dashboard: trend dates link to platform orders filtered by created_at

tests/Feature/AdminDashboardPlatformOrderTrend7dDateShouldLinkToFilteredOrdersTest.php

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+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Admin;
+use App\Models\Merchant;
+use App\Models\PlatformOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Arr;
+use Tests\TestCase;
+
+class AdminDashboardPlatformOrderTrend7dDateShouldLinkToFilteredOrdersTest 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_dashboard_platform_order_trend_7d_date_should_link_to_filtered_orders(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $merchantId = (int) Merchant::query()->value('id');
+        $platformAdminId = (int) Admin::query()->where('email', 'platform.admin@demo.local')->value('id');
+
+        $po = PlatformOrder::query()->create([
+            'merchant_id' => $merchantId,
+            'plan_id' => null,
+            'site_subscription_id' => null,
+            'created_by_admin_id' => $platformAdminId ?: null,
+            'order_no' => 'PO_TREND_LINK_D3',
+            'order_type' => 'new_purchase',
+            'status' => 'pending',
+            'payment_status' => 'paid',
+            'payable_amount' => 10,
+            'paid_amount' => 10,
+        ]);
+
+        PlatformOrder::query()->where('id', $po->id)->update([
+            'created_at' => now()->subDays(3)->startOfDay(),
+            'updated_at' => now()->subDays(3)->startOfDay(),
+        ]);
+
+        $d3 = now()->subDays(3)->format('Y-m-d');
+
+        $res = $this->get('/admin');
+        $res->assertOk();
+
+        $expectedUrl = '/admin/platform-orders?' . Arr::query([
+            'created_from' => $d3,
+            'created_to' => $d3,
+            'back' => '/admin',
+        ]);
+
+        $res->assertSee('data-role="platform-order-trend-7d"', false);
+        $res->assertSee($expectedUrl, false);
+        $res->assertDontSee('&amp;back=', false);
+    }
+}