39 lines
966 B
Ruby
39 lines
966 B
Ruby
module JamRuby
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class MusicNotation < ActiveRecord::Base
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include JamRuby::S3ManagerMixin
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self.primary_key = 'id'
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attr_accessible :file_url, :size
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belongs_to :user, :class_name => "JamRuby::User", foreign_key: :user_id
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belongs_to :music_session, :class_name => "JamRuby::MusicSession", foreign_key: :music_session_id
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mount_uploader :file_url, MusicNotationUploader
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before_destroy :delete_s3_files
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validates :file_url, :presence => true
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validates :size, :presence => true
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before_validation do
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if file_url.present? && file_url_changed?
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self.size = file_url.file.size
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end
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end
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def s3_url
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s3_manager.s3_url(self[:file_url])
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end
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def sign_url(expiration_time = 120)
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s3_manager.sign_url(self[:file_url], {:expires => expiration_time, :secure => false})
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end
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private
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def delete_s3_files
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s3_manager.delete(self[:file_url]) if self[:file_url]
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end
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end
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end |