bossa-box-backend-python

This ReadMe has two version. One in english, and another in Portuguese.

• English Version
• Versão em Português

English Version

A Python API REST, that implements CRUD in a MongoDB database.

Description

This program has a Makefile with some receipts to help us developing/deploying.

Setup

Open a terminal in project root, and type:

- make setup

Creating the container and running it

In the same terminal, type:

- make up

Starting the Web Server

After a quickly period of time (about 30 seconds), type in the same terminal:

- make web

Simulating a Web Crawler

For each document added by the endpoint, a message is sent to a Kafka topic (with the name SCRAPPING_TOPIC), which the worker will read this topic to realize some actions with it.

Open a new terminal, in the project root, and type:

- make start-kafka-scrapping-worker

Checking the system

Curl this endpoint below to check if it's healthy, typing:

curl --request GET 'http://127.0.0.1:3000/health'

It must return "ok"

Postman

You could import the json files in folder /postman (in the root source), to your postman. It will be easier to use manipulate the endpoints using postman.

ENDPOINTS

Docs

To see the documentation about available endpoints, use:

• METHOD: GET
• ENDPOINT: /docs

Generate a token

Generate a new token to use in the ENDPOINT below ( it has a 1-hour duration ):

• METHOD: POST
• ENDPOINT: /token
• BODY:

{
     "user": "Some User"
}

RETURNS:

{
    "status": "ok",
    "data": {
        "token": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyIjoiRXZlcnRvbiBUb21hbG9rIiwiZXhwIjoxNjEwOTAxMzgxfQ.kWluJ6MDoCGJBdMcT9DlI75ZabER32g43VWT4EO45LQ"
    }
}

Adding new document

• METHOD: POST
• ENDPOINT: /tools
• HEADER: authorization = Bearer ...
• BODY:

{
     "title": "Api",
     "link": "https://github.com/python/node-scrapper",
     "description": "Webservice.",
     "tags":["node", "express",  "scrapping", "axios"]
 }

RETURNS:

{
    "status": "ok",
    "data": {
        "title": "Api",
        "link": "https://github.com/python/node-scrapper",
        "description": "Webservice.",
        "tags": [
            "node",
            "express",
            "scrapping",
            "axios"
        ],
        "id": "SOME ID"
    }
}

Searching for Documents

This endpoint will search for documents. If you only call it, it'll return all the documents.

You could use parameters, as tag to filter results by tag, and skip to set an offset, and limit to limit the number of returning documents.

• METHOD: GET
• ENDPOINT: /tools
• PARAMETROS: OPTIONAL
  • tag (set a filter by tag)
  • skip (skip documents)
  • limit (limit documents)
• HEADER: authorization = Bearer ...

RETORNO:

{
    "status": "ok",
    "data": [
        {
            "title": "Api",
            "link": "https://github.com/python/node-scrapper",
            "description": "Webservice.",
            "tags": [
                "node",
                "express",
                "scrapping",
                "axios"
            ],
            "id": "SOME ID"
        },
        {
            "title": "WebServer",
            "link": "https://github.com/python/node-webserver",
            "description": "Web",
            "tags": [
                "node",
                "express",
                "react",
                "mongodb"
            ],
            "id": "SOME ID"
        },
        ...
    ]
}

Editing document

Endpoint to edit a document

• METHOD: PUT
• ENDPOINT: /tools/:id
• HEADER: authorization = Bearer ...
• BODY:

{
     "title": "New API",
     "link": "https://github.com/python/python-new-api",
     "description": "NEW Webservice.",
     "tags":["python", "requests",  "scrapping", "bs4", "xpath"]
 }

RETURNS:

{
    "status": "ok",
    "data": {
        "title": "New API",
        "link": "https://github.com/python/python-new-api",
         "description": "NEW Webservice.",
         "tags":["python", "requests",  "scrapping", "bs4", "xpath"]
         "id": "SOME ID"
    }
}

Removing a document

Endpoint to remove a document by IDs

• METHOD: DELETE
• ENDPOINT: /tools/:id
• HEADER: authorization = Bearer ...

RETORNO:

    204 NO CONTENT

Environment variables

Key	Description
MONGO_URL	Database's URL
JWT_SECRET	JWT secret generation
TIME_TO_TOKEN_EXPIRES_IN_MINUTES	Time to expire the JWT
KAFKA_BROKER	Kafka broker's URL

---

Versão em Português

API REST, utilizando BACKEND em python, que realiza CRUD de tools em um banco de dados NoSQL (MongoDB).

Preparando o ambiente

Este código, possui um arquivo Makefile com diversas receitas, para auxiliar no desenvolvimento/deploy do código.

Setup

Abra um terminal, no root do projeto, e digite:

- make setup

Subindo os requerimentos necessários

No mesmo terminal, digite:

- make up

Subindo o ambiente web

Após um curto periodo de tempo (cerca de 30 segundos), digite no mesmo terminal:

- make web

Iniciando o worker para simular scrapping dos links adicionados em cada documento

Para cada documento adicionado pelo endpoint, uma mensagem é enviada para o tópico kafka de nome SCRAPPING_TOPIC, o qual temos um worker especifico para ler esse tópico e realizar certas ações com a mensagem.

Abra um novo terminal no root do projeto, e digite:

- make start-kafka-scrapping-worker

Verificando o ambiente

Utilize o curl para verificar se o sistema esta funcinando corretamente, digitando:

curl --request GET 'http://127.0.0.1:3000/health'

Deve retornar "ok"

ENDPOINTS

Docs

Para ver a documentação em swagger:

• METHOD: GET
• ENDPOINT: /docs

Gerar token

Gere um novo token para utilizar nos ENDPOINTS abaixo ( o token tem DURAÇÃO DE 1 HORA ):

• METHOD: POST
• ENDPOINT: /token
• BODY:

{
     "user": "Some User"
}

RETORNO:

{
    "status": "ok",
    "data": {
        "token": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyIjoiRXZlcnRvbiBUb21hbG9rIiwiZXhwIjoxNjEwOTAxMzgxfQ.kWluJ6MDoCGJBdMcT9DlI75ZabER32g43VWT4EO45LQ"
    }
}

Adicionar novo documento

• METHOD: POST
• ENDPOINT: /tools
• HEADER: authorization = Bearer ...
• BODY:

{
     "title": "Api",
     "link": "https://github.com/python/node-scrapper",
     "description": "Webservice.",
     "tags":["node", "express",  "scrapping", "axios"]
 }

RETORNO:

{
    "status": "ok",
    "data": {
        "title": "Api",
        "link": "https://github.com/python/node-scrapper",
        "description": "Webservice.",
        "tags": [
            "node",
            "express",
            "scrapping",
            "axios"
        ],
        "id": "SOME ID"
    }
}

Procurar Documentos

Rota para procurar documentos. Caso apenas chamada, trás todos os documentos ( lógica de negócio ). Aceita parametros tag para filtro, e skip para pular documentos, e limit para limitar numero de documentos no retorno.

• METHOD: GET
• ENDPOINT: /tools
• PARAMETROS: OPCIONAIS
  • tag (filtrar pela tag)
  • skip (pula numero de documentos)
  • limit (limita o numero de documentos)
• HEADER: authorization = Bearer ...

RETORNO:

{
    "status": "ok",
    "data": [
        {
            "title": "Api",
            "link": "https://github.com/python/node-scrapper",
            "description": "Webservice.",
            "tags": [
                "node",
                "express",
                "scrapping",
                "axios"
            ],
            "id": "SOME ID"
        },
        {
            "title": "WebServer",
            "link": "https://github.com/python/node-webserver",
            "description": "Web",
            "tags": [
                "node",
                "express",
                "react",
                "mongodb"
            ],
            "id": "SOME ID"
        },
        ...
    ]
}

Editar documento

Rota para edição de documento

• METHOD: PUT
• ENDPOINT: /tools/:id
• HEADER: authorization = Bearer ...
• BODY:

{
     "title": "New API",
     "link": "https://github.com/python/python-new-api",
     "description": "NEW Webservice.",
     "tags":["python", "requests",  "scrapping", "bs4", "xpath"]
 }

RETORNO:

{
    "status": "ok",
    "data": {
        "title": "New API",
        "link": "https://github.com/python/python-new-api",
         "description": "NEW Webservice.",
         "tags":["python", "requests",  "scrapping", "bs4", "xpath"]
         "id": "SOME ID"
    }
}

Remover documento

Rota para remoção de documento por um ids

• METHOD: DELETE
• ENDPOINT: /tools/:id
• HEADER: authorization = Bearer ...

RETORNO:

    204 NO CONTENT

Variáveis de ambiente

Chave	Descrição
MONGO_URL	URL de acesso ao banco
JWT_SECRET	Segredo para geração de token
TIME_TO_TOKEN_EXPIRES_IN_MINUTES	Tempo de expiração em minutos de um token gerado
KAFKA_BROKER	URL de acesso ao broker do kafka