Fix server owner filtering; improve searching for servers; closes #2581

app/Models/Filters/AdminServerFilter.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Pterodactyl\Models\Filters;
+
+use BadMethodCallException;
+use Spatie\QueryBuilder\Filters\Filter;
+use Illuminate\Database\Eloquent\Builder;
+
+class AdminServerFilter implements Filter
+{
+    /**
+     * A multi-column filter for the servers table that allows an administrative user to search
+     * across UUID, name, owner username, and owner email.
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @param string $value
+     * @param string $property
+     */
+    public function __invoke(Builder $query, $value, string $property)
+    {
+        if ($query->getQuery()->from !== 'servers') {
+            throw new BadMethodCallException(
+                'Cannot use the AdminServerFilter against a non-server model.'
+            );
+        }
+        $query
+            ->select('servers.*')
+            ->leftJoin('users', 'users.id', '=', 'servers.owner_id')
+            ->where(function (Builder $builder) use ($value) {
+                $builder->where('servers.uuid', $value)
+                    ->orWhere('servers.uuid', 'LIKE', "$value%")
+                    ->orWhere('servers.uuidShort', $value)
+                    ->orWhere('servers.external_id', $value)
+                    ->orWhereRaw('LOWER(users.username) LIKE ?', ["%$value%"])
+                    ->orWhereRaw('LOWER(users.email) LIKE ?', ["$value%"])
+                    ->orWhereRaw('LOWER(servers.name) LIKE ?', ["%$value%"]);
+            })
+            ->groupBy('servers.id');
+    }
+}