skillbox/server/books/schema/mutations/snapshot.py

78 lines
2.6 KiB
Python

import graphene
from django.db.models import Q
from graphene import relay
from api.utils import get_object
from books.models import Module, ContentBlock, Chapter
from books.models.snapshot import Snapshot
from books.schema.nodes import SnapshotNode, ModuleNode
from users.models import SchoolClass
class CreateSnapshot(relay.ClientIDMutation):
class Input:
module = graphene.String(required=True)
selected_class = graphene.ID(required=True)
snapshot = graphene.Field(SnapshotNode)
success = graphene.Boolean()
@classmethod
def mutate_and_get_payload(cls, root, info, **args):
module_slug = args.get('module')
module = Module.objects.get(slug=module_slug)
user = info.context.user
# todo: check user
# raise NotImplementedError('Permissions')
selected_class_id = args.get('selected_class')
selected_class = get_object(SchoolClass, selected_class_id)
snapshot = Snapshot.objects.create_snapshot(module, selected_class, user)
return cls(snapshot=snapshot, success=True)
class ApplySnapshot(relay.ClientIDMutation):
class Input:
snapshot = graphene.ID(required=True)
selected_class = graphene.ID(required=True)
success = graphene.Boolean()
module = graphene.Field(ModuleNode)
@classmethod
def mutate_and_get_payload(cls, root, info, **args):
snapshot_id = args.get('snapshot')
snapshot = get_object(Snapshot, snapshot_id)
user = info.context.user
selected_class_id = args.get('selected_class')
selected_class = get_object(SchoolClass, selected_class_id)
# permission check
if not selected_class.users.filter(username=user.username).exists() or not user.is_teacher():
raise PermissionError('Not allowed')
# reset everything
snapshot.reset(user, selected_class)
# apply snapshot
snapshot.apply(user, selected_class)
return cls(success=True, module=snapshot.module)
class ShareSnapshot(relay.ClientIDMutation):
class Input:
snapshot = graphene.ID(required=True)
shared = graphene.Boolean(required=True)
success = graphene.Boolean(required=True)
snapshot = graphene.Field(SnapshotNode)
@classmethod
def mutate_and_get_payload(cls, root, info, **args):
snapshot_id = args.get('snapshot')
shared = args.get('shared')
user = info.context.user
snapshot = get_object(Snapshot, snapshot_id)
if snapshot.creator != user:
raise PermissionError('Not permitted')
snapshot.shared = shared
snapshot.save()
return cls(success=True, snapshot=snapshot)