class AuthRouter:
	route_app_labels = {'auth', 'Users', 'contenttypes', 'sessions', 'admin'}

	def db_for_read(self,model,**hints):
		if model._meta.app_label in self.route_app_labels:
			return 'user_db'
		return None

	def db_for_write(self,model,**hints):
		if model._meta.app_label in self.route_app_labels:
			return 'user_db'
		return None

	def allow_relation(self, obj1, obj2, **hints):
		if(
			obj1._meta.app_label in self.route_app_labels or
			 obj2._meta.app_label in self.route_app_labels
			 ):
			return True
		return None

	def allow_migrate(self, db, app_label, model_name=None, **hints):
		if app_label in self.route_app_labels:
			return db == 'user_db'
		return None
		

class ProductAuth:
	route_app_labels = {'Products'}

	def db_for_read(self,model,**hints):
		if model._meta.app_label in self.route_app_labels:
			return 'product_db'
		return None

	def db_for_write(self,model,**hints):
		if model._meta.app_label in self.route_app_labels:
			return 'product_db'
		return None

	def allow_migrate(self,db,app_label,model_name=None,**hints):
		if app_label in self.route_app_labels:
			return db == 'product_db'
		return None
		