Searching backend

app/Models/Oasis/Invoice.php

@@ -7,10 +7,12 @@ use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Str;
+use Laravel\Scout\Searchable;
+use TeamTNT\TNTSearch\Indexer\TNTIndexer;
 
 class Invoice extends Model
 {
-    use HasFactory;
+    use HasFactory, Searchable;
 
     protected $casts = [
         'items'  => 'array',
@@ -34,12 +36,32 @@ class Invoice extends Model
         return $this->hasOne(Client::class, 'id', 'user_id');
     }
 
+    /**
+     * Index file
+     *
+     * @return array
+     */
+    public function toSearchableArray()
+    {
+        $array = $this->toArray();
+
+        $client_name = Str::slug($array['client']['name'], ' ');
+
+        return [
+            'id'                  => $this->id,
+            'clientName'          => $array['client']['name'],
+            'clientNameNgrams'    => utf8_encode((new TNTIndexer)->buildTrigrams(implode(', ', [$client_name]))),
+            'invoiceNumber'       => $array['invoice_number'],
+            'invoiceNumberNgrams' => utf8_encode((new TNTIndexer)->buildTrigrams(implode(', ', [$array['invoice_number']]))),
+        ];
+    }
+
     protected static function boot()
     {
         parent::boot();
 
         static::creating(function ($invoice) {
-            $invoice->id = Str::uuid();
+            $invoice->id = (string)Str::uuid();
 
             $invoice->delivery_at = $invoice->created_at;
             $invoice->due_at = Carbon::parse($invoice->created_at)->addWeeks(2);