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educoder/app/controllers/files_controller.rb

311 lines
12 KiB

6 years ago
class FilesController < ApplicationController
include MessagesHelper
before_action :require_login, except: %i[index]
before_action :find_course, except: %i[public_with_course_and_project mine_with_course_and_project]
before_action :find_ids, only: %i[bulk_delete bulk_send bulk_move bulk_public bulk_publish]
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before_action :file_validate_sort_type, only: :index
before_action :validate_send_message_to_course_params, only: :bulk_send
before_action :set_pagination, only: %i[index public_with_course_and_project mine_with_course_and_project]
before_action :validate_upload_params, only: %i[upload import]
before_action :find_file, only: %i[show setting update]
SORT_TYPE = %w[created_on downloads quotes]
def index
sort = params[:sort] || 0 # 0: 降序1: 升序
sort_type = params[:sort_type] || 'created_on' # created_on时间排序 downloads下载次数排序; quotes: 引用次数排序
course_second_category_id = params[:course_second_category_id] || 0 # 0: 为主目录, 其他为次目录id
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@user = current_user
@attachments = @course.attachments.by_course_second_category_id(course_second_category_id)
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.includes(attachment_group_settings: :course_group, author: [:user_extension, :course_members])
.ordered(sort: sort.to_i, sort_type: sort_type.strip)
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get_category(@course, course_second_category_id)
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@total_count = @attachments.size
@public_count = @attachments.publiced.size
@private_count = @total_count - @public_count
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@attachments = @attachments.by_keywords(params[:search])
@attachments =
case @user.course_identity(@course)
when 5
@attachments.published
when 6, 7
@attachments.publiced.published
else
@attachments
end
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@attachments = @attachments.page(@page).per(@page_size)
end
def bulk_publish
return normal_status(403, "您没有权限进行操作") if current_user.course_identity(@course) >= 5
@course.attachments.by_ids(@attachment_ids).unpublish.update_all(is_publish: 1, publish_time: Time.now)
render_ok
end
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def bulk_delete
ActiveRecord::Base.transaction do
begin
@course.attachments.by_ids(@attachment_ids).destroy_all
rescue Exception => e
tip_exception(e.message)
raise ActiveRecord::Rollback
end
end
end
def bulk_send
return normal_status(403, "您没有权限进行该操作") unless current_user.teacher_of_course?(@course)
course_ids = params[:to_course_ids]
begin
@attachment_ids.each do |id|
@attachment = @course.attachments.find_by_id id
course_ids.each do |course_id|
course = Course.find_by_id course_id
unless @attachment.nil? || course.nil?
course.attachments << course.attachments.build(@attachment.attributes.except("id").merge(
quotes: 0,
downloads: 0,
author_id: current_user.id,
created_on: Time.now,
course_second_category_id: 0 # TODO 暂时只支持发送到其他课堂的主目录
))
end
end
end
rescue Exception => e
uid_logger_error(e.message)
tip_exception(e.message)
raise ActiveRecord::Rollback
end
end
def bulk_move
return normal_status(403, "您没有权限进行该操作") unless current_user.teacher_of_course?(@course)
to_category_id = params[:to_category_id] || 0 # 默认移动到主目录
unless to_category_id == 0
course_second_category = @course.course_second_categories.find_by_id to_category_id
return normal_status(2, "参数to_category_id有误该目录不存在") if course_second_category.nil?
end
begin
@course.attachments.by_ids(@attachment_ids).update_all(course_second_category_id: to_category_id)
rescue Exception => e
uid_logger_error(e.message)
tip_exception(e.message)
raise ActiveRecord::Rollback
end
end
def bulk_public
@user = current_user
return normal_status(403, "您没有权限进行该操作") unless @user.teacher_of_course?(@course)
@course.attachments.by_ids(@attachment_ids).update_all(is_public: 1)
end
def public_with_course_and_project
@attachments = Attachment.publiced.simple_columns
.contains_course_and_project
.includes(:author => :user_extension)
.by_filename_or_user_name(params[:search])
.ordered(sort: 0, sort_type: 'created_on')
@total_count = @attachments.size
@attachments = @attachments.page(@page).per(@page_size)
end
def mine_with_course_and_project
@current_user = current_user
@attachments = Attachment.mine(current_user)
.simple_columns
.contains_course_and_project
.by_keywords(params[:search])
.ordered(sort: 0, sort_type: 'created_on')
@total_count = @attachments.size
@attachments = @attachments.page(@page).per(@page_size)
end
# 上传资源
def upload
attachment_ids = params[:attachment_ids]
course_second_category_id = params[:course_second_category_id] || 0 # 0: 为主目录, 其他为次目录id
is_unified_setting = params.has_key?(:is_unified_setting) ? params[:is_unified_setting] : true
publish_time = params[:publish_time]
course_group_publish_times = params[:course_group_publish_times] || []
begin
attachment_ids.each do |attchment_id|
attachment = Attachment.find_by_id attchment_id
unless attachment.nil?
attachment.container = @course
attachment.course_second_category_id = course_second_category_id
attachment.description = params[:description]
attachment.is_public = params[:is_public] ? 1 : 0
attachment.set_publish_time(publish_time) if is_unified_setting
attachment.set_course_group_publish_time(@course, course_group_publish_times) if @course.course_groups.size > 0 && !is_unified_setting && publish_time.blank?
attachment.save!
end
end
rescue Exception => e
uid_logger_error(e.message)
tip_exception(e.message)
raise ActiveRecord::Rollback
end
end
# 选用资源 & 导入资源
def import
return normal_status(403, "您没有权限进行该操作") unless current_user.teacher_of_course?(@course) || current_user.student_of_course?(@course)
attachment_ids = params[:attachment_ids]
course_second_category_id = params[:course_second_category_id] || 0 # 0: 为主目录, 其他为次目录id
begin
attachment_ids.each do |attachment_id|
ori = Attachment.find_by_id(attachment_id)
@course.attachments.each do |att|
@exist = false
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
break
end
end
next if @exist
attach_copied_obj = ori.copy
attach_copied_obj.container = @course
attach_copied_obj.created_on = Time.now
attach_copied_obj.author = current_user
attach_copied_obj.is_public = 0
attach_copied_obj.is_publish = 1
attach_copied_obj.publish_time = Time.now
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attach_copied_obj.course_second_category_id = course_second_category_id
attach_copied_obj.copy_from = ori.copy_from.nil? ? ori.id : ori.copy_from
if attach_copied_obj.attachtype == nil
attach_copied_obj.attachtype = 4
end
attach_copied_obj.save
ori.update_columns(quotes: ori.quotes.to_i + 1)
end
rescue Exception => e
uid_logger_error(e.message)
tip_exception(e.message)
raise ActiveRecord::Rollback
end
end
# 资源设置
def update
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return normal_status(403, "您没有权限进行该操作") if current_user.course_identity(@course) >= 5 && @file.author != current_user
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is_unified_setting = params[:is_unified_setting]
publish_time = params[:publish_time]
is_public = params[:is_public]
course_group_publish_times = params[:course_group_publish_times] || []
@old_attachment = @file
@new_attachment = Attachment.find_by_id params[:new_attachment_id]
begin
unless @new_attachment.nil?
@new_attachment_history = @old_attachment.become_history
@new_attachment_history.save!
@old_attachment.copy_attributes_from_new_attachment(@new_attachment)
@old_attachment.is_public = is_public == true ? 1 : 0 if is_public
@old_attachment.save!
@new_attachment.delete
end
if params[:description] && !params[:description].strip.blank? && params[:description] != @old_attachment.description
@old_attachment.description = params[:description]
end
@old_attachment.set_public(is_public)
if is_unified_setting
@old_attachment.set_publish_time(publish_time)
@old_attachment.attachment_group_settings.destroy_all
end
if publish_time.blank? && @course.course_groups.size > 0 && !is_unified_setting
@old_attachment.set_course_group_publish_time(@course, course_group_publish_times)
end
@old_attachment.save!
rescue Exception => e
uid_logger_error(e.message)
tip_exception(e.message)
raise ActiveRecord::Rollback
end
end
def show
return normal_status(403, "您没有权限进行该操作") if !current_user.teacher_of_course?(@course) && current_user != @file.author
@attachment_histories = @file.attachment_histories
end
def histories
@user = current_user
@file = @course.attachments.find_by_id params[:id]
return normal_status(-2, "该课程下没有id为 #{params[:id]}的资源") if @file.nil?
return normal_status(403, "您没有权限进行该操作") if @user != @file.author && !@user.teacher_of_course?(@course) && !@file.public?
@attachment_histories = @file.attachment_histories
end
def get_category(course, category_id)
if category_id == 0
category = course.attachment_course_modules.first
@category_id = category.try(:id)
@category_name = category.try(:module_name)
else
category = CourseSecondCategory.find category_id
@category_id = category.try(:id)
@category_name = category.try(:name)
end
end
private
def find_file
@file = Attachment.find params[:id]
end
def find_attachment_ids(attachment_ids = params[:attachment_ids])
return normal_status(-2, "参数attachment_ids不能为空") if attachment_ids.blank?
return normal_status(-2, "参数attachment_ids格式错误") if !attachment_ids.is_a? Array
end
def find_course_second_category_id
course_second_category_id = params[:course_second_category_id] || 0 # 0: 为主目录, 其他为次目录id
if course_second_category_id != 0
course_second_category = CourseSecondCategory.find_by(id: course_second_category_id, category_type: "attachment")
return normal_status(-2, "未来找到course_second_category为 #{course_second_category_id} 的目录") if course_second_category.nil?
end
end
def find_ids
@attachment_ids = params[:ids] || []
find_attachment_ids(@attachment_ids)
end
def file_validate_sort_type
normal_status(-2, "参数sort_tyope暂时只支持 'created_on', 'quotes', 'downloads'") if params.has_key?(:sort_type) && !SORT_TYPE.include?(params[:sort_type].strip)
end
def validate_upload_params
find_attachment_ids
find_course_second_category_id
end
end