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

194 lines
6.5 KiB
Python

import json
import graphene
from api.utils import get_errors, get_object
from books.models import Chapter, ContentBlock
from books.schema.inputs import ContentBlockInput
from core.logger import get_logger
from core.utils import set_hidden_for, set_visible_for
from django.core.exceptions import ValidationError
from graphene import relay
from graphql_relay import from_global_id
from ..nodes import ContentBlockNode
from .utils import handle_content_block, set_user_defined_block_type
logger = get_logger(__name__)
class MutateContentBlock(relay.ClientIDMutation):
class Input:
id = graphene.ID(required=True)
content_block = graphene.Argument(ContentBlockInput)
content_block = graphene.Field(ContentBlockNode)
@classmethod
def mutate_and_get_payload(cls, root, info, **kwargs):
try:
id_param = kwargs["id"]
content_block_data = kwargs.get("content_block")
# type_param = content_block_data.get('type')
title = content_block_data.get("title", None)
contents = content_block_data.get("contents", None)
visibility_list = content_block_data.get("visibility", None)
content_block = get_object(ContentBlock, id_param)
block_type = content_block_data.get("type")
if (
block_type is not None
): # only change the type if the user has set a type
content_block.type = set_user_defined_block_type(block_type)
module = content_block.get_parent().get_parent().specific
if visibility_list is not None:
if content_block.user_created:
set_visible_for(content_block, visibility_list)
else:
set_hidden_for(content_block, visibility_list)
if title is not None:
content_block.title = title
if contents is not None:
content_block.contents = json.dumps(
[
handle_content_block(
c,
info.context,
module,
previous_contents=content_block.contents,
)
for c in contents
if c is not None
]
)
content_block.save()
return cls(content_block=content_block)
except ValidationError as e:
errors = get_errors(e)
raise errors
except Exception as e:
logger.error(e)
raise e
class AddContentBlock(relay.ClientIDMutation):
class Input:
content_block = graphene.Argument(ContentBlockInput)
parent = (
graphene.ID()
) # ID of chapter node; new content block will be inserted at the start of it
after = graphene.ID() # ID of content block node; new content block will be inserted after this content block node
new_content_block = graphene.Field(ContentBlockNode)
errors = graphene.List(graphene.String)
@classmethod
def create_content_block(
cls, content_block_data, parent=None, after=None, context=None
):
if after is None and parent is None:
raise Exception("Define either a parent or a sibling id")
title = content_block_data.get("title")
contents = content_block_data.get("contents")
block_type = set_user_defined_block_type(
content_block_data.get("type", ContentBlock.NORMAL)
)
new_content_block = ContentBlock(
title=title, user_created=True, owner=context.user, type=block_type
)
if parent is not None:
parent_chapter = get_object(Chapter, parent).specific
first_sibling = parent_chapter.get_first_child()
if first_sibling is not None:
first_sibling.add_sibling(instance=new_content_block, pos="left")
else:
parent_chapter.add_child(instance=new_content_block)
elif after is not None:
sibling = get_object(ContentBlock, after).specific
sibling.add_sibling(instance=new_content_block, pos="right")
revision = new_content_block.save_revision()
revision.publish()
new_content_block.save()
module = new_content_block.get_parent().get_parent().specific
new_content_block.contents = json.dumps(
[handle_content_block(c, context, module) for c in contents]
) # can only do this after the content block has been saved
new_content_block.save()
return new_content_block
@classmethod
def mutate_and_get_payload(cls, root, info, **args):
try:
parent = args.get("parent", None)
after = args.get("after", None)
new_content_block = cls.create_content_block(
content_block_data=args.get("content_block"),
parent=parent,
after=after,
context=info.context,
)
return cls(new_content_block=new_content_block)
except ValidationError as e:
errors = get_errors(e)
except Exception as e:
errors = ["Error: {}".format(e)]
return cls(new_content_block=None, errors=errors)
class DeleteContentBlock(relay.ClientIDMutation):
class Input:
id = graphene.ID(required=True)
success = graphene.Boolean()
errors = graphene.String()
@classmethod
def mutate_and_get_payload(cls, root, info, **kwargs):
id = from_global_id(kwargs.get("id"))[1]
user = info.context.user
try:
content_block = ContentBlock.objects.get(pk=id, owner=user)
content_block.delete()
return cls(success=True)
except ContentBlock.DoesNotExist:
return cls(success=False, errors="Content block not found")
class DuplicateContentBlock(relay.ClientIDMutation):
class Input:
id = graphene.ID(required=True)
content_block = graphene.Field(ContentBlockNode)
@classmethod
def mutate_and_get_payload(cls, root, info, **kwargs):
id = from_global_id(kwargs.get("id"))[1]
user = info.context.user
try:
content_block = ContentBlock.objects.get(pk=id)
new_content_block = ContentBlock.objects.duplicate(
content_block=content_block, user=user
)
return cls(content_block=new_content_block)
except ContentBlock.DoesNotExist:
return cls(content_block=None)