2005-11-06 14:05:42 -05:00
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module DeveloperProjectsAssociationExtension
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def find_most_recent
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find(:first, :order => "id DESC")
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end
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end
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2006-04-10 21:10:42 -04:00
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module DeveloperProjectsAssociationExtension2
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def find_least_recent
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find(:first, :order => "id ASC")
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end
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end
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2004-11-23 20:04:44 -05:00
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class Developer < ActiveRecord::Base
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2005-11-06 14:05:42 -05:00
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has_and_belongs_to_many :projects do
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2005-11-03 04:06:42 -05:00
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def find_most_recent
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find(:first, :order => "id DESC")
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end
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2005-11-06 14:05:42 -05:00
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end
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2008-01-18 02:27:03 -05:00
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has_and_belongs_to_many :projects_extended_by_name,
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:class_name => "Project",
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:join_table => "developers_projects",
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2005-11-06 14:05:42 -05:00
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:association_foreign_key => "project_id",
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:extend => DeveloperProjectsAssociationExtension
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2005-11-03 04:06:42 -05:00
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2008-01-18 02:27:03 -05:00
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has_and_belongs_to_many :projects_extended_by_name_twice,
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:class_name => "Project",
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:join_table => "developers_projects",
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2006-04-10 21:10:42 -04:00
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:association_foreign_key => "project_id",
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:extend => [DeveloperProjectsAssociationExtension, DeveloperProjectsAssociationExtension2]
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2008-01-18 02:27:03 -05:00
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has_and_belongs_to_many :projects_extended_by_name_and_block,
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:class_name => "Project",
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:join_table => "developers_projects",
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2007-09-17 17:19:44 -04:00
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:association_foreign_key => "project_id",
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:extend => DeveloperProjectsAssociationExtension do
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def find_least_recent
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find(:first, :order => "id ASC")
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end
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end
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2005-07-03 04:52:59 -04:00
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has_and_belongs_to_many :special_projects, :join_table => 'developers_projects', :association_foreign_key => 'project_id'
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2005-10-06 13:13:24 -04:00
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2007-10-10 02:45:13 -04:00
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has_many :audit_logs
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2004-12-19 06:25:55 -05:00
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validates_inclusion_of :salary, :in => 50000..200000
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validates_length_of :name, :within => 3..20
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2007-10-10 02:45:13 -04:00
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before_create do |developer|
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developer.audit_logs.build :message => "Computer created"
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end
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2008-05-08 01:04:53 -04:00
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def log=(message)
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audit_logs.build :message => message
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end
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2007-10-10 02:45:13 -04:00
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end
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class AuditLog < ActiveRecord::Base
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belongs_to :developer
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2004-12-15 20:32:35 -05:00
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end
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2005-05-19 12:39:50 -04:00
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DeveloperSalary = Struct.new(:amount)
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class DeveloperWithAggregate < ActiveRecord::Base
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self.table_name = 'developers'
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composed_of :salary, :class_name => 'DeveloperSalary', :mapping => [%w(salary amount)]
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end
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2005-11-08 05:19:09 -05:00
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class DeveloperWithBeforeDestroyRaise < ActiveRecord::Base
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self.table_name = 'developers'
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has_and_belongs_to_many :projects, :join_table => 'developers_projects', :foreign_key => 'developer_id'
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before_destroy :raise_if_projects_empty!
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def raise_if_projects_empty!
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raise if projects.empty?
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end
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end
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