forked from Gitlink/forgeplus
187 lines
7.8 KiB
Ruby
187 lines
7.8 KiB
Ruby
# == Schema Information
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#
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# Table name: attachments
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#
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# id :integer not null, primary key
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# container_id :integer
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# container_type :string(30)
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# filename :string(255) default(""), not null
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# disk_filename :string(255) default(""), not null
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# filesize :integer default("0"), not null
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# content_type :string(255) default("")
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# digest :string(60) default(""), not null
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# downloads :integer default("0"), not null
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# author_id :integer default("0"), not null
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# created_on :datetime
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# description :text(65535)
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# disk_directory :string(255)
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# attachtype :integer default("1")
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# is_public :integer default("1")
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# copy_from :integer
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# quotes :integer default("0")
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# is_publish :integer default("1")
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# publish_time :datetime
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# resource_bank_id :integer
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# unified_setting :boolean default("1")
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# cloud_url :string(255) default("")
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# course_second_category_id :integer default("0")
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# delay_publish :boolean default("0")
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#
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# Indexes
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#
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# index_attachments_on_author_id (author_id)
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# index_attachments_on_container_id_and_container_type (container_id,container_type)
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# index_attachments_on_course_second_category_id (course_second_category_id)
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# index_attachments_on_created_on (created_on)
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# index_attachments_on_is_public (is_public)
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# index_attachments_on_quotes (quotes)
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#
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class Attachment < ApplicationRecord
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include BaseModel
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include Publicable
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include Publishable
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include Lockable
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belongs_to :container, polymorphic: true, optional: true
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belongs_to :author, class_name: "User", foreign_key: :author_id
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# belongs_to :course, foreign_key: :container_id, optional: true
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# has_many :attachment_group_settings, :dependent => :destroy
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# has_many :attachment_histories, -> { order(version: :desc) }, :dependent => :destroy
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# 二级目录
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# belongs_to :course_second_category, optional: true
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scope :by_filename_or_user_name, -> (keywords) { joins(:author).where("filename like :search or LOWER(CONCAT(users.lastname, users.firstname)) LIKE :search OR users.nickname LIKE :search",
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:search => "%#{keywords.split(" ").join('|')}%") unless keywords.blank? }
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scope :by_keywords, -> (keywords) { where("filename LIKE ?", "%#{keywords.split(" ").join('|')}%") unless keywords.blank? }
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scope :ordered, -> (opts = {}) { order("#{opts[:sort_type]} #{opts[:sort] == 1 ? 'asc': 'desc'}") }
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scope :by_course_second_category_id, -> (course_second_category_id = 0) { where(course_second_category_id: course_second_category_id) }
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scope :contains_only_course, -> { where(container_type: 'Course') }
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scope :contains_only_project, -> { where(container_type: 'Project') }
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scope :contains_course_and_project, -> { contains_only_course.or(contains_only_project) }
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scope :mine, -> (author_id) { where(author_id: author_id) }
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scope :simple_columns, -> { select(:id, :filename, :filesize, :created_on, :cloud_url, :author_id, :content_type, :container_type, :container_id) }
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scope :search_by_container, -> (ids) {where(container_id: ids)}
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scope :unified_setting, -> {where("unified_setting = ? ", 1)}
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validates_length_of :description, maximum: 100, message: "不能超过100个字符"
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DCODES = %W(2 3 4 5 6 7 8 9 a b c f e f g h i j k l m n o p q r s t u v w x y z)
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def diskfile
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File.join(File.join(Rails.root, "files"), disk_directory.to_s, disk_filename.to_s)
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end
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def relative_path_filename
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File.join(disk_directory.to_s, disk_filename.to_s)
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end
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def title
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filename
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# title = filename
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# if container && container.is_a?(StudentWork) && author_id != User.current.id
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# course = container&.homework_common&.course
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# unless User.current.teacher_of_course?(course)
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# title = "#{Time.now.strftime('%Y%m%d%H%M%S')}_#{DCODES.sample(8).join}" + File.extname(filename)
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# end
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# end
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# title
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end
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def downloads_count
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downloads
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end
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def quotes_count
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quotes.nil? ? 0 : quotes
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end
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def self.associate_container(ids, container_id, container_type, attachtype=1)
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return false if ids.blank? || !ids.is_a?(Array)
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ids.each do |id|
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attachment = Attachment.find id
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attachment.update_attributes(container_id: container_id, container_type: container_type, attachtype: attachtype)
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end
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end
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# Returns an unsaved copy of the attachment
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def copy(attributes=nil)
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copy = self.class.new
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copy.attributes = self.attributes.dup.except("id", "downloads", "quotes")
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copy.attributes = attributes if attributes
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copy
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end
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def set_publish_time(publish_time)
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self.unified_setting = 1
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if publish_time.blank?
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self.publish_time = Time.now
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self.is_publish = 1
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else
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self.is_publish = publish_time.to_s > (format_time Time.now).to_s ? 0 : 1
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self.publish_time = publish_time.to_s > (format_time Time.now).to_s ? publish_time : Time.now
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end
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end
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def set_course_group_publish_time(course, course_group_publish_times)
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self.unified_setting = 0
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min_publish_time = ""
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course_group_publish_times.each do |obj|
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if obj && obj[:course_group_id]
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publish_time = obj[:publish_time]
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if !publish_time.blank? && publish_time < min_publish_time
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min_publish_time = publish_time
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elsif publish_time.blank?
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publish_time = Time.now
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end
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attachment_group_setting = self.attachment_group_settings.where(course_group_id: obj[:course_group_id], course_id: course.id).first
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if attachment_group_setting.present?
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attachment_group_setting.update_columns(publish_time: publish_time)
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else
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self.attachment_group_settings.create(
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:course_group_id => obj[:course_group_id],
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:course_id => course.id,
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:publish_time => publish_time
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)
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end
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end
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end
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self.is_publish = min_publish_time > (format_time Time.now).to_s ? 0 : 1
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self.publish_time = min_publish_time > (format_time Time.now).to_s ? min_publish_time : self.created_on
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end
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def become_history
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history = self.attachment_histories.first
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new_attachment_history = AttachmentHistory.new(self.attributes.except("id", "resource_bank_id", "unified_setting", "course_second_category_id", "delay_publish").merge(
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attachment_id: self.id,
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version: history.nil? ? 1 : history.version + 1,
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))
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new_attachment_history
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end
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def copy_attributes_from_new_attachment(new_attachment)
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self.attributes = new_attachment.attributes.dup.except("id","container_id","container_type","is_public","downloads", "quotes",'is_publish','publish_time', "delay_publish")
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end
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def set_public(is_public)
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if is_public == true
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is_public = 1
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elsif is_public == false
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is_public = 0
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end
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end
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#判断是否为pdf文件
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def is_pdf?
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is_pdf = false
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file_content_type = content_type
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file_ext_type = File.extname(filename).strip.downcase[1..-1]
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if (file_content_type.present? && file_content_type.downcase.include?("pdf")) || (file_ext_type.present? && file_ext_type.include?("pdf"))
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is_pdf = true
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end
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is_pdf
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end
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end
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