Enhance: plans links to subscriptions/orders include back

resources/views/admin/plans/index.blade.php

@@ -4,6 +4,28 @@
 @section('page_title', '套餐管理')
 
 @section('content')
+@php
+    // back 参数用于“返回上一页（保留上下文）”，但 back 本身不应再包含 back（避免无限嵌套导致 URL 膨胀）
+    $currentQuery = request()->query();
+    unset($currentQuery['back']);
+    $selfWithoutBack = '/' . ltrim(request()->path(), '/');
+    if (count($currentQuery) > 0) {
+        $selfWithoutBack .= '?' . \Illuminate\Support\Arr::query($currentQuery);
+    }
+
+    // 用于构建“从套餐页跳转到订阅/订单页后可返回套餐页”的链接
+    $makeSubscriptionUrl = function (array $query) use ($selfWithoutBack) {
+        $query = $query + ['back' => $selfWithoutBack];
+
+        return '/admin/site-subscriptions?' . \Illuminate\Support\Arr::query($query);
+    };
+
+    $makePlatformOrderUrl = function (array $query) use ($selfWithoutBack) {
+        $query = $query + ['back' => $selfWithoutBack];
+
+        return '/admin/platform-orders?' . \Illuminate\Support\Arr::query($query);
+    };
+@endphp
 <div class="card mb-20">
     <p class="muted muted-tight">这里是总台视角的套餐目录页，用于沉淀平台可售卖的标准能力包。</p>
     <p class="muted">当前阶段先完成套餐主数据可见、可筛与口径收拢，后续再接授权项、售价规则与上下架动作。</p>
@@ -125,7 +147,7 @@
                 <td>
                     @php $subCount = (int) ($plan->subscriptions_count ?? 0); @endphp
                     @if($subCount > 0)
-                        <a class="link" href="/admin/site-subscriptions?plan_id={{ $plan->id }}">{{ $subCount }} 个</a>
+                        <a class="link" href="{!! $makeSubscriptionUrl(['plan_id' => $plan->id]) !!}">{{ $subCount }} 个</a>
                     @else
                         <span class="muted">0</span>
                     @endif
@@ -133,7 +155,7 @@
                 <td>
                     @php $orderCount = (int) ($plan->platform_orders_count ?? 0); @endphp
                     @if($orderCount > 0)
-                        <a class="link" href="/admin/platform-orders?plan_id={{ $plan->id }}">{{ $orderCount }} 单</a>
+                        <a class="link" href="{!! $makePlatformOrderUrl(['plan_id' => $plan->id]) !!}">{{ $orderCount }} 单</a>
                     @else
                         <span class="muted">0</span>
                     @endif

tests/Feature/AdminPlanLinksContainBackTest.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Merchant;
+use App\Models\Plan;
+use App\Models\PlatformOrder;
+use App\Models\SiteSubscription;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Arr;
+use Tests\TestCase;
+
+class AdminPlanLinksContainBackTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_plans_page_links_to_subscriptions_and_orders_should_contain_back(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchant = Merchant::query()->firstOrFail();
+
+        $plan = Plan::query()->create([
+            'code' => 'plan_link_back_test',
+            'name' => '套餐联动 back 测试',
+            'billing_cycle' => 'monthly',
+            'price' => 9.9,
+            'list_price' => 9.9,
+            'status' => 'active',
+            'sort' => 1,
+            'published_at' => now(),
+        ]);
+
+        $sub = SiteSubscription::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'status' => 'activated',
+            'source' => 'manual',
+            'subscription_no' => 'SUB_PLAN_LINK_BACK_0001',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'amount' => 9.9,
+            'starts_at' => now()->subDay(),
+            'ends_at' => now()->addMonth(),
+            'activated_at' => now()->subDay(),
+        ]);
+
+        PlatformOrder::query()->create([
+            'merchant_id' => $merchant->id,
+            'plan_id' => $plan->id,
+            'site_subscription_id' => $sub->id,
+            'order_no' => 'PO_PLAN_LINK_BACK_0001',
+            'order_type' => 'new_purchase',
+            'status' => 'activated',
+            'payment_status' => 'paid',
+            'plan_name' => $plan->name,
+            'billing_cycle' => $plan->billing_cycle,
+            'period_months' => 1,
+            'quantity' => 1,
+            'list_amount' => 9.9,
+            'discount_amount' => 0,
+            'payable_amount' => 9.9,
+            'paid_amount' => 9.9,
+            'placed_at' => now()->subHour(),
+            'paid_at' => now()->subMinutes(30),
+            'activated_at' => now()->subMinutes(20),
+        ]);
+
+        $back = '/admin/plans?status=active';
+
+        $res = $this->get($back);
+        $res->assertOk();
+
+        $expectedSubscriptionUrl = '/admin/site-subscriptions?' . Arr::query([
+            'plan_id' => $plan->id,
+            'back' => $back,
+        ]);
+
+        $expectedOrderUrl = '/admin/platform-orders?' . Arr::query([
+            'plan_id' => $plan->id,
+            'back' => $back,
+        ]);
+
+        $res->assertSee($expectedSubscriptionUrl, false);
+        $res->assertSee($expectedOrderUrl, false);
+    }
+}