gistfile1.rb

# **********************************************************************
# *** with load_classes_with_requirements as per current merb source ***
# **********************************************************************

# --------------------------------------------------------------------------------------------
# The datamapper models I've been having probs with

# admin_entered_new_membership.rb
puts "loading AdminEnteredNewMembership"
class AdminEnteredNewMembership < MembershipApplication
  include DataMapper::Resource
end


# admin_entered_renewal.rb
puts "loading AdminEnteredRenewal"
class AdminEnteredRenewal < MembershipApplication
  include DataMapper::Resource
end


# membership_application.rb
puts "loading MembershipApplication"
class MembershipApplication
  include DataMapper::Resource
  include MembershipApplicationBoatStoragePaymentForm
end


# membership_application_boat_storage_form.rb
puts "loading MembershipApplicationBoatStoragePaymentForm"
module MembershipApplicationBoatStoragePaymentForm
end


# --------------------------------------------------------------------------------------------
# load_classes_with_requirements as it is, but printing debug info
def load_classes_with_requirements(klasses)
  klasses.uniq!

  while klasses.size > 0
    puts "KLASSES TO LOAD: #{klasses.inspect}"
    # Note size to make sure things are loading
    size_at_start = klasses.size

    # List of failed classes
    failed_classes = []
    # Map classes to exceptions
    error_map = {}

    klasses.each do |klass|
      puts "KLASS BEING LOADED: #{klass}"
      klasses.delete(klass)
      begin
        load_file klass
      rescue NameError => ne
        error_map[klass] = ne
        failed_classes.push(klass)
      end
    end
    puts "KLASSES AFTER: #{klasses.inspect}"
    puts "FAILED KLASSES AFTER: #{failed_classes.inspect}"
    ......
    
# --------------------------------------------------------------------------------------------

# When I run the merb app:
DEBUG=true bin/merb -i

# I get the following output:

# <snipedy snip>
# ~ Loading: Merb::BootLoader::LoadClasses
# ~ Parent pid: 10084
# loading AdminEnteredNewMembership
# loading AdminEnteredRenewal
# loading MembershipApplication
# loading MembershipApplicationBoatStoragePaymentForm

# --------------------------------------------------------------------------------------------
# KLASSES TO LOAD: 
# ["/Users/rupert/Sites/home/merb/apsc_new/app/models/mobile_phone_number.rb",
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/membership_application.rb",
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/home_postal_address.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/home_phone_number.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/boat_storage_payment_form.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_renewal.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_new_membership.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_boat_storage_payment_form.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/a_renewal.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/a_online_application.rb"]

# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/mobile_phone_number.rb
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/home_postal_address.rb
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/boat_storage_payment_form.rb
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_new_membership.rb
# loading AdminEnteredNewMembership
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/a_renewal.rb

# KLASSES AFTER:
# ["/Users/rupert/Sites/home/merb/apsc_new/app/models/membership_application.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/home_phone_number.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_renewal.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_boat_storage_payment_form.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/a_online_application.rb"]
# FAILED KLASSES AFTER: 
# ["/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_new_membership.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/a_renewal.rb"]
# --------------------------------------------------------------------------------------------

# --------------------------------------------------------------------------------------------
# KLASSES TO LOAD: 
# ["/Users/rupert/Sites/home/merb/apsc_new/app/models/membership_application.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/home_phone_number.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_renewal.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_boat_storage_payment_form.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/a_online_application.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_new_membership.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/a_renewal.rb"]

# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/membership_application.rb
# loading MembershipApplication
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_renewal.rb
# loading AdminEnteredRenewal
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/a_online_application.rb
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/a_renewal.rb

# KLASSES AFTER:
# ["/Users/rupert/Sites/home/merb/apsc_new/app/models/home_phone_number.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_boat_storage_payment_form.rb", 
#  "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_new_membership.rb"]
# FAILED KLASSES AFTER: []
# --------------------------------------------------------------------------------------------

# --------------------------------------------------------------------------------------------
# KLASSES TO LOAD: 
# ["/Users/rupert/Sites/home/merb/apsc_new/app/models/home_phone_number.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_boat_storage_payment_form.rb", 
# "/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_new_membership.rb"]

# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/home_phone_number.rb
# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_new_membership.rb
# loading AdminEnteredNewMembership
# KLASSES AFTER: ["/Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_boat_storage_payment_form.rb"]
# FAILED KLASSES AFTER: []

# KLASS BEING LOADED: /Users/rupert/Sites/home/merb/apsc_new/app/models/admin_entered_boat_storage_payment_form.rb
# KLASSES AFTER: []
# FAILED KLASSES AFTER: []
# --------------------------------------------------------------------------------------------
# <snipedy snip>


# Then the problem is manifesting itself when at the merb irb prompt:

p MembershipApplication.properties
#<PropertySet:{#<Property:MembershipApplication:id>,#<Property:MembershipApplication:type>,#<Property:MembershipApplication:member_id>,#<Property:MembershipApplication:status>,#<Property:MembershipApplication:year>,#<Property:MembershipApplication:member_type>,#<Property:MembershipApplication:ap_connection>,#<Property:MembershipApplication:ap_connection_other>,#<Property:MembershipApplication:atlas_status>,#<Property:MembershipApplication:created_on>}>

p AdminEnteredRenewal.properties
#<PropertySet:{#<Property:AdminEnteredRenewal:id>,#<Property:AdminEnteredRenewal:type>,#<Property:AdminEnteredRenewal:member_id>,#<Property:AdminEnteredRenewal:status>,#<Property:AdminEnteredRenewal:year>,#<Property:AdminEnteredRenewal:member_type>,#<Property:AdminEnteredRenewal:ap_connection>,#<Property:AdminEnteredRenewal:ap_connection_other>,#<Property:AdminEnteredRenewal:atlas_status>,#<Property:AdminEnteredRenewal:created_on>}>

p AdminEnteredNewMembership.properties
#<PropertySet:{#<Property:AdminEnteredNewMembership:status>}>

# this is bad - AdminEnteredNewMembership should have the properties inherited from MembershipApplication