85 lines
No EOL
2.4 KiB
Ruby
85 lines
No EOL
2.4 KiB
Ruby
require File.dirname(__FILE__) + '/shared_setup'
|
|
|
|
logger = Logger.new(STDOUT)
|
|
|
|
# Database setup ---------------
|
|
|
|
logger.info "\nCreate tables"
|
|
|
|
[ "DROP TABLE people",
|
|
"CREATE TABLE people (id int(11) auto_increment, name varchar(100), pass varchar(100), email varchar(100), PRIMARY KEY (id))"
|
|
].each { |statement|
|
|
begin; ActiveRecord::Base.connection.execute(statement); rescue ActiveRecord::StatementInvalid; end # Tables doesn't necessarily already exist
|
|
}
|
|
|
|
|
|
# Class setup ---------------
|
|
|
|
class Person < ActiveRecord::Base
|
|
# Using
|
|
def self.authenticate(name, pass)
|
|
# find_first "name = '#{name}' AND pass = '#{pass}'" would be open to sql-injection (in a web-app scenario)
|
|
find_first [ "name = '%s' AND pass = '%s'", name, pass ]
|
|
end
|
|
|
|
def self.name_exists?(name, id = nil)
|
|
if id.nil?
|
|
condition = [ "name = '%s'", name ]
|
|
else
|
|
# Check if anyone else than the person identified by person_id has that user_name
|
|
condition = [ "name = '%s' AND id <> %d", name, id ]
|
|
end
|
|
|
|
!find_first(condition).nil?
|
|
end
|
|
|
|
def email_address_with_name
|
|
"\"#{name}\" <#{email}>"
|
|
end
|
|
|
|
protected
|
|
def validate
|
|
errors.add_on_empty(%w(name pass email))
|
|
errors.add("email", "must be valid") unless email_address_valid?
|
|
end
|
|
|
|
def validate_on_create
|
|
if attribute_present?("name") && Person.name_exists?(name)
|
|
errors.add("name", "is already taken by another person")
|
|
end
|
|
end
|
|
|
|
def validate_on_update
|
|
if attribute_present?("name") && Person.name_exists?(name, id)
|
|
errors.add("name", "is already taken by another person")
|
|
end
|
|
end
|
|
|
|
private
|
|
def email_address_valid?() email =~ /\w[-.\w]*\@[-\w]+[-.\w]*\.\w+/ end
|
|
end
|
|
|
|
# Usage ---------------
|
|
|
|
logger.info "\nCreate fixtures"
|
|
david = Person.new("name" => "David Heinemeier Hansson", "pass" => "", "email" => "")
|
|
unless david.save
|
|
puts "There was #{david.errors.count} error(s)"
|
|
david.errors.each_full { |error| puts error }
|
|
end
|
|
|
|
david.pass = "something"
|
|
david.email = "invalid_address"
|
|
unless david.save
|
|
puts "There was #{david.errors.count} error(s)"
|
|
puts "It was email with: " + david.errors.on("email")
|
|
end
|
|
|
|
david.email = "david@loudthinking.com"
|
|
if david.save then puts "David finally made it!" end
|
|
|
|
|
|
another_david = Person.new("name" => "David Heinemeier Hansson", "pass" => "xc", "email" => "david@loudthinking")
|
|
unless another_david.save
|
|
puts "Error on name: " + another_david.errors.on("name")
|
|
end |