feat(数据分析): 添加域名过滤功能并持久化存储

- 在评论、统计和访问分析页面添加域名过滤功能
- 使用localStorage持久化存储用户选择的域名过滤条件
- 新增30天访问趋势图表展示
- 优化API接口支持按域名过滤数据
- 添加每日访问统计记录功能

cwd-api/src/api/admin/visitAnalytics.ts

@@ -4,6 +4,10 @@ import type { Bindings } from '../../bindings';
 type VisitOverview = {
 	totalPv: number;
 	totalPages: number;
+	last30Days: {
+		date: string;
+		total: number;
+	}[];
 };
 
 type VisitPageItem = {
@@ -14,24 +18,116 @@ type VisitPageItem = {
 	lastVisitAt: string | null;
 };
 
+function extractDomain(source: string | null | undefined): string | null {
+	if (!source) {
+		return null;
+	}
+	const value = source.trim();
+	if (!value) {
+		return null;
+	}
+	if (!/^https?:\/\//i.test(value)) {
+		return null;
+	}
+	try {
+		const url = new URL(value);
+		return url.hostname.toLowerCase();
+	} catch {
+		return null;
+	}
+}
+
 export const getVisitOverview = async (
 	c: Context<{ Bindings: Bindings }>
 ) => {
 	try {
+		const rawDomain = c.req.query('domain') || '';
+		const domainFilter = rawDomain.trim().toLowerCase();
+
 		await c.env.CWD_DB.prepare(
 			'CREATE TABLE IF NOT EXISTS page_stats (id INTEGER PRIMARY KEY AUTOINCREMENT, post_slug TEXT UNIQUE NOT NULL, post_title TEXT, post_url TEXT, pv INTEGER NOT NULL DEFAULT 0, last_visit_at TEXT, created_at TEXT NOT NULL, updated_at TEXT NOT NULL)'
 		).run();
 
-		const row = await c.env.CWD_DB.prepare(
-			'SELECT COUNT(*) as totalPages, COALESCE(SUM(pv), 0) as totalPv FROM page_stats'
-		).first<{
-			totalPages: number | null;
-			totalPv: number | null;
+		await c.env.CWD_DB.prepare(
+			'CREATE TABLE IF NOT EXISTS page_visit_daily (id INTEGER PRIMARY KEY AUTOINCREMENT, date TEXT NOT NULL, domain TEXT, count INTEGER NOT NULL DEFAULT 0, created_at TEXT NOT NULL, updated_at TEXT NOT NULL)'
+		).run();
+
+		const { results } = await c.env.CWD_DB.prepare(
+			'SELECT post_slug, post_title, post_url, pv, last_visit_at FROM page_stats'
+		).all<{
+			post_slug: string;
+			post_title: string | null;
+			post_url: string | null;
+			pv: number;
+			last_visit_at: string | null;
 		}>();
 
+		let totalPv = 0;
+		let totalPages = 0;
+
+		for (const row of results) {
+			const domain =
+				extractDomain(row.post_url) ||
+				extractDomain(row.post_slug) ||
+				null;
+
+			if (domainFilter && domain !== domainFilter) {
+				continue;
+			}
+
+			totalPv += row.pv || 0;
+			totalPages += 1;
+		}
+
+		const now = new Date();
+		const thirtyDaysAgo = new Date(now.getTime() - 29 * 24 * 60 * 60 * 1000);
+		const startDate = thirtyDaysAgo.toISOString().slice(0, 10);
+
+		let dailySql =
+			'SELECT date, domain, count FROM page_visit_daily WHERE date >= ?';
+		const params: string[] = [startDate];
+
+		if (domainFilter) {
+			dailySql += ' AND domain = ?';
+			params.push(domainFilter);
+		}
+
+		const { results: dailyRows } = await c.env.CWD_DB.prepare(dailySql)
+			.bind(...params)
+			.all<{
+				date: string;
+				domain: string | null;
+				count: number;
+			}>();
+
+		const dailyMap = new Map<string, number>();
+
+		for (const row of dailyRows) {
+			if (!row || !row.date) {
+				continue;
+			}
+			const key = row.date;
+			const value = row.count || 0;
+			dailyMap.set(key, (dailyMap.get(key) || 0) + value);
+		}
+
+		const last30Days: { date: string; total: number }[] = [];
+		for (let i = 29; i >= 0; i--) {
+			const d = new Date(now.getTime() - i * 24 * 60 * 60 * 1000);
+			const year = d.getUTCFullYear();
+			const month = String(d.getUTCMonth() + 1).padStart(2, '0');
+			const day = String(d.getUTCDate()).padStart(2, '0');
+			const key = `${year}-${month}-${day}`;
+			last30Days.push({
+				date: key,
+				total: dailyMap.get(key) || 0
+			});
+		}
+
 		const data: VisitOverview = {
-			totalPv: row?.totalPv || 0,
-			totalPages: row?.totalPages || 0
+			totalPv,
+			totalPages,
+			last30Days
 		};
 
 		return c.json(data);
@@ -45,6 +141,9 @@ export const getVisitOverview = async (
 
 export const getVisitPages = async (c: Context<{ Bindings: Bindings }>) => {
 	try {
+		const rawDomain = c.req.query('domain') || '';
+		const domainFilter = rawDomain.trim().toLowerCase();
+
 		await c.env.CWD_DB.prepare(
 			'CREATE TABLE IF NOT EXISTS page_stats (id INTEGER PRIMARY KEY AUTOINCREMENT, post_slug TEXT UNIQUE NOT NULL, post_title TEXT, post_url TEXT, pv INTEGER NOT NULL DEFAULT 0, last_visit_at TEXT, created_at TEXT NOT NULL, updated_at TEXT NOT NULL)'
 		).run();
@@ -59,13 +158,26 @@ export const getVisitPages = async (c: Context<{ Bindings: Bindings }>) => {
 			last_visit_at: string | null;
 		}>();
 
-		const items: VisitPageItem[] = results.map((row) => ({
-			postSlug: row.post_slug,
-			postTitle: row.post_title,
-			postUrl: row.post_url,
-			pv: row.pv || 0,
-			lastVisitAt: row.last_visit_at
-		}));
+		const items: VisitPageItem[] = [];
+
+		for (const row of results) {
+			const domain =
+				extractDomain(row.post_url) ||
+				extractDomain(row.post_slug) ||
+				null;
+
+			if (domainFilter && domain !== domainFilter) {
+				continue;
+			}
+
+			items.push({
+				postSlug: row.post_slug,
+				postTitle: row.post_title,
+				postUrl: row.post_url,
+				pv: row.pv || 0,
+				lastVisitAt: row.last_visit_at
+			});
+		}
 
 		return c.json({ items });
 	} catch (e: any) {
@@ -75,4 +187,3 @@ export const getVisitPages = async (c: Context<{ Bindings: Bindings }>) => {
 		);
 	}
 };
-