Challenge Market

A GraphQL API to see market analitics

Dev run

Tested with elixir version 1.10.4, OTP 23 and podman version 2.0.5

# Install deps
mix deps.get

# Setup Postgres
podman run -d --name postgres -e POSTGRES_PASSWORD=postgres -p 5432:5432 postgres
mix ecto.setup

# Start server
mix phx.server

You can access the GraphQL API interface for tests in http://localhost:4000/api

Docs

You can generate the docs with mix docs

The GraphQL API docs can be found running in the Dev mode, on the schema right button

Tests

You can run the tests with mix test

GraphQL examples

Login

mutation {
  login(email: "vinicius@hotmail.com", password: "test") {
    token
  }
}

Put the token on the HTTP Header as:

name	content
Authorization	Bearer TOKEN

Get current user info

(needs to be logged as the user)

query {
  me {
    email
    name
  }
}

Full query example

(needs to be logged as the user)

query($filter: BottlerFilter!) {
  me {
    providers(page: 1, pageSize: 50, filterNames: ["CBOE"]) {
      name
	pairs(page: 1, pageSize: 20, filterNames: ["EUR/GBP", "EUR/USD", "GBP/USD"]) {
        name
        bottlers(page: 1, pageSize: 20, filter: $filter) {
          date
          price
          quantity
        }
      }
    }
  }
}

With the query variables:

{"filter": {"dateEnd": "2020-10-09T00:00:00Z"}}