my changes

app/Person.php

@@ -0,0 +1,49 @@
+<?php namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Person extends Model
+{
+
+    protected $fillable = [
+        'academic_title',
+        'last_name',
+        'first_name',
+        'email',
+        'identifier_orcid',
+        'status'
+    ];
+    protected $table = 'persons';
+    public $timestamps  = false;
+
+    public function documents()
+    {
+        return $this->belongsToMany(\App\Dataset::class, 'link_documents_persons', 'person_id', 'document_id')
+        ->withPivot('role');
+    }
+
+
+    // public function scopeNotLimit($query)
+    // {
+    // return $query->where('borrow', '<', 3);
+    // }
+    /**
+     * Get the user's full name.
+     *
+     * @return string
+     */
+    public function getFullName()
+    {
+        return $this->first_name . " " . $this->last_name;
+    }
+
+    public function scopeActive($query)
+    {
+        return $query->where('status', 1);
+    }
+
+    public function scopeOrderByName($query)
+    {
+        return $query->orderBy('last_name');
+    }
+}