collection.py: save to db
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@ -2,13 +2,18 @@ import typing as t
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from asgiref.sync import sync_to_async
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from asgiref.sync import sync_to_async
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from django.contrib.auth import get_user_model
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from django.contrib.auth import get_user_model
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from django.core import exceptions as django_exceptions
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from django.core.files.base import ContentFile
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from django.db import transaction
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from django.db.models import Q
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from django.db.models import Q
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from django.db.models import QuerySet
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from django.db.models import QuerySet
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from fastapi import APIRouter, Depends, status
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from fastapi import APIRouter, Depends, status
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from pydantic import BaseModel
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from pydantic import BaseModel
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from django_etebase import models
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from django_etebase.models import Collection, AccessLevels, CollectionMember
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from django_etebase.models import Collection, AccessLevels, CollectionMember
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from .authentication import get_authenticated_user
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from .authentication import get_authenticated_user
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from .execptions import ValidationError
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from .msgpack import MsgpackRoute, MsgpackResponse
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from .msgpack import MsgpackRoute, MsgpackResponse
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from .stoken_handler import filter_by_stoken_and_limit
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from .stoken_handler import filter_by_stoken_and_limit
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@ -88,6 +93,7 @@ class Item(BaseModel):
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uid: str
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uid: str
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version: int
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version: int
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etag: t.Optional[str]
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etag: t.Optional[str]
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encryptionKey: t.Optional[bytes]
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content: CollectionItemContent
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content: CollectionItemContent
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@ -97,7 +103,72 @@ class CollectionItemIn(BaseModel):
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item: Item
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item: Item
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def process_revisions_for_item(item: models.CollectionItem, revision_data: CollectionItemContent):
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chunks_objs = []
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revision = models.CollectionItemRevision(**revision_data.dict(exclude={"chunks"}), item=item)
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revision.validate_unique() # Verify there aren't any validation issues
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for chunk in revision_data.chunks:
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uid = chunk[0]
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chunk_obj = models.CollectionItemChunk.objects.filter(uid=uid).first()
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content = chunk[1] if len(chunk) > 1 else None
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# If the chunk already exists we assume it's fine. Otherwise, we upload it.
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if chunk_obj is None:
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if content is not None:
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chunk_obj = models.CollectionItemChunk(uid=uid, collection=item.collection)
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chunk_obj.chunkFile.save("IGNORED", ContentFile(content))
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chunk_obj.save()
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else:
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raise ValidationError("chunk_no_content", "Tried to create a new chunk without content")
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chunks_objs.append(chunk_obj)
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stoken = models.Stoken.objects.create()
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revision.stoken = stoken
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revision.save()
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for chunk in chunks_objs:
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models.RevisionChunkRelation.objects.create(chunk=chunk, revision=revision)
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return revision
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def _create(data: CollectionItemIn, user: User):
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with transaction.atomic():
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if data.item.etag is not None:
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raise ValidationError("bad_etag", "etag is not null")
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instance = models.Collection(uid=data.item.uid, owner=user)
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try:
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instance.validate_unique()
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except django_exceptions.ValidationError:
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raise ValidationError(
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"unique_uid", "Collection with this uid already exists", status_code=status.HTTP_409_CONFLICT
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)
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instance.save()
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main_item = models.CollectionItem.objects.create(
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uid=data.item.uid, version=data.item.version, encryptionKey=data.item.encryptionKey, collection=instance
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)
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instance.main_item = main_item
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instance.save()
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# TODO
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process_revisions_for_item(main_item, data.item.content)
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collection_type_obj, _ = models.CollectionType.objects.get_or_create(uid=data.collectionType, owner=user)
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models.CollectionMember(
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collection=instance,
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stoken=models.Stoken.objects.create(),
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user=user,
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accessLevel=models.AccessLevels.ADMIN,
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encryptionKey=data.collectionKey,
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collectionType=collection_type_obj,
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).save()
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@collection_router.post("/")
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@collection_router.post("/")
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def create(data: CollectionItemIn):
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async def create(data: CollectionItemIn, user: User = Depends(get_authenticated_user)):
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# FIXME save actual item
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await sync_to_async(_create)(data, user)
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return MsgpackResponse({}, status_code=status.HTTP_201_CREATED)
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return MsgpackResponse({}, status_code=status.HTTP_201_CREATED)
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