64 lines
1.7 KiB
Ruby
64 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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class UploadReference < ActiveRecord::Base
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belongs_to :upload
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belongs_to :target, polymorphic: true
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def self.ensure_exist!(upload_ids: [], target: nil, target_type: nil, target_id: nil)
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raise "target OR target_type and target_id are required" if !target && !(target_type && target_id)
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if target.present?
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target_type = target.class
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target_id = target.id
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end
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upload_ids = upload_ids.uniq.reject(&:blank?)
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target_type = target_type.to_s
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if upload_ids.empty?
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UploadReference
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.where(target_type: target_type, target_id: target_id)
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.delete_all
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return
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end
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rows = upload_ids.map do |upload_id|
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{
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upload_id: upload_id,
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target_type: target_type,
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target_id: target_id,
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created_at: Time.zone.now,
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updated_at: Time.zone.now,
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}
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end
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UploadReference.transaction do |transaction|
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UploadReference
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.where(target_type: target_type, target_id: target_id)
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.where.not(upload_id: upload_ids)
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.delete_all
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UploadReference.insert_all(rows)
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end
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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: upload_references
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#
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# id :bigint not null, primary key
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# upload_id :bigint not null
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# target_type :string not null
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# target_id :bigint 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_upload_references_on_target (target_type,target_id)
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# index_upload_references_on_upload_and_target (upload_id,target_type,target_id) UNIQUE
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# index_upload_references_on_upload_id (upload_id)
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#
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