♻️(schema) stop forcing users to be uuid (represented by a sub)

The list of users allowed to access a document is a sub and is
not guaranteed to be a UUID.

src/backend/core/factories.py

@@ -19,7 +19,7 @@ class DocumentSchemaFactory(factory.DictFactory):
     indexation for testing and development purposes.
     """
 
-    id = factory.LazyFunction(uuid4)
+    id = factory.LazyFunction(lambda: str(uuid4()))
     title = factory.Sequence(lambda n: f"Test title {n!s}")
     path = factory.Sequence(lambda n: f"000{n}")
     content = factory.Sequence(lambda n: f"Test content {n!s}")
@@ -27,7 +27,7 @@ class DocumentSchemaFactory(factory.DictFactory):
         lambda: fake.date_time_this_decade(tzinfo=timezone.get_current_timezone())
     )
     size = factory.LazyFunction(lambda: fake.random_int(min=0, max=1024**2))
-    users = factory.LazyFunction(lambda: [uuid4() for _ in range(3)])
+    users = factory.LazyFunction(lambda: [str(uuid4()) for _ in range(3)])
     groups = factory.LazyFunction(lambda: [slugify(fake.word()) for _ in range(3)])
     reach = factory.Iterator(list(enums.ReachEnum))
     depth = 1

src/backend/core/schemas.py

@@ -31,7 +31,7 @@ class DocumentSchema(BaseModel):
     created_at: AwareDatetime
     updated_at: AwareDatetime
     size: Annotated[int, Field(ge=0, le=100 * 1024**3)]  # File size limited to 100GB
-    users: List[UUID4] = Field(default_factory=list)
+    users: List[Annotated[str, Field(max_length=50)]] = Field(default_factory=list)
     groups: List[Annotated[str, Field(pattern=r"^[a-z0-9]+(?:-[a-z0-9]+)*$")]] = Field(
         default_factory=list
     )

src/backend/core/tests/test_api_documents_index_bulk.py

@@ -140,12 +140,9 @@ def test_api_documents_index_bulk_success():
         ),
         (
             "users",
-            ["33052c8b-3181-4420-aede-f8396fc0f9az"],  # invalid UUID b/c contains a z
-            "uuid_parsing",
-            (
-                "Input should be a valid UUID, invalid character: expected an optional "
-                "prefix of `urn:uuid:` followed by [0-9a-fA-F-], found `z` at 36"
-            ),
+            ["a" * 51],
+            "string_too_long",
+            "String should have at most 50 characters",
         ),
         (
             "groups",

src/backend/core/tests/test_api_documents_index_single.py

@@ -137,12 +137,9 @@ def test_api_documents_index_single_success():
         ),
         (
             "users",
-            ["33052c8b-3181-4420-aede-f8396fc0f9az"],  # invalid UUID b/c contains a z*
-            "uuid_parsing",
-            (
-                "Input should be a valid UUID, invalid character: expected an optional "
-                "prefix of `urn:uuid:` followed by [0-9a-fA-F-], found `z` at 36"
-            ),
+            ["a" * 51],
+            "string_too_long",
+            "String should have at most 50 characters",
         ),
         (
             "groups",