Give journals a location.

app/Models/TransactionJournal.php

@@ -213,6 +213,15 @@ class TransactionJournal extends Model
         return $this->belongsTo(Bill::class);
     }
 
+    /**
+     * @codeCoverageIgnore
+     * @return MorphMany
+     */
+    public function locations(): MorphMany
+    {
+        return $this->morphMany(Location::class, 'locatable');
+    }
+
     /**
      * @codeCoverageIgnore
      * @return BelongsToMany