Create user

Create profile
added some validation

lib/phoenix_api_template/accounts.ex

@@ -0,0 +1,104 @@
+defmodule PhoenixApiTemplate.Accounts do
+  @moduledoc """
+  The Accounts context.
+  """
+
+  import Ecto.Query, warn: false
+  alias PhoenixApiTemplate.Repo
+
+  alias PhoenixApiTemplate.Accounts.User
+
+  @doc """
+  Returns the list of users.
+
+  ## Examples
+
+      iex> list_users()
+      [%User{}, ...]
+
+  """
+  def list_users do
+    Repo.all(User)
+  end
+
+  @doc """
+  Gets a single user.
+
+  Raises `Ecto.NoResultsError` if the User does not exist.
+
+  ## Examples
+
+      iex> get_user!(123)
+      %User{}
+
+      iex> get_user!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_user!(id), do: Repo.get!(User, id)
+
+  @doc """
+  Creates a user.
+
+  ## Examples
+
+      iex> create_user(%{field: value})
+      {:ok, %User{}}
+
+      iex> create_user(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_user(attrs \\ %{}) do
+    %User{}
+    |> User.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a user.
+
+  ## Examples
+
+      iex> update_user(user, %{field: new_value})
+      {:ok, %User{}}
+
+      iex> update_user(user, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_user(%User{} = user, attrs) do
+    user
+    |> User.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a user.
+
+  ## Examples
+
+      iex> delete_user(user)
+      {:ok, %User{}}
+
+      iex> delete_user(user)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_user(%User{} = user) do
+    Repo.delete(user)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking user changes.
+
+  ## Examples
+
+      iex> change_user(user)
+      %Ecto.Changeset{data: %User{}}
+
+  """
+  def change_user(%User{} = user, attrs \\ %{}) do
+    User.changeset(user, attrs)
+  end
+end

lib/phoenix_api_template/accounts/user.ex

@@ -0,0 +1,24 @@
+defmodule PhoenixApiTemplate.Accounts.User do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "users" do
+    field(:email, :string)
+    field(:hashed_password, :string)
+    has_one(:profile, PhoenixApiTemplate.Profiles.Profile)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(user, attrs) do
+    user
+    |> cast(attrs, [:email, :hashed_password])
+    |> validate_required([:email, :hashed_password])
+    |> unique_constraint(:email)
+    |> validate_format(:email, ~r/^[^\s]+@[^\s]+$/, message: "must have the @ sign and no spaces")
+    |> validate_length(:email, max: 250)
+  end
+end

lib/phoenix_api_template/profiles.ex

@@ -0,0 +1,104 @@
+defmodule PhoenixApiTemplate.Profiles do
+  @moduledoc """
+  The Profiles context.
+  """
+
+  import Ecto.Query, warn: false
+  alias PhoenixApiTemplate.Repo
+
+  alias PhoenixApiTemplate.Profiles.Profile
+
+  @doc """
+  Returns the list of profiles.
+
+  ## Examples
+
+      iex> list_profiles()
+      [%Profile{}, ...]
+
+  """
+  def list_profiles do
+    Repo.all(Profile)
+  end
+
+  @doc """
+  Gets a single profile.
+
+  Raises `Ecto.NoResultsError` if the Profile does not exist.
+
+  ## Examples
+
+      iex> get_profile!(123)
+      %Profile{}
+
+      iex> get_profile!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_profile!(id), do: Repo.get!(Profile, id)
+
+  @doc """
+  Creates a profile.
+
+  ## Examples
+
+      iex> create_profile(%{field: value})
+      {:ok, %Profile{}}
+
+      iex> create_profile(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_profile(attrs \\ %{}) do
+    %Profile{}
+    |> Profile.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a profile.
+
+  ## Examples
+
+      iex> update_profile(profile, %{field: new_value})
+      {:ok, %Profile{}}
+
+      iex> update_profile(profile, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_profile(%Profile{} = profile, attrs) do
+    profile
+    |> Profile.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a profile.
+
+  ## Examples
+
+      iex> delete_profile(profile)
+      {:ok, %Profile{}}
+
+      iex> delete_profile(profile)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_profile(%Profile{} = profile) do
+    Repo.delete(profile)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking profile changes.
+
+  ## Examples
+
+      iex> change_profile(profile)
+      %Ecto.Changeset{data: %Profile{}}
+
+  """
+  def change_profile(%Profile{} = profile, attrs \\ %{}) do
+    Profile.changeset(profile, attrs)
+  end
+end

lib/phoenix_api_template/profiles/profile.ex

@@ -0,0 +1,20 @@
+defmodule PhoenixApiTemplate.Profiles.Profile do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "profiles" do
+    field(:display_name, :string)
+    belongs_to(:user, PhoenixApiTemplate.Accounts.User)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(profile, attrs) do
+    profile
+    |> cast(attrs, [:display_name, :user_id])
+    |> validate_required([:display_name, :user_id])
+  end
+end

lib/phoenix_api_template_web/controllers/fallback_controller.ex

@@ -0,0 +1,24 @@
+defmodule PhoenixApiTemplateWeb.FallbackController do
+  @moduledoc """
+  Translates controller action results into valid `Plug.Conn` responses.
+
+  See `Phoenix.Controller.action_fallback/1` for more details.
+  """
+  use PhoenixApiTemplateWeb, :controller
+
+  # This clause handles errors returned by Ecto's insert/update/delete.
+  def call(conn, {:error, %Ecto.Changeset{} = changeset}) do
+    conn
+    |> put_status(:unprocessable_entity)
+    |> put_view(PhoenixApiTemplateWeb.ChangesetView)
+    |> render("error.json", changeset: changeset)
+  end
+
+  # This clause is an example of how to handle resources that cannot be found.
+  def call(conn, {:error, :not_found}) do
+    conn
+    |> put_status(:not_found)
+    |> put_view(PhoenixApiTemplateWeb.ErrorView)
+    |> render(:"404")
+  end
+end

lib/phoenix_api_template_web/controllers/profile_controller.ex

@@ -0,0 +1,43 @@
+defmodule PhoenixApiTemplateWeb.ProfileController do
+  use PhoenixApiTemplateWeb, :controller
+
+  alias PhoenixApiTemplate.Profiles
+  alias PhoenixApiTemplate.Profiles.Profile
+
+  action_fallback PhoenixApiTemplateWeb.FallbackController
+
+  def index(conn, _params) do
+    profiles = Profiles.list_profiles()
+    render(conn, "index.json", profiles: profiles)
+  end
+
+  def create(conn, %{"profile" => profile_params}) do
+    with {:ok, %Profile{} = profile} <- Profiles.create_profile(profile_params) do
+      conn
+      |> put_status(:created)
+      |> put_resp_header("location", Routes.profile_path(conn, :show, profile))
+      |> render("show.json", profile: profile)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    profile = Profiles.get_profile!(id)
+    render(conn, "show.json", profile: profile)
+  end
+
+  def update(conn, %{"id" => id, "profile" => profile_params}) do
+    profile = Profiles.get_profile!(id)
+
+    with {:ok, %Profile{} = profile} <- Profiles.update_profile(profile, profile_params) do
+      render(conn, "show.json", profile: profile)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    profile = Profiles.get_profile!(id)
+
+    with {:ok, %Profile{}} <- Profiles.delete_profile(profile) do
+      send_resp(conn, :no_content, "")
+    end
+  end
+end

lib/phoenix_api_template_web/controllers/user_controller.ex

@@ -0,0 +1,42 @@
+defmodule PhoenixApiTemplateWeb.UserController do
+  use PhoenixApiTemplateWeb, :controller
+
+  alias PhoenixApiTemplate.Accounts
+  alias PhoenixApiTemplate.Accounts.User
+
+  action_fallback(PhoenixApiTemplateWeb.FallbackController)
+
+  def index(conn, _params) do
+    users = Accounts.list_users()
+    render(conn, "index.json", users: users)
+  end
+
+  def create(conn, %{"user" => user_params}) do
+    with {:ok, %User{} = user} <- Accounts.create_user(user_params) do
+      conn
+      |> put_status(:created)
+      |> render("show.json", user: user)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    user = Accounts.get_user!(id)
+    render(conn, "show.json", user: user)
+  end
+
+  def update(conn, %{"id" => id, "user" => user_params}) do
+    user = Accounts.get_user!(id)
+
+    with {:ok, %User{} = user} <- Accounts.update_user(user, user_params) do
+      render(conn, "show.json", user: user)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    user = Accounts.get_user!(id)
+
+    with {:ok, %User{}} <- Accounts.delete_user(user) do
+      send_resp(conn, :no_content, "")
+    end
+  end
+end

lib/phoenix_api_template_web/views/changeset_view.ex

@@ -0,0 +1,19 @@
+defmodule PhoenixApiTemplateWeb.ChangesetView do
+  use PhoenixApiTemplateWeb, :view
+
+  @doc """
+  Traverses and translates changeset errors.
+
+  See `Ecto.Changeset.traverse_errors/2` and
+  `PhoenixApiTemplateWeb.ErrorHelpers.translate_error/1` for more details.
+  """
+  def translate_errors(changeset) do
+    Ecto.Changeset.traverse_errors(changeset, &translate_error/1)
+  end
+
+  def render("error.json", %{changeset: changeset}) do
+    # When encoded, the changeset returns its errors
+    # as a JSON object. So we just pass it forward.
+    %{errors: translate_errors(changeset)}
+  end
+end

lib/phoenix_api_template_web/views/profile_view.ex

@@ -0,0 +1,19 @@
+defmodule PhoenixApiTemplateWeb.ProfileView do
+  use PhoenixApiTemplateWeb, :view
+  alias PhoenixApiTemplateWeb.ProfileView
+
+  def render("index.json", %{profiles: profiles}) do
+    %{data: render_many(profiles, ProfileView, "profile.json")}
+  end
+
+  def render("show.json", %{profile: profile}) do
+    %{data: render_one(profile, ProfileView, "profile.json")}
+  end
+
+  def render("profile.json", %{profile: profile}) do
+    %{
+      id: profile.id,
+      display_name: profile.display_name
+    }
+  end
+end

lib/phoenix_api_template_web/views/user_view.ex

@@ -0,0 +1,20 @@
+defmodule PhoenixApiTemplateWeb.UserView do
+  use PhoenixApiTemplateWeb, :view
+  alias PhoenixApiTemplateWeb.UserView
+
+  def render("index.json", %{users: users}) do
+    %{data: render_many(users, UserView, "user.json")}
+  end
+
+  def render("show.json", %{user: user}) do
+    %{data: render_one(user, UserView, "user.json")}
+  end
+
+  def render("user.json", %{user: user}) do
+    %{
+      id: user.id,
+      email: user.email,
+      hashed_password: user.hashed_password
+    }
+  end
+end