添加媒体统计接口 /api/media/stats

- 返回媒体总数、满分作品数、平均评分
- 按类型统计各类型作品数量
- 返回最新添加的5部作品
- 便于前端展示数据统计信息

routes/media.ts

@@ -200,4 +200,68 @@ media.get("/page", async (c) => {
   }
 });
 
+// 获取媒体统计信息
+media.get("/stats", async (c) => {
+  try {
+    // 获取总数
+    const totalResult = await db
+      .prepare("SELECT COUNT(*) as total FROM media")
+      .get();
+    const total = totalResult?.total || 0;
+
+    // 获取满分作品数
+    const perfectResult = await db
+      .prepare("SELECT COUNT(*) as count FROM media WHERE rating = 10")
+      .get();
+    const perfectCount = perfectResult?.count || 0;
+
+    // 按类型统计
+    const typeStats = await db
+      .prepare(
+        "SELECT type, COUNT(*) as count FROM media GROUP BY type ORDER BY count DESC"
+      )
+      .all();
+
+    // 获取平均评分
+    const avgRatingResult = await db
+      .prepare("SELECT AVG(rating) as avg FROM media WHERE rating IS NOT NULL")
+      .get();
+    const avgRating = avgRatingResult?.avg
+      ? parseFloat(avgRatingResult.avg).toFixed(2)
+      : "0.00";
+
+    // 获取最新添加的作品
+    const latestResult = await db
+      .prepare(
+        "SELECT title, type, rating, date FROM media ORDER BY created_at DESC LIMIT 5"
+      )
+      .all();
+
+    // 格式化最新作品的日期
+    const latest = latestResult.map((item: any) => {
+      if (item.date) {
+        const date = new Date(item.date);
+        if (!isNaN(date.getTime())) {
+          item.date = date.toISOString().split("T")[0];
+        }
+      }
+      return item;
+    });
+
+    return c.json({
+      code: 0,
+      data: {
+        total,
+        perfectCount,
+        avgRating,
+        typeStats,
+        latest,
+      },
+      message: "Success",
+    });
+  } catch (error: any) {
+    return c.json({ code: 1, data: {}, message: error.message }, 500);
+  }
+});
+
 export default media;