glitchier-soc/app/models/site_upload.rb
slice 85973f4f37 Improvements to image upload validation and creation (#10431)
* Check if image value is nil? before creating an image

Check if uploaded images aren't nil before creating SiteUpload models
for them.

* Validate presence of file in SiteUpload

* Fix file presence validation

* Fabricate SiteUpload#file

* Add link to Creative Commons license
2019-04-01 07:30:46 +02:00

45 lines
1 KiB
Ruby

# frozen_string_literal: true
# == Schema Information
#
# Table name: site_uploads
#
# id :bigint(8) not null, primary key
# var :string default(""), not null
# file_file_name :string
# file_content_type :string
# file_file_size :integer
# file_updated_at :datetime
# meta :json
# created_at :datetime not null
# updated_at :datetime not null
#
class SiteUpload < ApplicationRecord
has_attached_file :file
validates_attachment_content_type :file, content_type: /\Aimage\/.*\z/
validates :file, presence: true
validates :var, presence: true, uniqueness: true
before_save :set_meta
after_commit :clear_cache
def cache_key
"site_uploads/#{var}"
end
private
def set_meta
tempfile = file.queued_for_write[:original]
return if tempfile.nil?
width, height = FastImage.size(tempfile.path)
self.meta = { width: width, height: height }
end
def clear_cache
Rails.cache.delete(cache_key)
end
end