Implement pruning of training proposal feature vectors

Resolves #131

src/Listeners/PruneTrainingProposalFeatureVectors.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Biigle\Modules\Maia\Listeners;
+
+use Biigle\Modules\Maia\Events\MaiaJobContinued;
+use Biigle\Modules\Maia\TrainingProposalFeatureVector;
+use Illuminate\Contracts\Queue\ShouldQueue;
+
+class PruneTrainingProposalFeatureVectors implements ShouldQueue
+{
+    /**
+      * Handle the event.
+      *
+      * @param  MaiaJobContinued  $event
+      * @return void
+      */
+    public function handle(MaiaJobContinued $event)
+    {
+        $event->job
+            ->trainingProposals()
+            ->unselected()
+            ->select('id')
+            ->chunkById(1000, function ($chunk) {
+                TrainingProposalFeatureVector::whereIn('id', $chunk->pluck('id'))
+                    ->delete();
+            });
+    }
+}

src/MaiaServiceProvider.php

@@ -10,6 +10,7 @@
 use Biigle\Modules\Maia\Listeners\DispatchMaiaJob;
 use Biigle\Modules\Maia\Listeners\DispatchObjectDetectionRequest;
 use Biigle\Modules\Maia\Listeners\PrepareDeleteAnnotationPatches;
+use Biigle\Modules\Maia\Listeners\PruneTrainingProposalFeatureVectors;
 use Biigle\Modules\Maia\Listeners\PruneTrainingProposalPatches;
 use Biigle\Services\Modules;
 use Event;
@@ -63,6 +64,7 @@ public function boot(Modules $modules, Router $router)
         Event::listen(MaiaJobCreated::class, DispatchMaiaJob::class);
         Event::listen(MaiaJobContinued::class, DispatchObjectDetectionRequest::class);
         Event::listen(MaiaJobContinued::class, PruneTrainingProposalPatches::class);
+        Event::listen(MaiaJobContinued::class, PruneTrainingProposalFeatureVectors::class);
         Event::listen(MaiaJobDeleting::class, PrepareDeleteAnnotationPatches::class);
         Event::listen(MaiaJobDeleting::class, DeleteAnnotationFeatureVectors::class);
     }

tests/Listeners/PruneTrainingProposalFeatureVectorsTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Biigle\Tests\Modules\Maia\Listeners;
+
+use Biigle\Modules\Maia\Events\MaiaJobContinued;
+use Biigle\Modules\Maia\Listeners\PruneTrainingProposalFeatureVectors;
+use Biigle\Tests\Modules\Maia\TrainingProposalTest;
+use Biigle\Modules\Maia\TrainingProposalFeatureVector;
+use TestCase;
+
+class PruneTrainingProposalFeatureVectorsTest extends TestCase
+{
+    public function testHandle()
+    {
+        $a = TrainingProposalTest::create(['selected' => true]);
+        $af = TrainingProposalFeatureVector::factory()->create([
+            'id' => $a->id,
+            'job_id' => $a->job_id,
+        ]);
+
+        $a2 = TrainingProposalTest::create([
+            'job_id' => $a->job_id,
+            'selected' => false,
+        ]);
+        $af2 = TrainingProposalFeatureVector::factory()->create([
+            'id' => $a2->id,
+            'job_id' => $a2->job_id,
+        ]);
+
+
+        $listener = new PruneTrainingProposalFeatureVectors;
+        $listener->handle(new MaiaJobContinued($a->job));
+        $this->assertNotNull($af->fresh());
+        $this->assertNull($af2->fresh());
+    }
+}