from django.db import models

from share.models.base import ShareObject
from share.models.people import Person
from share.models.base import TypedShareObjectMeta
from share.models.creative.meta import Venue, Institution, Funder, Award, Tag
from share.models.fields import ShareForeignKey, ShareManyToManyField


class AbstractCreativeWork(ShareObject, metaclass=TypedShareObjectMeta):
    title = models.TextField()
    description = models.TextField()
    contributors = ShareManyToManyField(Person, through='Contributor')
    institutions = ShareManyToManyField(Institution, through='ThroughInstitutions')
    venues = ShareManyToManyField(Venue, through='ThroughVenues')
    funders = ShareManyToManyField(Funder, through='ThroughFunders')
    awards = ShareManyToManyField(Award, through='ThroughAwards')
    subject = ShareForeignKey(Tag, related_name='subjected_%(class)s', null=True)
    # Note: Null allows inserting of None but returns it as an empty string
    tags = ShareManyToManyField(Tag, related_name='tagged_%(class)s', through='ThroughTags')
    created = models.DateTimeField(null=True)
    published = models.DateTimeField(null=True)
    free_to_read_type = models.URLField(blank=True)
    free_to_read_date = models.DateTimeField(null=True)
    rights = models.TextField()
    language = models.TextField()


class CreativeWork(AbstractCreativeWork):
    pass

from django.db import models

from share.models.base import ShareObject
from share.models.people import Person
from share.models.base import TypedShareObjectMeta
from share.models.creative.meta import Venue, Institution, Funder, Award, Tag
from share.models.fields import ShareForeignKey, ShareManyToManyField


class AbstractCreativeWork(ShareObject, metaclass=TypedShareObjectMeta):
    title = models.TextField()
    description = models.TextField()
    contributors = ShareManyToManyField(Person, through='Contributor')
    institutions = ShareManyToManyField(Institution, through='ThroughInstitutions')
    venues = ShareManyToManyField(Venue, through='ThroughVenues')
    funders = ShareManyToManyField(Funder, through='ThroughFunders')
    awards = ShareManyToManyField(Award, through='ThroughAwards')
    subject = ShareForeignKey(Tag, related_name='subjected_%(class)s', null=True)
    # Note: Null allows inserting of None but returns it as an empty string
    tags = ShareManyToManyField(Tag, related_name='tagged_%(class)s', through='ThroughTags')
    created = models.DateTimeField(null=True)
    published = models.DateTimeField(null=True)
    free_to_read_type = models.URLField(blank=True)
    free_to_read_date = models.DateTimeField(null=True)

    rights = models.TextField(blank=True, null=True)
    language = models.TextField(blank=True, null=True)


class CreativeWork(AbstractCreativeWork):
    pass

Swap out license with rights