85 lines
2.4 KiB
Ruby
85 lines
2.4 KiB
Ruby
require File.dirname(__FILE__) + '/shared_setup'
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logger = Logger.new(STDOUT)
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# Database setup ---------------
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logger.info "\nCreate tables"
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[ "DROP TABLE people",
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"CREATE TABLE people (id int(11) auto_increment, name varchar(100), pass varchar(100), email varchar(100), PRIMARY KEY (id))"
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].each { |statement|
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begin; ActiveRecord::Base.connection.execute(statement); rescue ActiveRecord::StatementInvalid; end # Tables doesn't necessarily already exist
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}
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# Class setup ---------------
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class Person < ActiveRecord::Base
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# Using
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def self.authenticate(name, pass)
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# find_first "name = '#{name}' AND pass = '#{pass}'" would be open to sql-injection (in a web-app scenario)
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find_first [ "name = '%s' AND pass = '%s'", name, pass ]
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end
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def self.name_exists?(name, id = nil)
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if id.nil?
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condition = [ "name = '%s'", name ]
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else
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# Check if anyone else than the person identified by person_id has that user_name
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condition = [ "name = '%s' AND id <> %d", name, id ]
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end
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!find_first(condition).nil?
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end
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def email_address_with_name
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"\"#{name}\" <#{email}>"
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end
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protected
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def validate
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errors.add_on_empty(%w(name pass email))
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errors.add("email", "must be valid") unless email_address_valid?
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end
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def validate_on_create
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if attribute_present?("name") && Person.name_exists?(name)
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errors.add("name", "is already taken by another person")
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end
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end
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def validate_on_update
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if attribute_present?("name") && Person.name_exists?(name, id)
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errors.add("name", "is already taken by another person")
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end
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end
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private
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def email_address_valid?() email =~ /\w[-.\w]*\@[-\w]+[-.\w]*\.\w+/ end
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end
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# Usage ---------------
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logger.info "\nCreate fixtures"
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david = Person.new("name" => "David Heinemeier Hansson", "pass" => "", "email" => "")
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unless david.save
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puts "There was #{david.errors.count} error(s)"
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david.errors.each_full { |error| puts error }
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end
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david.pass = "something"
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david.email = "invalid_address"
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unless david.save
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puts "There was #{david.errors.count} error(s)"
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puts "It was email with: " + david.errors.on("email")
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end
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david.email = "david@loudthinking.com"
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if david.save then puts "David finally made it!" end
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another_david = Person.new("name" => "David Heinemeier Hansson", "pass" => "xc", "email" => "david@loudthinking")
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unless another_david.save
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puts "Error on name: " + another_david.errors.on("name")
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end |