feat: anchor comment

cloudflare-workers/src/administration.ts

@@ -55,7 +55,7 @@ export async function modifyComments(env: Env, path: string, diff: ModifiedComme
 	await updateCommentOffsets(env, path, calcOffsetModification(offsets, diff));
 }
 
-export async function sendCommentUpdateToTelegram(env: Env, req: PostComment, username: string) {
+export async function sendCommentUpdateToTelegram(env: Env, req: PostComment, username: string, commentId: number) {
 	let title = req.path;
 	let offset = `${req.offset.start}-${req.offset.end}`;
 
@@ -82,7 +82,7 @@ export async function sendCommentUpdateToTelegram(env: Env, req: PostComment, us
 
 	let message =
 		`💬 New paragraph comment on ` +
-		`[${escapeTelegramMarkdown(`${title}`)}](${escapeTelegramMarkdown(`https://oi-wiki.org${req.path}`)})\n` +
+		`[${escapeTelegramMarkdown(`${title}`)}](${escapeTelegramMarkdown(`https://oi-wiki.org${req.path}#comment-${commentId}`)})\n` +
 		`> ${escapeTelegramMarkdown(offset)}\n` +
 		`by ${escapeTelegramMarkdown(username)}\n\n`;
 

cloudflare-workers/src/db.ts

@@ -1,6 +1,6 @@
 import { Commenter, GetComment, GetCommentRespBody, Offset, PostComment } from './types';
 
-export async function postComment(env: Env, req: PostComment) {
+export async function postComment(env: Env, req: PostComment): Promise<number> {
 	const db = env.DB;
 
 	// 插入页面（如果不存在）并返回 ID
@@ -33,7 +33,7 @@ export async function postComment(env: Env, req: PostComment) {
 	const offsetId = offsetResult.id;
 
 	// 插入评论
-	await db
+	const commentResult = (await db
 		.prepare(
 			`
         INSERT INTO comments (offset_id, commenter_id, comment, created_time)
@@ -43,10 +43,13 @@ export async function postComment(env: Env, req: PostComment) {
             ?,
             ?
         )
+		RETURNING id
     `,
 		)
 		.bind(offsetId, req.commenter.oauth_provider, req.commenter.oauth_user_id, req.comment, new Date().toISOString())
-		.run();
+		.first())!;
+
+	return commentResult.id as number;
 }
 
 export async function deleteComment(env: Env, id: number) {

cloudflare-workers/src/index.ts

@@ -123,9 +123,9 @@ router.post('/comment/:path', async (req, env, ctx) => {
 		comment: body.comment,
 	};
 
-	await postComment(env, data);
+	const commentId = await postComment(env, data);
 
-	ctx.waitUntil(sendCommentUpdateToTelegram(env, data, token.name));
+	ctx.waitUntil(sendCommentUpdateToTelegram(env, data, token.name, commentId));
 
 	const cache = caches.default;
 	ctx.waitUntil(purgeCommentCache(env, cache, new URL(req.url).origin, params.path));

frontend/lib/main.ts

@@ -99,6 +99,41 @@ const _decodeJWT = () => {
   return JSON.parse(payload) as JWTPayload;
 };
 
+const _handleAnchor = async () => {
+  const url = new URL(window.location.href);
+  const anchor = url.hash;
+  if (!anchor) return;
+
+  const rawCommentId = /#comment-(\d+)/.exec(anchor)?.[1];
+  if (!rawCommentId) return;
+  const commentId = parseInt(rawCommentId);
+
+  await _fetchComments();
+  const comment = commentsCache?.find((it) => it.id === commentId);
+  if (!comment) return;
+
+  const offsets = [comment.offset.start, comment.offset.end];
+  const paragraph = document.querySelector<HTMLDivElement>(
+    `[data-review-enabled][data-original-document-start="${offsets[0]}"][data-original-document-end="${offsets[1]}"]`,
+  );
+  if (!paragraph) return;
+
+  await _selectOffsetParagraph({
+    el: paragraph,
+    focusReply: true,
+  });
+
+  const commentEl = document.querySelector<HTMLDivElement>(
+    `.comment[data-id="${commentId}"]`,
+  );
+
+  commentEl?.classList.add("comment_highlighting");
+  commentEl?.scrollIntoView({
+    behavior: "smooth",
+    block: "center",
+  });
+};
+
 const _logout = () => {
   document.cookie =
     "oauth_token=; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT; secure";
@@ -153,7 +188,7 @@ const _registerDialog = ({
   return dialog;
 };
 
-const _selectOffsetParagraph = ({
+const _selectOffsetParagraph = async ({
   el,
   focusReply = false,
 }: {
@@ -168,7 +203,7 @@ const _selectOffsetParagraph = ({
   if (selectedOffset?.dataset.reviewHasComments || focusReply) {
     delete selectedOffset.dataset.reviewFocused;
     selectedOffset.dataset.reviewSelected = "true";
-    _openCommentsPanel();
+    await _openCommentsPanel();
   }
 };
 
@@ -611,6 +646,7 @@ const _renderComments = (comments: Comment[]) => {
               <span class="comment_time comment_created_time">发布于 ${dateTimeFormatter.format(new Date(comment.created_time))}</span>
               <span class="comment_time comment_edited_time">最后编辑于 ${comment.last_edited_time ? dateTimeFormatter.format(new Date(comment.last_edited_time)) : ""}</span>
               <div class="comment_actions">
+                <button class="comment_actions_item" data-action="copy_permalink">复制链接地址</button>
                 <button class="comment_actions_item" data-action="modify">修改</button>
                 <button class="comment_actions_item" data-action="delete">删除</button>
               </div>
@@ -733,6 +769,22 @@ const _renderComments = (comments: Comment[]) => {
         };
 
         switch (target?.dataset.action) {
+          case "copy_permalink": {
+            target.dataset.tag = "using";
+            const commentEl = container.querySelector(
+              `.comment:has([data-tag="using"][data-action="${target?.dataset.action}"])`,
+            ) as HTMLDivElement;
+            delete target.dataset.tag;
+            const id = commentEl?.dataset?.id;
+            if (id == undefined) return;
+
+            const permalink = new URL(window.location.href);
+            permalink.hash = `#comment-${id}`;
+            navigator.clipboard.writeText(permalink.toString()).then(() => {
+              notification.textContent = "已复制评论链接地址";
+            });
+            break;
+          }
           case "login": {
             if (!githubMeta) {
               console.log("githubMeta not ready");
@@ -1086,6 +1138,8 @@ export function setupReview(
   // initialize comments panel position
   _closeCommentsPanel();
 
+  _handleAnchor();
+
   console.log(
     `oiwiki-feedback-sys-frontend version ${__VERSION__} has been successfully installed.`,
   );

frontend/lib/style.css

@@ -4,6 +4,18 @@
   [data-review-enabled][data-original-document-start][data-original-document-end];
 @custom-media --mobile (width <= 768px);
 
+@keyframes HighlightBackground {
+  0% {
+    background-color: rgba(255, 255, 255, 0);
+  }
+  50% {
+    background-color: var(--review-variant-color);
+  }
+  100% {
+    background-color: rgba(255, 255, 255, 0);
+  }
+}
+
 :root {
   --review-primary-color: #ffc60a;
   --review-secondary-color: #fcdf7e;
@@ -343,6 +355,14 @@
     opacity: 0.5;
   }
 
+  & .comment {
+    transition: background-color 0.3s;
+
+    &.comment_highlighting {
+      animation: HighlightBackground ease-in-out 1s;
+    }
+  }
+
   & .comment_main {
     position: relative;