first

package.json

@@ -17,6 +17,7 @@
   "license": "ISC",
   "devDependencies": {
     "@eslint/js": "^9.2.0",
+    "@faker-js/faker": "^8.4.1",
     "eslint": "^9.2.0",
     "globals": "^15.1.0"
   }

src/constants/contacts.js

@@ -1 +1,3 @@
-export const PATH_DB =
+import path from 'node:path';
+const pathToWorkDir = path.join(process.cwd());
+export const PATH_DB = path.join(pathToWorkDir, 'src/db/db.json');

src/db/db.json

@@ -1 +1,37 @@
-[]
+[
+  {
+    "id": "1733d5d9-6474-449f-b804-7a25c90d6bd3",
+    "name": "Francis Mraz",
+    "phone": "665-249-5681",
+    "email": "[email protected]",
+    "job": "Customer Directives Facilitator"
+  },
+  {
+    "id": "13f656af-c6cd-4df1-8fd0-4af5968900b5",
+    "name": "Lela Murazik",
+    "phone": "429.573.5892 x00860",
+    "email": "[email protected]",
+    "job": "Product Paradigm Manager"
+  },
+  {
+    "id": "78beecfe-5498-452b-b839-3311b263fea0",
+    "name": "Donnie Hermann-Bashirian",
+    "phone": "(484) 235-7310 x4947",
+    "email": "[email protected]",
+    "job": "Senior Paradigm Officer"
+  },
+  {
+    "id": "53e94edb-3571-47ac-a6bf-b8fd41ff51e4",
+    "name": "Warren Mohr",
+    "phone": "1-367-708-1319 x28897",
+    "email": "[email protected]",
+    "job": "Regional Quality Coordinator"
+  },
+  {
+    "id": "ed987314-1fd9-46ab-9aab-76b9b85d6a77",
+    "name": "Abel Bahringer III",
+    "phone": "(271) 796-6190 x280",
+    "email": "[email protected]",
+    "job": "Regional Directives Coordinator"
+  }
+]

src/scripts/addOneContact.js

@@ -1,5 +1,28 @@
 import { PATH_DB } from '../constants/contacts.js';
+import fs from 'node:fs/promises';
+import { createFakeContact } from '../utils/createFakeContact.js';
+import { getAllContacts } from './getAllContacts.js';
 
-export const addOneContact = async () => {};
+const writeContactsToFile = async (contacts) => {
+  try {
+    await fs.writeFile(PATH_DB, JSON.stringify(contacts, null, 2), 'utf8');
+  } catch (error) {
+    console.error('Error writing to db.json:', error);
+  }
+};
+
+const addOneContact = async () => {
+  const existingContacts = await getAllContacts();
+
+  const newContact = [];
+
+  newContact.push(createFakeContact());
+
+  const updatedContacts = existingContacts.concat(newContact);
+
+  await writeContactsToFile(updatedContacts);
+
+  console.log(`Successfully added one new contact.`);
+};
 
 addOneContact();

src/scripts/countContacts.js

@@ -1,5 +1,8 @@
-import { PATH_DB } from '../constants/contacts.js';
-
-export const countContacts = async () => {};
+import { getAllContacts } from './getAllContacts.js';
+export const countContacts = async () => {
+  const arrContact = await getAllContacts();
+  const countContact = arrContact.length;
+  return countContact;
+};
 
 console.log(await countContacts());

src/scripts/generateContacts.js

@@ -1,5 +1,29 @@
 import { PATH_DB } from '../constants/contacts.js';
+import fs from 'node:fs/promises';
+import { createFakeContact } from '../utils/createFakeContact.js';
+import { getAllContacts } from './getAllContacts.js';
 
-const generateContacts = async (number) => {};
+const writeContactsToFile = async (contacts) => {
+  try {
+    await fs.writeFile(PATH_DB, JSON.stringify(contacts, null, 2), 'utf8');
+  } catch (error) {
+    console.error('Error writing to db.json:', error);
+  }
+};
 
-generateContacts(5);
+const generateContacts = async (number) => {
+  const existingContacts = await getAllContacts();
+
+  const newContacts = [];
+  for (let i = 0; i < number; i += 1) {
+    newContacts.push(createFakeContact());
+  }
+
+  const updatedContacts = existingContacts.concat(newContacts);
+
+  await writeContactsToFile(updatedContacts);
+
+  console.log(`Successfully added ${number} new contacts.`);
+};
+
+generateContacts(2);

src/scripts/getAllContacts.js

@@ -1,5 +1,14 @@
 import { PATH_DB } from '../constants/contacts.js';
+import fs from 'node:fs/promises';
 
-export const getAllContacts = async () => {};
+export const getAllContacts = async () => {
+  try {
+    const data = await fs.readFile(PATH_DB, 'utf8');
+    return JSON.parse(data);
+  } catch (error) {
+    console.error('Error reading db.json:', error);
+    return [];
+  }
+};
 
 console.log(await getAllContacts());

src/scripts/removeAllContacts.js

@@ -1,5 +1,11 @@
 import { PATH_DB } from '../constants/contacts.js';
-
-export const removeAllContacts = async () => {};
+import fs from 'node:fs/promises';
+export const removeAllContacts = async () => {
+  try {
+    await fs.writeFile(PATH_DB, '[]');
+  } catch (error) {
+    console.error('Error writing to db.json:', error);
+  }
+};
 
 removeAllContacts();

src/scripts/removeLastContact.js

@@ -1,5 +1,18 @@
 import { PATH_DB } from '../constants/contacts.js';
+import fs from 'node:fs/promises';
+import { getAllContacts } from './getAllContacts.js';
 
-export const removeLastContact = async () => {};
+const writeContactsToFile = async (contacts) => {
+  try {
+    await fs.writeFile(PATH_DB, JSON.stringify(contacts, null, 2), 'utf8');
+  } catch (error) {
+    console.error('Error writing to db.json:', error);
+  }
+};
+export const removeLastContact = async () => {
+  const contacts = await getAllContacts();
+  const contactsWithoutLast = contacts.slice(0, -1);
+  writeContactsToFile(contactsWithoutLast);
+};
 
 removeLastContact();