feat: 添加多站点支持，引入site_id字段

- 在Comment表中添加site_id字段，用于区分不同站点的评论
- 更新前后端API以支持site_id参数传递
- 修改自动迁移脚本，添加site_id字段迁移逻辑
- 更新前端组件配置，支持设置siteId参数

cwd-api/schemas/comment.sql

@@ -17,6 +17,7 @@ CREATE TABLE IF NOT EXISTS Comment (
     likes INTEGER NOT NULL DEFAULT 0,
     priority INTEGER NOT NULL DEFAULT 1,
     status TEXT DEFAULT 'approved',
+    site_id TEXT NOT NULL DEFAULT '',
     -- 建立自引用外键约束（父子评论关系）
     FOREIGN KEY (parent_id) REFERENCES Comment (id) ON DELETE SET NULL
 );
@@ -24,3 +25,4 @@ CREATE TABLE IF NOT EXISTS Comment (
 -- 可选：为常用查询字段创建索引以提高性能
 CREATE INDEX IF NOT EXISTS idx_post_slug ON Comment(post_slug);
 CREATE INDEX IF NOT EXISTS idx_status ON Comment(status);
+CREATE INDEX IF NOT EXISTS idx_site_id ON Comment(site_id);

cwd-api/scripts/auto_migrate.js

@@ -50,29 +50,50 @@ function run() {
             const result = JSON.parse(output);
             const count = result[0]?.results?.[0]?.count;
             
-            if (count > 0) {
+            if (count === 0) {
-                return;
+                const sql = `
+                    ALTER TABLE Comment ADD COLUMN post_url TEXT;
+                    UPDATE Comment SET post_url = post_slug;
+                    UPDATE Comment 
+                    SET post_slug = SUBSTR(
+                      REPLACE(REPLACE(post_slug, 'https://', ''), 'http://', ''),
+                      INSTR(REPLACE(REPLACE(post_slug, 'https://', ''), 'http://', ''), '/')
+                    )
+                    WHERE post_slug LIKE 'http%' AND INSTR(REPLACE(REPLACE(post_slug, 'https://', ''), 'http://', ''), '/') > 0;
+                `;
+                
+                const flatSql = sql.replace(/\s+/g, ' ').trim();
+                const migrateCmd = `npx wrangler d1 execute ${dbName} --command "${flatSql}" --remote --yes`;
+                
+                execSync(migrateCmd, { stdio: 'inherit' });
+                console.log('[Auto-Migrate] Migration applied for Comment.post_url.');
             }
         } catch (e) {
-            return;
+            console.error('[Auto-Migrate] Failed post_url migration:', e.message);
         }
 
-        const sql = `
+        try {
-            ALTER TABLE Comment ADD COLUMN post_url TEXT;
+            const checkCmd = `npx wrangler d1 execute ${dbName} --command "SELECT count(*) as count FROM pragma_table_info('Comment') WHERE name='site_id'" --remote --json`;
-            UPDATE Comment SET post_url = post_slug;
+            const output = execSync(checkCmd, { encoding: 'utf-8', stdio: ['ignore', 'pipe', 'ignore'] });
-            UPDATE Comment 
+            
-            SET post_slug = SUBSTR(
+            const result = JSON.parse(output);
-              REPLACE(REPLACE(post_slug, 'https://', ''), 'http://', ''),
+            const count = result[0]?.results?.[0]?.count;
-              INSTR(REPLACE(REPLACE(post_slug, 'https://', ''), 'http://', ''), '/')
+            
-            )
+            if (count === 0) {
-            WHERE post_slug LIKE 'http%' AND INSTR(REPLACE(REPLACE(post_slug, 'https://', ''), 'http://', ''), '/') > 0;
+                const sql = `
-        `;
+                    ALTER TABLE Comment ADD COLUMN site_id TEXT NOT NULL DEFAULT '';
-        
+                    CREATE INDEX IF NOT EXISTS idx_site_id ON Comment(site_id);
-        const flatSql = sql.replace(/\s+/g, ' ').trim();
+                `;
-        const migrateCmd = `npx wrangler d1 execute ${dbName} --command "${flatSql}" --remote --yes`;
+                
-        
+                const flatSql = sql.replace(/\s+/g, ' ').trim();
-        execSync(migrateCmd, { stdio: 'inherit' });
+                const migrateCmd = `npx wrangler d1 execute ${dbName} --command "${flatSql}" --remote --yes`;
-        console.log('[Auto-Migrate] Migration applied for Comment.post_url.');
+                
+                execSync(migrateCmd, { stdio: 'inherit' });
+                console.log('[Auto-Migrate] Migration applied for Comment.site_id.');
+            }
+        } catch (e) {
+            console.error('[Auto-Migrate] Failed site_id migration:', e.message);
+        }
 
     } catch (error) {
         console.error('[Auto-Migrate] Failed:', error.message);

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

@@ -12,6 +12,8 @@ export const listComments = async (c: Context<{ Bindings: Bindings }>) => {
 
 	const rawDomain = c.req.query('domain') || '';
 	const domain = rawDomain.trim();
+	const rawSiteId = c.req.query('site_id') || '';
+	const siteId = rawSiteId.trim();
 
 	let whereSql = '';
 	const params: (string | number)[] = [];
@@ -21,6 +23,15 @@ export const listComments = async (c: Context<{ Bindings: Bindings }>) => {
 		params.push(pattern, pattern);
 	}
 
+	if (siteId) {
+		if (whereSql) {
+			whereSql += ' AND site_id = ?';
+		} else {
+			whereSql = 'WHERE site_id = ?';
+		}
+		params.push(siteId);
+	}
+
 	const totalCount = await c.env.CWD_DB.prepare(
 		`SELECT COUNT(*) as count FROM Comment ${whereSql}`
 	)
@@ -67,7 +78,8 @@ export const listComments = async (c: Context<{ Bindings: Bindings }>) => {
 					: 0,
 			ua: row.ua,
 			avatar: await getCravatar(row.email, row.name, avatarPrefix || undefined),
-			isAdmin: adminEmail && row.email === adminEmail
+			isAdmin: adminEmail && row.email === adminEmail,
+			siteId: row.site_id
 		}))
 	);
 

cwd-api/src/api/public/getComments.ts

@@ -9,6 +9,7 @@ export const getComments = async (c: Context<{ Bindings: Bindings }>) => {
   const limit = Math.min(parseInt(c.req.query('limit') || '20'), 50)
   const nested = c.req.query('nested') !== 'false'
   const avatar_prefix = c.req.query('avatar_prefix')
+  const siteId = c.req.query('site_id')
   const offset = (page - 1) * limit
 
   if (!postSlug) return c.json({ message: "post_slug is required" }, 400)
@@ -54,15 +55,23 @@ export const getComments = async (c: Context<{ Bindings: Bindings }>) => {
       whereParts.length > 0
         ? `status = "approved" AND (${whereParts.join(' OR ')})`
         : 'status = "approved"'
+    
+    let finalWhereClause = whereClause
+    const bindParams: unknown[] = [...equalSlugs, ...likePatterns]
+
+    if (siteId) {
+      finalWhereClause += ' AND site_id = ?'
+      bindParams.push(siteId)
+    }
+
     const query = `
       SELECT id, name, email, url, content_text as contentText,
              content_html as contentHtml, created, parent_id as parentId,
              post_slug as postSlug, post_url as postUrl, priority, COALESCE(likes, 0) as likes
       FROM Comment
-      WHERE ${whereClause}
+      WHERE ${finalWhereClause}
       ORDER BY priority DESC, created DESC
     `
-    const bindParams: unknown[] = [...equalSlugs, ...likePatterns]
     
     const [commentsResult, adminEmailRows] = await Promise.all([
       c.env.CWD_DB.prepare(query).bind(...bindParams).all(),

cwd-api/src/api/public/postComment.ts

@@ -24,6 +24,7 @@ export const postComment = async (c: Context<{ Bindings: Bindings }>) => {
     return c.json({ message: '无效的请求体' }, 400);
   }
   const { post_slug, content: rawContent, name: rawName, email, url, post_title, post_url, adminToken } = data;
+  const site_id = data.site_id ? String(data.site_id).trim() : "";
   const parentId = (data as any).parent_id ?? (data as any).parentId ?? null;
   if (!post_slug || typeof post_slug !== 'string') {
     return c.json({ message: 'post_slug 必填' }, 400);
@@ -161,8 +162,8 @@ export const postComment = async (c: Context<{ Bindings: Bindings }>) => {
       INSERT INTO Comment (
         created, post_slug, post_url, name, email, url, ip_address, 
         os, browser, device, ua, content_text, content_html, 
-        parent_id, status
+        parent_id, status, site_id
-      ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+      ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
     `).bind(
       Date.now(),
       post_slug,
@@ -178,7 +179,8 @@ export const postComment = async (c: Context<{ Bindings: Bindings }>) => {
       contentText,
       contentHtml,
       parentId || null,
-      defaultStatus
+      defaultStatus,
+      site_id
     ).run();
 
     if (!result.success) throw new Error("Database insert failed");

docs/.vitepress/components/footerDoc.vue

@@ -35,6 +35,7 @@ onMounted(async () => {
   const comments = new window.CWDComments({
     el: commentsRoot.value,
     apiBaseUrl,
+    siteId: 'cwd-doc',
     theme: getTheme(),
   });
 

docs/widget/src/core/CWDComments.js

@@ -29,6 +29,9 @@ export class CWDComments {
 	 */
 	constructor(config) {
 		this.config = { ...config };
+		if (config.siteId) {
+			this.config.siteId = config.siteId;
+		}
 		if (typeof window !== 'undefined') {
 			this.config.postSlug = window.location.pathname;
 		}
@@ -571,6 +574,9 @@ export class CWDComments {
 		const prevConfig = { ...this.config };
 
 		Object.assign(this.config, newConfig);
+		if (newConfig.siteId !== undefined) {
+			this.config.siteId = newConfig.siteId;
+		}
 		if (typeof window !== 'undefined') {
 			this.config.postSlug = window.location.pathname;
 		}
@@ -589,7 +595,8 @@ export class CWDComments {
 		const shouldReload =
 			this.config.apiBaseUrl !== prevConfig.apiBaseUrl ||
 			this.config.pageSize !== prevConfig.pageSize ||
-			this.config.postSlug !== prevConfig.postSlug;
+			this.config.postSlug !== prevConfig.postSlug ||
+			this.config.siteId !== prevConfig.siteId;
 
 		if (shouldReload) {
 			const api = createApiClient(this.config);

docs/widget/src/core/api.js

@@ -50,6 +50,10 @@ export function createApiClient(config) {
 			params.set('avatar_prefix', config.avatarPrefix);
 		}
 
+		if (config.siteId) {
+			params.set('site_id', config.siteId);
+		}
+
 		const response = await fetch(`${baseUrl}/api/comments?${params}`);
 		if (!response.ok) {
 			throw new Error(`获取评论失败：${response.status} ${response.statusText}`);
@@ -82,7 +86,8 @@ export function createApiClient(config) {
 				url: data.url || undefined,
 				content: data.content,
 				parent_id: data.parentId,
-				adminToken: data.adminToken
+				adminToken: data.adminToken,
+				site_id: config.siteId
 			}),
 		});