tyrel/udemy-node-notes
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Tyrel Souza 2017-11-20 18:55:27 -05:00
commit c031aabdb5
6 changed files with 487 additions and 0 deletions
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52
app.js Normal file
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const fs = require('fs');
const _ = require('lodash');
const yargs = require('yargs');
const notes = require('./notes.js');
const argv = yargs.argv;
var command = argv._[0]
var noteTitle = argv.title;
var logNote = (note) => {
console.log(`Title: ${note.title}`);
console.log(`Body: ${note.body}`);
}
switch (command){
case 'add':
var note = notes.addNote(noteTitle, argv.body);
if (note){
logNote(note);
} else {
console.log(`No note added: ${noteTitle} exists already.`);
}
break;
case 'list':
var allNotes = notes.getAll();
if (allNotes){
console.log("All Notes:");
for (var idx in allNotes){
console.log(`Title: ${allNotes[idx].title}`)
}
} else {
console.log("No notes found.");
}
break;
case 'read':
var note = notes.getNote(noteTitle);
if(note){
logNote(note);
} else {
console.log(`Can't find "${noteTitle}"`);
}
break;
case 'remove':
var noteRemoved = notes.removeNote(noteTitle);
var message = noteRemoved ? `"${noteTitle}" was removed` : "No note removed";
console.log(message);
break;
default:
console.log("Command not found");
}

1
notes-data.json Normal file
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[{"title":"Tuesday","body":"sucks"},{"title":"modday","body":"sucks"}]

58
notes.js Normal file
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const fs = require('fs');
var fetchNotes = () => {
try {
var notesString = fs.readFileSync('notes-data.json');
return JSON.parse(notesString);
} catch (e) {
console.log("File doesn't exist, making new file.");
return [];
}
}
var saveNotes = (notes) => {
fs.writeFileSync(
'notes-data.json',
JSON.stringify(notes)
);
}
var addNote = (title, body) => {
var notes = fetchNotes();
var note = {
title,
body,
};
var duplicateNotes = notes.filter((note) => note.title === title);
if (duplicateNotes.length === 0) {
notes.push(note);
saveNotes(notes);
console.log(`Added note: ${note.title}`);
console.log("--");
return note;
}
}
var getAll = () => {
return fetchNotes();
}
var getNote = (title) => {
var notes = fetchNotes().filter((note) => note.title === title);
return notes[0];
}
var removeNote = (title) => {
console.log("Deleting", title);
var notes = fetchNotes();
filteredNotes = notes.filter((note) => note.title !== title);
saveNotes(filteredNotes);
return notes.length !== filteredNotes.length;
}
module.exports = {
addNote,
getAll,
getNote,
removeNote,
}

350
package-lock.json generated Normal file
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package.json Normal file
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{
"name": "notes",
"version": "0.0.1",
"description": "",
"main": "app.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "Tyrel Souza",
"license": "ISC",
"dependencies": {
"lodash": "^4.17.4",
"yargs": "^4.7.1"
}
}

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playground/json.js Normal file
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const fs = require('fs');
var originalNote = {title: 'some title', body: 'some body'}
var originalNoteString = JSON.stringify(originalNote);
fs.writeFileSync('notes.json', originalNoteString);
var noteString = fs.readFileSync('notes.json');
var note = JSON.parse(noteString);
console.log(note.title);