From 999265c2951397fb228aec5ac8abddcf957ad212 Mon Sep 17 00:00:00 2001 From: RomanHasiuk Date: Wed, 11 Feb 2026 20:01:29 +0200 Subject: [PATCH 1/3] Solution --- db/expense.json | 6 +- public/index.html | 155 ++++++++++++++++++++++++++++++++++++++++++++ src/createServer.js | 62 +++++++++++++++++- 3 files changed, 216 insertions(+), 7 deletions(-) create mode 100644 public/index.html diff --git a/db/expense.json b/db/expense.json index 1bc75a6..1257e7a 100644 --- a/db/expense.json +++ b/db/expense.json @@ -1,5 +1 @@ -{ - "date": "2024-01-25", - "title": "Test Expense", - "amount": "100" -} \ No newline at end of file +{"date":"2024-01-25","title":"Test Expense","amount":"100"} \ No newline at end of file diff --git a/public/index.html b/public/index.html new file mode 100644 index 0000000..419bd39 --- /dev/null +++ b/public/index.html @@ -0,0 +1,155 @@ + + + + + + + Document + + + + +
+

💰Expense Tracker

+

Додайте нову витрату

+ +
+
+ + +
+ +
+ + +
+ +
+ + +
+ + +
+
+ + + \ No newline at end of file diff --git a/src/createServer.js b/src/createServer.js index 1cf1dda..f2cd1e6 100644 --- a/src/createServer.js +++ b/src/createServer.js @@ -1,8 +1,66 @@ 'use strict'; +const http = require('http'); +const path = require('path'); +const fs = require('fs'); +const querystring = require('querystring'); + +const dataPath = path.resolve(__dirname, '..', 'db', 'expense.json'); +const htmlPath = path.resolve(__dirname, '..', 'public', 'index.html'); + function createServer() { - /* Write your code here */ - // Return instance of http.Server class + return http.createServer((req, res) => { + if (req.method === 'GET' && req.url === '/') { + fs.readFile(htmlPath, (err, data) => { + if (err) { + res.writeHead(500); + + return res.end('Error loading index.html'); + } + res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' }); + res.end(data); + }); + + return; + } + + if (req.method === 'POST' && req.url === '/add-expense') { + let body = ''; + + req.on('data', (chunk) => { + body += chunk.toString(); + }); + + req.on('end', () => { + try { + const contentType = req.headers['content-type']; + const expense = + contentType === 'application/json' + ? JSON.parse(body) + : querystring.parse(body); + + if (!expense.date || !expense.title || !expense.amount) { + res.writeHead(400, { 'Content-Type': 'text/plain' }); + + return res.end('Missing fields'); + } + + fs.writeFileSync(dataPath, JSON.stringify(expense)); + + res.writeHead(200, { 'Content-Type': 'application/json' }); + res.end(JSON.stringify(expense)); + } catch (error) { + res.writeHead(400); + res.end('Invalid Data'); + } + }); + + return; + } + + res.writeHead(404); + res.end('Not Found'); + }); } module.exports = { From 3b20281573f10ff006ea9c33cb99c97aaa34ace0 Mon Sep 17 00:00:00 2001 From: RomanHasiuk Date: Wed, 11 Feb 2026 21:01:04 +0200 Subject: [PATCH 2/3] Solution #2 --- db/expense.json | 6 +++++- src/createServer.js | 33 ++++++++++++++++++++++++++------- 2 files changed, 31 insertions(+), 8 deletions(-) diff --git a/db/expense.json b/db/expense.json index 1257e7a..788f275 100644 --- a/db/expense.json +++ b/db/expense.json @@ -1 +1,5 @@ -{"date":"2024-01-25","title":"Test Expense","amount":"100"} \ No newline at end of file +{ + "date": "2026-02-05", + "title": "oih8jhy", + "amount": "987" +} \ No newline at end of file diff --git a/src/createServer.js b/src/createServer.js index f2cd1e6..d59bf4e 100644 --- a/src/createServer.js +++ b/src/createServer.js @@ -34,10 +34,10 @@ function createServer() { req.on('end', () => { try { const contentType = req.headers['content-type']; - const expense = - contentType === 'application/json' - ? JSON.parse(body) - : querystring.parse(body); + const isJson = + contentType && contentType.startsWith('application/json'); + + const expense = isJson ? JSON.parse(body) : querystring.parse(body); if (!expense.date || !expense.title || !expense.amount) { res.writeHead(400, { 'Content-Type': 'text/plain' }); @@ -45,10 +45,29 @@ function createServer() { return res.end('Missing fields'); } - fs.writeFileSync(dataPath, JSON.stringify(expense)); + const prettyJson = JSON.stringify(expense, null, 2); + + fs.writeFileSync(dataPath, prettyJson); - res.writeHead(200, { 'Content-Type': 'application/json' }); - res.end(JSON.stringify(expense)); + if (isJson) { + res.writeHead(200, { 'Content-Type': 'application/json' }); + res.end(JSON.stringify(expense)); + } else { + const responseHtml = ` + + + Expense Saved + +

Expense Added Successfully

+ 
${prettyJson}
+ Add another one + + + `; + + res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' }); + res.end(responseHtml); + } } catch (error) { res.writeHead(400); res.end('Invalid Data'); From 6d4f116959cee3e9c21f0cb83e3b6861583c98b4 Mon Sep 17 00:00:00 2001 From: RomanHasiuk Date: Wed, 11 Feb 2026 21:57:51 +0200 Subject: [PATCH 3/3] Solution #3 --- db/expense.json | 6 +++--- public/index.html | 2 +- src/createServer.js | 26 +++++++++++++------------- 3 files changed, 17 insertions(+), 17 deletions(-) diff --git a/db/expense.json b/db/expense.json index 788f275..1bc75a6 100644 --- a/db/expense.json +++ b/db/expense.json @@ -1,5 +1,5 @@ { - "date": "2026-02-05", - "title": "oih8jhy", - "amount": "987" + "date": "2024-01-25", + "title": "Test Expense", + "amount": "100" } \ No newline at end of file diff --git a/public/index.html b/public/index.html index 419bd39..4a5cdc9 100644 --- a/public/index.html +++ b/public/index.html @@ -147,7 +147,7 @@

💰Expense Tracker

- + diff --git a/src/createServer.js b/src/createServer.js index d59bf4e..6d88c03 100644 --- a/src/createServer.js +++ b/src/createServer.js @@ -34,10 +34,12 @@ function createServer() { req.on('end', () => { try { const contentType = req.headers['content-type']; - const isJson = + const isJsonRequest = contentType && contentType.startsWith('application/json'); - const expense = isJson ? JSON.parse(body) : querystring.parse(body); + const expense = isJsonRequest + ? JSON.parse(body) + : querystring.parse(body); if (!expense.date || !expense.title || !expense.amount) { res.writeHead(400, { 'Content-Type': 'text/plain' }); @@ -49,21 +51,19 @@ function createServer() { fs.writeFileSync(dataPath, prettyJson); - if (isJson) { + if (isJsonRequest) { res.writeHead(200, { 'Content-Type': 'application/json' }); res.end(JSON.stringify(expense)); } else { const responseHtml = ` - - - Expense Saved - -

Expense Added Successfully

- 
${prettyJson}
- Add another one - - - `; + + + + + 
${prettyJson}
+ + + `; res.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8' }); res.end(responseHtml);