Block publication of results where no entries succeed.

Closes #94

app/Actions/Tabulation/PublishSeats.php

@@ -2,6 +2,7 @@
 
 namespace App\Actions\Tabulation;
 
+use App\Exceptions\AuditionAdminException;
 use App\Models\Audition;
 use App\Models\Seat;
 use Illuminate\Support\Facades\Cache;
@@ -15,6 +16,9 @@ class PublishSeats
 
     public function __invoke(Audition $audition, array $seats): void
     {
+        if (count($seats) === 0) {
+            throw new AuditionAdminException('Cannot publish an audition with no seats.');
+        }
         // Delete from the seats table where audition_id = $audition->id
         Seat::where('audition_id', $audition->id)->delete();
         foreach ($seats as $seat) {

app/Http/Controllers/Tabulation/AdvancementController.php

@@ -10,6 +10,8 @@ use App\Models\EntryFlag;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Cache;
 
+use function is_null;
+
 class AdvancementController extends Controller
 {
     public function status()
@@ -80,7 +82,12 @@ class AdvancementController extends Controller
 
     public function setAuditionPassers(Request $request, Audition $audition)
     {
+
         $passingEntries = $request->input('pass');
+        if (is_null($passingEntries) || count($passingEntries) < 1) {
+            return redirect()->route('advancement.ranking', ['audition' => $audition->id])->with('error',
+                'Cannot publish advancement if no entries advance');
+        }
 
         $audition->addFlag('advancement_published');
         if (! is_null($passingEntries)) {

app/Http/Controllers/Tabulation/SeatAuditionFormController.php

@@ -260,7 +260,11 @@ class SeatAuditionFormController extends Controller
                 }
             }
         }
+        try {
             $publisher($audition, $proposal);
+        } catch (AuditionAdminException $e) {
+            return redirect()->route('seating.audition', [$audition])->with('error', $e->getMessage());
+        }
         session()->forget('proposedSeatingArray-'.$audition->id);
 
         return redirect()->route('seating.audition', [$audition]);

resources/views/tabulation/auditionSeating.blade.php

@@ -216,6 +216,7 @@
                             <x-form.form method="POST" action="{{ route('seating.audition.clearDraft',[$audition]) }}">
                                 <x-form.button class="mb-3">Clear Draft</x-form.button>
                             </x-form.form>
+                            {{-- TODO Hide the publish button if there are no seats --}}
                             <x-form.form method="POST"
                                          action="{{ route('seating.audition.publishSeats',[$audition]) }}">
                                 <x-form.button class="mb-3">Publish</x-form.button>