module Pakyow::Validations::Data::Unique
Validates that the value is unique within its data source.
Public Class Methods
message(**)
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# File lib/pakyow/validations/data/unique.rb, line 11 def self.message(**) "must be unique" end
valid?(value, source:, **options)
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# File lib/pakyow/validations/data/unique.rb, line 15 def self.valid?(value, source:, **options) query = options[:context].app.data.public_send(source).public_send(:"by_#{options[:key]}", value) if updating = options[:updating] if updating.is_a?(Pakyow::Data::Result) query.count == 0 || query.any? { |result| result[updating.__proxy.source.class.primary_key_field] == updating[updating.__proxy.source.class.primary_key_field] } else raise ArgumentError, "Expected `#{updating.class}' to be a `Pakyow::Data::Result'" end else query.count == 0 end end