feat: festival/series model with sub-events, cross-event sections, tab navigation, SectionsShiftsPanel extraction

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

api/app/Http/Controllers/Api/V1/EventController.php

@@ -63,7 +63,7 @@ final class EventController extends Controller
         }
 
         if (!isset($data['event_type'])) {
-            $data['event_type'] = empty($data['parent_event_id']) ? 'event' : 'event';
+            $data['event_type'] = 'event';
         }
 
         $event = $organisation->events()->create($data);
@@ -80,6 +80,39 @@ final class EventController extends Controller
         return $this->success(new EventResource($event->fresh()));
     }
 
+    public function destroy(Organisation $organisation, Event $event): JsonResponse
+    {
+        Gate::authorize('delete', [$event, $organisation]);
+
+        $event->delete();
+
+        return $this->success(null, 'Event deleted');
+    }
+
+    public function transition(Request $request, Organisation $organisation, Event $event): JsonResponse
+    {
+        Gate::authorize('update', [$event, $organisation]);
+
+        $request->validate(['status' => 'required|string']);
+        $newStatus = $request->status;
+
+        $result = $event->canTransitionToWithPrerequisites($newStatus);
+
+        if (! empty($result['errors'])) {
+            return response()->json([
+                'message' => 'Status transition not possible.',
+                'errors' => $result['errors'],
+                'current_status' => $event->status,
+                'requested_status' => $newStatus,
+                'allowed_transitions' => Event::STATUS_TRANSITIONS[$event->status] ?? [],
+            ], 422);
+        }
+
+        $event->transitionTo($newStatus);
+
+        return $this->success(new EventResource($event->fresh()));
+    }
+
     public function children(Organisation $organisation, Event $event): AnonymousResourceCollection
     {
         Gate::authorize('view', [$event, $organisation]);

api/app/Http/Controllers/Api/V1/FestivalSectionController.php

@@ -23,6 +23,17 @@ final class FestivalSectionController extends Controller
 
         $sections = $event->festivalSections()->ordered()->get();
 
+        // For sub-events, also include cross_event sections from the parent festival
+        if ($event->isSubEvent()) {
+            $parentCrossEventSections = $event->parent
+                ->festivalSections()
+                ->where('type', 'cross_event')
+                ->ordered()
+                ->get();
+
+            $sections = $parentCrossEventSections->merge($sections)->sortBy('sort_order')->values();
+        }
+
         return FestivalSectionResource::collection($sections);
     }
 
@@ -30,9 +41,39 @@ final class FestivalSectionController extends Controller
     {
         Gate::authorize('create', [FestivalSection::class, $event]);
 
-        $section = $event->festivalSections()->create($request->validated());
+        $data = $request->validated();
+        $redirectedToParent = false;
 
-        return $this->created(new FestivalSectionResource($section));
+        if (($data['type'] ?? 'standard') === 'cross_event') {
+            if ($event->isFlatEvent()) {
+                return $this->error(
+                    'Overkoepelende secties kunnen alleen worden aangemaakt bij festivals met programmaonderdelen.',
+                    422,
+                );
+            }
+
+            if ($event->isSubEvent()) {
+                $event = $event->parent;
+                Gate::authorize('create', [FestivalSection::class, $event]);
+                $redirectedToParent = true;
+            }
+        }
+
+        $section = $event->festivalSections()->create($data);
+
+        $response = $this->created(new FestivalSectionResource($section));
+
+        if ($redirectedToParent) {
+            $original = $response->getData(true);
+            $original['meta'] = [
+                'redirected_to_parent' => true,
+                'parent_event_name' => $event->name,
+            ];
+
+            return response()->json($original, 201);
+        }
+
+        return $response;
     }
 
     public function update(UpdateFestivalSectionRequest $request, Event $event, FestivalSection $section): JsonResponse
@@ -57,10 +98,10 @@ final class FestivalSectionController extends Controller
     {
         Gate::authorize('reorder', [FestivalSection::class, $event]);
 
-        foreach ($request->validated('sections') as $item) {
+        foreach ($request->validated('sections') as $index => $id) {
             $event->festivalSections()
-                ->where('id', $item['id'])
-                ->update(['sort_order' => $item['sort_order']]);
+                ->where('id', $id)
+                ->update(['sort_order' => $index]);
         }
 
         $sections = $event->festivalSections()->ordered()->get();

api/app/Http/Controllers/Api/V1/ShiftController.php

@@ -26,6 +26,7 @@ final class ShiftController extends Controller
 
         $shifts = $section->shifts()
             ->with(['timeSlot', 'location'])
+            ->withCount(['shiftAssignments as filled_slots' => fn ($q) => $q->where('status', 'approved')])
             ->get();
 
         return ShiftResource::collection($shifts);
@@ -84,13 +85,11 @@ final class ShiftController extends Controller
             }
         }
 
-        $autoApprove = $section->crew_auto_accepts;
-
         $assignment = $shift->shiftAssignments()->create([
             'person_id' => $personId,
             'time_slot_id' => $shift->time_slot_id,
-            'status' => $autoApprove ? 'approved' : 'approved',
-            'auto_approved' => $autoApprove,
+            'status' => 'approved',
+            'auto_approved' => false,
             'assigned_by' => $request->user()->id,
             'assigned_at' => now(),
             'approved_at' => now(),