Merge Invoice and Bill into Document

app/Models/Document/DocumentHistory.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Models\Document;
+
+use App\Abstracts\Model;
+use App\Traits\Currencies;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class DocumentHistory extends Model
+{
+    use Currencies;
+
+    protected $table = 'document_histories';
+
+    protected $fillable = ['company_id', 'type', 'document_id', 'status', 'notify', 'description'];
+
+    public function document()
+    {
+        return $this->belongsTo('App\Models\Document\Document');
+    }
+
+    public function scopeType(Builder $query, string $type)
+    {
+        return $query->where($this->table . '.type', '=', $type);
+    }
+
+    public function scopeInvoice(Builder $query)
+    {
+        return $query->where($this->table . '.type', '=', Document::INVOICE_TYPE);
+    }
+
+    public function scopeBill(Builder $query)
+    {
+        return $query->where($this->table . '.type', '=', Document::BILL_TYPE);
+    }
+}