fix: 优化留言和分享数据

server/db.js

@@ -193,4 +193,15 @@ try {
   `)
 } catch (_) {}
 
+// 分享次数：累计分享次数
+try {
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS share_count (
+      id INTEGER PRIMARY KEY CHECK (id = 1),
+      total INTEGER NOT NULL DEFAULT 0
+    );
+    INSERT OR IGNORE INTO share_count (id, total) VALUES (1, 0);
+  `)
+} catch (_) {}
+
 module.exports = db

server/routes.js

@@ -84,6 +84,16 @@ function getClientIp(req) {
   return req.ip || req.socket?.remoteAddress || 'unknown'
 }
 
+function getStats() {
+  const viewers = db.prepare(
+    "SELECT COUNT(*) as n FROM visits WHERE last_seen > datetime('now', '-2 minutes')"
+  ).get().n
+  const cumulative = db.prepare('SELECT total FROM visitor_count WHERE id = 1').get()?.total ?? 0
+  const feedbackCount = db.prepare('SELECT COUNT(*) as n FROM feedback').get().n ?? 0
+  const shareCount = db.prepare('SELECT total FROM share_count WHERE id = 1').get()?.total ?? 0
+  return { viewers, cumulative, feedbackCount, shareCount }
+}
+
 router.post('/visit', (req, res) => {
   try {
     const ip = getClientIp(req)
@@ -93,14 +103,10 @@ router.post('/visit', (req, res) => {
     db.prepare(
       'INSERT INTO visitor_count (id, total) VALUES (1, 1) ON CONFLICT(id) DO UPDATE SET total = total + 1'
     ).run()
-    const viewers = db.prepare(
-      "SELECT COUNT(*) as n FROM visits WHERE last_seen > datetime('now', '-2 minutes')"
-    ).get().n
-    const cumulative = db.prepare('SELECT total FROM visitor_count WHERE id = 1').get()?.total ?? 0
-    res.json({ viewers, cumulative })
+    res.json(getStats())
   } catch (err) {
     console.error(err)
-    res.status(500).json({ viewers: 0, cumulative: 0 })
+    res.status(500).json({ viewers: 0, cumulative: 0, feedbackCount: 0, shareCount: 0 })
   }
 })
 
@@ -121,16 +127,25 @@ router.post('/feedback', (req, res) => {
   }
 })
 
-router.get('/stats', (req, res) => {
+router.post('/share', (req, res) => {
   try {
-    const viewers = db.prepare(
-      "SELECT COUNT(*) as n FROM visits WHERE last_seen > datetime('now', '-2 minutes')"
-    ).get().n
-    const cumulative = db.prepare('SELECT total FROM visitor_count WHERE id = 1').get()?.total ?? 0
-    res.json({ viewers, cumulative })
+    db.prepare(
+      'INSERT INTO share_count (id, total) VALUES (1, 1) ON CONFLICT(id) DO UPDATE SET total = total + 1'
+    ).run()
+    const shareCount = db.prepare('SELECT total FROM share_count WHERE id = 1').get()?.total ?? 0
+    res.json({ ok: true, shareCount })
   } catch (err) {
     console.error(err)
-    res.status(500).json({ viewers: 0, cumulative: 0 })
+    res.status(500).json({ ok: false, shareCount: 0 })
+  }
+})
+
+router.get('/stats', (req, res) => {
+  try {
+    res.json(getStats())
+  } catch (err) {
+    console.error(err)
+    res.status(500).json({ viewers: 0, cumulative: 0, feedbackCount: 0, shareCount: 0 })
   }
 })