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