collection.py: get by uid and fixed create

This commit is contained in:
Tal Leibman 2020-12-27 11:36:18 +02:00 committed by Tom Hacohen
parent 94161943ca
commit 53662451a3

View File

@ -7,8 +7,8 @@ from django.core.files.base import ContentFile
from django.db import transaction
from django.db.models import Q
from django.db.models import QuerySet
from fastapi import APIRouter, Depends, status
from pydantic import BaseModel
from fastapi import APIRouter, Depends, status, Query
from pydantic import BaseModel, Field
from django_etebase import models
from django_etebase.models import Collection, AccessLevels, CollectionMember
@ -22,12 +22,57 @@ collection_router = APIRouter(route_class=MsgpackRoute)
default_queryset = Collection.objects.all()
Prefetch = t.Literal["auto", "medium"]
PrefetchQuery = Query(default="auto")
class ListMulti(BaseModel):
collectionTypes: t.List[bytes]
class CollectionItemRevisionOut(BaseModel):
uid: str
meta: bytes
deleted: bool
chunks: t.List[t.Tuple[str, t.Optional[bytes]]]
class Config:
orm_mode = True
@classmethod
def from_orm_user(
cls: t.Type["CollectionItemRevisionOut"], obj: models.CollectionItemRevision, prefetch: Prefetch
) -> "CollectionItemRevisionOut":
chunk_obj = obj.chunks_relation.get().chunk
if prefetch == "auto":
with open(chunk_obj.chunkFile.path, "rb") as f:
chunks = chunk_obj.uid, f.read()
else:
chunks = (chunk_obj.uid,)
return cls(uid=obj.uid, meta=obj.meta, deleted=obj.deleted, chunks=[chunks])
class CollectionItemOut(BaseModel):
uid: str
version: int
encryptionKey: t.Optional[bytes]
etag: t.Optional[str]
content: CollectionItemRevisionOut
class Config:
orm_mode = True
@classmethod
def from_orm_user(
cls: t.Type["CollectionItemOut"], obj: models.CollectionItem, prefetch: Prefetch
) -> "CollectionItemOut":
return cls(
uid=obj.uid,
version=obj.version,
encryptionKey=obj.encryptionKey,
etag=obj.etag,
content=CollectionItemRevisionOut.from_orm_user(obj.content, prefetch),
)
class CollectionOut(BaseModel):
@ -38,16 +83,17 @@ class CollectionOut(BaseModel):
item: CollectionItemOut
@classmethod
def from_orm_user(cls: t.Type["CollectionOut"], obj: Collection, user: User) -> "CollectionOut":
def from_orm_user(cls: t.Type["CollectionOut"], obj: Collection, user: User, prefetch: Prefetch) -> "CollectionOut":
member: CollectionMember = obj.members.get(user=user)
collection_type = member.collectionType
return cls(
ret = cls(
collectionType=collection_type and collection_type.uid,
collectionKey=member.encryptionKey,
accessLevel=member.accessLevel,
stoken=obj.stoken,
item=CollectionItemOut(uid=obj.main_item.uid),
item=CollectionItemOut.from_orm_user(obj.main_item, prefetch),
)
return ret
class ListResponse(BaseModel):
@ -56,11 +102,26 @@ class ListResponse(BaseModel):
done: bool
class ItemIn(BaseModel):
uid: str
version: int
etag: t.Optional[str]
content: CollectionItemRevisionOut
class CollectionIn(BaseModel):
collectionType: bytes
collectionKey: bytes
item: ItemIn
@sync_to_async
def list_common(queryset: QuerySet, user: User, stoken: t.Optional[str], limit: int) -> MsgpackResponse:
def list_common(
queryset: QuerySet, user: User, stoken: t.Optional[str], limit: int, prefetch: Prefetch
) -> MsgpackResponse:
result, new_stoken_obj, done = filter_by_stoken_and_limit(stoken, limit, queryset, Collection.stoken_annotation)
new_stoken = new_stoken_obj and new_stoken_obj.uid
data: t.List[CollectionOut] = [CollectionOut.from_orm_user(item, user) for item in queryset]
data: t.List[CollectionOut] = [CollectionOut.from_orm_user(item, user, prefetch) for item in queryset]
ret = ListResponse(data=data, stoken=new_stoken, done=done)
return MsgpackResponse(content=ret)
@ -71,39 +132,22 @@ def get_collection_queryset(user: User, queryset: QuerySet) -> QuerySet:
@collection_router.post("/list_multi/")
async def list_multi(
data: ListMulti, stoken: t.Optional[str] = None, limit: int = 50, user: User = Depends(get_authenticated_user)
data: ListMulti,
stoken: t.Optional[str] = None,
limit: int = 50,
user: User = Depends(get_authenticated_user),
prefetch: Prefetch = PrefetchQuery,
):
queryset = get_collection_queryset(user, default_queryset)
# FIXME: Remove the isnull part once we attach collection types to all objects ("collection-type-migration")
queryset = queryset.filter(
Q(members__collectionType__uid__in=data.collectionTypes) | Q(members__collectionType__isnull=True)
)
response = await list_common(queryset, user, stoken, limit)
response = await list_common(queryset, user, stoken, limit, prefetch)
return response
class CollectionItemRevision(BaseModel):
uid: str
meta: bytes
deleted: bool
chunks: t.List[t.Tuple[str, t.Optional[bytes]]]
class Item(BaseModel):
uid: str
version: int
etag: t.Optional[str]
encryptionKey: t.Optional[bytes]
content: CollectionItemRevision
class CollectionIn(BaseModel):
collectionType: bytes
collectionKey: bytes
item: Item
def process_revisions_for_item(item: models.CollectionItem, revision_data: CollectionItemRevision):
def process_revisions_for_item(item: models.CollectionItem, revision_data: CollectionItemRevisionOut):
chunks_objs = []
revision = models.CollectionItemRevision(**revision_data.dict(exclude={"chunks"}), item=item)
@ -147,7 +191,7 @@ def _create(data: CollectionIn, user: User):
instance.save()
main_item = models.CollectionItem.objects.create(
uid=data.item.uid, version=data.item.version, encryptionKey=data.item.encryptionKey, collection=instance
uid=data.item.uid, version=data.item.version, collection=instance
)
instance.main_item = main_item
@ -172,3 +216,10 @@ def _create(data: CollectionIn, user: User):
async def create(data: CollectionIn, user: User = Depends(get_authenticated_user)):
await sync_to_async(_create)(data, user)
return MsgpackResponse({}, status_code=status.HTTP_201_CREATED)
@collection_router.get("/{uid}/")
def get_collection(uid: str, user: User = Depends(get_authenticated_user), prefetch: Prefetch = PrefetchQuery):
obj = get_collection_queryset(user, default_queryset).get(uid=uid)
ret = CollectionOut.from_orm_user(obj, user, prefetch)
return MsgpackResponse(ret)