优化vip

app/Services/RoomBroadcastService.php

@@ -13,6 +13,10 @@ namespace App\Services;
 
 use App\Models\User;
 
+/**
+ * 聊天室入场、离场与会员喜报播报服务
+ * 负责统一生成进退场文本，以及会员主题横幅和购买成功喜报的前端载荷。
+ */
 class RoomBroadcastService
 {
     /**
@@ -183,4 +187,33 @@ class RoomBroadcastService
             'presence_icon' => (string) ($theme['icon'] ?? ''),
         ];
     }
+
+    /**
+     * 构建会员购买成功喜报的前端载荷。
+     *
+     * @return array<string, string|null>
+     */
+    public function buildVipPurchasePayload(User $user): array
+    {
+        $theme = $this->vipPresenceService->buildPurchaseTheme($user);
+
+        if (empty($theme['enabled'])) {
+            return [];
+        }
+
+        $text = trim((string) ($theme['text'] ?? ''));
+        if ($text === '') {
+            return [];
+        }
+
+        return [
+            'presence_type' => 'purchase',
+            'presence_text' => $text,
+            'presence_color' => (string) ($theme['color'] ?? ''),
+            'presence_effect' => $theme['effect'] ? (string) $theme['effect'] : null,
+            'presence_banner_style' => (string) ($theme['banner_style'] ?? ''),
+            'presence_level_name' => (string) ($theme['level_name'] ?? ''),
+            'presence_icon' => (string) ($theme['icon'] ?? ''),
+        ];
+    }
 }