Files

58 lines
1.8 KiB
Elixir

defmodule Localiser.Web.Controllers.SetupController do
use Phoenix.Controller, formats: [:json]
use OpenApiSpex.ControllerSpecs
alias Localiser.Domain.Users
alias Localiser.Web.Token
alias Localiser.Web.Schemas
tags ["Auth"]
operation :create,
summary: "Create first admin user",
description: "Only succeeds when no users exist. Blocked with 403 afterwards.",
security: [],
request_body: {"Setup params", "application/json", Schemas.SetupParams, required: true},
responses: [
created: {"Admin user created", "application/json", Schemas.TokenResponse},
bad_request: {"Missing username/password", "application/json", Schemas.Error},
forbidden: {"System already initialised", "application/json", Schemas.Error},
unprocessable_entity: {"Validation errors", "application/json", Schemas.ValidationErrors}
]
def create(conn, %{"username" => username, "password" => password}) do
attrs = %{"username" => username, "password" => password, "is_admin" => true}
case Users.create_user(attrs) do
{:ok, user} ->
token = Token.generate(%{"sub" => user.id})
conn
|> put_status(:created)
|> json(%{token: token, user: render_user(user)})
{:error, changeset} ->
conn
|> put_status(:unprocessable_entity)
|> json(%{errors: format_errors(changeset)})
end
end
def create(conn, _params) do
conn
|> put_status(:bad_request)
|> json(%{error: "username and password are required"})
end
defp render_user(user) do
%{id: user.id, username: user.username, is_admin: user.is_admin}
end
defp format_errors(changeset) do
Ecto.Changeset.traverse_errors(changeset, fn {msg, opts} ->
Enum.reduce(opts, msg, fn {key, val}, acc ->
String.replace(acc, "%{#{key}}", to_string(val))
end)
end)
end
end