🚀 My-NLW5

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Project using Node.js developed along the Next Level Week 05 from Rocketseat. This project implements a live chat using NodeJS to build the backend of this service.

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🔧 Technologies Used

Throughout the development of this chat, it was possible to consolidate important concepts such as: generation of random IDs; connection and use of SQL database through an Object Relational Mapper library; emit and listen to websocket events; create and use HTTP routes and methods; use typescript to avoid data type problems and to optimize the development process; connect the backend with the frontend; and how to use tools like Insomnia and Beekeeper Studio to test the developed system.

• NodeJS
• TypeScript
• TypeORM
• Javascript
• SQLite Database
• HTTP Protocol
• Websocket Protocol
• HTML
• CSS
• Insomnia
• Beekeeper Studio

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📦 Install

To test this project, make a clone of this repository and then install it using:

$ git clone https://github.com/NanderSantos/My-NLW5.git

$ cd My-NLW5

$ yarn install

$ yarn init-db

Or just run this one-liner command and everything will be done:

$ git clone https://github.com/NanderSantos/My-NLW5.git && cd My-NLW5 && yarn install && yarn init-db

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🏃 Run

To run this project simply do:

$ yarn start

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🎨 Frontend

To create the frontend (which was outside the scope of this project) two routes were created to statically load the HTML pages present in the public directory of this project:

• /pages/admin ➜ Client interface for the chat

• /pages/client ➜ Admin interface for the chat

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📨 API

• POST /settings ➜ Creates a setting profile using a JSON passed in the request body with this fields, where: chat controls the visibility of the chat en the client page and the username identifys a user:

Send:

{
	"chat": true,
	"username": "admin"	
}

Return:

{
	"id": "3ffc03a4-46b1-427e-adbf-ad2eb50315a0",
	"username": "admin",
	"chat": true,
	"updated_at": "2021-04-22T16:23:10.000Z",
	"created_at": "2021-04-22T16:23:10.000Z"
}

• GET /settings/:username ➜ Returns the settings of the user passed as route param in :username:

Return:

{
	"id": "3ffc03a4-46b1-427e-adbf-ad2eb50315a0",
	"username": "admin",
	"chat": true,
	"updated_at": "2021-04-24T22:53:27.000Z",
	"created_at": "2021-04-22T16:23:10.000Z"
}

• PUT /settings/:username ➜ Updates the chat visibility setting for the client passed as route param in :username using a JSON in the request body with a single field chat corresponding to the chat visibility:

{
	"chat": true
}

• POST /users ➜ Creates a user using a JSON passed in the request body with this single field email, corresponding to the user email:

Send:

{
	"email": "user@gmail.com"
}

Return:

{
	"id": "3cae107d-4906-4fb9-ae65-77535388eacc",
	"email": "user@gmail.com",
	"created_at": "2021-04-21T14:25:55.000Z"
}

• POST /messages ➜ Sends a message using a JSON passed in the request body with this fields, where: user_id corresponds to the ID of the user that you want to list the messages, text corresponds to the message sent and admin_id corresponds to the administrator ID:

Send:

{
	"user_id": "3cae107d-4906-4fb9-ae65-77535388eacc",
	"text": "Hello, world!",
	"admin_id": "1b629924-a3b2-465c-be8a-edbc550af6db"
}

Return:

{
	"id": "0cb8687f-8865-4da6-a44b-067c779b05dd",
	"admin_id": "1b629924-a3b2-465c-be8a-edbc550af6db",
	"text": "Hello, world!",
	"user_id": "3cae107d-4906-4fb9-ae65-77535388eacc",
	"created_at": "2021-04-21T15:18:37.000Z"
}

• POST /messages/:id ➜ Returns a message list for the user passed as route param :id

Return:

[
  {
    "id": "76d69afa-339e-45ce-96cc-97b7339c6e85",
    "admin_id": null,
    "text": "Hi, I need help!",
    "user_id": "df236b69-d24d-4030-aff1-5f036d2ee5e6",
    "created_at": "2021-04-24T15:02:55.000Z",
    "user": {
      "id": "df236b69-d24d-4030-aff1-5f036d2ee5e6",
      "email": "user@gmail.com",
      "created_at": "2021-04-24T15:02:55.000Z"
    }
  },
  {
    "id": "a528a1bd-e78f-4e69-b4a6-3703394bc610",
    "admin_id": "0KU_ehwjLC8uUa1hAAAR",
    "text": "Hi!",
    "user_id": "df236b69-d24d-4030-aff1-5f036d2ee5e6",
    "created_at": "2021-04-24T15:03:01.000Z",
    "user": {
      "id": "df236b69-d24d-4030-aff1-5f036d2ee5e6",
      "email": "user@gmail.com",
      "created_at": "2021-04-24T15:02:55.000Z"
    }
  },
]