refactor: merge UserInfo and UserWithNamespace (#362)

components/renku_data_services/app_config/config.py

@@ -63,7 +63,7 @@
 from renku_data_services.users.db import UserRepo as KcUserRepo
 from renku_data_services.users.dummy_kc_api import DummyKeycloakAPI
 from renku_data_services.users.kc_api import IKeycloakAPI, KeycloakAPI
-from renku_data_services.users.models import UserInfo
+from renku_data_services.users.models import UnsavedUserInfo
 from renku_data_services.utils.core import merge_api_specs, oidc_discovery
 
 default_resource_pool = models.ResourcePool(
@@ -436,8 +436,8 @@ def from_env(cls, prefix: str = "") -> "Config":
             user_store = DummyUserStore(user_always_exists=user_always_exists)
             gitlab_client = DummyGitlabAPI()
             dummy_users = [
-                UserInfo("user1", "user1", "doe", "[email protected]"),
-                UserInfo("user2", "user2", "doe", "[email protected]"),
+                UnsavedUserInfo(id="user1", first_name="user1", last_name="doe", email="[email protected]"),
+                UnsavedUserInfo(id="user2", first_name="user2", last_name="doe", email="[email protected]"),
             ]
             kc_api = DummyKeycloakAPI(users=[i._to_keycloak_dict() for i in dummy_users])
             redis = RedisConfig.fake()

components/renku_data_services/authz/authz.py

@@ -35,7 +35,7 @@
 from renku_data_services.errors import errors
 from renku_data_services.namespace.models import Group, GroupUpdate, Namespace, NamespaceKind, NamespaceUpdate
 from renku_data_services.project.models import Project, ProjectUpdate
-from renku_data_services.users.models import UserWithNamespace, UserWithNamespaceUpdate
+from renku_data_services.users.models import UserInfo, UserInfoUpdate
 
 _P = ParamSpec("_P")
 
@@ -51,7 +51,7 @@ def authz(self) -> "Authz":
 
 _AuthzChangeFuncResult = TypeVar(
     "_AuthzChangeFuncResult",
-    bound=Project | ProjectUpdate | Group | UserWithNamespaceUpdate | list[UserWithNamespace] | None,
+    bound=Project | ProjectUpdate | Group | UserInfoUpdate | list[UserInfo] | None,
 )
 _T = TypeVar("_T")
 _WithAuthz = TypeVar("_WithAuthz", bound=WithAuthz)
@@ -493,14 +493,14 @@ async def _get_authz_change(
                 case AuthzOperation.delete, ResourceType.group if result is None:
                     # NOTE: This means that the group does not exist in the first place so nothing was deleted
                     pass
-                case AuthzOperation.update_or_insert, ResourceType.user if isinstance(result, UserWithNamespaceUpdate):
+                case AuthzOperation.update_or_insert, ResourceType.user if isinstance(result, UserInfoUpdate):
                     if result.old is None:
                         authz_change = db_repo.authz._add_user_namespace(result.new.namespace)
                 case AuthzOperation.insert_many, ResourceType.user_namespace if isinstance(result, list):
                     for res in result:
-                        if not isinstance(res, UserWithNamespace):
+                        if not isinstance(res, UserInfo):
                             raise errors.ProgrammingError(
-                                message="Expected list of UserWithNamespace when generating authorization "
+                                message="Expected list of UserInfo when generating authorization "
                                 f"database updates for inserting namespaces but found {type(res)}"
                             )
                         authz_change.extend(db_repo.authz._add_user_namespace(res.namespace))

components/renku_data_services/base_models/core.py

@@ -4,7 +4,7 @@
 import unicodedata
 from dataclasses import dataclass, field
 from enum import Enum, StrEnum
-from typing import ClassVar, Optional, Protocol
+from typing import ClassVar, Optional, Protocol, Self
 
 from sanic import Request
 
@@ -122,7 +122,7 @@ def __init__(self, value: str) -> None:
         object.__setattr__(self, "value", value.lower())
 
     @classmethod
-    def from_name(cls, name: str) -> "Slug":
+    def from_name(cls, name: str) -> Self:
         """Takes a name with any amount of invalid characters and transforms it in a valid slug."""
         lower_case = name.lower()
         no_space = re.sub(r"\s+", "-", lower_case)
@@ -139,6 +139,24 @@ def from_name(cls, name: str) -> "Slug":
             )
         return cls(no_dot_git_or_dot_atom_at_end)
 
+    @classmethod
+    def from_user(cls, email: str | None, first_name: str | None, last_name: str | None, keycloak_id: str) -> Self:
+        """Create a slug from a user."""
+        if email:
+            slug = email.split("@")[0]
+        elif first_name and last_name:
+            slug = first_name + "-" + last_name
+        elif last_name:
+            slug = last_name
+        elif first_name:
+            slug = first_name
+        else:
+            slug = "user_" + keycloak_id
+        # The length limit is 99 but leave some space for modifications that may be added down the line
+        # to filter out invalid characters or to generate a unique name
+        slug = slug[:80]
+        return cls.from_name(slug)
+
     def __true_div__(self, other: "Slug") -> str:
         """Joins two slugs into a path fraction without dashes at the beginning or end."""
         if type(self) is not type(other):

components/renku_data_services/crc/blueprints.py

@@ -16,7 +16,7 @@
 from renku_data_services.crc.db import ResourcePoolRepository, UserRepository
 from renku_data_services.k8s.quota import QuotaRepository
 from renku_data_services.users.db import UserRepo as KcUserRepo
-from renku_data_services.users.models import UserWithNamespace
+from renku_data_services.users.models import UserInfo
 
 
 @dataclass(kw_only=True)
@@ -183,10 +183,10 @@ async def _put_post(
         self, api_user: base_models.APIUser, resource_pool_id: int, body: apispec.PoolUsersWithId, post: bool = True
     ) -> HTTPResponse:
         user_ids_to_add = set([user.id for user in body.root])
-        users_checks: list[UserWithNamespace | None] = await asyncio.gather(
+        users_checks: list[UserInfo | None] = await asyncio.gather(
             *[self.kc_user_repo.get_user(id=id) for id in user_ids_to_add]
         )
-        existing_user_ids = set([user.user.id for user in users_checks if user is not None])
+        existing_user_ids = set([user.id for user in users_checks if user is not None])
         if existing_user_ids != user_ids_to_add:
             missing_ids = user_ids_to_add.difference(existing_user_ids)
             raise errors.MissingResourceError(message=f"The users with IDs {missing_ids} cannot be found")

components/renku_data_services/message_queue/converters.py

@@ -94,38 +94,38 @@ def to_events(
 class _UserEventConverter:
     @staticmethod
     def to_events(
-        user: user_models.UserInfo | user_models.UserWithNamespace | user_models.UserWithNamespaceUpdate,
+        user: user_models.UserInfo | user_models.UserInfoUpdate | str,
         event_type: type[AvroModel] | type[events.AmbiguousEvent],
     ) -> list[Event]:
         match event_type:
             case v2.UserAdded | events.InsertUserNamespace:
-                user = cast(user_models.UserWithNamespace, user)
+                user = cast(user_models.UserInfo, user)
                 return [
                     _make_event(
                         "user.added",
                         v2.UserAdded(
-                            id=user.user.id,
-                            firstName=user.user.first_name,
-                            lastName=user.user.last_name,
-                            email=user.user.email,
+                            id=user.id,
+                            firstName=user.first_name,
+                            lastName=user.last_name,
+                            email=user.email,
                             namespace=user.namespace.slug,
                         ),
                     )
                 ]
             case v2.UserRemoved:
-                user = cast(user_models.UserInfo, user)
-                return [_make_event("user.removed", v2.UserRemoved(id=user.id))]
+                user_id = cast(str, user)
+                return [_make_event("user.removed", v2.UserRemoved(id=user_id))]
             case events.UpdateOrInsertUser:
-                user = cast(user_models.UserWithNamespaceUpdate, user)
+                user = cast(user_models.UserInfoUpdate, user)
                 if user.old is None:
                     return [
                         _make_event(
                             "user.added",
                             v2.UserAdded(
-                                id=user.new.user.id,
-                                firstName=user.new.user.first_name,
-                                lastName=user.new.user.last_name,
-                                email=user.new.user.email,
+                                id=user.new.id,
+                                firstName=user.new.first_name,
+                                lastName=user.new.last_name,
+                                email=user.new.email,
                                 namespace=user.new.namespace.slug,
                             ),
                         )
@@ -135,10 +135,10 @@ def to_events(
                         _make_event(
                             "user.updated",
                             v2.UserUpdated(
-                                id=user.new.user.id,
-                                firstName=user.new.user.first_name,
-                                lastName=user.new.user.last_name,
-                                email=user.new.user.email,
+                                id=user.new.id,
+                                firstName=user.new.first_name,
+                                lastName=user.new.last_name,
+                                email=user.new.email,
                                 namespace=user.new.namespace.slug,
                             ),
                         )
@@ -328,16 +328,16 @@ def to_events(input: _T, event_type: type[AvroModel] | type[events.AmbiguousEven
                 group_authz = cast(list[authz_models.MembershipChange], input)
                 return _GroupAuthzEventConverter.to_events(group_authz)
             case v2.UserAdded:
-                user_with_namespace = cast(user_models.UserWithNamespace, input)
+                user_with_namespace = cast(user_models.UserInfo, input)
                 return _UserEventConverter.to_events(user_with_namespace, event_type)
             case v2.UserRemoved:
-                user_info = cast(user_models.UserInfo, input)
+                user_info = cast(str, input)
                 return _UserEventConverter.to_events(user_info, event_type)
             case events.UpdateOrInsertUser:
-                user_with_namespace_update = cast(user_models.UserWithNamespaceUpdate, input)
+                user_with_namespace_update = cast(user_models.UserInfoUpdate, input)
                 return _UserEventConverter.to_events(user_with_namespace_update, event_type)
             case events.InsertUserNamespace:
-                user_namespaces = cast(list[user_models.UserWithNamespace], input)
+                user_namespaces = cast(list[user_models.UserInfo], input)
                 output: list[Event] = []
                 for namespace in user_namespaces:
                     output.extend(_UserEventConverter.to_events(namespace, event_type))

components/renku_data_services/namespace/db.py

@@ -49,25 +49,27 @@ def __init__(
     @with_db_transaction
     @Authz.authz_change(AuthzOperation.insert_many, ResourceType.user_namespace)
     @dispatch_message(events.InsertUserNamespace)
-    async def generate_user_namespaces(
-        self, *, session: AsyncSession | None = None
-    ) -> list[user_models.UserWithNamespace]:
+    async def generate_user_namespaces(self, *, session: AsyncSession | None = None) -> list[user_models.UserInfo]:
         """Generate user namespaces if the user table has data and the namespaces table is empty."""
         if not session:
             raise errors.ProgrammingError(message="A database session is required")
         # NOTE: lock to make sure another instance of the data service cannot insert/update but can read
-        output: list[user_models.UserWithNamespace] = []
+        output: list[user_models.UserInfo] = []
         await session.execute(text("LOCK TABLE common.namespaces IN EXCLUSIVE MODE"))
         at_least_one_namespace = (await session.execute(select(schemas.NamespaceORM).limit(1))).one_or_none()
         if at_least_one_namespace:
             logger.info("Found at least one user namespace, skipping creation")
-            return output
+            return []
         logger.info("Found zero user namespaces, will try to create them from users table")
         res = await session.scalars(select(user_schemas.UserORM))
         for user in res:
-            ns = await self._insert_user_namespace(session, user, retry_enumerate=10, retry_random=True)
+            slug = base_models.Slug.from_user(user.email, user.first_name, user.last_name, user.keycloak_id)
+            ns = await self._insert_user_namespace(
+                session, user.keycloak_id, slug.value, retry_enumerate=10, retry_random=True
+            )
             logger.info(f"Creating user namespace {ns}")
-            output.append(user_models.UserWithNamespace(user.dump(), ns))
+            user.namespace = ns
+            output.append(user.dump())
         logger.info(f"Created {len(output)} user namespaces")
         return output
 
@@ -329,7 +331,7 @@ async def get_namespaces(
                 output.append(ns_orm.dump())
             return output, group_count
 
-    async def _get_user_namespaces(self) -> AsyncGenerator[user_models.UserWithNamespace, None]:
+    async def _get_user_namespaces(self) -> AsyncGenerator[user_models.UserInfo, None]:
         """Lists all user namespaces without regard for authorization or permissions, used for migrations."""
         async with self.session_maker() as session, session.begin():
             namespaces = await session.stream_scalars(
@@ -379,39 +381,37 @@ async def get_user_namespace(self, user_id: str) -> models.Namespace | None:
                 raise errors.ProgrammingError(message="Found a namespace that has no user associated with it.")
             return ns.dump()
 
+    async def _create_user_namespace_slug(
+        self, session: AsyncSession, user_slug: str, retry_enumerate: int = 0, retry_random: bool = False
+    ) -> str:
+        """Create a valid namespace slug for a user."""
+        nss = await session.scalars(
+            select(schemas.NamespaceORM.slug).where(schemas.NamespaceORM.slug.startswith(user_slug))
+        )
+        nslist = nss.all()
+        if user_slug not in nslist:
+            return user_slug
+        if retry_enumerate:
+            for inc in range(1, retry_enumerate + 1):
+                slug = f"{user_slug}-{inc}"
+                if slug not in nslist:
+                    return slug
+        if retry_random:
+            suffix = "".join([random.choice(string.ascii_lowercase + string.digits) for _ in range(8)])  # nosec B311
+            slug = f"{user_slug}-{suffix}"
+            if slug not in nslist:
+                return slug
+
+        raise errors.ValidationError(message=f"Cannot create generate a unique namespace slug for the user {user_slug}")
+
     async def _insert_user_namespace(
-        self, session: AsyncSession, user: schemas.UserORM, retry_enumerate: int = 0, retry_random: bool = False
-    ) -> models.Namespace:
+        self, session: AsyncSession, user_id: str, user_slug: str, retry_enumerate: int = 0, retry_random: bool = False
+    ) -> schemas.NamespaceORM:
         """Insert a new namespace for the user and optionally retry different variations to avoid collisions."""
-        original_slug = user.to_slug()
-        for inc in range(0, retry_enumerate + 1):
-            # NOTE: on iteration 0 we try with the optimal slug value derived from the user data without any suffix.
-            suffix = ""
-            if inc > 0:
-                suffix = f"-{inc}"
-            slug = base_models.Slug.from_name(original_slug.value.lower() + suffix)
-            ns = schemas.NamespaceORM(slug.value, user_id=user.keycloak_id)
-            try:
-                async with session.begin_nested():
-                    session.add(ns)
-                    await session.flush()
-            except IntegrityError:
-                if retry_enumerate == 0:
-                    raise errors.ValidationError(message=f"The user namespace slug {slug.value} already exists")
-                continue
-            else:
-                await session.refresh(ns)
-                return ns.dump()
-        if not retry_random:
-            raise errors.ValidationError(
-                message=f"Cannot create generate a unique namespace slug for the user with ID {user.keycloak_id}"
-            )
-        # NOTE: At this point the attempts to generate unique ID have ended and the only option is
-        # to add a small random suffix to avoid uniqueness constraints problems
-        suffix = "-" + "".join([random.choice(string.ascii_lowercase + string.digits) for _ in range(8)])  # nosec: B311
-        slug = base_models.Slug.from_name(original_slug.value.lower() + suffix)
-        ns = schemas.NamespaceORM(slug.value, user_id=user.keycloak_id)
+        namespace = await self._create_user_namespace_slug(session, user_slug, retry_enumerate, retry_random)
+        slug = base_models.Slug.from_name(namespace)
+        ns = schemas.NamespaceORM(slug.value, user_id=user_id)
         session.add(ns)
         await session.flush()
         await session.refresh(ns)
-        return ns.dump()
+        return ns

components/renku_data_services/namespace/orm.py

@@ -1,7 +1,7 @@
 """SQLAlchemy's schemas for the group database."""
 
 from datetime import datetime
-from typing import Optional
+from typing import Optional, Self, cast
 
 from sqlalchemy import CheckConstraint, DateTime, MetaData, String, func
 from sqlalchemy.orm import DeclarativeBase, Mapped, MappedAsDataclass, mapped_column, relationship
@@ -11,7 +11,7 @@
 from renku_data_services.base_orm.registry import COMMON_ORM_REGISTRY
 from renku_data_services.errors import errors
 from renku_data_services.namespace import models
-from renku_data_services.users.models import UserInfo, UserWithNamespace
+from renku_data_services.users.models import UserInfo
 from renku_data_services.users.orm import UserORM
 from renku_data_services.utils.sqlalchemy import ULIDType
 
@@ -103,16 +103,33 @@ def dump(self) -> models.Namespace:
             name=name,
         )
 
-    def dump_user(self) -> UserWithNamespace:
+    def dump_user(self) -> UserInfo:
         """Create a user with namespace from the ORM."""
         if self.user is None:
             raise errors.ProgrammingError(
                 message="Cannot dump ORM namespace as namespace with user if the namespace "
                 "has no associated user with it."
             )
         ns = self.dump()
-        user_info = UserInfo(self.user.keycloak_id, self.user.first_name, self.user.last_name, self.user.email)
-        return UserWithNamespace(user_info, ns)
+        user_info = UserInfo(
+            id=self.user.keycloak_id,
+            first_name=self.user.first_name,
+            last_name=self.user.last_name,
+            email=self.user.email,
+            namespace=ns,
+        )
+        return user_info
+
+    @classmethod
+    def load(cls, ns: models.Namespace) -> Self:
+        """Create an ORM object from the user object."""
+        match ns.kind:
+            case models.NamespaceKind.group:
+                return cls(slug=ns.slug, group_id=cast(ULID, ns.underlying_resource_id))
+            case models.NamespaceKind.user:
+                return cls(slug=ns.slug, user_id=cast(str, ns.underlying_resource_id))
+
+        raise errors.ValidationError(message=f"Unknown namespace kind {ns.kind}")
 
 
 class NamespaceOldORM(BaseORM):