discourse/app/models/upload.rb

70 lines
1.8 KiB
Ruby

require 'digest/sha1'
require 'image_sizer'
require 's3'
require 'local_store'
class Upload < ActiveRecord::Base
belongs_to :user
belongs_to :topic
has_many :post_uploads
has_many :posts, through: :post_uploads
validates_presence_of :filesize
validates_presence_of :original_filename
def self.create_for(user_id, file, topic_id)
# retrieve image info
image_info = FastImage.new(file.tempfile, raise_on_failure: true)
# compute image aspect ratio
width, height = ImageSizer.resize(*image_info.size)
upload = Upload.create!({
user_id: user_id,
topic_id: topic_id,
original_filename: file.original_filename,
filesize: File.size(file.tempfile),
width: width,
height: height,
url: ""
})
# make sure we're at the beginning of the file (FastImage is moving the pointer)
file.rewind
# store the file and update its url
upload.url = Upload.store_file(file, image_info, upload.id)
upload.save
upload
end
def self.store_file(file, image_info, upload_id)
return S3.store_file(file, image_info, upload_id) if SiteSetting.enable_s3_uploads?
return LocalStore.store_file(file, image_info, upload_id)
end
end
# == Schema Information
#
# Table name: uploads
#
# id :integer not null, primary key
# user_id :integer not null
# topic_id :integer not null
# original_filename :string(255) not null
# filesize :integer not null
# width :integer
# height :integer
# url :string(255) not null
# created_at :datetime not null
# updated_at :datetime not null
#
# Indexes
#
# index_uploads_on_forum_thread_id (topic_id)
# index_uploads_on_user_id (user_id)
#