Hw02 Anca Sabadeanu

.eslintrc.js → .eslintrc.cjs

@@ -10,3 +10,6 @@ module.exports = {
   },
   rules: {},
 }
+
+
+

app.js

@@ -1,8 +1,8 @@
-const express = require('express')
-const logger = require('morgan')
-const cors = require('cors')
+import express from "express";
+import logger from 'morgan';
+import cors from 'cors';
 
-const contactsRouter = require('./routes/api/contacts')
+import contactsRouter from './routes/api/contacts.js';
 
 const app = express()
 
@@ -22,4 +22,4 @@ app.use((err, req, res, next) => {
   res.status(500).json({ message: err.message })
 })
 
-module.exports = app
+export default app;

models/contacts.js

@@ -1,19 +1,149 @@
-// const fs = require('fs/promises')
 
-const listContacts = async () => {}
+import fs from 'node:fs/promises';
+import { dirname } from 'node:path'; 
+import { fileURLToPath } from 'node:url';
+import { readFile } from 'node:fs/promises';
+import { randomUUID } from 'node:crypto';
+import { writeFile } from 'node:fs/promises';
 
-const getContactById = async (contactId) => {}
 
-const removeContact = async (contactId) => {}
 
-const addContact = async (body) => {}
+const __dirname = dirname(fileURLToPath(import.meta.url));
 
-const updateContact = async (contactId, body) => {}
 
-module.exports = {
+const contactsPath = `${__dirname}/contacts.json`;
+
+
+
+export async function listContacts() {
+    try {
+      const contents = await readFile(contactsPath, { encoding: "utf8" });
+      const contacts = JSON.parse(contents);
+      return contacts;
+
+    } catch (error) {
+        console.log("There is an error");
+        console.error(error);
+  }
+};
+
+
+
+export async function getContactById(contactId) {
+  try {
+    const contents = await readFile(contactsPath, { encoding: "utf8" });
+    const contacts = JSON.parse(contents);
+
+    const contact = contacts.find((contact) => contact.id === String(contactId));
+
+    if (contact) { 
+      return contact;
+    }
+
+    } catch (error) {
+      console.log("There is an error");
+      console.error(error);
+  }
+}
+
+
+export async function addContact(contact) {
+  try {
+    const contents = await readFile(contactsPath, { encoding: "utf8" });
+    const contacts = JSON.parse(contents);
+    const newContactId = randomUUID();
+
+    const isValid = contact?.name && contact?.email && contact?.phone;
+    if (!isValid) {
+      throw new Error('The contact does not have all required parametres'); 
+    }
+
+    const newContact = {
+        id: newContactId,
+        ...contact,
+    };
+
+    contacts.push(newContact);
+    const parsedContact = JSON.stringify(contacts, null, 2);
+    await writeFile(contactsPath, parsedContact);
+
+
+    console.log('The contact has been ceated successfully !');
+    return newContact;
+
+
+  } catch (error) {
+      console.log("There is an error");
+      console.error(error);
+  }
+}
+
+
+
+export async function updateContact(updatedFields, contactId) {
+  try {
+    const contents = await readFile(contactsPath, { encoding: "utf8" });
+    const contacts = JSON.parse(contents);
+
+
+    const contactIndex = contacts.findIndex((contact) => contact.id === contactId);
+    if (contactIndex === -1) {
+      return null; 
+    }
+
+
+    const updatedContact = {
+      ...contacts[contactIndex],
+      ...updatedFields,
+    };
+    contacts[contactIndex] = updatedContact;
+
+
+    await writeFile(contactsPath, JSON.stringify(contacts, null, 2));
+    return updatedContact; 
+  } catch (error) {
+    console.error("There is an error", error);
+    throw error; 
+  }
+}
+
+
+export async function removeContact(contactId) {
+  try {
+    const contents = await readFile(contactsPath, { encoding: "utf8" });
+    const contacts = JSON.parse(contents);
+
+
+    const contactIndex = contacts.findIndex((contact) => contact.id === String(contactId));
+    if (contactIndex === -1) {
+      console.log(`Contact with ID ${contactId} does not exist.`);
+      return null; 
+    }
+
+    const removedContact = contacts[contactIndex];
+
+
+    const updatedContacts = contacts.filter((contact) => contact.id !== String(contactId));
+    await writeFile(contactsPath, JSON.stringify(updatedContacts, null, 2));
+
+    console.log(`The contact with ID ${contactId} has been removed successfully!`);
+    console.table(updatedContacts);
+
+
+    return removedContact;
+  } catch (error) {
+    console.error("There is an error", error);
+    throw error; 
+  }
+}
+
+
+const contactsService = {
   listContacts,
   getContactById,
   removeContact,
   addContact,
   updateContact,
 }
+
+export default contactsService;

models/contacts.json

@@ -49,14 +49,44 @@
   },
   {
     "id": "e6ywwRe4jcqxXfCZOj_1e",
-    "name": "Thomas Lucas",
-    "email": "nec@Nulla.com",
-    "phone": "(704) 398-7993"
+    "name": "Marcus Lucas",
+    "email": "marc@Nulla.com",
+    "phone": "(700) 398-7993"
   },
   {
     "id": "rsKkOQUi80UsgVPCcLZZW",
     "name": "Alec Howard",
     "email": "[email protected]",
     "phone": "(748) 206-2688"
+  },
+  {
+    "id": "a70cff55-5c3a-4aa1-9c0d-77d12ed7bc55",
+    "name": "James Doe",
+    "email": "[email protected]",
+    "phone": "(705) 398-7993"
+  },
+  {
+    "id": "04546e12-4811-4154-859f-3f350a1af85b",
+    "name": "James Moon",
+    "email": "[email protected]",
+    "phone": "(711) 398-7993"
+  },
+  {
+    "id": "bcc8f110-2610-47fd-9f4f-080707fe8085",
+    "name": "Maria Calas",
+    "email": "[email protected]",
+    "phone": "(799) 398-7993"
+  },
+  {
+    "id": "466b28b7-4722-4ece-add7-fc2b15d961ed",
+    "name": "Joe Biden",
+    "email": "[email protected]",
+    "phone": "(711) 398-7981"
+  },
+  {
+    "id": "ab895d5a-1806-4b62-93f2-44fcedbb3223",
+    "name": "Joe Biden",
+    "email": "[email protected]",
+    "phone": "(712) 398-7981"
   }
-]
+]