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Adding manual view support to uniqueness validation

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This commit is contained in:
Sam Lown 2010-06-21 23:12:15 +02:00
parent 8337bab714
commit fcbc0b08e5
5 changed files with 55 additions and 11 deletions
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7
lib/couchrest/model/validations/uniqueness.rb
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@ -15,14 +15,17 @@ module CouchRest
def validate_each(document, attribute, value)
unless @klass.has_view?("by_#{attribute}")
view_name = options[:view].nil? ? "by_#{attribute}" : options[:view]
unless @klass.has_view?(view_name)
raise "View #{document.class.name}.#{options[:view]} does not exist!" unless options[:view].nil?
@klass.view_by attribute
end
# Determine the base of the search
base = options[:proxy].nil? ? @klass : document.instance_eval(options[:proxy])
docs = base.view("by_#{attribute}", :key => value, :limit => 2, :include_docs => false)['rows']
docs = base.view(view_name, :key => value, :limit => 2, :include_docs => false)['rows']
return if docs.empty?
unless document.new?