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74 lines
2.1 KiB
Ruby
74 lines
2.1 KiB
Ruby
require 'digest/sha1'
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require 'image_sizer'
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require 's3'
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require 'local_store'
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class Upload < ActiveRecord::Base
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belongs_to :user
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has_many :post_uploads
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has_many :posts, through: :post_uploads
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validates_presence_of :filesize
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validates_presence_of :original_filename
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def self.create_for(user_id, file)
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# compute the sha
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sha = Digest::SHA1.file(file.tempfile).hexdigest
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# check if the file has already been uploaded
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upload = Upload.where(sha: sha).first
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# otherwise, create it
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if upload.blank?
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# retrieve image info
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image_info = FastImage.new(file.tempfile, raise_on_failure: true)
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# compute image aspect ratio
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width, height = ImageSizer.resize(*image_info.size)
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# create a db record (so we can use the id)
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upload = Upload.create!({
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user_id: user_id,
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original_filename: file.original_filename,
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filesize: File.size(file.tempfile),
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sha: sha,
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width: width,
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height: height,
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url: ""
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})
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# make sure we're at the beginning of the file (FastImage is moving the pointer)
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file.rewind
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# store the file and update its url
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upload.url = Upload.store_file(file, sha, image_info, upload.id)
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# save the url
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upload.save
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end
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# return the uploaded file
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upload
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end
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def self.store_file(file, sha, image_info, upload_id)
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return S3.store_file(file, sha, image_info, upload_id) if SiteSetting.enable_s3_uploads?
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return LocalStore.store_file(file, sha, image_info, upload_id)
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end
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end
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# == Schema Information
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#
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# Table name: uploads
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#
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# id :integer not null, primary key
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# user_id :integer not null
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# original_filename :string(255) not null
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# filesize :integer not null
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# width :integer
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# height :integer
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# url :string(255) not null
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# created_at :datetime not null
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# updated_at :datetime not null
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#
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# Indexes
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#
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# index_uploads_on_forum_thread_id (topic_id)
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# index_uploads_on_user_id (user_id)
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#
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