Sorry to repost, but I forgot that Google breaks code - hope I got the
length...
NotNaughty hopefully doesn't cause any further confusion.
So what does it? Ahh well, it ensures that your Classes are not
naughty and provides you with almost complete validation API.
This Plugin/Gem is all for validation and replaces Assistance
validations functionality with fully armed ones (that sounds fishy).
After your Model got:
is :not_naughty
... it does everything that assintance did and more. The Builder is
much more flexible now:
# remembers the attributes given, forget about validates_ and _of
validates(:firstname, :lastname) { presence and
length :within=>4..33 }
# remembers conditions
validates(:if => :necessary?) { presence_of :money }
# chains conditions
validates(:unless => [:cond1, proc {|r| r.cond2}]
{ presence_of :email }
Yeah, the validations have conditions now - and states:
validates(:on => :update) { length_of :username, :minimum => 4 }
validates_length_of :password,
:minimum => 6, :on => :create,
:message => '#{"%s".humanize} must be 6 characters long.'
Even more beautiful errors messages you get now with:
# "Password must be 6 characters long."
record.errors.on(:password)
# ["Password must be 6 characters long."]
record.errors.full_messages
Raise or don't raise exceptions if the record isn't valid:
invalid_record.save
... goes boom per default, unless:
is :not_naughty, :without => :exception
invalid_record.save # returns false now
You can even validate before other method calls:
validated_before :update, :without => :exception
You got before_validate and after_validate hooks unless you turn them
of:
is :not_naughty, :without => :hooks
Inheritance?
class Sequel::Model
is :not_naughty
end
class Person < Sequel::Model
validates(:firstname, :lastname) { presence and
length :within=>4..33 }
end
class Employee < Person
# inherits validations from Person
end
class Company < Person
validates_length_of :employees, :minimum => 1
def employees
# must fetch employess to an object that does respond to :length
end
end
Should do what you expect...
Cheers
Florian
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