class RepositoryCell < ActiveRecord::Base attr_accessor :importing belongs_to :repository_row belongs_to :repository_column belongs_to :value, polymorphic: true, inverse_of: :repository_cell, dependent: :destroy belongs_to :repository_text_value, (lambda do includes(:repository_cell) .where(repository_cells: { value_type: 'RepositoryTextValue' }) end), optional: true, foreign_key: :value_id belongs_to :repository_date_value, (lambda do includes(:repository_cell) .where(repository_cells: { value_type: 'RepositoryDateValue' }) end), optional: true, foreign_key: :value_id belongs_to :repository_list_value, (lambda do includes(:repository_cell) .where(repository_cells: { value_type: 'RepositoryListValue' }) end), optional: true, foreign_key: :value_id belongs_to :repository_asset_value, (lambda do includes(:repository_cell) .where(repository_cells: { value_type: 'RepositoryAssetValue' }) end), optional: true, foreign_key: :value_id validates_inclusion_of :repository_column, in: (lambda do |cell| cell.repository_row.repository.repository_columns end) validates :repository_column, presence: true validate :repository_column_data_type validates :repository_row, uniqueness: { scope: :repository_column }, unless: :importing def self.create_with_value!(row, column, data, user) cell = new(repository_row: row, repository_column: column) cell.transaction do value_klass = column.data_type.constantize value = value_klass.new_with_payload(data, repository_cell: cell, created_by: user, last_modified_by: user) cell.value = value value.save! end end private def repository_column_data_type if value_type != repository_column.data_type errors.add(:value_type, 'must match column data type') end end end