feat(评论): 添加评论置顶功能

- 在评论表中添加 priority 字段用于控制置顶权重
- 修改所有评论查询接口按 priority 和 created 排序
- 在管理后台添加置顶权重编辑功能
- 在评论列表显示置顶标识

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

@@ -4,7 +4,7 @@ import { Bindings } from '../../bindings';
 export const exportComments = async (c: Context<{ Bindings: Bindings }>) => {
 	try {
 		const { results } = await c.env.CWD_DB.prepare(
-			'SELECT * FROM Comment ORDER BY created DESC'
+			'SELECT * FROM Comment ORDER BY priority DESC, created DESC'
 		).all();
 
 		return c.json(results);

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

@@ -27,7 +27,7 @@ export const listComments = async (c: Context<{ Bindings: Bindings }>) => {
 		.first<{ count: number }>();
 
 	const { results } = await c.env.CWD_DB.prepare(
-		`SELECT * FROM Comment ${whereSql} ORDER BY created DESC LIMIT ? OFFSET ?`
+		`SELECT * FROM Comment ${whereSql} ORDER BY priority DESC, created DESC LIMIT ? OFFSET ?`
 	)
 		.bind(...params, limit, offset)
 		.all();
@@ -52,6 +52,7 @@ export const listComments = async (c: Context<{ Bindings: Bindings }>) => {
 			contentText: row.content_text,
 			contentHtml: row.content_html,
 			status: row.status,
+			priority: row.priority,
 			ua: row.ua,
 			avatar: await getCravatar(row.email, avatarPrefix || undefined)
 		}))

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

@@ -25,10 +25,10 @@ export const updateComment = async (c: Context<{ Bindings: Bindings }>) => {
   }
 
   const existing = await c.env.CWD_DB.prepare(
-    'SELECT id, status, post_slug FROM Comment WHERE id = ?'
+    'SELECT id, status, post_slug, priority FROM Comment WHERE id = ?'
   )
     .bind(id)
-    .first<{ id: number; status: string; post_slug: string }>();
+    .first<{ id: number; status: string; post_slug: string; priority: number | null }>();
 
   if (!existing) {
     return c.json({ message: 'Comment not found' }, 404);
@@ -38,6 +38,7 @@ export const updateComment = async (c: Context<{ Bindings: Bindings }>) => {
   const rawEmail = typeof body.email === 'string' ? body.email : '';
   const rawUrl = typeof body.url === 'string' ? body.url : '';
   const rawStatus = typeof body.status === 'string' ? body.status : existing.status;
+  const rawPriority = body.priority;
   const hasPostSlugField =
     Object.prototype.hasOwnProperty.call(body, 'postSlug') ||
     Object.prototype.hasOwnProperty.call(body, 'post_slug');
@@ -63,6 +64,22 @@ export const updateComment = async (c: Context<{ Bindings: Bindings }>) => {
     ? (rawPostSlug.trim() || existing.post_slug)
     : existing.post_slug;
 
+  let priority: number = typeof existing.priority === 'number' && Number.isFinite(existing.priority)
+    ? existing.priority
+    : 1;
+
+  if (rawPriority !== undefined && rawPriority !== null) {
+    const parsed =
+      typeof rawPriority === 'number'
+        ? rawPriority
+        : typeof rawPriority === 'string' && rawPriority.trim()
+        ? Number.parseInt(rawPriority.trim(), 10)
+        : NaN;
+    if (Number.isFinite(parsed) && parsed >= 1) {
+      priority = parsed;
+    }
+  }
+
   if (!name) {
     return c.json({ message: '昵称不能为空' }, 400);
   }
@@ -90,9 +107,9 @@ export const updateComment = async (c: Context<{ Bindings: Bindings }>) => {
   });
 
   const { success } = await c.env.CWD_DB.prepare(
-    'UPDATE Comment SET name = ?, email = ?, url = ?, content_text = ?, content_html = ?, status = ?, post_slug = ? WHERE id = ?'
+    'UPDATE Comment SET name = ?, email = ?, url = ?, content_text = ?, content_html = ?, status = ?, post_slug = ?, priority = ? WHERE id = ?'
   )
-    .bind(name, email, url, contentText, contentHtml, status, postSlug, id)
+    .bind(name, email, url, contentText, contentHtml, status, postSlug, priority, id)
     .run();
 
   if (!success) {

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

@@ -13,14 +13,13 @@ export const getComments = async (c: Context<{ Bindings: Bindings }>) => {
   if (!post_slug) return c.json({ message: "post_slug is required" }, 400)
 
   try {
-    // 1. 查询审核通过的评论
     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_slug as postSlug, priority
       FROM Comment 
       WHERE post_slug = ? AND status = "approved"
-      ORDER BY created DESC
+      ORDER BY priority DESC, created DESC
     `
     const { results } = await c.env.CWD_DB.prepare(query).bind(post_slug).all()
 
@@ -105,4 +104,4 @@ export const getComments = async (c: Context<{ Bindings: Bindings }>) => {
   } catch (e: any) {
     return c.json({ message: e.message }, 500)
   }
-}
+}