Recursive filter #181

src/cpl-graphql/cpl/graphql/auth/administration/auth_user_filter.py

@@ -0,0 +1,11 @@
+from cpl.auth.schema import AuthUser
+from cpl.graphql.schema.filter.db_model_filter import DbModelFilter
+from cpl.graphql.schema.filter.string_filter import StringFilter
+
+
+class AuthUserFilter(DbModelFilter[AuthUser]):
+    def __init__(self, public: bool = False):
+        DbModelFilter.__init__(self, public)
+
+        self.field("username", StringFilter).with_public(public)
+        self.field("email", StringFilter).with_public(public)

src/cpl-graphql/cpl/graphql/auth/graphql_auth_module.py

@@ -1,6 +1,7 @@
 from cpl.dependency.module.module import Module
+from cpl.graphql.auth.administration.auth_user_filter import AuthUserFilter
 from cpl.graphql.auth.administration.auth_user_graph_type import AuthUserGraphType
 
 
 class GraphQLAuthModule(Module):
-    transient = [AuthUserGraphType]
+    transient = [AuthUserGraphType, AuthUserFilter]

src/cpl-graphql/cpl/graphql/schema/filter/db_model_filter.py

@@ -1,12 +1,10 @@
-from typing import Type, Generic
+from typing import Generic
 
 from cpl.core.typing import T
 from cpl.graphql.schema.filter.bool_filter import BoolFilter
 from cpl.graphql.schema.filter.date_filter import DateFilter
 from cpl.graphql.schema.filter.filter import Filter
 from cpl.graphql.schema.filter.int_filter import IntFilter
-from cpl.graphql.schema.filter.string_filter import StringFilter
-from cpl.graphql.schema.input import Input
 
 
 class DbModelFilter(Filter[T], Generic[T]):
@@ -15,6 +13,8 @@ class DbModelFilter(Filter[T], Generic[T]):
 
         self.field("id", IntFilter).with_public(public)
         self.field("deleted", BoolFilter).with_public(public)
-        # self.field("editor", AuthUserFilter)
+        from cpl.graphql.auth.administration.auth_user_filter import AuthUserFilter
+
+        self.field("editor", lambda: AuthUserFilter).with_public(public)
         self.field("created", DateFilter).with_public(public)
         self.field("updated", DateFilter).with_public(public)

src/cpl-graphql/cpl/graphql/schema/input.py

@@ -1,8 +1,10 @@
+import types
 from typing import Generic, Dict, Type, Optional, Union, Any
 
 import strawberry
 
 from cpl.core.typing import T
+from cpl.dependency import get_provider
 from cpl.graphql.abc.strawberry_protocol import StrawberryProtocol
 from cpl.graphql.schema.field import Field
 from cpl.graphql.typing import AttributeName
@@ -39,7 +41,7 @@ class Input(StrawberryProtocol, Generic[T]):
     def get_fields(self) -> dict[str, Field]:
         return self._fields
 
-    def field(self, name: AttributeName, typ: Union[type, "Input"], optional: bool = True) -> Field:
+    def field(self, name: AttributeName, typ: type, optional: bool = True) -> Field:
         if isinstance(name, property):
             name = name.fget.__name__
 
@@ -62,6 +64,9 @@ class Input(StrawberryProtocol, Generic[T]):
         return self.field(name, list[t], optional)
 
     def object_field(self, name: AttributeName, t: Type[StrawberryProtocol], optional: bool = True) -> Field:
+        if not isinstance(t, type) and callable(t):
+            return self.field(name, t, optional)
+
         return self.field(name, t().to_strawberry(), optional)
 
     def to_strawberry(self) -> Type:
@@ -69,20 +74,28 @@ class Input(StrawberryProtocol, Generic[T]):
         if TypeCollector.has(cls):
             return TypeCollector.get(cls)
 
-        annotations = {}
+        gql_cls = type(f"{cls.__name__.replace('GraphType', '')}", (), {})
-        namespace = {}
+        # register early to handle recursive types
+        TypeCollector.set(cls, gql_cls)
+
+        annotations: dict[str, Any] = {}
+        namespace: dict[str, Any] = {}
 
         for name, f in self._fields.items():
-            typ = f.type
+            t = f.type
-            if isinstance(typ, type) and issubclass(typ, Input):
-                typ = typ().to_strawberry()
-            elif isinstance(typ, Input):
-                typ = typ.to_strawberry()
 
-            ann = typ if not f.optional else Optional[typ]
+            if isinstance(t, types.FunctionType):
+                _t = get_provider().get_service(t())
+                if _t is None:
+                    raise ValueError(f"'{t()}' could not be resolved from the provider")
+                t = _t.to_strawberry()
+            elif isinstance(t, type) and issubclass(t, Input):
+                t = t().to_strawberry()
+            elif isinstance(t, Input):
+                t = t.to_strawberry()
 
             py_name = name + "_" if name in _PYTHON_KEYWORDS else name
-            annotations[py_name] = ann
+            annotations[py_name] = t if not f.optional else Optional[t]
 
             field_args = {}
             if py_name != name:
@@ -93,6 +106,10 @@ class Input(StrawberryProtocol, Generic[T]):
 
         namespace["__annotations__"] = annotations
 
-        gql_type = strawberry.input(type(f"{cls.__name__}", (), namespace))
+        for k, v in namespace.items():
+            setattr(gql_cls, k, v)
+
+        gql_cls.__annotations__ = annotations
+        gql_type = strawberry.input(gql_cls)
         TypeCollector.set(cls, gql_type)
         return gql_type