gistfile1.pyw

class Layer(models.Model):
    ...
    contacts = models.ManyToManyField('Contact') #using the role field to tell the different type of contacts apart


ROLE_VALUES = [
    'datasetProvider',
    'custodian',
    'owner',
    'user',
    'distributor',
    'originator',
    'pointOfContact',
    'principalInvestigator',
    'processor',
    'publisher',
    'author'
]

class Contact(models.Model):
    name = models.CharField('Individual Name', max_length=255)
    organization = models.CharField('Organization Name', max_length=255)
    position = models.CharField('Position Name', max_length=255, blank=True, null=True)
    voice = models.CharField('Voice', max_length=255, blank=True, null=True)
    fax = models.CharField('Facsimile',  max_length=255, blank=True, null=True)
    delivery = models.CharField('Delivery Point', max_length=255, blank=True, null=True)
    city = models.CharField(max_length=255, blank=True, null=True)
    area = models.CharField('Administrative Area', max_length=255, blank=True, null=True)
    zipcode = models.CharField('Postal Code', max_length=255, blank=True, null=True)
    country = models.CharField(choices=COUNTRIES, max_length=3, blank=True, null=True)
    role = models.CharField(choices= [(x, x) for x in ROLE_VALUES], max_length=255, blank=True, null=True)
    email = models.EmailField()
    #user = models.ForeignField(User) #In case we want to use this model as a profile.

    def __unicode__(self):
        return self.name