_act.description
when "News"
desc = activity.course_act.description
when "Attachment"
desc = ""
when "Message"
desc = activity.course_act.content
when "JournalsForMessage"
desc = ""
when "Poll"
desc = activity.course_act.polls_description
end
end
desc.html_safe
end
# 学生按作业总分排序取前6个
def hero_homework_score(course, score_sort_by)
sql_select = "SELECT members.*,(
SELECT SUM(work_score)
FROM student_works,homework_commons
WHERE student_works.homework_common_id = homework_commons.id
AND homework_commons.course_id = #{course.id}
AND student_works.user_id = members.user_id
) AS score
FROM members
JOIN students_for_courses
ON students_for_courses.student_id = members.user_id AND students_for_courses.course_id = members.course_id
WHERE members.course_id = #{course.id} ORDER BY score #{score_sort_by} limit 6"
homework_scores = Member.find_by_sql(sql_select)
end
def contributor_course_scor(course_id)
ccs = CourseContributorScore.find_by_sql("SELECT ccs.*, (message_num*2 + message_reply_num + news_reply_num + news_num +
resource_num*5 + journal_num + homework_journal_num ) as con_score FROM `course_contributor_scores` ccs JOIN students_for_courses sfs
ON sfs.student_id = ccs.user_id AND sfs.course_id = ccs.course_id where ccs.course_id = #{course_id} order by
con_score desc limit 6;")
end
#用户在该课程是否具有某个角色
def get_user_member_roles_course course, user, role
members = course.members.where("user_id = #{user.id}")
result = false
unless members.blank?
m_roles = MemberRole.where("member_id = #{members.first.id} and role_id = #{role}")
end
result = !m_roles.blank?
result
end
#获取该班级下已关联项目的分组作业
def select_group_homeworks course
student_work_pros = course.student_work_projects.where("project_id != -1 && project_id != 0")
homeworks = @course.homework_commons.where(:id => student_work_pros.map(&:homework_common_id))
end
end