chore: init saasshop repo + sql migrations runner + gitee go

app/Http/Controllers/Concerns/ResolvesMerchantContext.php

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+<?php
+
+namespace App\Http\Controllers\Concerns;
+
+use App\Models\Admin;
+use App\Models\Merchant;
+use Illuminate\Http\Request;
+
+trait ResolvesMerchantContext
+{
+    protected function merchantId(Request $request): int
+    {
+        return (int) $request->session()->get('admin_merchant_id');
+    }
+
+    protected function merchant(Request $request): Merchant
+    {
+        return Merchant::query()->findOrFail($this->merchantId($request));
+    }
+
+    protected function merchantAdmin(Request $request): Admin
+    {
+        return Admin::query()->findOrFail((int) $request->session()->get('admin_id'));
+    }
+}

app/Http/Controllers/Concerns/ResolvesPlatformAdminContext.php

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+<?php
+
+namespace App\Http\Controllers\Concerns;
+
+use App\Models\Admin;
+use Illuminate\Http\Request;
+
+trait ResolvesPlatformAdminContext
+{
+    protected function platformAdmin(Request $request): ?Admin
+    {
+        $adminId = $request->session()->get('admin_id');
+
+        if (! $adminId) {
+            return null;
+        }
+
+        $admin = Admin::query()->find($adminId);
+
+        return $admin && $admin->isPlatformAdmin() ? $admin : null;
+    }
+
+    protected function platformAdminId(Request $request): ?int
+    {
+        return $this->platformAdmin($request)?->id;
+    }
+
+    protected function ensurePlatformAdmin(Request $request): Admin
+    {
+        $admin = $this->platformAdmin($request);
+
+        abort_unless($admin, 403, '当前账号没有总台管理访问权限');
+
+        return $admin;
+    }
+}

app/Http/Controllers/Concerns/ResolvesSiteContext.php

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+<?php
+
+namespace App\Http\Controllers\Concerns;
+
+use App\Models\Admin;
+use App\Models\Merchant;
+use Illuminate\Http\Request;
+
+trait ResolvesSiteContext
+{
+    protected function siteId(Request $request): int
+    {
+        return (int) ($request->session()->get('admin_site_id') ?: $request->session()->get('admin_merchant_id'));
+    }
+
+    protected function site(Request $request): Merchant
+    {
+        return Merchant::query()->findOrFail($this->siteId($request));
+    }
+
+    protected function siteAdmin(Request $request): Admin
+    {
+        return Admin::query()->findOrFail((int) $request->session()->get('admin_id'));
+    }
+}