done

app.js

@@ -1,25 +1,26 @@
-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/contactsRouter");
 
-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 })
-})
+  const { status = 500, message = "server error" } = err;
+  res.status(status).json({ message });
+});
 
-module.exports = app
+module.exports = app;

controllers/contacts/add.js

@@ -0,0 +1,15 @@
+const contactOperations = require("../../models/contacts");
+
+const add = async (req, res) => {
+  const { body } = req;
+  const addedContact = await contactOperations.addContact(body);
+  res.status(201).json({
+    status: "success",
+    code: 201,
+    data: {
+      result: addedContact,
+    },
+  });
+};
+
+module.exports = add;

controllers/contacts/getAll.js

@@ -0,0 +1,14 @@
+const contactOperations = require("../../models/contacts");
+
+const getAll = async (req, res) => {
+  const allContact = await contactOperations.listContacts();
+  res.json({
+    status: "success",
+    code: 200,
+    data: {
+      result: allContact,
+    },
+  });
+};
+
+module.exports = getAll;

controllers/contacts/getById.js

@@ -0,0 +1,20 @@
+const contactOperations = require("../../models/contacts");
+
+const getById = async (req, res) => {
+  const { contactId } = req.params;
+  const contact = await contactOperations.getContactById(contactId);
+  if (!contact) {
+    const error = new Error(`contact whith id = ${contactId} not found`);
+    error.status = 404;
+    throw error;
+  }
+  res.json({
+    status: "success",
+    code: 200,
+    data: {
+      result: contact,
+    },
+  });
+};
+
+module.exports = getById;

controllers/contacts/index.js

@@ -0,0 +1,13 @@
+const getAll = require("./getAll");
+const getById = require("./getById");
+const add = require("./add");
+const remove = require("./remove");
+const update = require("./update");
+
+module.exports = {
+  getAll,
+  getById,
+  add,
+  remove,
+  update,
+};

controllers/contacts/remove.js

@@ -0,0 +1,20 @@
+const contactOperations = require("../../models/contacts");
+
+const remove = async (req, res) => {
+  const { contactId } = req.params;
+  const contactToDelete = await contactOperations.removeContact(contactId);
+  if (!contactToDelete) {
+    const error = new Error(`contact whith id = ${contactId} not found`);
+    error.status = 404;
+    throw error;
+  }
+  res.json({
+    status: "success",
+    code: 200,
+    data: {
+      result: contactToDelete,
+    },
+  });
+};
+
+module.exports = remove;

controllers/contacts/update.js

@@ -0,0 +1,24 @@
+const contactOperations = require("../../models/contacts");
+
+const update = async (req, res) => {
+  const { body } = req;
+  const { contactId } = req.params;
+  const contactToUpdate = await contactOperations.updateContact(
+    contactId,
+    body
+  );
+  if (!contactToUpdate) {
+    const error = new Error(`contact whith id = ${contactId} not found`);
+    error.status = 404;
+    throw error;
+  }
+  res.json({
+    status: "success",
+    code: 200,
+    data: {
+      result: contactToUpdate,
+    },
+  });
+};
+
+module.exports = update;

controllers/index.js

@@ -0,0 +1,5 @@
+const contactsControllers = require("./contacts");
+
+module.exports = {
+  contactsControllers,
+};

middlewars/cntrlWrap.js

@@ -0,0 +1,10 @@
+const cntrlWrap = (cntrl) => {
+  return async (req, res, next) => {
+    try {
+      await cntrl(req, res, next);
+    } catch (error) {
+      next(error);
+    }
+  };
+};
+module.exports = cntrlWrap;

middlewars/index.js

@@ -0,0 +1,7 @@
+const validation = require("./validation");
+const cntrlWrap = require("./cntrlWrap");
+
+module.exports = {
+  validation,
+  cntrlWrap,
+};

middlewars/validation.js

@@ -0,0 +1,12 @@
+const validation = (schema) => {
+  return (req, res, next) => {
+    const { body } = req;
+    const { error } = schema.validate(body);
+    if (error) {
+      error.status = 400;
+      next(error);
+    }
+    next();
+  };
+};
+module.exports = validation;

models/contacts.js

@@ -1,19 +1,58 @@
-// const fs = require('fs/promises')
+const fs = require("fs/promises");
+const path = require("path");
+const { v4 } = require("uuid");
 
-const listContacts = async () => {}
+const contactsPath = path.join(__dirname, "/contacts.json");
 
-const getContactById = async (contactId) => {}
+const listContacts = async () => {
+  const data = await fs.readFile(contactsPath);
+  const contacts = await JSON.parse(data);
+  return contacts;
+};
 
-const removeContact = async (contactId) => {}
+const getContactById = async (contactId) => {
+  const data = await listContacts();
+  const contact = data.find((item) => item.id === contactId);
+  if (!contact) {
+    return null;
+  }
+  return contact;
+};
 
-const addContact = async (body) => {}
+const removeContact = async (contactId) => {
+  const data = await listContacts();
+  const idx = data.findIndex((item) => item.id === contactId);
+  if (idx === -1) {
+    return null;
+  }
+  const updatedContacts = data.filter((_, index) => index !== idx);
+  await fs.writeFile(contactsPath, JSON.stringify(updatedContacts));
+  return data[idx];
+};
 
-const updateContact = async (contactId, body) => {}
+const addContact = async (body) => {
+  const result = await listContacts();
+  const addedContact = { ...body, id: v4() };
+  result.push(addedContact);
+  await fs.writeFile(contactsPath, JSON.stringify(result));
+  return addedContact;
+};
+
+const updateContact = async (contactId, body) => {
+  const result = await listContacts();
+  const idx = result.findIndex((item) => item.id === contactId);
+  if (idx === -1) {
+    return null;
+  }
+  result[idx] = { ...body, id: contactId };
+  await fs.writeFile(contactsPath, JSON.stringify(result));
+  return result[idx];
+};
 
 module.exports = {
   listContacts,
   getContactById,
   removeContact,
   addContact,
   updateContact,
-}
+};

models/contacts.json

@@ -1,9 +1,9 @@
 [
   {
-    "id": "1",
-    "name": "Allen Raymond",
-    "email": "nulla.ante@vestibul.co.uk",
-    "phone": "(992) 914-3792"
+    "name": "Allen Limo",
+    "email": "Allen.ante@vestibul.co.uk",
+    "phone": "(992) 914-3792",
+    "id": "1"
   },
   {
     "id": "2",