feat(event): implement admin date creation, rescheduling, and cancellation endpoints

app/Domains/Event/Controllers/AdminApp/EventController.php

@@ -2,7 +2,11 @@
 
 namespace App\Domains\Event\Controllers\AdminApp;
 
+use App\Domains\Event\Models\EventDate;
+use App\Domains\Event\Requests\RescheduleEventDateRequest;
+use App\Domains\Event\Requests\StoreEventDateRequest;
 use App\Domains\Event\Requests\UpdateEventRequest;
+use App\Domains\Event\Resources\EventDateResource;
 use App\Domains\Event\Resources\EventResource;
 use App\Domains\Event\Services\EventService;
 use App\Http\Controllers\Controller;
@@ -28,4 +32,37 @@ class EventController extends Controller
             )
         );
     }
+
+    public function storeDate(StoreEventDateRequest $request): EventDateResource
+    {
+        return EventDateResource::make(
+            $this->eventService->createDateForTenant(
+                $request->user()->tenant()->firstOrFail(),
+                $request->validated(),
+            )
+        );
+    }
+
+    public function rescheduleDate(
+        RescheduleEventDateRequest $request,
+        EventDate $eventDate,
+    ): EventDateResource {
+        return EventDateResource::make(
+            $this->eventService->rescheduleDateForTenant(
+                $request->user()->tenant()->firstOrFail(),
+                $eventDate,
+                $request->validated(),
+            )
+        );
+    }
+
+    public function cancelDate(Request $request, EventDate $eventDate): EventDateResource
+    {
+        return EventDateResource::make(
+            $this->eventService->cancelDateForTenant(
+                $request->user()->tenant()->firstOrFail(),
+                $eventDate,
+            )
+        );
+    }
 }

app/Domains/Event/Requests/RescheduleEventDateRequest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Domains\Event\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class RescheduleEventDateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, mixed> */
+    public function rules(): array
+    {
+        return [
+            'date' => ['required', 'date_format:Y-m-d'],
+        ];
+    }
+}

app/Domains/Event/Requests/StoreEventDateRequest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Domains\Event\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class StoreEventDateRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /** @return array<string, mixed> */
+    public function rules(): array
+    {
+        return [
+            'date' => ['required', 'date_format:Y-m-d'],
+            'start_time' => ['required', 'date_format:H:i'],
+            'end_time' => ['required', 'date_format:H:i'],
+        ];
+    }
+}

app/Domains/Event/Requests/UpdateEventRequest.php

@@ -19,11 +19,6 @@ class UpdateEventRequest extends FormRequest
         return [
             'title' => ['required', 'string', 'max:255'],
             'location' => ['required', 'string', 'max:255'],
-            'dates' => ['required', 'array', 'min:1'],
-            'dates.*' => ['required', 'array:date,start_time,end_time'],
-            'dates.*.date' => ['required', 'date_format:Y-m-d', 'distinct'],
-            'dates.*.start_time' => ['required', 'date_format:H:i'],
-            'dates.*.end_time' => ['required', 'date_format:H:i'],
             'social_media' => ['sometimes', 'array'],
             'social_media.*' => ['required', 'array:code,url,orden'],
             'social_media.*.code' => [

app/Domains/Event/Resources/EventDateResource.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Domains\Event\Resources;
+
+use App\Domains\Event\Models\EventDate;
+use App\Domains\Ticket\Resources\ValidityTimeResource;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/** @mixin EventDate */
+class EventDateResource extends JsonResource
+{
+    /** @return array<string, mixed> */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'validity_time_id' => $this->validity_time_id,
+            'validity_time' => ValidityTimeResource::make($this->whenLoaded('validityTime')),
+            'date' => $this->date->format('Y-m-d'),
+            'start_time' => substr($this->time_start, 0, 5),
+            'end_time' => substr($this->time_end, 0, 5),
+            'status' => $this->status->value,
+            'rescheduled_to_event_date_id' => $this->rescheduled_to_event_date_id,
+            'cancelled_at' => $this->cancelled_at?->toISOString(),
+        ];
+    }
+}

app/Domains/Event/Resources/EventResource.php

@@ -3,7 +3,6 @@
 namespace App\Domains\Event\Resources;
 
 use App\Domains\Tenant\Models\Tenant;
-use App\Domains\Ticket\Resources\ValidityTimeResource;
 use Illuminate\Http\Request;
 use Illuminate\Http\Resources\Json\JsonResource;
 
@@ -19,14 +18,7 @@ class EventResource extends JsonResource
             'id' => $this->id,
             'title' => $this->event_title,
             'location' => $this->event_location,
-            'dates' => $this->eventDates->map(fn ($eventDate): array => [
-                'id' => $eventDate->id,
-                'validity_time_id' => $eventDate->validity_time_id,
-                'validity_time' => ValidityTimeResource::make($eventDate->validityTime),
-                'date' => $eventDate->date->format('Y-m-d'),
-                'start_time' => substr($eventDate->time_start, 0, 5),
-                'end_time' => substr($eventDate->time_end, 0, 5),
-            ])->values(),
+            'dates' => EventDateResource::collection($this->eventDates),
             'social_media' => $this->socialMedia->map(fn ($item): array => [
                 'code' => $item->code,
                 'url' => $item->pivot->url,

app/Domains/Event/Services/EventService.php

@@ -2,7 +2,10 @@
 
 namespace App\Domains\Event\Services;
 
+use App\Domains\Catalog\Models\Variant;
+use App\Domains\Event\Models\EventDate;
 use App\Domains\Tenant\Models\Tenant;
+use App\Domains\Ticket\Models\Ticket;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Validation\ValidationException;
 
@@ -14,6 +17,10 @@ class EventService
         'facebook_url' => 'facebook',
     ];
 
+    public function __construct(
+        private readonly EffectiveEventDateResolver $effectiveEventDateResolver,
+    ) {}
+
     public function forTenant(Tenant $tenant): Tenant
     {
         return $tenant->load(['eventDates.validityTime', 'socialMedia']);
@@ -29,7 +36,6 @@ class EventService
                 'event_location' => $data['location'],
             ]);
 
-            $this->syncDates($tenant, $data['dates']);
             if (array_key_exists('social_media', $data)) {
                 $this->syncSocialMedia($tenant, $data['social_media']);
             } else {
@@ -40,41 +46,185 @@ class EventService
         });
     }
 
-    /** @param array<int, array{date: string, start_time: string, end_time: string}> $dates */
-    private function syncDates(Tenant $tenant, array $dates): void
+    /** @param array{date: string, start_time: string, end_time: string} $data */
+    public function createDateForTenant(Tenant $tenant, array $data): EventDate
     {
-        $existingDates = $tenant->eventDates()->get()->values();
+        return DB::transaction(function () use ($tenant, $data): EventDate {
+            $attributes = $this->dateAttributes($data);
 
-        foreach (array_values($dates) as $index => $date) {
-            $attributes = [
-                'date' => $date['date'],
-                'time_start' => $date['start_time'],
-                'time_end' => $date['end_time'],
-            ];
+            if ($tenant->eventDates()->where($attributes)->exists()) {
+                throw ValidationException::withMessages([
+                    'date' => ['La fecha y el horario ya existen.'],
+                ]);
+            }
 
-            $existingDate = $existingDates->get($index);
+            return $tenant->eventDates()->create($attributes)->load('validityTime');
+        });
+    }
 
-            if ($existingDate) {
-                $existingDate->update($attributes);
-            } else {
-                $tenant->eventDates()->create($attributes);
+    /** @param array{date: string} $data */
+    public function rescheduleDateForTenant(Tenant $tenant, EventDate $eventDate, array $data): EventDate
+    {
+        return DB::transaction(function () use ($tenant, $eventDate, $data): EventDate {
+            $source = $this->lockedDateForTenant($tenant, $eventDate);
+
+            if ($source->cancelled_at !== null) {
+                throw ValidationException::withMessages([
+                    'event_date' => ['No se puede reprogramar una fecha cancelada.'],
+                ]);
+            }
+
+            if ($source->rescheduled_to_event_date_id !== null) {
+                throw ValidationException::withMessages([
+                    'event_date' => ['La fecha ya fue reprogramada.'],
+                ]);
+            }
+
+            $destination = $tenant->eventDates()
+                ->whereDate('date', $data['date'])
+                ->lockForUpdate()
+                ->first();
+
+            if ($destination === null) {
+                $destination = $tenant->eventDates()->create([
+                    'date' => $data['date'],
+                    'time_start' => $source->time_start,
+                    'time_end' => $source->time_end,
+                ]);
+            }
+
+            if ($destination->is($source) || $this->chainContains($destination, $source)) {
+                throw ValidationException::withMessages([
+                    'date' => ['La reprogramación generaría una referencia circular.'],
+                ]);
+            }
+
+            if ($this->effectiveEventDateResolver->resolve($destination) === null) {
+                throw ValidationException::withMessages([
+                    'date' => ['La fecha de destino no es utilizable.'],
+                ]);
+            }
+
+            $source->update(['rescheduled_to_event_date_id' => $destination->getKey()]);
+
+            return $source->fresh(['validityTime', 'rescheduledTo.validityTime']);
+        });
+    }
+
+    public function cancelDateForTenant(Tenant $tenant, EventDate $eventDate): EventDate
+    {
+        return DB::transaction(function () use ($tenant, $eventDate): EventDate {
+            $date = $this->lockedDateForTenant($tenant, $eventDate);
+
+            if ($date->rescheduled_to_event_date_id !== null) {
+                throw ValidationException::withMessages([
+                    'event_date' => ['No se puede cancelar una fecha que ya fue reprogramada.'],
+                ]);
+            }
+
+            if ($date->cancelled_at !== null) {
+                return $date->load('validityTime');
+            }
+
+            $date->update(['cancelled_at' => now()]);
+            $this->disableTicketsWithoutUsableDates($tenant, $date);
+
+            return $date->fresh('validityTime');
+        });
+    }
+
+    private function lockedDateForTenant(Tenant $tenant, EventDate $eventDate): EventDate
+    {
+        return $tenant->eventDates()
+            ->whereKey($eventDate->getKey())
+            ->lockForUpdate()
+            ->firstOrFail();
+    }
+
+    private function chainContains(EventDate $start, EventDate $expected): bool
+    {
+        $current = $start;
+        $visited = [];
+
+        while ($current->rescheduled_to_event_date_id !== null) {
+            if ($current->is($expected)) {
+                return true;
+            }
+
+            if (isset($visited[$current->getKey()])) {
+                return true;
+            }
+
+            $visited[$current->getKey()] = true;
+            $current = $current->rescheduledTo()->lockForUpdate()->first();
+
+            if ($current === null) {
+                return false;
             }
         }
 
-        $datesToDelete = $existingDates->slice(count($dates));
+        return $current->is($expected);
+    }
 
-        if ($datesToDelete->contains(fn ($eventDate): bool => $eventDate
-            ->selectedByVariants()
-            ->whereHas('sourceTickets')
-            ->exists()
-            || $eventDate->variants()->whereHas('sourceTickets')->exists())) {
-            throw ValidationException::withMessages([
-                'dates' => ['No se puede eliminar una fecha utilizada por tickets generados.'],
-            ]);
+    private function disableTicketsWithoutUsableDates(Tenant $tenant, EventDate $cancelledDate): void
+    {
+        $affectedDateIds = collect([$cancelledDate->getKey()]);
+        $frontier = $affectedDateIds;
+
+        while ($frontier->isNotEmpty()) {
+            $predecessors = $tenant->eventDates()
+                ->whereIn('rescheduled_to_event_date_id', $frontier)
+                ->pluck('id')
+                ->diff($affectedDateIds)
+                ->values();
+            $affectedDateIds = $affectedDateIds->merge($predecessors)->unique()->values();
+            $frontier = $predecessors;
         }
 
-        $datesToDelete->each->delete();
-        $tenant->unsetRelation('eventDates');
+        $variants = Variant::withTrashed()
+            ->where(function ($query) use ($affectedDateIds): void {
+                $query->whereIn('event_date_id', $affectedDateIds)
+                    ->orWhereHas('eventDates', fn ($eventDates) => $eventDates
+                        ->whereIn('event_dates.id', $affectedDateIds));
+            })
+            ->with(['eventDates', 'eventDate'])
+            ->get();
+
+        foreach ($variants as $variant) {
+            $hasUsableDate = $variant->selectedEventDates()->contains(
+                fn (EventDate $candidate): bool => $this->effectiveEventDateResolver->resolve($candidate) !== null
+            );
+
+            if ($hasUsableDate) {
+                continue;
+            }
+
+            Ticket::query()
+                ->where('tenant_code', $tenant->codigo)
+                ->where('source_variant_id', $variant->getKey())
+                ->whereNull('disabled_at')
+                ->whereNull('cancelled_at')
+                ->whereNull('refunded_at')
+                ->lockForUpdate()
+                ->get()
+                ->each(function (Ticket $ticket): void {
+                    $ticket->markAsDisabled();
+                    $ticket->save();
+                });
+        }
+    }
+
+    /**
+     * @param  array{date: string, start_time: string, end_time: string}  $data
+     * @return array{date: string, time_start: string, time_end: string}
+     */
+    private function dateAttributes(array $data): array
+    {
+        return [
+            'date' => $data['date'],
+            'time_start' => $data['start_time'].':00',
+            'time_end' => $data['end_time'].':00',
+        ];
     }
 
     /** @param array<string, string|null> $contact */

app/Domains/Event/routes/adminapp.php

@@ -8,4 +8,7 @@ Route::prefix('v1/adminapp/tenant')
     ->group(function (): void {
         Route::get('event', [EventController::class, 'show']);
         Route::put('event', [EventController::class, 'update']);
+        Route::post('event-dates', [EventController::class, 'storeDate']);
+        Route::post('event-dates/{eventDate}/reschedule', [EventController::class, 'rescheduleDate']);
+        Route::post('event-dates/{eventDate}/cancel', [EventController::class, 'cancelDate']);
     });