Class: RailsAuditLog::AuditLogEntry

Inherits:
ApplicationRecord show all
Defined in:
app/models/rails_audit_log/audit_log_entry.rb

Constant Summary collapse

EVENTS = 
%w[create update destroy].freeze

Instance Method Summary collapse

Instance Method Details

#changed_attributes ⇒ Object 



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# File 'app/models/rails_audit_log/audit_log_entry.rb', line 81

def changed_attributes
  object_changes&.keys || []
end

#diff ⇒ Object 



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# File 'app/models/rails_audit_log/audit_log_entry.rb', line 85

def diff
  return {} unless object_changes

  object_changes.transform_values { |from_to| { from: from_to[0], to: from_to[1] } }
end

#next ⇒ Object 



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# File 'app/models/rails_audit_log/audit_log_entry.rb', line 77

def next
  self.class.where(item_type: item_type, item_id: item_id).where("id > ?", id).order(id: :asc).first
end

#previous ⇒ Object 



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# File 'app/models/rails_audit_log/audit_log_entry.rb', line 73

def previous
  self.class.where(item_type: item_type, item_id: item_id).where("id < ?", id).order(id: :desc).first
end

#reify ⇒ Object

Instance methods



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# File 'app/models/rails_audit_log/audit_log_entry.rb', line 42

def reify
  return nil if event == "create"

  klass = item_type.constantize

  if object.present?
    instance = klass.new
    instance.assign_attributes(object.except("id"))
    instance.id = object.fetch("id") { item_id }
    return instance
  end

  # Fallback: diff-only mode or entries recorded before snapshot support.
  # Filter to column names so association-change entries (e.g. tags, comments)
  # don't get assigned to the record as if they were scalar attributes.
  column_names = klass.column_names.map(&:to_s)
  from_attrs = (object_changes || {})
    .select { |k, _| column_names.include?(k) }
    .transform_values { |from_to| from_to[0] }

  if event == "update"
    record = klass.find_by(id: item_id)
    from_attrs = record.attributes.merge(from_attrs) if record
  end

  instance = klass.new
  instance.assign_attributes(from_attrs.except("id"))
  instance.id = from_attrs.fetch("id") { item_id }
  instance
end