[admin] add setting backup

app/Repositories/SettingRepository.php

@@ -0,0 +1,64 @@
+<?php
+namespace App\Repositories;
+
+use App\Exceptions\NexusException;
+use App\Models\Setting;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Facades\DB;
+
+class SettingRepository extends BaseRepository
+{
+    public function getList(array $params)
+    {
+        $query = Setting::query();
+        if (!empty($params['prefix'])) {
+            $query->where('name', 'like', "{$params['prefix']}%");
+        }
+        $settings =  $query->get();
+        $results = [];
+        foreach ($settings as $setting) {
+            $value = $setting->value;
+            $arr = json_decode($value, true);
+            if (is_array($arr)) {
+                $value = $arr;
+            }
+            Arr::set($results, $setting->name, $value);
+        }
+        return $results;
+    }
+
+    public function store(array $params)
+    {
+        $settingModel = new Setting();
+        $values = [];
+        foreach ($params as $prefix => $nameValues) {
+            if (!is_array($nameValues)) {
+                throw new \InvalidArgumentException("Unsupported parameter format.");
+            }
+            foreach ($nameValues as $name => $value) {
+                $valueArr = Arr::wrap($value);
+                array_walk_recursive($valueArr, function ($item) {return addslashes($item);});
+                if (is_array($value)) {
+                    $valueStr = json_encode($valueArr);
+                } else {
+                    $valueStr = Arr::first($valueArr);
+                }
+                $values[] = sprintf("('%s', '%s')", addslashes("$prefix.$name"), addslashes($valueStr));
+            }
+        }
+        if (empty($values)) {
+            do_log("no values");
+            return true;
+        }
+        $sql = sprintf(
+            "insert into `%s` (`name`, `value`) values %s on duplicate key update `value` = values(`value`)",
+            $settingModel->getTable(), implode(', ', $values)
+        );
+        $result = DB::insert($sql);
+        do_log("sql: $sql, result: $result");
+        return $result;
+    }
+
+}