socialforge/app/services/resources_service.rb

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2016-07-02 23:46:45 +08:00
#coding=utf-8
class ResourcesService
#发送资源到课程
def send_resource_to_course user,params
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send_id = params[:send_id]
@ori = Attachment.find_by_id(send_id)
course_ids = params[:course_ids]
@flag = false
unless course_ids.nil?
course_ids.each do |id|
next if @ori.blank?
@exist = false
Course.find(id).attachments.each do |att| #如果课程中包含该资源
if att.id == @ori.id || (!att.copy_from.nil? && !@ori.copy_from.nil? && att.copy_from == @ori.copy_from) || att.copy_from == @ori.id || att.id == @ori.copy_from
att.created_on = Time.now
att.save
@exist = true
@flag = true
break
end
end
next if @exist
attach_copied_obj = @ori.copy
attach_copied_obj.tag_list.add(@ori.tag_list) # tag关联
attach_copied_obj.container = Course.find(id)
attach_copied_obj.created_on = Time.now
attach_copied_obj.author_id = user.id
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attach_copied_obj.is_public = 0
attach_copied_obj.copy_from = @ori.copy_from.nil? ? @ori.id : @ori.copy_from #发送要添加copy_from
if attach_copied_obj.attachtype == nil
attach_copied_obj.attachtype = 4
end
if attach_copied_obj.save
# 更新引用次数
quotes = @ori.quotes.to_i + 1
@ori.update_attribute(:quotes, quotes) unless @ori.nil?
@ori.forwards << Forward.new(:to_type => attach_copied_obj.class.name, :to_id => attach_copied_obj.id,:created_at => Time.now)
@flag = true
else
@flag = false
@save_message = attach_copied_obj.errors.full_messages
break
end
end
end
[@ori, @flag, @save_message]
end
# 我的资源-课件 已发布的
def all_course_attachments user
courses = user.courses.not_deleted
courses_ids = courses.empty? ? '(-1)' :"(" + courses.map(&:id).join(",") + ")"
attchments = Attachment.where("(author_id = #{user.id} and is_publish = 1 and container_id in #{courses_ids} and container_type = 'Course') or (container_type = 'Course' and is_publish = 1 and container_id in #{courses_ids})" ).order("created_on desc")
# attchments.each do |v|
# course = Course.where("id=?",v.container_id).first
# v[:coursename] = course.nil? ? "未知" : course.name
# v[:attafile_size] = (number_to_human_size(v[:filesize])).gsub("ytes", "").to_s
# end
attchments
end
# 我的资源-作业 已发布的
def all_homework_commons user
courses = user.courses.not_deleted
courses_ids = courses.empty? ? '(-1)' :"(" + courses.map(&:id).join(",") + ")"
homeworks = HomeworkCommon.where("course_id in #{courses_ids} and publish_time <= ?",Time.now.strftime("%Y-%m-%d")).order("created_at desc")
# homeworks.each do |v|
# course = Course.where("id=?",v.course_id).first
# v[:coursename] = course.nil? ? "未知" : course.name
# end
homeworks
end
# 我的资源-测验 已发布的
def all_exercises user
courses = user.courses.not_deleted
courses_ids = courses.empty? ? '(-1)' :"(" + courses.map(&:id).join(",") + ")"
exercises = Exercise.where("exercise_status <> 1 and course_id in #{courses_ids}").order("created_at desc")
# exercises.each do |v|
# course = Course.where("id=?",v.course_id).first
# v[:coursename] = course.nil? ? "未知" : course.name
# end
exercises
end
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end