update code

app/Repositories/Eloquents/SignerRepositoryEloquent.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Repositories\Eloquents;
+
+use Prettus\Repository\Eloquent\BaseRepository;
+use Prettus\Repository\Criteria\RequestCriteria;
+use App\Contracts\Repositories\SignerRepository;
+use App\Entities\Signer;
+
+/**
+ * Class SignerRepositoryEloquent.
+ *
+ * @package namespace App\Repositories\Eloquents;
+ */
+class SignerRepositoryEloquent extends BaseRepository implements SignerRepository
+{
+    /**
+     * @var array
+     */
+    protected $fieldSearchable = [
+        'id' => '=',
+        'name' => 'like',
+        'description' => 'like',
+
+        'documents.id' => '=',
+        'documents.symbol' => 'like',
+        'documents.abstract' => 'like',
+        'documents.book_id' => '=',
+        'documents.type_id' => '=',
+        'documents.signer_id' => '=',
+        'documents.creator_id' => '=',
+        'documents.writer_id' => '=',
+        'documents.effective_at' => 'like',
+        'documents.sign_at' => 'like',
+        'documents.publisher_id' => 'like',
+        'documents.link_id' => '=',
+    ];
+
+    /**
+     * Specify Model class name
+     *
+     * @return string
+     */
+    public function model()
+    {
+        return Signer::class;
+    }
+
+    /**
+     * Boot up the repository, pushing criteria
+     */
+    public function boot()
+    {
+        $this->pushCriteria(app(RequestCriteria::class));
+    }
+    
+}