Add "Open in Discourse" feature

- Implement command to open published Discourse post directly from Obsidian
- Update frontmatter to store topic ID and Discourse URL
- Add internationalization support for new feature
- Update README with new keyboard shortcut instructions

README.md

@@ -28,3 +28,7 @@
 > 更新的前提是帖子本身是通过obsidian发布的.
 
 ![动图](./pics/20250124-001000.gif)
+
+## 在discourse中打开
+
+在笔记页面, 使用(Ctrl/Cmd + P)打开discourse的帖子.

src/i18n/en.ts

@@ -34,4 +34,9 @@ export default {
     'TRY_AGAIN': 'Please try again',
     'POST_ID_ERROR': 'Published successfully but failed to get post ID',
     'SAVE_POST_ID_ERROR': 'Published successfully but failed to save post ID',
+
+    // Open in Discourse
+    'OPEN_IN_DISCOURSE': 'Open in Discourse',
+    'NO_ACTIVE_FILE': 'No active file',
+    'NO_TOPIC_ID': 'This note has not been published to Discourse yet'
 } 

src/i18n/zh-CN.ts

@@ -34,4 +34,9 @@ export default {
     'TRY_AGAIN': '请重试',
     'POST_ID_ERROR': '发布成功但无法获取帖子ID',
     'SAVE_POST_ID_ERROR': '发布成功但无法保存帖子ID',
+
+    // Open in Discourse
+    'OPEN_IN_DISCOURSE': '在 Discourse 中打开',
+    'NO_ACTIVE_FILE': '没有打开的文件',
+    'NO_TOPIC_ID': '此笔记尚未发布到 Discourse'
 } 

src/main.ts

@@ -37,6 +37,15 @@ export default class DiscourseSyncPlugin extends Plugin {
 			},
 		});
 
+		// Add command to open post in browser
+		this.addCommand({
+			id: "open-in-discourse",
+			name: t('OPEN_IN_DISCOURSE'),
+			callback: () => {
+				this.openInDiscourse();
+			},
+		});
+
 	}
 
 	async loadSettings() {
@@ -173,10 +182,10 @@ export default class DiscourseSyncPlugin extends Plugin {
 			if (response.status === 200) {
 				if (!isUpdate) {
 					try {
-						// Get new post ID
+						// Get new post ID and topic ID
 						const responseData = response.json;
 						if (responseData && responseData.id) {
-							await this.updateFrontMatter(responseData.id);
+							await this.updateFrontMatter(responseData.id, responseData.topic_id);
 						} else {
 							return {
 								message: "Error",
@@ -236,7 +245,7 @@ export default class DiscourseSyncPlugin extends Plugin {
 	}
 
 	// Update frontmatter, add post ID
-	private async updateFrontMatter(postId: number) {
+	private async updateFrontMatter(postId: number, topicId: number) {
 		try {
 			// Get current active file
 			const activeFile = this.app.workspace.getActiveFile();
@@ -246,15 +255,25 @@ export default class DiscourseSyncPlugin extends Plugin {
 
 			const content = await this.app.vault.read(activeFile);
 			const fm = this.getFrontMatter(content);
+			const discourseUrl = `${this.settings.baseUrl}/t/${topicId}`;
 			
 			let newContent: string;
 			if (fm) {
 				// Update existing frontmatter
-				const updatedFm = { ...fm, discourse_post_id: postId };
+				const updatedFm = { 
+					...fm, 
+					discourse_post_id: postId, 
+					discourse_topic_id: topicId,
+					discourse_url: discourseUrl
+				};
 				newContent = content.replace(/^---\n[\s\S]*?\n---\n/, `---\n${yaml.stringify(updatedFm)}---\n`);
 			} else {
 				// Add new frontmatter
-				const newFm = { discourse_post_id: postId };
+				const newFm = { 
+					discourse_post_id: postId, 
+					discourse_topic_id: topicId,
+					discourse_url: discourseUrl
+				};
 				newContent = `---\n${yaml.stringify(newFm)}---\n${content}`;
 			}
 			
@@ -393,6 +412,27 @@ export default class DiscourseSyncPlugin extends Plugin {
 		await this.openCategoryModal();
 	}
 
+	private async openInDiscourse() {
+		const activeFile = this.app.workspace.getActiveFile();
+		if (!activeFile) {
+			new NotifyUser(this.app, t('NO_ACTIVE_FILE')).open();
+			return;
+		}
+
+		const content = await this.app.vault.read(activeFile);
+		const fm = this.getFrontMatter(content);
+		const discourseUrl = fm?.discourse_url;
+		const topicId = fm?.discourse_topic_id;
+
+		if (!discourseUrl && !topicId) {
+			new NotifyUser(this.app, t('NO_TOPIC_ID')).open();
+			return;
+		}
+
+		const url = discourseUrl || `${this.settings.baseUrl}/t/${topicId}`;
+		window.open(url, '_blank');
+	}
+
 	onunload() {}
 
 }