hw02

app.js

@@ -1,25 +1,25 @@
-const express = require('express')
-const logger = require('morgan')
-const cors = require('cors')
+const express = require("express");
+const logger = require("morgan");
+const cors = require("cors");
 
-const contactsRouter = require('./routes/api/contacts')
+const contactsRouter = require("./routes/api/contacts");
 
-const app = express()
+const app = express();
 
-const formatsLogger = app.get('env') === 'development' ? 'dev' : 'short'
+const formatsLogger = app.get("env") === "development" ? "dev" : "short";
 
-app.use(logger(formatsLogger))
-app.use(cors())
-app.use(express.json())
+app.use(logger(formatsLogger));
+app.use(cors());
+app.use(express.json());
 
-app.use('/api/contacts', contactsRouter)
+app.use("/api/contacts", contactsRouter);
 
 app.use((req, res) => {
-  res.status(404).json({ message: 'Not found' })
-})
+  res.status(404).json({ message: "Not found" });
+});
 
 app.use((err, req, res, next) => {
-  res.status(500).json({ message: err.message })
-})
+  res.status(500).json({ message: err.message });
+});
 
-module.exports = app
+module.exports = app;

models/contacts.js

@@ -1,19 +1,72 @@
-// const fs = require('fs/promises')
+const { read } = require("fs");
+const fs = require("fs/promises");
+const path = require("path");
+const { v4: uuidv4 } = require("uuid");
 
-const listContacts = async () => {}
+const contactsPath = path.join(__dirname, "contacts.json");
 
-const getContactById = async (contactId) => {}
+const readContactsFile = async () => {
+  try {
+    const data = await fs.readFile(contactsPath, "utf-8");
+    return JSON.parse(data);
+  } catch (error) {
+    console.error("Error reading contacts file:", error.message);
+    return [];
+  }
+};
 
-const removeContact = async (contactId) => {}
+const writeContactsFile = async (contacts) => {
+  try {
+    await fs.writeFile(contactsPath, JSON.stringify(contacts, null, 2));
+  } catch (error) {
+    console.error("Error writing contacts file:", error.message);
+  }
+};
 
-const addContact = async (body) => {}
+const listContacts = async () => {
+  return await readContactsFile();
+};
 
-const updateContact = async (contactId, body) => {}
+const getContactById = async (contactId) => {
+  const contacts = await readContactsFile();
+  return contacts.find((contact) => contact.id === contactId) || null;
+};
+
+const removeContact = async (contactId) => {
+  const contacts = await readContactsFile();
+  const index = contacts.findIndex((contact) => contact.id === contactId);
+
+  if (index === -1) return null;
+
+  const [removedContact] = contacts.splice(index, 1);
+  await writeContactsFile(contacts);
+  return removedContact;
+};
+
+const addContact = async (body) => {
+  const contacts = await readContactsFile();
+  const newContact = { id: uuidv4(), ...body };
+
+  contacts.push(newContact);
+  await writeContactsFile(contacts);
+  return newContact;
+};
+
+const updateContact = async (contactId, body) => {
+  const contacts = await readContactsFile();
+  const index = contacts.findIndex((contact) => contact.id === contactId);
+
+  if (index === -1) return null;
+
+  contacts[index] = { ...contacts[index], ...body };
+  await writeContactsFile(contacts);
+  return contacts[index];
+};
 
 module.exports = {
   listContacts,
   getContactById,
   removeContact,
   addContact,
   updateContact,
-}
+};

models/contacts.json

@@ -1,9 +1,9 @@
 [
   {
     "id": "AeHIrLTr6JkxGE6SN-0Rw",
-    "name": "Allen Raymond",
-    "email": "[email protected]",
-    "phone": "(992) 914-3792"
+    "name": "Sebastian",
+    "email": "[email protected]",
+    "phone": "123456789"
   },
   {
     "id": "qdggE76Jtbfd9eWJHrssH",
@@ -58,5 +58,11 @@
     "name": "Alec Howard",
     "email": "[email protected]",
     "phone": "(748) 206-2688"
+  },
+  {
+    "id": "c967f137-6519-4c36-a0a2-1110e98fce27",
+    "name": "Aaaaa Test",
+    "email": "[email protected]",
+    "phone": "11111111"
   }
-]
+]

package.json

@@ -12,7 +12,9 @@
     "cors": "2.8.5",
     "cross-env": "7.0.3",
     "express": "4.17.1",
-    "morgan": "1.10.0"
+    "joi": "^17.13.3",
+    "morgan": "1.10.0",
+    "uuid": "^11.0.2"
   },
   "devDependencies": {
     "eslint": "7.19.0",