Add chapter 4 work

marcisme/rumbl/lib/rumbl.ex

@@ -10,7 +10,7 @@ defmodule Rumbl do
       # Start the endpoint when the application starts
       supervisor(Rumbl.Endpoint, []),
       # Start the Ecto repository
-      # supervisor(Rumbl.Repo, []),
+      supervisor(Rumbl.Repo, []),
       # Here you could define other workers and supervisors as children
       # worker(Rumbl.Worker, [arg1, arg2, arg3]),
     ]

marcisme/rumbl/lib/rumbl/repo.ex

@@ -1,25 +1,3 @@
 defmodule Rumbl.Repo do
-
-  @moduledoc """
-  In memory repository.
-  """
-
-  def all(Rumbl.User) do
-    [%Rumbl.User{id: "1", name: "José", username: "josevalim", password: "elixir"},
-     %Rumbl.User{id: "2", name: "Bruce", username: "redrapids", password: "7langs"},
-     %Rumbl.User{id: "3", name: "Chris", username: "chrismccord", password: "phx"}]
-  end
-
-  def all(_module), do: []
-
-  def get(module, id) do
-    Enum.find all(module), fn map -> map.id == id end
-  end
-
-  def get_by(module, params) do
-    Enum.find all(module), fn map ->
-      Enum.all?(params, fn {key, val} -> Map.get(map, key) == val end)
-    end
-  end
-
+  use Ecto.Repo, otp_app: :rumbl
 end

marcisme/rumbl/priv/repo/migrations/20160522234640_create_user.exs

@@ -0,0 +1,15 @@
+defmodule Rumbl.Repo.Migrations.CreateUser do
+  use Ecto.Migration
+
+  def change do
+    create table(:users) do
+      add :name, :string
+      add :username, :string, null: false
+      add :password_hash, :string
+
+      timestamps
+    end
+
+    create unique_index(:users, [:username])
+  end
+end

marcisme/rumbl/web/controllers/user_controller.ex

@@ -1,5 +1,23 @@
 defmodule Rumbl.UserController do
   use Rumbl.Web, :controller
+  alias Rumbl.User
+
+  def new(conn, _params) do
+    changeset = User.changeset(%User{})
+    render conn, "new.html", changeset: changeset
+  end
+
+  def create(conn, %{"user" => user_params}) do
+    changeset = User.changeset(%User{}, user_params)
+    case Repo.insert(changeset) do
+      {:ok, user} ->
+        conn
+        |> put_flash(:info, "#{user.name} created!")
+        |> redirect(to: user_path(conn, :index))
+      {:error, changeset} ->
+        render(conn, "new.html", changeset: changeset)
+    end
+  end
 
   def index(conn, _params) do
     users = Repo.all(Rumbl.User)

marcisme/rumbl/web/models/user.ex

@@ -1,3 +1,18 @@
 defmodule Rumbl.User do
-  defstruct [:id, :name, :username, :password]
+  use Rumbl.Web, :model
+
+  schema "users" do
+    field :name, :string
+    field :username, :string
+    field :password, :string, virtual: true
+    field :password_hash, :string
+
+    timestamps
+  end
+
+  def changeset(model, params \\ :empty) do
+    model
+    |> cast(params, ~w(name username), [])
+    |> validate_length(:username, min: 1, max: 20)
+  end
 end

marcisme/rumbl/web/router.ex

@@ -16,9 +16,8 @@ defmodule Rumbl.Router do
   scope "/", Rumbl do
     pipe_through :browser # Use the default browser stack
 
-    get "/users",     UserController, :index
-    get "/users/:id", UserController, :show
     get "/", PageController, :index
+    resources "/users", UserController, only: [:index, :show, :new, :create]
   end
 
   # Other scopes may use custom stacks.

marcisme/rumbl/web/templates/user/new.html.eex

@@ -0,0 +1,23 @@
+<h1>New User</h1>
+
+<%= if @changeset.action do %>
+  <div class="alert alert-danger">
+    <p>Oops, something went wrong! Please check the errors below.</p>
+  </div>
+<% end %>
+
+<%= form_for @changeset, user_path(@conn, :create), fn f -> %>
+  <div class="form-group">
+    <%= text_input f, :name, placeholder: "Name", class: "form-control" %>
+    <%= error_tag f, :name %>
+  </div>
+  <div class="form-group">
+    <%= text_input f, :username, placeholder: "Username", class: "form-control" %>
+    <%= error_tag f, :username %>
+  </div>
+  <div class="form-group">
+    <%= password_input f, :password, placeholder: "Password", class: "form-control" %>
+    <%= error_tag f, :password %>
+  </div>
+  <%= submit "Create User", class: "btn btn-primary" %>
+<% end %>