module PaperTrailAssociationTracking::Reifiers::HasAndBelongsToMany
Reify a single HABTM association of `model`. @api private
Public Class Methods
reify(pt_enabled, assoc, model, options, transaction_id)
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@api private
# File lib/paper_trail_association_tracking/reifiers/has_and_belongs_to_many.rb, line 10 def reify(pt_enabled, assoc, model, options, transaction_id) version_ids = ::PaperTrail::VersionAssociation. where("foreign_key_name = ?", assoc.name). where("version_id = ?", transaction_id). pluck(:foreign_key_id) model.send(assoc.name).proxy_association.target = version_ids.map do |id| if pt_enabled version = load_version(assoc, id, transaction_id, options[:version_at]) if version next version.reify( options.merge( has_many: false, has_one: false, belongs_to: false, has_and_belongs_to_many: false ) ) end end assoc.klass.where(assoc.klass.primary_key => id).first end end
Private Class Methods
load_version(assoc, id, transaction_id, version_at)
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Given a HABTM association `assoc` and an `id`, return a version record from the point in time identified by `transaction_id` or `version_at`. @api private
# File lib/paper_trail_association_tracking/reifiers/has_and_belongs_to_many.rb, line 40 def load_version(assoc, id, transaction_id, version_at) assoc.klass.paper_trail.version_class. where("item_type = ?", assoc.klass.base_class.name). where("item_id = ?", id). where("created_at >= ? OR transaction_id = ?", version_at, transaction_id). order("id"). limit(1). first end