Fetch single artefact on artefact page

frontend/lib/providers/artefact.dart

@@ -0,0 +1,29 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import '../models/artefact.dart' as artefact_model;
+import 'api.dart';
+
+part 'artefact.g.dart';
+
+@riverpod
+class Artefact extends _$Artefact {
+  @override
+  Future<artefact_model.Artefact> build(int artefactId) {
+    final api = ref.watch(apiProvider);
+    return api.getArtefact(artefactId);
+  }
+
+  Future<void> changeArtefactStatus(
+    id,
+    artefact_model.ArtefactStatus status,
+  ) async {
+    final api = ref.read(apiProvider);
+    final artefact = await api.changeArtefactStatus(artefactId, status);
+    state = AsyncData(artefact);
+  }
+
+  Future<void> updateCompletedTestExecutionsCount(int count) async {
+    final artefact = await future;
+    state = AsyncData(artefact.copyWith(completedTestExecutionsCount: count));
+  }
+}

frontend/lib/providers/family_artefacts.dart

@@ -7,35 +7,10 @@ import 'api.dart';
 part 'family_artefacts.g.dart';
 
 @riverpod
-class FamilyArtefacts extends _$FamilyArtefacts {
-  @override
-  Future<Map<int, Artefact>> build(FamilyName family) async {
-    final api = ref.watch(apiProvider);
-    return api.getFamilyArtefacts(family);
-  }
-
-  Future<void> changeArtefactStatus(
-    int artefactId,
-    ArtefactStatus newStatus,
-  ) async {
-    final api = ref.read(apiProvider);
-    final artefact = await api.changeArtefactStatus(artefactId, newStatus);
-
-    final previousState = await future;
-    state = AsyncData({...previousState, artefact.id: artefact});
-  }
-
-  Future<void> updateCompletedTestExecutionsCount(
-    int artefactId,
-    int count,
-  ) async {
-    final previousState = await future;
-    final artefact = previousState[artefactId];
-    if (artefact != null) {
-      state = AsyncData({
-        ...previousState,
-        artefactId: artefact.copyWith(completedTestExecutionsCount: count),
-      });
-    }
-  }
+Future<Map<int, Artefact>> familyArtefacts(
+  FamilyArtefactsRef ref,
+  FamilyName family,
+) {
+  final api = ref.watch(apiProvider);
+  return api.getFamilyArtefacts(family);
 }

frontend/lib/providers/review_test_execution.dart

@@ -1,9 +1,8 @@
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
-import '../models/family_name.dart';
 import '../models/test_execution.dart';
+import 'artefact.dart';
 import 'artefact_builds.dart';
-import 'family_artefacts.dart';
 
 part 'review_test_execution.g.dart';
 
@@ -18,7 +17,6 @@ class ReviewTestExecution extends _$ReviewTestExecution {
     int testExecutionId,
     String reviewComment,
     List<TestExecutionReviewDecision> reviewDecision,
-    FamilyName familyName,
     int artefactId,
   ) async {
     await ref
@@ -41,10 +39,7 @@ class ReviewTestExecution extends _$ReviewTestExecution {
         .fold(0, (a, b) => a + b);
 
     await ref
-        .read(familyArtefactsProvider(familyName).notifier)
-        .updateCompletedTestExecutionsCount(
-          artefactId,
-          newCompletedTestExecutionsCount,
-        );
+        .read(artefactProvider(artefactId).notifier)
+        .updateCompletedTestExecutionsCount(newCompletedTestExecutionsCount);
   }
 }

frontend/lib/repositories/api_repository.dart

@@ -125,4 +125,9 @@ class ApiRepository {
   Future<void> deleteTestIssue(int issueId) async {
     await dio.delete('/v1/test-cases/reported-issues/$issueId');
   }
+
+  Future<Artefact> getArtefact(int artefactId) async {
+    final response = await dio.get('/v1/artefacts/$artefactId');
+    return Artefact.fromJson(response.data);
+  }
 }

frontend/lib/ui/artefact_page/artefact_page.dart

@@ -2,9 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:yaru/widgets.dart';
 
-import '../../providers/family_artefacts.dart';
-import '../../routing.dart';
-import '../dialog_header.dart';
+import '../../providers/artefact.dart';
 import '../spacing.dart';
 import 'artefact_page_body.dart';
 import 'artefact_page_header.dart';
@@ -15,34 +13,17 @@ class ArtefactPage extends ConsumerWidget {
 
   final int artefactId;
 
-  Column get _invalidArtefactErrorMessage {
-    return const Column(
-      children: [
-        DialogHeader(),
-        Expanded(
-          child: Center(
-            child: Text('Artefact not found. It may be that a'
-                ' newer version has been released already'),
-          ),
-        ),
-      ],
-    );
-  }
-
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final family = AppRoutes.familyFromUri(AppRoutes.uriFromContext(context));
-    final artefacts = ref.watch(familyArtefactsProvider(family));
+    final artefact = ref.watch(artefactProvider(artefactId));
     return Padding(
       padding: const EdgeInsets.only(
         left: Spacing.pageHorizontalPadding,
         right: Spacing.pageHorizontalPadding,
         top: Spacing.level5,
       ),
-      child: artefacts.when(
-        data: (artefacts) {
-          final artefact = artefacts[artefactId];
-          if (artefact == null) return _invalidArtefactErrorMessage;
+      child: artefact.when(
+        data: (artefact) {
           return Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [

frontend/lib/ui/artefact_page/artefact_signoff_button.dart

@@ -3,8 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:yaru/widgets.dart';
 
 import '../../models/artefact.dart';
-import '../../providers/family_artefacts.dart';
-import '../../routing.dart';
+import '../../providers/artefact.dart' hide Artefact;
 
 class ArtefactSignoffButton extends ConsumerWidget {
   const ArtefactSignoffButton({super.key, required this.artefact});
@@ -14,7 +13,6 @@ class ArtefactSignoffButton extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final fontStyle = Theme.of(context).textTheme.titleMedium;
-    final family = AppRoutes.familyFromUri(AppRoutes.uriFromContext(context));
 
     return YaruPopupMenuButton(
       child: Text(
@@ -26,7 +24,7 @@ class ArtefactSignoffButton extends ConsumerWidget {
             (status) => PopupMenuItem(
               value: status,
               onTap: () => ref
-                  .read(familyArtefactsProvider(family).notifier)
+                  .read(artefactProvider(artefact.id).notifier)
                   .changeArtefactStatus(artefact.id, status),
               child: Text(
                 status.name,

frontend/lib/ui/artefact_page/test_execution_pop_over.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:yaru/widgets.dart';
 
-import '../../models/family_name.dart';
 import '../../models/test_execution.dart';
 import '../../providers/review_test_execution.dart';
 import '../spacing.dart';
@@ -13,12 +12,10 @@ class TestExecutionPopOver extends ConsumerStatefulWidget {
     super.key,
     required this.testExecution,
     required this.artefactId,
-    required this.family,
   });
 
   final TestExecution testExecution;
   final int artefactId;
-  final FamilyName family;
 
   @override
   TestExecutionPopOverState createState() => TestExecutionPopOverState();
@@ -117,7 +114,6 @@ class TestExecutionPopOverState extends ConsumerState<TestExecutionPopOver> {
                   widget.testExecution.id,
                   reviewCommentController.text,
                   reviewDecisions,
-                  widget.family,
                   widget.artefactId,
                 );
             Navigator.pop(context);

frontend/lib/ui/artefact_page/test_execution_review.dart

@@ -37,7 +37,6 @@ class TestExecutionReviewButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final family = AppRoutes.familyFromUri(AppRoutes.uriFromContext(context));
     final artefactId =
         AppRoutes.artefactIdFromUri(AppRoutes.uriFromContext(context));
     return GestureDetector(
@@ -47,7 +46,6 @@ class TestExecutionReviewButton extends StatelessWidget {
           bodyBuilder: (context) => TestExecutionPopOver(
             testExecution: testExecution,
             artefactId: artefactId,
-            family: family,
           ),
           direction: PopoverDirection.bottom,
           width: 500,