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pgfqe6ch8/app/controllers/poll_controller.rb

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#encoding utf-8
class PollController < ApplicationController
before_filter :local_exam
before_filter :find_poll_and_course, :only => [:edit,:update,:destroy,:show,:statistics_result,:create_poll_question,:commit_poll,:commit_answer,:publish_poll,:publish_notice,:end_notice,:cancel_publish,:poll_result,
:close_poll,:export_poll,:save_poll,:update_question_num, :student_poll_list, :poll_setting, :set_public, :add_to_exercise_bank]
before_filter :find_container, :only => [:new,:create, :index]
# before_filter :is_logged, :only => [:index, :show, :poll_result,:new,:create,:edit,:update,:destroy,:publish_poll,:cancel_publish,:publish_notice,:close_poll,:export_poll,:commit_answer,:commit_poll,:statistics_result,:save_poll,:set_public]
before_filter :is_member_of_course, :only => [:show,:poll_result]
before_filter :is_course_teacher, :only => [:new,:create,:edit,:update,:destroy,:publish_poll,:cancel_publish,:publish_notice,:close_poll,:export_poll,:save_poll,:set_public]
before_filter :require_login, :only => [:student_poll_list, :show]
include PollHelper
include ApplicationHelper
def index
if @course.is_public == 0 && !(User.current.member_of_course?(@course)||User.current.admin?)
render_403
return
end
@is_teacher = User.current.allowed_to?(:as_teacher,@course)
if @is_teacher
polls = @course.polls.order("IF(ISNULL(publish_time),0,1), publish_time DESC, created_at DESC")
elsif User.current.member_of_course?(@course) # 课堂成员显示为发布的和已发布的
member = @course.members.where(:user_id => User.current.id).first
if member.try(:course_group_id).to_i == 0
polls = @course.polls.where("publish_time <= '#{Time.now}' and unified_setting = 1").order("IF(ISNULL(publish_time),0,1),publish_time DESC, created_at DESC")
else # 已分班的成员
not_poll_ids = @course.poll_group_settings.where("course_group_id = #{member.try(:course_group_id)} and (publish_time > '#{Time.now}' or publish_time is null)")
not_poll_ids = not_poll_ids.blank? ? "(-1)" : "(" + not_poll_ids.map(&:poll_id).join(",") + ")" # 已分班,但是成员不再
polls = @course.polls.where("publish_time <= '#{Time.now}' and id not in #{not_poll_ids}").order("IF(ISNULL(publish_time),0,1),publish_time DESC, created_at DESC")
end
else
polls = @course.polls.where("publish_time <= '#{Time.now}'").order("IF(ISNULL(publish_time),0,1),publish_time DESC, created_at DESC")
end
if params[:type]
@type = params[:type]
polls = polls.where(:polls_status => params[:type])
end
@search = params[:search] ? params[:search].to_s.strip : ""
if params[:search]
polls = polls.where("polls_name like '%#{@search}%'")
end
@polls = paginateHelper polls, 15 #分页
@left_nav_type = 6
respond_to do |format|
format.js
format.html{render :layout => 'base_courses'}
end
end
def show
@is_teacher = User.current.allowed_to?(:as_teacher,@course)
=begin
if @poll.polls_status != 2 && !(User.current.allowed_to?(:as_teacher,@course) || User.current.admin?)
render_403
return
end
=end
unless @is_teacher
@user = User.current
@poll_user = PollUser.where("user_id=? and poll_id=?", User.current.id, @poll.id).first
if @poll_user.nil?
@poll_user = PollUser.create(:user_id => User.current.id, :poll_id => @poll.id, :start_at => Time.now, :commit_status => 0)
elsif @poll_user.start_at.nil?
@poll_user.update_attributes(:start_at => Time.now)
end
@can_edit_poll = can_edit_poll @poll, @poll_user
@percent = get_percent(@poll,User.current)
if !@can_edit_poll && @poll_user.commit_status == 0
@poll_user.update_attributes(:end_at => @poll.end_time, :commit_status => 1)
end
else
@user = User.find params[:user_id]
@poll_user = PollUser.where("user_id=? and poll_id=?", params[:user_id], @poll.id).first
@can_edit_poll = false
end
respond_to do |format|
format.html {render :layout => 'base_edu'}
end
end
def new
@poll = Poll.new
respond_to do |format|
format.html{render :layout => 'base_edu'}
end
end
def create
if params[:poll]
poll = Poll.new(:polls_name => params[:poll][:polls_name], :polls_description => params[:poll][:polls_description], :user_id => User.current.id, :polls_type => 'Course',
:course_id => params[:course_id], :show_result => 1, :polls_status => 1)
if poll.save
create_polls_list poll
@poll = poll
respond_to do |format|
format.js
end
end
end
end
def edit
respond_to do |format|
format.html{render :layout => 'base_edu'}
end
end
def update
@poll.polls_name = params[:poll][:polls_name]
@poll.polls_description = params[:poll][:polls_description]
if @poll.save
respond_to do |format|
format.js
end
else
render_404
end
end
def destroy
if @poll && @poll.destroy
redirect_to poll_index_url(:course_id => @course.id)
end
end
def student_poll_list
@order,@b_sort,@name,@group,@status = params[:order] || "end_at",params[:sort] || "desc",params[:name].to_s.strip || "", params[:poll_group], params[:poll_status]
@is_teacher = User.current.allowed_to?(:as_teacher,@course) || User.current.admin?
@member = @course.members.where(:user_id => User.current.id).first
# 判断学生是否有权限查看(问卷未发布、问卷已发布但不是统一设置的未分班学生、分班设置的问卷未发布)
if User.current.member_of_course?(@course) && !@is_teacher
if @poll.publish_time.nil? || @poll.publish_time > Time.now || (!@poll.unified_setting && (@member.course_group_id == 0 ||
@poll.poll_group_settings.where("course_group_id = #{@member.try(:course_group_id)} and (publish_time > '#{Time.now}' or publish_time is null)").count > 0))
render_403
return
end
end
student_id = @course.student.blank? ? "(-1)" : "(" + @course.student.map{|student| student.student_id}.join(",") + ")"
if @poll.polls_status < 2
@poll_users_list = @poll.poll_users.where("0=1")
elsif @poll.unified_setting
@poll_users_list = @poll.poll_users
else
user_ids = @course.members.where(:course_group_id => @poll.poll_group_settings.where("publish_time < '#{Time.now}'").pluck(:course_group_id)).map(&:user_id)
@poll_users_list = @poll.poll_users.where(:user_id => user_ids)
end
@group_teacher = @is_teacher && @member.present? && @member.teacher_course_groups.count > 0
if @group || @group_teacher
group_ids = @group || @member.teacher_course_groups.pluck(:course_group_id)
group_students = @course.members.where(:course_group_id => group_ids).joins("join users on members.user_id = users.id").select{|m| m.roles.to_s.include?("Student")}
if group_students.empty?
student_in_group = '(-1)'
else
student_in_group = '(' + group_students.map{ |member| member.user_id }.join(',') + ')'
end
@poll_users_list = @poll_users_list.where("poll_users.user_id in #{student_in_group}")
else
@poll_users_list = @poll_users_list.where("poll_users.user_id in #{student_id}")
end
if @poll_users_list.size != 0
if @order == "student_id"
@poll_users_list = @poll_users_list.includes(:user => {:user_extensions => []}).order("user_extensions.student_id #{@b_sort}")
else
@poll_users_list = @poll_users_list.includes(:user => {:user_extensions => []}).order("#{@order} #{@b_sort}")
end
end
unless @status.blank?
@poll_users_list = @poll_users_list.where(:commit_status => @status)
end
@poll_users_list = search_work_member @poll_users_list, @name
@tab = params[:tab].nil? ? 1 : params[:tab].to_i
@score = @b_sort == "desc" ? "asc" : "desc"
@poll_count = @poll_users_list.count
@is_new = params[:is_new] ? true : false
@has_commit_count = @poll.poll_users.where(:commit_status => 1).count
@no_group_count = @course.members.where(:course_group_id => 0).select{|m| m.roles.to_s.include?("Student")}.count
@limit = 50
@page = (params['page'] || 1).to_i
@poll_users_list = paginateHelper @poll_users_list, @limit
respond_to do |format|
format.js
format.html{render :layout => 'base_edu'}
end
end
def statistics_result
poll_questions = @poll.poll_questions
member = @course.members.where(:user_id => User.current.id).first
if member.present? && member.teacher_course_groups.count > 0
group_ids = member.teacher_course_groups.pluck(:course_group_id)
group_students = @course.members.where(:course_group_id => group_ids).joins("join users on members.user_id = users.id").select{|m| m.roles.to_s.include?("Student")}
@user_ids = @poll.poll_users.where(:commit_status => 1, :user_id => group_students.map(&:user_id)).map(&:user_id)
else
@user_ids = @poll.poll_users.where(:commit_status => 1).map(&:user_id)
end
@poll_questions = paginateHelper poll_questions, 10
respond_to do |format|
format.js
end
end
def poll_setting
if @poll.polls_status == 1 && @course.course_groups.count > 1
@poll.unified_setting = params[:unified_setting] ? true :false
end
if @poll.unified_setting
params_publish_time = params[:poll_publish_time]
params_end_time = params[:poll_end_time]
min_publish_time = params_publish_time
max_end_time = params_end_time
else
# 获取最小发布时间和最大截止时间赋值给homework
params_publish_time = params[:poll_publish_time_group]
params_end_time = params[:poll_end_time_group]
min_publish_time = @poll.publish_time ? (format_time @poll.publish_time).to_s : ""
max_end_time = @poll.end_time ? (format_time @poll.end_time).to_s : ""
if params[:poll_end_time_group]
max_end_time = ""
params[:poll_end_time_group].each_with_index do |end_time, index|
if end_time != ""
if max_end_time == ""
max_end_time = end_time
end
if end_time > max_end_time
max_end_time = end_time
end
end
end
end
if params[:poll_publish_time_group]
params[:poll_publish_time_group].each_with_index do |publish_time, index|
if publish_time != ""
if min_publish_time == ""
min_publish_time = publish_time
end
if publish_time < min_publish_time
min_publish_time = publish_time
end
end
end
end
end
if params_publish_time && min_publish_time != ""
@poll.publish_time = min_publish_time
@poll.end_time = max_end_time
if @poll.publish_time < Time.now and @poll.polls_status == 1
@poll.polls_status = 2
create_poll_user = 1
if @poll.course_acts.size == 0
@poll.course_acts << CourseActivity.new(:user_id => @poll.user_id,:course_id => @poll.course_id)
end
end
elsif params_publish_time && min_publish_time == ""
create_poll_user = 1
@poll.polls_status = 2
@poll.publish_time = Time.now
@poll.end_time = Time.at(((1.month.since.to_i)/3600.0).ceil * 3600)
if @poll.course_acts.size == 0
@poll.course_acts << CourseActivity.new(:user_id => @poll.user_id,:course_id => @poll.course_id)
end
else
@poll.end_time = max_end_time if params_end_time
end
# 不统一设置且分班数大于一则更新分组设置
if !@poll.unified_setting && @course.course_groups.count > 1
@course.course_groups.each_with_index do |group, index|
poll_group_setting = @poll.poll_group_settings.where(:course_group_id => group.id).first
unless poll_group_setting
poll_group_setting = PollGroupSetting.create(:poll_id => @poll.id, :course_group_id => group.id, :course_id => @course.id)
end
end
group_id = []
@poll.poll_group_settings.where("publish_time is null or publish_time > '#{Time.now}'").joins(:course_group).reorder("CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").each_with_index do |setting, index|
if params[:poll_publish_time_group] && min_publish_time != ""
if params[:poll_publish_time_group][index] && params[:poll_publish_time_group][index] != ""
setting.update_column(:publish_time, params[:poll_publish_time_group][index])
end
elsif params[:poll_publish_time_group] && min_publish_time == ""
setting.update_column(:publish_time, Time.now)
group_id << setting.course_group_id
end
end
@poll.poll_group_settings.where("end_time is null or end_time > '#{Time.now}'").joins(:course_group).reorder("CONVERT(course_groups.name USING gbk) COLLATE gbk_chinese_ci ASC").each_with_index do |setting, index|
if params[:poll_end_time_group] && max_end_time != ""
if params[:poll_end_time_group][index] && params[:poll_end_time_group][index] != ""
setting.update_column(:end_time, params[:poll_end_time_group][index])
end
elsif params[:poll_end_time_group] && max_end_time == ""
setting.update_column(:end_time, Time.at(((1.month.since.to_i)/3600.0).ceil * 3600))
end
end
# 统一设置则删除分组设置
elsif @poll.unified_setting
@poll.poll_group_settings.destroy_all
end
@poll.show_result = params[:show_result] ? 1 : 0
@poll.un_anonymous = params[:un_anonymous] ? 1 : 0
if @poll.save
if create_poll_user.present?
if group_id.present? && group_id.size != 0
if group_id.size == @course.course_groups.count
create_polls_tiding @poll, @course.student
else
members = @course.members.where(:course_group_id => group_id)
create_polls_tiding @poll, members
end
else
create_polls_tiding @poll, @course.student
end
end
redirect_to student_poll_list_poll_path(@poll)
end
end
def get_poll_totalcount poll_question
@total_questions_count = poll_question.poll_votes.count
end
def get_poll_everycount poll_answer
@every_answer_count = poll_answer.poll_votes.count
end
def update_question_num
@poll_question = PollQuestion.find params[:ques_id]
poll_questions = @poll.poll_questions
if @poll_question
if params[:opr] == 'up' && @poll_question.question_number > 1
@before_que = poll_questions.where("question_number = #{@poll_question.question_number - 1}").first
if @before_que && @poll_question.update_attribute('question_number', @poll_question.question_number - 1)
@before_que.update_attribute('question_number', @before_que.question_number + 1)
end
elsif params[:opr] == 'down' && @poll_question.question_number < poll_questions.count
@after_que = poll_questions.where("question_number = #{@poll_question.question_number + 1}").first
if @after_que && @poll_question.update_attribute('question_number', @poll_question.question_number + 1)
@after_que.update_attribute('question_number', @after_que.question_number - 1)
end
end
respond_to do |format|
format.js
end
end
end
#添加题目
def create_poll_question
@last_question = @poll.poll_questions.last
question_title = params[:question_title].nil? || params[:question_title].empty? ? l(:label_enter_single_title) : params[:question_title]
option = {
:is_necessary => (params[:is_necessary] == "1" ? 1 : 0),
:question_title => question_title,
:question_type => params[:question_type] || 1,
:question_number => @poll.poll_questions.count + 1,
:max_choices => params[:max_choices].to_i || 0,
:min_choices => params[:min_choices].to_i || 0
}
@poll_questions = @poll.poll_questions.new option
if params[:question_answer]
for i in 1..params[:question_answer].count
answer = (params[:question_answer].values[i-1].nil? || params[:question_answer].values[i-1].empty?) ? l(:label_new_answer) : params[:question_answer].values[i-1]
question_option = {
:answer_position => i,
:answer_text => answer
}
@poll_questions.poll_answers.new question_option
end
end
if params[:question_other_answer]
question_option = {
:answer_position => params[:question_answer].count + 1,
:answer_text => ''
}
@poll_questions.poll_answers.new question_option
end
# 如果是插入的话那么从插入的这个id以后的question_num都将要+1
if params[:quest_id] != "0"
insert_poll = PollQuestion.find params[:quest_id]
if insert_poll
@is_insert = true
ques_num = insert_poll.question_number
@poll.poll_questions.where("question_number > #{ques_num}").update_all(" question_number = question_number + 1")
@poll_question_num = ques_num
@poll_questions.question_number = ques_num + 1
end
end
if @poll_questions.save
respond_to do |format|
format.js
end
end
end
#修改题目
def update_poll_question
@poll_question = PollQuestion.find params[:poll_question]
@poll = @poll_question.poll
@poll_question.question_title = params[:question_title].nil? || params[:question_title].empty? ? l(:label_enter_single_title) : params[:question_title]
@poll_question.max_choices = params[:max_choices].to_i || 0
@poll_question.min_choices = params[:min_choices].to_i || 0
################处理选项
if params[:question_answer]
@poll_question.poll_answers.each do |answer|
answer.destroy unless params[:question_answer].keys.include? answer.id.to_s
end
for i in 1..params[:question_answer].count
question = @poll_question.poll_answers.find_by_id params[:question_answer].keys[i-1]
answer = (params[:question_answer].values[i-1].nil? || params[:question_answer].values[i-1].empty?) ? l(:label_new_answer) : params[:question_answer].values[i-1]
if question
question.answer_position = i
question.answer_text = answer
question.save
else
question_option = {
:answer_position => i,
:answer_text => answer
}
@poll_question.poll_answers.new question_option
end
end
if params[:question_other_answer]
question = @poll_question.poll_answers.where("answer_text = ''").first
unless question
question_option = {
:answer_position => params[:question_answer].count + 1,
:answer_text => ''
}
@poll_question.poll_answers.new question_option
end
else
question = @poll_question.poll_answers.where("answer_text = ''").first
if question
question.destroy
end
end
end
@poll_question.save
respond_to do |format|
format.js
end
end
#删除题目
def delete_poll_question
@poll_question = PollQuestion.find params[:poll_question]
@poll = @poll_question.poll
@poll.poll_questions.where("question_number>?",@poll_question.question_number).update_all("question_number = question_number - 1")
if @poll_question && @poll_question.destroy
respond_to do |format|
format.js
end
end
end
def publish_notice
if @poll.publish_time
@status = 1
else
@status = 0
end
if @course.course_groups.count > 1
if @poll.unified_setting
@groups = @course.course_groups
else
@groups = @course.course_groups.where(:id => @poll.poll_group_settings.where("publish_time is null or publish_time > '#{Time.now}'").map(&:course_group_id))
end
@all_groups = @groups
@groups = paginateHelper @groups, 5
end
end
#发布问卷
def publish_poll
if @poll.polls_status == 1
if params[:group_ids]
if @course.course_groups.where(:id => params[:group_ids].split(",")).count == @course.course_groups.count
@poll.poll_group_settings.destroy_all
@poll.update_attribute("unified_setting", true)
# 发消息
create_polls_tiding @poll, @course.student
else
@poll.update_attribute("unified_setting", false)
@course.course_groups.each do |group|
poll_group_setting = @poll.poll_group_settings.where(:course_group_id => group.id).first
unless poll_group_setting
PollGroupSetting.create(:poll_id => @poll.id, :course_group_id => group.id, :course_id => @course.id, :publish_time => @poll.publish_time, :end_time => @poll.end_time)
end
end
@poll.poll_group_settings.where(:course_group_id => params[:group_ids].split(",")).update_all(:publish_time => Time.now)
@poll.poll_group_settings.where(:course_group_id => params[:group_ids].split(","), :end_time => nil).update_all(:end_time => Time.at(((1.month.since.to_i)/3600.0).ceil * 3600))
# 发消息
members = @course.members.where(:course_group_id => params[:group_ids].split(","))
create_polls_tiding @poll, members
end
else
@poll.poll_group_settings.destroy_all
# 发消息
create_polls_tiding @poll, @course.student
end
@poll.polls_status = 2
@poll.publish_time = Time.now
if @poll.end_time.nil?
@poll.end_time = Time.at(((1.month.since.to_i)/3600.0).ceil * 3600)
elsif PollGroupSetting.where("poll_id = #{@poll.id} and end_time is not null").count > 0
@poll.update_attribute("end_time", PollGroupSetting.where("poll_id = #{@poll.id} and end_time is not null").map(&:end_time).max)
end
if @poll.save
# create_polls_list @poll
if @poll.course_acts.size == 0
@poll.course_acts << CourseActivity.new(:user_id => @poll.user_id,:course_id => @poll.course_id)
end
end
else
@poll.poll_group_settings.where(:course_group_id => params[:group_ids].split(",")).update_all(:publish_time => Time.now)
@poll.poll_group_settings.where(:course_group_id => params[:group_ids].split(","), :end_time => nil).update_all(:end_time => Time.at(((1.month.since.to_i)/3600.0).ceil * 3600))
if PollGroupSetting.where("poll_id = #{@poll.id} and end_time is not null").count > 0
@poll.update_attribute("end_time", PollGroupSetting.where("poll_id = #{@poll.id} and end_time is not null").map(&:end_time).max)
end
members = @course.members.where(:course_group_id => params[:group_ids].split(","))
create_polls_tiding @poll, members
end
if @poll.end_time > Time.now && @poll.polls_status > 2
@poll.update_attribute("polls_status", 2)
end
redirect_to student_poll_list_poll_path(@poll)
end
def end_notice
if @course.course_groups.count > 1
unless @poll.unified_setting
@groups = @course.course_groups.where(:id => @poll.poll_group_settings.where("publish_time < '#{Time.now}' and end_time > '#{Time.now}'").map(&:course_group_id))
@all_groups = @groups
@groups = paginateHelper @groups, 5
end
end
end
#关闭问卷
def close_poll
time = Time.now
poll_users = @poll.poll_users.where("0=1")
# if @poll.polls_status == 2 && @poll.end_time > Time.now
if params[:group_ids]
# @poll.poll_group_settings.where(:course_group_id => params[:group_id]).where("publish_time > '#{Time.now}' or publish_time is null").update_all(:publish_time => time)
@poll.poll_group_settings.where(:course_group_id => params[:group_ids].split(",")).update_all(:end_time => time)
poll_users = @poll.poll_users.where(:user_id => @course.members.where(:course_group_id => params[:group_ids].split(",")).map(&:user_id))
@poll.update_attribute("end_time", PollGroupSetting.where("poll_id = #{@poll.id} and end_time is not null").map(&:end_time).max)
if @poll.end_time > Time.now && @poll.polls_status > 2
@poll.update_attribute("polls_status", 2)
elsif @poll.end_time <= Time.now && @poll.polls_status == 2
@poll.update_attribute("polls_status", 3)
end
elsif @poll.unified_setting
poll_users = @poll.poll_users
@poll.update_attributes(:polls_status => 3, :end_time => time)
end
poll_users.each do |poll_user|
if poll_user.commit_status == 0 && !poll_user.start_at.nil?
poll_user.update_attributes(:commit_status => 1, :end_at => Time.now)
end
end
# end
redirect_to student_poll_list_poll_path(@poll)
end
#保存问卷
def save_poll
@poll.show_result = params[:show_result].to_i
if @poll.save
respond_to do |format|
format.js
end
end
end
#提交答案
def commit_answer
pq = PollQuestion.find(params[:poll_question_id])
poll_user = PollUser.where(:poll_id => @poll.id, :user_id => User.current.id).first
if (poll_user && poll_user.commit_status == 1) || @poll.end_time < Time.now
render :json => {:text => "Over"}
return
end
if pq.question_type == 1
#单选题
pv = PollVote.find_by_poll_question_id_and_user_id(params[:poll_question_id],User.current.id)
if pv.nil?
#尚未答该题,添加答案
pv = PollVote.new
pv.user_id = User.current.id
pv.poll_question_id = params[:poll_question_id]
end
#修改该题对应答案
pv.poll_answer_id = params[:poll_answer_id]
pv.vote_text = params[:vote_text] ? params[:vote_text] : ""
if pv.save
#保存成功返回成功信息及当前以答题百分比
@percent = get_percent(@poll,User.current)
render :json => {:text => "ok" ,:percent => format("%.2f" ,@percent)}
else
#返回失败信息
render :json => {:text => "failure"}
end
elsif pq.question_type == 2
#多选题
pv = PollVote.find_by_poll_answer_id_and_user_id(params[:poll_answer_id],User.current.id)
if pv.nil?
#尚未答该题,添加答案
count = PollVote.where("poll_question_id = #{params[:poll_question_id].to_i} and user_id = #{User.current.id}").count
if pq.max_choices != 0 && count >= pq.max_choices
render :json => {:text => "over"}
else
pv = PollVote.new
pv.user_id = User.current.id
pv.poll_question_id = params[:poll_question_id]
pv.poll_answer_id = params[:poll_answer_id]
pv.vote_text = params[:vote_text] if params[:vote_text]
if pv.save
@percent = get_percent(@poll,User.current)
render :json => {:text => "ok",:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
end
else
#pv不为空则当前选项之前已被选择再次点击则是不再选择该项故删除该答案
if params[:vote_text]
pv.vote_text = params[:vote_text]
if pv.save
@percent = get_percent(@poll,User.current)
render :json => {:text => "ok",:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
else
if pv.delete
@percent = get_percent(@poll,User.current)
render :json => {:text => "false" ,:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
end
end
elsif pq.question_type == 3
#单行文本
pv = PollVote.find_by_poll_question_id_and_user_id(params[:poll_question_id],User.current.id)
if pv.nil?
#pv为空之前尚未答题添加答案
if params[:vote_text].nil? || params[:vote_text].blank?
#用户提交空答案,视作不作答
@percent = get_percent(@poll,User.current)
render :json => {:text => "",:percent => format("%.2f" ,@percent)}
else
#添加答案
pv = PollVote.new
pv.user_id = User.current.id
pv.poll_question_id = params[:poll_question_id]
pv.vote_text = params[:vote_text]
if pv.save
@percent = get_percent(@poll,User.current)
render :json => {:text => pv.vote_text,:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
end
else
#pv不为空说明用户之前已作答
if params[:vote_text].nil? || params[:vote_text].blank?
#用户提交空答案,视为删除答案
if pv.delete
@percent = get_percent(@poll,User.current)
render :json => {:text => "",:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
else
#用户修改答案
pv.vote_text = params[:vote_text]
if pv.save
@percent = get_percent(@poll,User.current)
render :json => {:text => pv.vote_text,:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
end
end
elsif pq.question_type == 4
#多行文本题
pv = PollVote.find_by_poll_question_id_and_poll_answer_id_and_user_id(params[:poll_question_id],params[:poll_answer_id],User.current.id)
if pv.nil?
#pv为空之前尚未答题添加答案
if params[:vote_text].nil? || params[:vote_text].blank?
#用户提交空答案,视作不作答
@percent = get_percent(@poll,User.current)
render :json => {:text => "",:percent => format("%.2f" ,@percent)}
else
#添加答案
pv = PollVote.new
pv.user_id = User.current.id
pv.poll_question_id = params[:poll_question_id]
pv.poll_answer_id = params[:poll_answer_id]
pv.vote_text = params[:vote_text]
if pv.save
@percent = get_percent(@poll,User.current)
render :json => {:text => pv.vote_text,:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
end
else
#pv不为空说明用户之前已作答
if params[:vote_text].nil? || params[:vote_text].blank?
#用户提交空答案,视为删除答案
if pv.delete
@percent = get_percent(@poll,User.current)
render :json => {:text => "",:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
else
#用户修改答案
pv.vote_text = params[:vote_text]
if pv.save
@percent = get_percent(@poll,User.current)
render :json => {:text => pv.vote_text,:percent => format("%.2f" ,@percent)}
else
render :json => {:text => "failure"}
end
end
end
else
render :json => {:text => "failure"}
end
end
#提交问卷
def commit_poll
@uncomplete_question = get_uncomplete_question(@poll,User.current)
if @uncomplete_question.count < 1
pu = @poll.poll_users.where(:user_id => User.current.id).first
pu.commit_status = 1
pu.end_at = Time.now
if pu.save
@status = 0 #提交成功
tid_str = ""
member = @course.members.where(:user_id => User.current.id).first
teachers = tiding_teachers @course, member
teachers.find_each do |mem|
tid_str += "," if tid_str != ""
tid_str += "(#{mem.user_id}, #{User.current.id}, #{@poll.id}, 'Poll', #{@poll.id}, 'CommitPoll', #{@course.id}, 'Course', 0, 'Poll', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
end
tid_sql = "insert into tidings (user_id, trigger_user_id, container_id, container_type, parent_container_id, parent_container_type, belong_container_id, belong_container_type, viewed, tiding_type, created_at, updated_at) values" + tid_str
ActiveRecord::Base.connection.execute tid_sql
else
@status = 2 #未知错误
end
else
@status = 1 #有未做得必答题
end
respond_to do |format|
format.js
end
end
def import_poll
@poll = Poll.find(params[:to_id])
question_num = @poll.poll_questions.select("max(question_number) question_number").first.question_number
import_poll = Poll.find(params[:import_id])
import_poll.poll_questions.each_with_index do |question,index|
option = {
:is_necessary => question.is_necessary,
:question_title => question.question_title,
:question_type => question.question_type,
:question_number => question_num + index+1
}
poll_questions = @poll.poll_questions.new option
for i in 1..question.poll_answers.count
answer = question.poll_answers[i-1][:answer_text]
question_option = {
:answer_position => i,
:answer_text => answer
}
poll_questions.poll_answers.new question_option
end
@poll.poll_questions << poll_questions
end
if @poll.save
@poll = Poll.find(params[:to_id])
respond_to do |format|
format.js
end
end
end
def cancel_publish
ActiveRecord::Base.transaction do
@poll.poll_users.destroy_all
PollVote.where(:poll_question_id => @poll.poll_questions.pluck(:id)).destroy_all
@poll.update_attributes(:polls_status => 1, :publish_time => nil, :end_time => nil, :unified_setting => 1)
@poll.poll_group_settings.destroy_all
@poll.course_acts.destroy_all
@poll.tidings.destroy_all
create_polls_list @poll
end
redirect_to student_poll_list_poll_path(@poll)
end
#显示某个学生某份问卷的填写结果
def poll_result
@poll_questions = @poll.poll_questions
@left_nav_type = 7
respond_to do |format|
format.html{render :layout => 'base_courses'}
end
end
def set_public
if User.current.admin? || User.current.allowed_to?(:as_teacher, @course)
@poll.update_attributes(:is_public => true)
end
end
def add_to_exercise_bank
exercise_bank = User.current.exercise_banks.where(:container_id => @poll.id, :container_type => "Poll").first
if exercise_bank.present?
exercise_bank.update_attributes(:name => @poll.polls_name, :description => @poll.polls_description, :course_list_id => @poll.course.try(:course_list_id))
question_bank = QuestionBank.where(:container_id => exercise_bank.id, :container_type => exercise_bank.container_type).first
question_bank.update_attributes(:name => exercise_bank.name, :course_list_id => exercise_bank.course_list_id) if question_bank.present?
exercise_bank.exercise_bank_questions.destroy_all
else
exercise_bank = ExerciseBank.new(:name => @poll.polls_name, :description => @poll.polls_description, :user_id => User.current.id, :is_public => 0,
:course_list_id => @poll.course.try(:course_list_id), :container_id => @poll.id, :container_type => "Poll", :quotes => 1)
if exercise_bank.save
QuestionBank.create(:name => exercise_bank.name, :container_id => exercise_bank.id, :container_type => exercise_bank.container_type, :quotes => exercise_bank.quotes,
:user_id => exercise_bank.user_id, :is_public => exercise_bank.is_public, :course_list_id => exercise_bank.course_list_id)
end
end
@poll.poll_questions.each do |q|
option = {
:question_title => q[:question_title],
:question_type => q[:question_type] || 1,
:is_necessary => q[:is_necessary],
:question_number => q[:question_number],
:max_choices => q[:max_choices],
:min_choices => q[:min_choices]
}
exercise_bank_question = exercise_bank.exercise_bank_questions.new option
for i in 1..q.poll_answers.count
choice_option = {
:choice_position => i,
:choice_text => q.poll_answers[i-1][:answer_text]
}
exercise_bank_question.exercise_bank_choices.new choice_option
end
end
exercise_bank.save
end
#导出问卷
def export_poll
poll_questions = @poll.poll_questions
respond_to do |format|
format.xls {
send_data(poll_to_xls(poll_questions), :type => "text/excel;charset=utf-8; header=present",
:filename => filename_for_content_disposition("#{@poll.polls_name}.xls") )
}
end
end
# 将题库的问卷导出来
def other_poll
@search = params[:search] ? params[:search].to_s.strip.downcase : ""
if(params[:type].blank? || params[:type] == "1") #我的题库
@polls = User.current.exercise_banks.where(:container_type => "Poll")
elsif params[:type] == "2" #公共题库
@polls = ExerciseBank.where(:container_type => "Poll", :is_public => true)
end
@type = params[:type] || "1"
if @search.present?
course_list_ids = CourseList.where("name like '%#{@search}%'").map(&:id)
course_list_ids = course_list_ids.length == 0 ? "(-1)" : "("+ course_list_ids.join(",") +")"
@polls = @polls.where("name like '%#{@search}%' or course_list_id in #{course_list_ids}").reorder("created_at desc")
else
@polls = @polls.reorder("created_at desc")
end
@course_id = params[:course_id]
@polls = paginateHelper @polls,8
@page = params[:page].nil? ? 1 : params['page'].to_i
poll_count = @polls.count
@total_pages = (poll_count / 8.0).ceil
respond_to do |format|
format.js
end
end
# 将问卷导入本课程
def import_other_poll
course_id = params[:course_id]
course = Course.find(course_id)
if params[:poll_id]
poll = ExerciseBank.find(params[:poll_id])
@poll = quote_poll_bank poll, course
if @poll
redirect_to student_poll_list_poll_path(@poll, :tab => 4)
end
end
end
private
def remove_invalid_poll(course)
polls = Poll.where("polls_type = 'Course' and course_id = #{course.id} and polls_name = ''")
unless polls.empty?
polls.each do |poll|
if poll.poll_questions.empty?
poll.destroy
end
end
end
end
def find_poll_and_course
@poll = Poll.find params[:id]
@course = Course.find @poll.course_id
rescue Exception => e
render_404
end
def find_container
@course = Course.find params[:course_id]
rescue Exception => e
render_404
end
def is_logged
redirect_to signin_path unless User.current.logged?
end
def is_member_of_course
render_403 unless(@course && (User.current.member_of_course?(@course) || User.current.admin?))
end
def is_course_teacher
@is_teacher = User.current.allowed_to?(:as_teacher,@course)
render_403 unless(@course && @is_teacher)
end
#获取未完成的题目
def get_uncomplete_question poll,user
necessary_questions = poll.poll_questions.where("#{PollQuestion.table_name}.is_necessary = 1")
uncomplete_question = []
necessary_questions.each do |question|
answers = get_user_answer(question,user)
if question.question_type != 4
if answers.nil? || answers.count < 1
uncomplete_question << question
end
else
if answers.nil? || answers.count < question.poll_answers.count
uncomplete_question << question
end
end
# if answers.nil? || answers.count < 1
# uncomplete_question << question
# end
end
uncomplete_question
end
#获取用户对某个问题的答案
def get_user_answer(question,user)
user_answer = question.poll_votes.where("#{PollVote.table_name}.user_id = #{user.id}")
user_answer
end
def get_complete_question(poll,user)
questions = poll.poll_questions.includes(:poll_votes)
complete_question = []
questions.each do |question|
answers = question.poll_votes.select{|e| e.user_id == user.id}
if !(answers.empty? || answers.count < 1)
complete_question << question
end
# if question.question_type != 4
# if !(answers.nil? || answers.count < 1)
# complete_question << question
# end
# else
# end
end
complete_question
end
def get_percent poll,user
if poll.poll_questions.count == 0
return 0
else
complete_count = get_complete_question(poll,user).count
all_count = poll.poll_questions.where("question_type != 4").count
# poll.poll_questions.where("question_type = 4").each do |pq|
# all_count += pq.poll_answers.count
# end
return (complete_count.to_f / all_count.to_f)*100
end
end
#PollUser记录用户是否已提交问卷有对应的记录则已提交没有则新建一个
def get_poll_user poll_id,user_id
pu = PollUser.find_by_poll_id_and_user_id(poll_id,user_id)
if pu.nil?
pu = PollUser.new
end
pu
end
#将poll中题目转换为Excel
def poll_to_xls poll_questions
xls_report = StringIO.new
book = Spreadsheet::Workbook.new
sheet1 = book.create_worksheet :name => "poll"
blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10
count_row = 0
member = @course.members.where(:user_id => User.current.id).first
if member.present? && member.teacher_course_groups.count > 0
group_ids = member.teacher_course_groups.pluck(:course_group_id)
group_students = @course.members.where(:course_group_id => group_ids).joins("join users on members.user_id = users.id").select{|m| m.roles.to_s.include?("Student")}
poll_users = @poll.poll_users.where(:commit_status => 1, :user_id => group_students.map(&:user_id))
else
poll_users = @poll.poll_users.where(:commit_status => 1)
end
poll_questions.each do |poll_question|
if poll_question.question_type == 1 || poll_question.question_type == 2
sheet1.row(count_row).default_format = blue
sheet1[count_row,0]= l(:label_poll_question_num,:num => poll_question.question_number)
sheet1[count_row + 1,0] = l(:label_poll_subtotal)
sheet1[count_row + 2,0] = l(:label_poll_proportion)
poll_question.poll_answers.each_with_index do |poll_answer,i|
sheet1[count_row, i + 1] = poll_answer.answer_text == "" ? l(:label_poll_other) : poll_answer.answer_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")
sheet1[count_row + 1, i + 1] = poll_answer.poll_votes.where(:user_id => poll_users.map(&:user_id)).count
sheet1[count_row + 2, i + 1] = statistics_result_percentage(poll_answer.poll_votes.where(:user_id => poll_users.map(&:user_id)).count, total_answer(poll_question.id, poll_users.map(&:user_id))).to_s + "%"
end
sheet1[count_row + 3,0] = l(:label_poll_valid_commit)
sheet1[count_row + 3,1] = total_answer(poll_question.id, poll_users.map(&:user_id))
count_row += 5
else
sheet1.row(count_row).default_format = blue
sheet1[count_row,0] = l(:label_poll_question_num,:num => poll_question.question_number)
sheet1[count_row,1] = poll_question.question_title
count_row += 1
if poll_question.question_type == 3
poll_question.poll_votes.where(:user_id => poll_users.map(&:user_id)).each do |poll_vote|
sheet1[count_row,0] = poll_vote.vote_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")
count_row += 1
end
count_row += 1
else
count = 0
poll_question.poll_answers.reorder("answer_position asc").each_with_index do |poll_answer,i|
sheet1.row(count_row).default_format = blue
sheet1[count_row, i] = poll_answer.answer_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")
count = poll_question.poll_votes.where(:poll_answer_id => poll_answer.id, :user_id => poll_users.map(&:user_id)).count > count ? poll_question.poll_votes.where(:poll_answer_id => poll_answer.id, :user_id => poll_users.map(&:user_id)).count : count
poll_question.poll_votes.where(:poll_answer_id => poll_answer.id, :user_id => poll_users.map(&:user_id)).each_with_index do |poll_vote, j|
sheet1[count_row + j + 1,i] = poll_vote.vote_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")
end
end
count_row = count_row + count + 2
end
end
end
sheet1.row(count_row).default_format = blue
sheet1[count_row ,0] = l(:label_bidding_number)
if @poll.un_anonymous
sheet1[count_row, 1] = l(:label_bidding_user_studentname)
current_index = 2
else
current_index = 1
end
poll_questions.each do |poll_question|
if poll_question.question_type == 4
poll_question.poll_answers.reorder("answer_position asc").each do |ans|
sheet1[count_row ,current_index] = poll_question.question_title + "(#{ans.answer_text})"
current_index += 1
end
else
sheet1[count_row ,current_index] = poll_question.question_title
current_index += 1
end
end
count_row += 1
poll_users.reorder("end_at desc").each_with_index do |poll_user, index|
user = poll_user.user
sheet1[count_row ,0] = index + 1
if @poll.un_anonymous
sheet1[count_row, 1] = user.show_real_name
current_index = 2
else
current_index = 1
end
poll_questions.each_with_index do |poll_question, i|
if poll_question.question_type == 1 || poll_question.question_type == 2
sheet1[count_row ,current_index] = user.poll_votes.where(:poll_question_id => poll_question.id).map{|poll_vote| (poll_vote.poll_answer.answer_text != "" ? poll_vote.poll_answer.answer_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ") : l(:label_other_answer) + " (" + poll_vote.vote_text.to_s + ") ") if poll_vote.poll_answer}.join(";")
current_index += 1
elsif poll_question.question_type == 3
sheet1[count_row ,current_index] = user.poll_votes.where(:poll_question_id => poll_question.id).map{|poll_vote| poll_vote.vote_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")}.join(";")
current_index += 1
else
poll_question.poll_answers.reorder("answer_position asc").each do |ans|
poll_vote = user.poll_votes.where(:poll_question_id => poll_question.id, :poll_answer_id => ans.id).first
sheet1[count_row ,current_index] = poll_vote.nil? ? "" : poll_vote.vote_text
current_index += 1
end
end
end
count_row += 1
end
book.write xls_report
xls_report.string
end
end