From 2e64a9713b645f645774e1003dd64b38dd766a22 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Date: Sat, 15 Jan 2022 13:30:41 +0100
Subject: [PATCH] app/Http/Livewire/Traits/WithSort.php: Make null values
 appear last.

---
 app/Http/Livewire/Traits/WithSort.php | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/Http/Livewire/Traits/WithSort.php b/app/Http/Livewire/Traits/WithSort.php
index 854531c..f795fec 100644
--- a/app/Http/Livewire/Traits/WithSort.php
+++ b/app/Http/Livewire/Traits/WithSort.php
@@ -2,6 +2,8 @@
 
 namespace App\Http\Livewire\Traits;
 
+use Illuminate\Support\Facades\DB;
+
 trait WithSort {
 
 	/**
@@ -45,7 +47,15 @@ trait WithSort {
 		}
 
 		foreach($columns as $column) {
-			$query->orderBy($column, $this->dir);
+			$query->orderBy($this->orderExpr($column), $this->dir);
 		}
 	}
+
+	/**
+	 * Bit of a hack to get nulls to appear last.
+	 */
+	private function orderExpr(string $col) : \Illuminate\Database\Query\Expression
+	{
+		return DB::raw("ISNULL(`$col`), `$col`");
+	}
 }