regluit/api/resources.py

137 lines
4.9 KiB
Python
Executable File

import logging
from django.contrib import auth
from django.contrib.auth.models import User, AnonymousUser
from django.conf.urls.defaults import url
from django.db.models import Q
from tastypie import fields
from tastypie.constants import ALL, ALL_WITH_RELATIONS
from tastypie.resources import ModelResource, Resource, Bundle
from tastypie.utils import trailing_slash
from tastypie.authentication import ApiKeyAuthentication, Authentication
from regluit.core import models
logger = logging.getLogger(__name__)
class UserResource(ModelResource):
class Meta:
authentication = ApiKeyAuthentication()
queryset = User.objects.all()
resource_name = 'user'
fields = ['username', 'first_name', 'last_name']
class EditionResource(ModelResource):
work = fields.ForeignKey('regluit.api.resources.WorkResource', 'work')
identifiers = fields.ToManyField('regluit.api.resources.IdentifierResource', 'identifiers')
class Meta:
authentication = ApiKeyAuthentication()
queryset = models.Edition.objects.all()
resource_name = 'edition'
filtering = {
"isbn_13": ALL, "identifiers": ALL_WITH_RELATIONS,
}
def build_filters(self, filters = None):
if filters is None:
filters = {}
for filter_expr, value in filters.items():
if filter_expr.startswith('isbn_13'):
filters['identifiers__type'] = 'isbn'
if len(filter_expr)>7:
filters['identifiers__value'+filter_expr[7:]] = value
else:
filters['identifiers__value'] = value
del filters[ filter_expr ]
return super(EditionResource, self).build_filters(filters)
class IdentifierResource(ModelResource):
work = fields.ForeignKey('regluit.api.resources.WorkResource', 'work')
edition = fields.ForeignKey('regluit.api.resources.EditionResource', 'edition')
class Meta:
authentication = ApiKeyAuthentication()
queryset = models.Identifier.objects.all()
resource_name = 'identifier'
filtering = {
"value": ALL, "type" : ALL,
}
class WorkResource(ModelResource):
editions = fields.ToManyField(EditionResource, 'editions')
identifiers = fields.ToManyField(IdentifierResource, 'identifiers')
class Meta:
authentication = ApiKeyAuthentication()
queryset = models.Work.objects.all()
resource_name = 'work'
filtering = {'editions': ALL_WITH_RELATIONS, 'id': ALL, 'identifiers': ALL_WITH_RELATIONS}
class CampaignResource(ModelResource):
work = fields.ToOneField(WorkResource, 'work')
def alter_list_data_to_serialize(self, request, data):
"""
annotate the list of campaigns with information from the logged in
user. note: this isn't the user identified by the api username/api_key
it's the the user that client might be logged into unglue.it as.
"""
u = auth.get_user(request)
if isinstance(u, User):
data['meta']['logged_in_username'] = u.username
wishlist_work_ids = [w.id for w in u.wishlist.works.all()]
else:
data['meta']['logged_in_username'] = None
wishlist_work_ids = []
for o in data['objects']:
o.data['in_wishlist'] = o.obj.id in wishlist_work_ids
# there's probably a better place up the chain (where the Campaign objects are directly available) to grab the status
c = models.Campaign.objects.get(id=o.data["id"])
o.data['status'] = c.status
o.data['current_total'] = c.current_total
# TODO: add pledging information
return data
def alter_detail_data_to_serialize(self, request, obj):
c = models.Campaign.objects.get(id=obj.data["id"])
obj.data['status'] = c.status
obj.data['current_total'] = c.current_total
return obj
class Meta:
authentication = ApiKeyAuthentication()
queryset = models.Campaign.objects.all()
resource_name = 'campaign'
excludes = ['amazon_receiver', 'paypal_receiver']
filtering = {
"work": ALL_WITH_RELATIONS,
}
class AuthorResource(ModelResource):
works = fields.ToManyField(WorkResource, 'works')
class Meta:
authentication = ApiKeyAuthentication()
queryset = models.Author.objects.all()
resource_name = 'author'
class SubjectResource(ModelResource):
works = fields.ToManyField(WorkResource, 'works')
class Meta:
authentication = ApiKeyAuthentication()
queryset = models.Subject.objects.all()
resource_name = 'subject'
class WishlistResource(ModelResource):
user = fields.ToOneField(UserResource, 'user')
works = fields.ToManyField(WorkResource, 'works')
class Meta:
authentication = ApiKeyAuthentication()
queryset = models.Wishlist.objects.all()
resource_name = 'wishlist'