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Diffstat (limited to 'activerecord/examples/validation.rb')
| -rw-r--r-- | activerecord/examples/validation.rb | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/activerecord/examples/validation.rb b/activerecord/examples/validation.rb deleted file mode 100644 index e6a448afb8..0000000000 --- a/activerecord/examples/validation.rb +++ /dev/null @@ -1,85 +0,0 @@ -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
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