scinote-web/app/models/repository_cell.rb

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class RepositoryCell < ActiveRecord::Base
belongs_to :repository_row
belongs_to :repository_column
belongs_to :value, polymorphic: true, dependent: :destroy
2017-06-06 23:35:29 +08:00
validates :repository_column, presence: true
validate :repository_column_data_type
validates :repository_row, uniqueness: { scope: :repository_column }
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