Hw02 express

app.js

@@ -1,25 +1,25 @@
-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()
+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
+export default app;

models/contacts.js

@@ -1,19 +1,87 @@
-// const fs = require('fs/promises')
+import { error } from "console";
+import e from "express";
+import fs from "fs/promises";
+import { nanoid } from "nanoid";
 
-const listContacts = async () => {}
+const contactsPath = "./models/contacts.json";
 
-const getContactById = async (contactId) => {}
+export const listContacts = async () => {
+  try {
+    const data = await fs.readFile(contactsPath, "utf8");
+    return JSON.parse(data);
+  } catch (error) {
+    console.log(error.message);
+    throw error;
+  }
+};
 
-const removeContact = async (contactId) => {}
+export const getContactById = async (contactId) => {
+  try {
+    const data = await fs.readFile(contactsPath, "utf8");
+    const contacts = JSON.parse(data);
+    const contact = contacts.find((contact) => contact.id === contactId);
+    return contact;
+  } catch (error) {
+    console.log(error.message);
+    throw error;
+  }
+};
 
-const addContact = async (body) => {}
+export const addContact = async (body) => {
+  try {
+    const data = await fs.readFile(contactsPath, "utf8");
+    const contacts = JSON.parse(data);
+    const newContact = {
+      id: nanoid(),
+      ...body,
+    };
+    contacts.push(newContact);
+    await fs.writeFile(contactsPath, JSON.stringify(contacts, null, 2));
+    return newContact;
+  } catch (error) {
+    console.log(error.message);
+    throw error;
+  }
+};
 
-const updateContact = async (contactId, body) => {}
+export const removeContact = async (contactId) => {
+  try {
+    const data = await fs.readFile(contactsPath, "utf8");
+    const contacts = JSON.parse(data);
+    const deleteContact = contacts.find((contact) => contact.id === contactId);
+    if (!deleteContact) {
+      return null;
+    }
+    const newContacts = contacts.filter((contact) => contact.id !== contactId);
+    await fs.writeFile(contactsPath, JSON.stringify(newContacts, null, 2));
+    return deleteContact;
+  } catch (error) {
+    console.log(error.message);
+    throw error;
+  }
+};
 
-module.exports = {
-  listContacts,
-  getContactById,
-  removeContact,
-  addContact,
-  updateContact,
-}
+export const updateContact = async (contactId, body) => {
+  try {
+    const data = await fs.readFile(contactsPath, "utf8");
+    const contacts = JSON.parse(data);
+    const contactIndex = contacts.findIndex(
+      (contact) => contact.id === contactId
+    );
+    if (contactIndex === -1) {
+      throw new Error("Contact not found");
+    }
+    const updatedContact = {
+      id: contactId,
+      name: body.name || contacts[contactIndex].name,
+      email: body.email || contacts[contactIndex].email,
+      phone: body.phone || contacts[contactIndex].phone,
+    };
+    contacts[contactIndex] = updatedContact;
+    await fs.writeFile(contactsPath, JSON.stringify(contacts, null, 2));
+    return updatedContact;
+  } catch (error) {
+    console.log(error.message);
+    throw error;
+  }
+};

models/contacts.json

@@ -1,15 +1,9 @@
 [
   {
     "id": "AeHIrLTr6JkxGE6SN-0Rw",
-    "name": "Allen Raymond",
-    "email": "nulla.ante@vestibul.co.uk",
-    "phone": "(992) 914-3792"
-  },
-  {
-    "id": "qdggE76Jtbfd9eWJHrssH",
-    "name": "Chaim Lewis",
-    "email": "dui.in@egetlacus.ca",
-    "phone": "(294) 840-6685"
+    "name": "Hey 9",
+    "email": "hello.hellohey@example.com",
+    "phone": "199999"
   },
   {
     "id": "drsAJ4SHPYqZeG-83QTVW",
@@ -58,5 +52,35 @@
     "name": "Alec Howard",
     "email": "Donec.elementum@scelerisquescelerisquedui.net",
     "phone": "(748) 206-2688"
+  },
+  {
+    "id": "7fSsSg5NCnRiU36bQX9ae",
+    "name": "Hello Hey",
+    "email": "hello.hey@example.com",
+    "phone": "123456789"
+  },
+  {
+    "id": "_62WqjtfodQWWMBlPbMIX",
+    "name": "Hello Heyy",
+    "email": "hello.heyy@example.com",
+    "phone": "1234567899"
+  },
+  {
+    "id": "iAWcrrIC54CVbg6-zrC1K",
+    "name": "Hello Heyyy",
+    "email": "hello.heyyy@example.com",
+    "phone": "12345678999"
+  },
+  {
+    "id": "HywEcC6l7vyZBkaP8giqC",
+    "name": "Hello Heyyyy",
+    "email": "hello.heyyyy@example.com",
+    "phone": "123456789999"
+  },
+  {
+    "id": "oksI0WBi3GazkaHifcLHW",
+    "name": "Hey 999999",
+    "email": "hello.hellohey@example.com",
+    "phone": "1234599"
   }
-]
+]