fixed 附件uuid生成暂不使用

app/models/attachment.rb

@@ -2,38 +2,47 @@
 #
 # Table name: attachments
 #
-#  id             :integer          not null, primary key
-#  container_id   :integer
-#  container_type :string(30)
-#  filename       :string(255)      default(""), not null
-#  disk_filename  :string(255)      default(""), not null
-#  filesize       :integer          default("0"), not null
-#  content_type   :string(255)      default("")
-#  digest         :string(60)       default(""), not null
-#  downloads      :integer          default("0"), not null
-#  author_id      :integer          default("0"), not null
-#  created_on     :datetime
-#  description    :text(65535)
-#  disk_directory :string(255)
-#  attachtype     :integer          default("1")
-#  is_public      :integer          default("1")
-#  copy_from      :integer
-#  quotes         :integer
-#  is_publish     :integer          default("1")
-#  publish_time   :datetime
-#  memo_image     :boolean          default("0")
-#  extra_type     :integer          default("0")
-#  cloud_url      :string(255)
+#  id                        :integer          not null, primary key
+#  container_id              :integer
+#  container_type            :string(30)
+#  filename                  :string(255)      default(""), not null
+#  disk_filename             :string(255)      default(""), not null
+#  filesize                  :integer          default("0"), not null
+#  content_type              :string(255)      default("")
+#  digest                    :string(60)       default(""), not null
+#  downloads                 :integer          default("0"), not null
+#  author_id                 :integer          default("0"), not null
+#  created_on                :datetime
+#  description               :text(65535)
+#  disk_directory            :string(255)
+#  attachtype                :integer          default("1")
+#  is_public                 :integer          default("1")
+#  copy_from                 :integer
+#  quotes                    :integer          default("0")
+#  is_publish                :integer          default("1")
+#  publish_time              :datetime
+#  resource_bank_id          :integer
+#  unified_setting           :boolean          default("1")
+#  cloud_url                 :string(255)      default("")
+#  course_second_category_id :integer          default("0")
+#  delay_publish             :boolean          default("0")
+#  uuid                      :string(255)
 #
 # Indexes
 #
 #  index_attachments_on_author_id                        (author_id)
 #  index_attachments_on_container_id_and_container_type  (container_id,container_type)
+#  index_attachments_on_course_second_category_id        (course_second_category_id)
 #  index_attachments_on_created_on                       (created_on)
+#  index_attachments_on_is_public                        (is_public)
+#  index_attachments_on_quotes                           (quotes)
+#  index_attachments_on_uuid                             (uuid)
 #
 
 
 
+
+
 class Attachment < ApplicationRecord
   include BaseModel
   include Publicable
@@ -60,11 +69,48 @@ class Attachment < ApplicationRecord
   scope :simple_columns,                -> { select(:id, :filename, :filesize, :created_on, :cloud_url, :author_id, :content_type, :container_type, :container_id) }
   scope :search_by_container,           -> (ids) {where(container_id: ids)}
   scope :unified_setting, -> {where("unified_setting = ? ", 1)}
+  scope :where_id_or_uuid, -> (id) { (Float(id) rescue nil).present? ? where(id: id) : id.present? ? where(uuid: id) : [] }
 
-  validates_length_of :description, maximum: 100, message: "不能超过100个字符"
+  validates_length_of :description, maximum: 255, message: "不能超过255个字符"
 
   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)
 
+  def self.build_from_remote_url(user, name, url, container=nil)
+    ext = name.split('.')[-1]
+    tmp_path = "#{Rails.root}/#{name}"
+    uri = URI(url)
+    size = Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == 'https') do |http|
+      response = http.get(uri.path)
+      File.open(tmp_path, 'wb') do |file|
+        file.write(response.body)
+      end
+    end
+    digest = "#{Digest::MD5.file(tmp_path).hexdigest}_#{(Time.now.to_f * 1000).to_i}.#{ext}"
+    month_folder = "#{Time.now.year}/#{Time.now.month.to_s.rjust(2, '0')}"
+    save_path = "#{Rails.root}#{EduSetting.get("attachment_folder")}#{month_folder}"
+    unless Dir.exists?(save_path)
+      FileUtils.mkdir_p(save_path) ##不成功这里会抛异常
+    end
+    path = File.join(save_path, digest)
+    FileUtils.mv(tmp_path, path)
+    attachment = Attachment.new
+    attachment.filename = name
+    attachment.disk_filename = path[save_path.size+1, path.size]
+    attachment.filesize = size
+    attachment.content_type = 'application/octet-stream'
+    attachment.digest = digest.split('.')[0]
+    attachment.author_id = user.id
+    attachment.disk_directory = month_folder
+    attachment.cloud_url = url
+    attachment.uuid = SecureRandom.uuid
+    attachment.container = container
+    attachment.save!
+
+    return attachment
+  rescue
+    return nil
+  end
+
   def diskfile
     File.join(File.join(Rails.root, "files"), disk_directory.to_s, disk_filename.to_s)
   end
@@ -89,6 +135,11 @@ class Attachment < ApplicationRecord
     downloads
   end
 
+  def generate_uuid
+    self.uuid = uuid || SecureRandom.uuid
+    save!
+  end
+
   def quotes_count
     quotes.nil? ? 0 : quotes
   end
@@ -179,4 +230,14 @@ class Attachment < ApplicationRecord
     is_pdf
   end
 
-end
+  def to_builder
+    Jbuilder.new do |attachment|
+      attachment.id self.id
+      attachment.title self.title
+      attachment.filesize self.filesize
+      attachment.is_pdf self.is_pdf?
+      attachment.created_on self.created_on.strftime("%Y-%m-%d %H:%M")
+      attachment.content_type self.content_type
+    end
+  end
+end

app/views/attachments/_attachment_simple.json.jbuilder

@@ -1,5 +1,5 @@
 json.id attachment.id
-json.uuid attachment.uuid
+json.uuid attachment.uuid.present? ? attachment.uuid : attachment.id
 json.title attachment.title
 json.filesize  number_to_human_size attachment.filesize
 json.description attachment.description

db/migrate/20231121084405_add_uuid_to_attachments.rb

@@ -0,0 +1,5 @@
+class AddUuidToAttachments < ActiveRecord::Migration[5.2]
+  def change
+    add_column :attachments, :uuid, :string, index: true
+  end
+end

db/migrate/202401111014309_add_index_uuid_to_attachments.rb

@@ -0,0 +1,5 @@
+class AddIndexUuidToAttachments < ActiveRecord::Migration[5.2]
+  def change
+    add_index :attachments, :uuid
+  end
+end