Video 24 (End of section 5)

notes-app/app.js

@@ -55,8 +55,15 @@ yargs.command({
 yargs.command({
   command: 'read',
   describe: 'Read a note',
-  handler() {
+  builder: {
-    console.log('Reading a note');
+    title: {
+      describe: 'Note title',
+      demandOption: true,
+      type: 'string'
+    }
+  },
+  handler(argv) {
+    notes.readNote(argv.title);
   }
 });
 

notes-app/notes.js

@@ -1,15 +1,11 @@
 const fs = require('fs');
 const chalk = require('chalk');
 
-const getNotes = () => {
-  return 'Your notes...'
-}
-
 const addNote = (title, body) => {
   const notes = loadNotes();
-  const duplicateNotes = notes.filter((note) => note.title === title);
+  const duplicateNote = notes.find((note) => note.title === title);
 
-  if (duplicateNotes.length === 0) {
+  if (!duplicateNote) {
     notes.push({
       title: title,
       body: body
@@ -48,6 +44,18 @@ const saveNotes = (notes) => {
   fs.writeFileSync('notes.json', dataJSON);
 }
 
+const readNote = (title) => {
+  const notes = loadNotes();
+  const note = notes.find((note) => note.title === title);
+
+  if (note) {
+    console.log(chalk.cyan.underline(note.title));
+    console.log(note.body);
+  } else {
+    console.log(chalk.bgRed.bold('No note found!'));
+  }
+}
+
 const loadNotes = () => {
   try {
     const dataBuffer = fs.readFileSync('notes.json');
@@ -59,8 +67,8 @@ const loadNotes = () => {
 }
 
 module.exports = {
-  getNotes: getNotes,
   addNote: addNote,
   removeNote: removeNote,
-  listNotes: listNotes
+  listNotes: listNotes,
+  readNote: readNote
 }