📝 Note-Taking Automation

Note Taking

🎯 Mục tiêu bài học

TB5 min

Sau bài học này, bạn sẽ:

✅ Kết nối Notion với n8n cho note management

✅ Xây dựng web clipper và email-to-notes workflows

✅ Implement auto-tagging và inbox processing

✅ Tạo daily notes tự động và sync giữa Notion/Obsidian

Capturing và organizing knowledge thủ công rất time-consuming. Bài này hướng dẫn automate note-taking để build personal knowledge base effortlessly.

Task 0

🔍 Note Automation Overview

TB5 min

What to Automate:

📝Note-Taking Automation

📥Capture

🌐Web clippings

📧Email highlights

🔖Social bookmarks

🎙️Voice notes transcription

📸Screenshot OCR

🗂️Organize

🏷️Auto-tagging

📂Smart categorization

🔗Linking related notes

📥Inbox processing

🗄️Archive management

🔄Sync

💻Cross-platform sync

☁️Backup to cloud

📤Export formats

📋Version control

Checkpoint

Ba category chính của note automation là gì?

Task 1

🛠️ Notion Setup

TB5 min

Connect Notion:

Ví dụ

11. Add Notion node
22. Create Integration at notion.so/my-integrations
33. Get Internal Integration Token
44. Share database with integration
55. Copy database ID from URL

Database Structure:

🗃️Recommended Notion Database

📌Title (title)

📋Type (select): Article, Video, Tweet, Note

📊Status (select): Inbox, Processing, Done

🏷️Tags (multi-select)

🔗Source URL (url)

📅Created (date)

📝Summary (rich_text)

📄Content (page content)

Checkpoint

Notion database nên có những properties nào?

Task 2

⚡ Workflow 1: Web Clipper

TB5 min

Save Articles via Webhook:

Web Clipper

🔗Webhook: /clip

📄Extract Article Content

🤖Summarize with AI

📝Create Notion Page

✅Return Success

Extract Article Content:

JavaScript

1const url = $input.item.json.url;
2
3// Use HTTP Request to fetch page
4// Or use external API like Mercury Parser
5
6return {
7  url,
8  title: $input.item.json.title || 'Untitled',
9  content: $input.item.json.content || '',
10  extractedAt: new Date().toISOString()
11};

Create Notion Page:

JSON

1{
2  "name": "Create Notion Page",
3  "type": "n8n-nodes-base.notion",
4  "parameters": {
5    "operation": "create",
6    "databaseId": "your-database-id",
7    "title": "={{ $json.title }}",
8    "properties": {
9      "Type": {
10        "select": { "name": "Article" }
11      },
12      "Status": {
13        "select": { "name": "Inbox" }
14      },
15      "Source URL": {
16        "url": "={{ $json.url }}"
17      },
18      "Created": {
19        "date": { "start": "={{ $json.extractedAt }}" }
20      },
21      "Summary": {
22        "rich_text": [{ "text": { "content": "={{ $json.summary }}" }}]
23      }
24    }
25  }
26}

iOS Shortcut Integration:

JavaScript

1// Webhook receives from iOS Shortcut:
2// {
3//   "url": "https://example.com/article",
4//   "title": "Article Title",
5//   "selection": "Selected text if any"
6// }
7
8const input = $input.item.json;
9
10return {
11  url: input.url,
12  title: input.title,
13  highlight: input.selection,
14  source: 'iOS Shortcut',
15  savedAt: new Date().toISOString()
16};

Checkpoint

Web clipper workflow hoạt động qua những bước nào?

Task 3

🔧 Workflow 2: Email to Notes

TB5 min

Save Important Emails:

Email to Notion

📧Gmail Trigger: Label 'Save to Notes'

📄Extract Content

📎Process Attachments

📝Create Notion Page

📥Archive Email

Email Processing:

JavaScript

1const email = $input.item.json;
2
3// Clean up email content
4let content = email.text || email.snippet;
5
6// Remove signatures
7content = content.replace(/--\s*\n[\s\S]*$/m, '');
8content = content.replace(/Sent from my iPhone/g, '');
9
10// Extract key info
11const fromName = email.from.split('<')[0].trim();
12const date = new Date(email.internalDate);
13
14return {
15  title: email.subject,
16  content: content,
17  source: fromName,
18  sourceEmail: email.from,
19  receivedDate: date.toISOString(),
20  type: 'Email',
21  emailId: email.id
22};

Checkpoint

Email-to-notes workflow xử lý content email như thế nào?

Task 4

🏗️ Workflow 3: Social Bookmarks

TB5 min

Save Twitter/X Bookmarks:

Twitter to Notion

⏰Schedule: Daily

🐦Get Twitter Bookmarks via API

🔁For Each Tweet

🔍Check if Already Saved

📝No → Create Notion Page

⏭️Yes → Skip

Tweet Processing:

JavaScript

1const tweet = $input.item.json;
2
3// Extract thread if needed
4const isThread = tweet.conversation_id !== tweet.id;
5
6// Extract media
7const hasMedia = tweet.attachments?.media_keys?.length > 0;
8
9// Clean tweet text
10let content = tweet.text;
11
12// Remove t.co links
13content = content.replace(/https:\/\/t\.co\/\w+/g, '');
14
15return {
16  title: content.substring(0, 50) + (content.length > 50 ? '...' : ''),
17  content: content,
18  author: tweet.author.username,
19  authorName: tweet.author.name,
20  tweetUrl: `https://twitter.com/${tweet.author.username}/status/${tweet.id}`,
21  isThread,
22  hasMedia,
23  metrics: {
24    likes: tweet.public_metrics.like_count,
25    retweets: tweet.public_metrics.retweet_count
26  },
27  savedAt: new Date().toISOString()
28};

Checkpoint

Social bookmarks workflow kiểm tra duplicate bằng cách nào?

Task 5

📊 Workflow 4: Auto-Tagging

TB5 min

Smart Tag Assignment:

JavaScript

1const note = $input.item.json;
2const content = (note.title + ' ' + note.content).toLowerCase();
3
4// Define tag rules
5const tagRules = [
6  { keywords: ['ai', 'machine learning', 'gpt', 'neural'], tag: 'AI/ML' },
7  { keywords: ['javascript', 'react', 'node', 'typescript'], tag: 'Development' },
8  { keywords: ['productivity', 'habit', 'routine', 'efficiency'], tag: 'Productivity' },
9  { keywords: ['business', 'startup', 'entrepreneur', 'revenue'], tag: 'Business' },
10  { keywords: ['design', 'ui', 'ux', 'figma'], tag: 'Design' },
11  { keywords: ['marketing', 'seo', 'growth', 'conversion'], tag: 'Marketing' },
12  { keywords: ['book', 'reading', 'author'], tag: 'Books' },
13  { keywords: ['video', 'youtube', 'watch'], tag: 'Video' }
14];
15
16const matchedTags = [];
17
18for (const rule of tagRules) {
19  if (rule.keywords.some(kw => content.includes(kw))) {
20    matchedTags.push(rule.tag);
21  }
22}
23
24// Default tag if no matches
25if (matchedTags.length === 0) {
26  matchedTags.push('Uncategorized');
27}
28
29return {
30  ...note,
31  autoTags: matchedTags
32};

AI-Powered Tagging:

JavaScript

1// Use OpenAI to suggest tags
2const note = $input.item.json;
3
4const prompt = `
5Analyze this note and suggest 1-3 relevant tags from this list:
6[AI/ML, Development, Productivity, Business, Design, Marketing, Personal, Health, Finance, Books, Video, Tools]
7
8Title: ${note.title}
9Content: ${note.content.substring(0, 500)}
10
11Return only the tags as a comma-separated list, nothing else.
12`;
13
14return {
15  prompt,
16  noteData: note
17};
18
19// After OpenAI call:
20// Parse response and extract tags

Checkpoint

Auto-tagging system sử dụng keyword matching rules như thế nào?

Task 6

💡 Workflow 5: Inbox Processing

TB5 min

Weekly Inbox Cleanup:

Process Inbox

⏰Schedule: Sunday 6 PM

📋Get Notes with Status = 'Inbox'

🔁For Each Note

📦Old (> 7 days) → Move to Archive

🏷️Recent → Generate Summary & Tags

🔄Update Status to 'Processing'

💬Send Review List to Slack

Inbox Processing Logic:

JavaScript

1const notes = $input.all();
2const now = new Date();
3const weekAgo = new Date(now - 7 * 24 * 60 * 60 * 1000);
4
5const toArchive = [];
6const toProcess = [];
7const needsReview = [];
8
9for (const note of notes) {
10  const createdAt = new Date(note.json.created);
11  const daysSince = Math.floor((now - createdAt) / (1000 * 60 * 60 * 24));
12  
13  if (createdAt < weekAgo) {
14    // Old unprocessed notes go to archive
15    toArchive.push({
16      id: note.json.id,
17      title: note.json.title,
18      reason: `Unprocessed for ${daysSince} days`
19    });
20  } else if (note.json.autoTags?.length === 0) {
21    // Needs tagging
22    needsReview.push({
23      id: note.json.id,
24      title: note.json.title,
25      action: 'needs_tags'
26    });
27  } else {
28    toProcess.push({
29      id: note.json.id,
30      title: note.json.title,
31      tags: note.json.autoTags
32    });
33  }
34}
35
36return {
37  toArchive,
38  toProcess,
39  needsReview,
40  summary: {
41    total: notes.length,
42    archiving: toArchive.length,
43    processing: toProcess.length,
44    review: needsReview.length
45  }
46};

Checkpoint

Inbox processing workflow xử lý notes cũ hơn 7 ngày như thế nào?

Task 7

🌟 Workflow 6: Obsidian Sync

TB5 min

Sync Notion to Obsidian:

Notion → Obsidian

⏰Schedule: Daily

📄Get Updated Notion Pages

📝Convert to Markdown

💎Write to Obsidian Vault

Convert to Markdown:

JavaScript

1const page = $input.item.json;
2
3// Convert Notion properties to frontmatter
4const frontmatter = `---
5title: "${page.title}"
6tags: [${page.tags?.join(', ') || ''}]
7source: ${page.sourceUrl || ''}
8created: ${page.created}
9status: ${page.status}
10
11`;
12
13// Convert Notion blocks to markdown
14const content = page.content || '';
15
16// Build wikilinks for tags
17const wikilinks = page.tags?.map(tag => `[[${tag}]]`).join(' ') || '';
18
19const markdown = frontmatter + content + '\n\n' + wikilinks;
20
21return {
22  filename: page.title.replace(/[<>:"/\\|?*]/g, '-') + '.md',
23  content: markdown,
24  folder: page.type || 'Inbox'
25};

Checkpoint

Notion to Obsidian sync convert content thành format gì?

Task 8

📈 Workflow 7: Daily Notes

TB5 min

Auto-Generate Daily Note:

Daily Note Creator

⏰Schedule: 6 AM Daily

📅Get Today's Calendar Events

✅Get Incomplete Tasks

📝Get Yesterday's Notes

📄Generate Daily Note Template

💾Create in Notion/Obsidian

Daily Note Template:

JavaScript

1const events = $('Get Calendar').all();
2const tasks = $('Get Tasks').all();
3const yesterdayNotes = $('Get Notes').all();
4
5const today = new Date();
6const dateStr = today.toISOString().split('T')[0];
7const dayName = today.toLocaleDateString('en-US', { weekday: 'long' });
8
9const template = `
10# ${dayName}, ${dateStr}
11
12## �� Focus
13What's the ONE thing I need to accomplish today?
14- [ ] 
15
16## �� Schedule
17${events.map(e => `- ${new Date(e.json.start.dateTime).toLocaleTimeString('en-US', {hour: '2-digit', minute:'2-digit'})} - ${e.json.summary}`).join('\n') || 'No meetings scheduled'}
18
19## ✅ Tasks
20### Carried Over
21${tasks.filter(t => !t.json.completed).slice(0, 5).map(t => `- [ ] ${t.json.title}`).join('\n') || '- [ ] All caught up!'}
22
23### Today
24- [ ] 
25- [ ] 
26- [ ] 
27
28## �� Notes
29(Quick capture throughout the day)
30
31## �� Learning
32Notes saved yesterday: ${yesterdayNotes.length}
33${yesterdayNotes.slice(0, 3).map(n => `- [[${n.json.title}]]`).join('\n')}
34
35## �� Evening Review
36- What went well?
37- What could be improved?
38- What am I grateful for?
39
40*Daily note auto-generated by n8n*
41`;
42
43return {
44  title: `Daily Note - ${dateStr}`,
45  content: template,
46  date: dateStr
47};

Checkpoint

Daily notes template bao gồm những sections nào?

Task 9

📋 Best Practices

TB5 min

Note Automation Tips

Capture:

✅ Make capture frictionless (1-click)
✅ Add source URL always
✅ Capture now, process later

Organize:

✅ Use consistent tagging
✅ Regular inbox cleanup
✅ Link related notes

Avoid:

❌ Over-capturing (quality > quantity)
❌ Too many tags
❌ Orphan notes (no connections)

Checkpoint

Tại sao nên capture now, process later?

Task 10

📝 Bài Tập Thực Hành

TB5 min

Note-Taking Challenge

Build your knowledge system:

Create web clipper webhook + iOS Shortcut
Set up email to notes workflow
Implement auto-tagging system
Build weekly inbox processor
Create daily note template generator

Build your second brain! 🧠

Checkpoint

Bạn đã hoàn thành những challenges nào trong bài tập?

Task 11

🧠 Key Takeaways

TB5 min

Remember

📥 Capture fast - Minimize friction
🏷️ Tag smart - Auto-tag when possible
📦 Process regularly - Inbox zero weekly
🔗 Connect notes - Build knowledge graph
🔄 Sync everywhere - Access from any device

Checkpoint

Nguyên tắc Inbox zero weekly nghĩa là gì?

Task 12

🚀 Bài tiếp theo

Personal Dashboards — Daily briefings và information aggregation.