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elixir-e-phoenix-do-zero's Introduction

Curso Elixir e Phoenix do zero! Crie sua primeira API Phoenix

Baixar Depedências:

mix deps.get

Credo

A configuração do credo fica em ex_mon/.credo.exs Executar Credo:

mix credo

ExMon WEB

Para visualizar todas as rotas:

mix phx.routes

Visualizar todos os trainers:

ExMon.Repo.all(ExMon.Trainer)

Editar um trainer

params = %{"id" => "53d91561-e609-414c-a8a0-f05d0c074859", "name" => "Crazy", "password" => "789456"} 
ExMon.Trainer.Update.call(params)

Testar Poke Client API

ExMon.PokeApi.Client.get_pokemon("pikachu")
{:ok, pokemon} = "scyther" |> ExMon.PokeApi.Client.get_pokemon()
ExMon.Pokemon.build(pokemon)
ExMon.fetch_pokemon("pikachu") 

Inserindo um pokémon no banco

params = %{"name" => "pikachu", "nickname" => "Bigodin", "trainer_id" => "07071f4d-6582-4c87-bcd7-74f24713caee"}
ExMon.Trainer.Pokemon.Create.call(params)

Visualizar todos os pokémons

ExMon.Repo.all(ExMon.Trainer.Pokemon)

Para carregar o treinador e os pokemons associados a ele:

ExMon.Repo.get(ExMon.Trainer, "07071f4d-6582-4c87-bcd7-74f24713caee") |> ExMon.Repo.preload(:pokemon)

Para carregar o pokemon e seus respectivo treinador:

ExMon.Trainer.Pokemon.Get.call("80aff1df-bd10-440f-b6ed-c84a0980aaeb")

Para atualizar um pokemon

ExMon.Trainer.Pokemon.Update.call(%{"id" => "80aff1df-bd10-440f-b6ed-c84a0980aaeb", "nickname" => "orelhinha"}) 

Anotações:

put_view: Quando queremos utilizar uma view que tem um nome diferente do controle, precisamos utilizar a função put_view. ref: fallback_controller.ex

import com only: Quando queremos importar somente uma função de um modulo específico, utilizamos conforme abaixo, onde 2 é a aridade:

    import Ecto.Changeset, only:[traverse_erros: 2]

ref: fallback_controller.ex

@enforce_keys força o uso de todas as chaves de um estrutura;

    @keys [:id, :name, :weight: :types]
    @enforce_keys @keys

ref: pokemon.ex

@derive Jason.Encoder Essa diretiva permite que automaticamente a struct consegue ser encodada para JSON ref: pokemon.ex

Outros

Para agilizar os testes via client HTTP salvei as entradas no arquivo PostmanRequestsExported.json

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