Feature/graphql scaffold

backend/graphql_app/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class GraphqlAppConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "graphql_app"

backend/graphql_app/middleware.py

@@ -0,0 +1,5 @@
+class GraphQLAuthMiddleware:
+    def resolve(self, next, root, info, **kwargs):
+        if info.context.user.is_authenticated:
+            return next(root, info, **kwargs)
+        raise Exception("User is not authenticated")

backend/graphql_app/schema.py

@@ -0,0 +1,15 @@
+from graphene import ObjectType, Schema
+
+from source.queries import SourceQueries
+from source.mutations.UpdateOrCreateSourceMutation import UpdateOrCreateSourceMutation
+
+
+class Query(SourceQueries, ObjectType):
+    pass
+
+
+class Mutation(ObjectType):
+    update_or_create_source = UpdateOrCreateSourceMutation.Field()
+
+
+schema = Schema(query=Query, mutation=Mutation)

backend/graphql_app/tests.py

@@ -0,0 +1,58 @@
+from graphene_django.utils.testing import GraphQLTestCase
+
+from source.models import Source
+from user.models import User
+
+
+class GraphQLAuthMiddleWareTestCase(GraphQLTestCase):
+    """
+    Tests for the GraphQLAuthMiddleware
+    """
+
+    GRAPHQL_URL = "/api/graphql"
+
+    SOURCES_QUERY = """
+        query GET_SOURCES {
+            sources {
+                id
+            }
+        }
+    """
+
+    @classmethod
+    def setUpTestData(cls) -> None:
+        cls.user = User.objects.create(
+            username="test", email="test@test.nl", password="test"
+        )
+
+        cls.source = Source.objects.create(
+            name="Test Source",
+            medieval_title="Test Medieval Title",
+            medieval_author="Test Medieval Author",
+            edition_title="Test Edition Title",
+            edition_author="Test Edition Author",
+        )
+
+        return super().setUpTestData()
+
+    def test_middleware_raises_exception_when_user_is_not_authenticated(self):
+        response = self.query(self.SOURCES_QUERY)
+
+        self.assertResponseHasErrors(response)
+
+        content = response.json()
+
+        self.assertEqual(content["errors"][0]["message"], "User is not authenticated")
+
+    def test_middleware_does_not_raise_exception_when_user_is_authenticated(self):
+        self.client.force_login(self.user)
+
+        response = self.query(self.SOURCES_QUERY)
+
+        self.assertResponseNoErrors(response)
+
+        content = response.json()
+
+        # The first Source in the list is the default MISSING_SOURCE.
+        self.assertEqual(len(content["data"]["sources"]), 2)
+        self.assertEqual(content["data"]["sources"][1]["id"], str(self.source.pk))

backend/graphql_app/urls.py

@@ -0,0 +1,11 @@
+from django.conf import settings
+from django.urls import path
+from graphene_django.views import GraphQLView
+from django.views.decorators.csrf import csrf_exempt
+
+# TODO: Handle CSRF correctly.
+urlpatterns = [
+    path(
+        "graphql", csrf_exempt(GraphQLView.as_view(graphiql=settings.ENABLE_GRAPHIQL))
+    ),
+]

backend/lettercraft/settings.py

@@ -52,6 +52,8 @@
     "source",
     "space",
     "user",
+    "graphene_django",
+    "graphql_app",
 ]
 
 MIDDLEWARE = [
@@ -93,6 +95,15 @@
     ]
 }
 
+# GraphQL
+GRAPHENE = {
+    "SCHEMA": "graphql_app.schema.schema",
+    "MIDDLEWARE": [
+        "graphql_app.middleware.GraphQLAuthMiddleware",
+    ],
+}
+ENABLE_GRAPHIQL = DEBUG
+
 # Database
 # https://docs.djangoproject.com/en/3.0/ref/settings/#databases
 

backend/lettercraft/urls.py

@@ -37,7 +37,7 @@
     path("api", RedirectView.as_view(url="/api/", permanent=True)),
     path("api-auth", RedirectView.as_view(url="/api-auth/", permanent=True)),
     path("admin/", admin.site.urls),
-    path("api/", include(api_router.urls)),
+    path("api/", include("graphql_app.urls")),
     path(
         "api-auth/",
         include(

backend/requirements.in

@@ -9,3 +9,5 @@ pytest-django
 pytest-xdist
 dj_rest_auth
 django-allauth
+graphene
+graphene-django

backend/requirements.txt

@@ -2,10 +2,12 @@
 # This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile
+#    pip-compile requirements.in
 #
 --no-binary psycopg2
 
+aniso8601==9.0.1
+    # via graphene
 asgiref==3.7.2
     # via django
 beautifulsoup4==4.12.2
@@ -16,6 +18,8 @@ cffi==1.16.0
     # via cryptography
 charset-normalizer==3.3.2
     # via requests
+colorama==0.4.6
+    # via pytest
 cryptography==42.0.5
     # via pyjwt
 defusedxml==0.7.1
@@ -30,6 +34,7 @@ django==4.2.7
     #   django-livereload-server
     #   django-revproxy
     #   djangorestframework
+    #   graphene-django
 django-allauth==0.61.1
     # via -r requirements.in
 django-livereload-server==0.4
@@ -46,6 +51,21 @@ execnet==2.0.2
     # via pytest-xdist
 faker==23.2.0
     # via -r requirements.in
+graphene==3.3
+    # via
+    #   -r requirements.in
+    #   graphene-django
+graphene-django==3.2.2
+    # via -r requirements.in
+graphql-core==3.2.3
+    # via
+    #   graphene
+    #   graphene-django
+    #   graphql-relay
+graphql-relay==3.2.0
+    # via
+    #   graphene
+    #   graphene-django
 idna==3.7
     # via requests
 iniconfig==2.0.0
@@ -56,12 +76,16 @@ packaging==23.2
     # via pytest
 pluggy==1.3.0
     # via pytest
+promise==2.3
+    # via graphene-django
 psycopg2==2.9.9
     # via -r requirements.in
 pycparser==2.22
     # via cffi
 pyjwt[crypto]==2.8.0
-    # via django-allauth
+    # via
+    #   django-allauth
+    #   pyjwt
 pytest==7.4.3
     # via
     #   -r requirements.in
@@ -86,17 +110,22 @@ requests-oauthlib==2.0.0
 six==1.16.0
     # via
     #   django-livereload-server
+    #   promise
     #   python-dateutil
 soupsieve==2.5
     # via beautifulsoup4
 sqlparse==0.4.4
     # via django
+text-unidecode==1.3
+    # via graphene-django
 tomli==2.0.1
     # via pytest
 tornado==6.3.3
     # via django-livereload-server
 typing-extensions==4.8.0
     # via asgiref
+tzdata==2024.1
+    # via django
 urllib3==2.0.7
     # via
     #   django-revproxy

backend/source/mutations/UpdateOrCreateSourceMutation.py

@@ -0,0 +1,40 @@
+from graphene import ID, Field, InputObjectType, List, Mutation, ResolveInfo, String
+
+from source.models import Source
+from source.types.SourceType import SourceType
+
+
+class UpdateCreateSourceInput(InputObjectType):
+    id = ID()
+    name = String(required=True)
+    edition_author = String()
+    edition_title = String()
+    medieval_author = String()
+    medieval_title = String()
+
+
+class UpdateOrCreateSourceMutation(Mutation):
+    source = Field(SourceType)
+    errors = List(String)
+
+    class Arguments:
+        input = UpdateCreateSourceInput(required=True)
+
+    @classmethod
+    def mutate(cls, root: None, info: ResolveInfo, input: UpdateCreateSourceInput):
+        source_id = getattr(input, "id", None)
+
+        if source_id:
+            try:
+                source = SourceType.get_queryset(Source.objects, info).get(pk=source_id)
+            except Source.DoesNotExist:
+                return cls(errors=["Source not found."])  # type: ignore
+        else:
+            source = Source()
+
+        for field, value in input.items():  # type: ignore
+            setattr(source, field, value)
+
+        source.save()
+
+        return cls(source=source)  # type: ignore

backend/source/queries.py

@@ -0,0 +1,8 @@
+from graphene import ObjectType
+from graphene_django import DjangoListField
+
+from source.types.SourceType import SourceType
+
+
+class SourceQueries(ObjectType):
+    sources = DjangoListField(SourceType)

backend/source/types/SourceType.py

@@ -0,0 +1,15 @@
+from graphene import ResolveInfo
+from django.db.models import QuerySet
+from graphene_django import DjangoObjectType
+from source.models import Source
+
+
+class SourceType(DjangoObjectType):
+    class Meta:
+        model = Source
+
+    @classmethod
+    def get_queryset(
+        cls, queryset: QuerySet[Source], info: ResolveInfo
+    ) -> QuerySet[Source]:
+        return queryset.all()

frontend/.gitignore

@@ -40,3 +40,6 @@ testem.log
 # System files
 .DS_Store
 Thumbs.db
+
+# Generated files
+/generated/*.*

frontend/codegen.ts

@@ -0,0 +1,28 @@
+import type { CodegenConfig } from '@graphql-codegen/cli'
+
+const config: CodegenConfig = {
+    schema: 'http://localhost:8000/api/graphql',
+    generates: {
+        './generated/graphql.ts': {
+            plugins: [
+                'typescript',
+                'typescript-operations',
+                'typescript-apollo-angular'
+            ],
+            config: {
+                addExplicitOverride: true
+            }
+        },
+        './generated/schema.graphql': {
+        plugins: ['schema-ast']
+        }
+    },
+    ignoreNoDocuments: true,
+    documents: [
+      "src/**/*.ts",
+      "src/**/*.graphql",
+    ],
+}
+
+export default config
+

frontend/package.json

@@ -12,7 +12,8 @@
     "stop": "lsof -t -i tcp:4200 | xargs kill -9 || echo \"not running\"",
     "pretest": "yarn prebuild",
     "watch-test": "ng test --watch=true",
-    "lint": "ng lint"
+    "lint": "ng lint",
+    "codegen": "yarn graphql-codegen --verbose --watch"
   },
   "private": true,
   "dependencies": {
@@ -24,15 +25,18 @@
     "@angular/platform-browser": "^16.2.12",
     "@angular/platform-browser-dynamic": "^16.2.12",
     "@angular/router": "^16.2.12",
+    "@apollo/client": "^3.0.0",
     "@fortawesome/angular-fontawesome": "^0.13",
     "@fortawesome/fontawesome-svg-core": "^6.2.1",
     "@fortawesome/free-solid-svg-icons": "^6.2.1",
     "@ng-bootstrap/ng-bootstrap": "^15.0.0",
     "@ngrx/effects": "^16.0.0",
     "@ngrx/store": "^16.0.0",
     "@popperjs/core": "^2.11.6",
+    "apollo-angular": "5.0.2",
     "bootstrap": "^5.2.3",
     "colors": "^1.4.0",
+    "graphql": "^16",
     "rxjs": "~7.8.0",
     "tslib": "^2.3.0",
     "underscore": "^1.13.6",
@@ -48,6 +52,9 @@
     "@angular/cli": "~16.2.10",
     "@angular/compiler-cli": "^16.2.12",
     "@angular/localize": "^16.2.12",
+    "@graphql-codegen/cli": "^5.0.2",
+    "@graphql-codegen/typescript-apollo-angular": "^4.0.0",
+    "@parcel/watcher": "^2.4.1",
     "@types/jasmine": "~4.3.0",
     "@types/underscore": "^1.11.15",
     "@typescript-eslint/eslint-plugin": "5.62.0",
@@ -61,4 +68,4 @@
     "karma-jasmine-html-reporter": "~2.0.0",
     "typescript": "~4.9.4"
   }
-}
+}

frontend/src/app/app.module.ts

@@ -7,6 +7,8 @@ import { HomeComponent } from './home/home.component';
 import { SharedModule } from './shared/shared.module';
 import { CoreModule } from './core/core.module';
 import { UserModule } from './user/user.module';
+import { GraphQLModule } from './graphql.module';
+import { HttpClientModule } from '@angular/common/http';
 
 @NgModule({
     declarations: [
@@ -18,6 +20,8 @@ import { UserModule } from './user/user.module';
         SharedModule,
         CoreModule,
         UserModule,
+        GraphQLModule,
+        HttpClientModule,
     ],
     providers: [],
     bootstrap: [AppComponent]