gen html to create schema for todo #1

lib/app/ctx.ex

@@ -0,0 +1,104 @@
+defmodule App.Ctx do
+  @moduledoc """
+  The Ctx context.
+  """
+
+  import Ecto.Query, warn: false
+  alias App.Repo
+
+  alias App.Ctx.Todo
+
+  @doc """
+  Returns the list of todos.
+
+  ## Examples
+
+      iex> list_todos()
+      [%Todo{}, ...]
+
+  """
+  def list_todos do
+    Repo.all(Todo)
+  end
+
+  @doc """
+  Gets a single todo.
+
+  Raises `Ecto.NoResultsError` if the Todo does not exist.
+
+  ## Examples
+
+      iex> get_todo!(123)
+      %Todo{}
+
+      iex> get_todo!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_todo!(id), do: Repo.get!(Todo, id)
+
+  @doc """
+  Creates a todo.
+
+  ## Examples
+
+      iex> create_todo(%{field: value})
+      {:ok, %Todo{}}
+
+      iex> create_todo(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_todo(attrs \\ %{}) do
+    %Todo{}
+    |> Todo.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a todo.
+
+  ## Examples
+
+      iex> update_todo(todo, %{field: new_value})
+      {:ok, %Todo{}}
+
+      iex> update_todo(todo, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_todo(%Todo{} = todo, attrs) do
+    todo
+    |> Todo.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a Todo.
+
+  ## Examples
+
+      iex> delete_todo(todo)
+      {:ok, %Todo{}}
+
+      iex> delete_todo(todo)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_todo(%Todo{} = todo) do
+    Repo.delete(todo)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking todo changes.
+
+  ## Examples
+
+      iex> change_todo(todo)
+      %Ecto.Changeset{source: %Todo{}}
+
+  """
+  def change_todo(%Todo{} = todo) do
+    Todo.changeset(todo, %{})
+  end
+end

lib/app/ctx/todo.ex

@@ -0,0 +1,24 @@
+defmodule App.Ctx.Todo do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "todos" do
+    field :assignee, :string
+    field :deadline, :naive_datetime
+    field :owner, :string
+    field :priority, :integer
+    field :schedule, :naive_datetime
+    field :status, :string
+    field :time_estimate, :integer
+    field :title, :string
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(todo, attrs) do
+    todo
+    |> cast(attrs, [:title, :status, :priority, :time_estimate, :deadline, :schedule, :assignee, :owner])
+    |> validate_required([:title, :status, :priority, :time_estimate, :deadline, :schedule, :assignee, :owner])
+  end
+end

lib/app_web/controllers/todo_controller.ex

@@ -0,0 +1,62 @@
+defmodule AppWeb.TodoController do
+  use AppWeb, :controller
+
+  alias App.Ctx
+  alias App.Ctx.Todo
+
+  def index(conn, _params) do
+    todos = Ctx.list_todos()
+    render(conn, "index.html", todos: todos)
+  end
+
+  def new(conn, _params) do
+    changeset = Ctx.change_todo(%Todo{})
+    render(conn, "new.html", changeset: changeset)
+  end
+
+  def create(conn, %{"todo" => todo_params}) do
+    case Ctx.create_todo(todo_params) do
+      {:ok, todo} ->
+        conn
+        |> put_flash(:info, "Todo created successfully.")
+        |> redirect(to: Routes.todo_path(conn, :show, todo))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "new.html", changeset: changeset)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    todo = Ctx.get_todo!(id)
+    render(conn, "show.html", todo: todo)
+  end
+
+  def edit(conn, %{"id" => id}) do
+    todo = Ctx.get_todo!(id)
+    changeset = Ctx.change_todo(todo)
+    render(conn, "edit.html", todo: todo, changeset: changeset)
+  end
+
+  def update(conn, %{"id" => id, "todo" => todo_params}) do
+    todo = Ctx.get_todo!(id)
+
+    case Ctx.update_todo(todo, todo_params) do
+      {:ok, todo} ->
+        conn
+        |> put_flash(:info, "Todo updated successfully.")
+        |> redirect(to: Routes.todo_path(conn, :show, todo))
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        render(conn, "edit.html", todo: todo, changeset: changeset)
+    end
+  end
+
+  def delete(conn, %{"id" => id}) do
+    todo = Ctx.get_todo!(id)
+    {:ok, _todo} = Ctx.delete_todo(todo)
+
+    conn
+    |> put_flash(:info, "Todo deleted successfully.")
+    |> redirect(to: Routes.todo_path(conn, :index))
+  end
+end

lib/app_web/router.ex

@@ -17,6 +17,7 @@ defmodule AppWeb.Router do
     pipe_through :browser
 
     get "/", PageController, :index
+    resources "/todos", TodoController
   end
 
   # Other scopes may use custom stacks.

lib/app_web/templates/todo/edit.html.eex

@@ -0,0 +1,5 @@
+<h1>Edit Todo</h1>
+
+<%= render "form.html", Map.put(assigns, :action, Routes.todo_path(@conn, :update, @todo)) %>
+
+<span><%= link "Back", to: Routes.todo_path(@conn, :index) %></span>

lib/app_web/templates/todo/form.html.eex

@@ -0,0 +1,43 @@
+<%= form_for @changeset, @action, fn f -> %>
+  <%= if @changeset.action do %>
+    <div class="alert alert-danger">
+      <p>Oops, something went wrong! Please check the errors below.</p>
+    </div>
+  <% end %>
+
+  <%= label f, :title %>
+  <%= text_input f, :title %>
+  <%= error_tag f, :title %>
+
+  <%= label f, :status %>
+  <%= text_input f, :status %>
+  <%= error_tag f, :status %>
+
+  <%= label f, :priority %>
+  <%= number_input f, :priority %>
+  <%= error_tag f, :priority %>
+
+  <%= label f, :time_estimate %>
+  <%= number_input f, :time_estimate %>
+  <%= error_tag f, :time_estimate %>
+
+  <%= label f, :deadline %>
+  <%= datetime_select f, :deadline %>
+  <%= error_tag f, :deadline %>
+
+  <%= label f, :schedule %>
+  <%= datetime_select f, :schedule %>
+  <%= error_tag f, :schedule %>
+
+  <%= label f, :assignee %>
+  <%= text_input f, :assignee %>
+  <%= error_tag f, :assignee %>
+
+  <%= label f, :owner %>
+  <%= text_input f, :owner %>
+  <%= error_tag f, :owner %>
+
+  <div>
+    <%= submit "Save" %>
+  </div>
+<% end %>

lib/app_web/templates/todo/index.html.eex

@@ -0,0 +1,40 @@
+<h1>Listing Todos</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>Title</th>
+      <th>Status</th>
+      <th>Priority</th>
+      <th>Time estimate</th>
+      <th>Deadline</th>
+      <th>Schedule</th>
+      <th>Assignee</th>
+      <th>Owner</th>
+
+      <th></th>
+    </tr>
+  </thead>
+  <tbody>
+<%= for todo <- @todos do %>
+    <tr>
+      <td><%= todo.title %></td>
+      <td><%= todo.status %></td>
+      <td><%= todo.priority %></td>
+      <td><%= todo.time_estimate %></td>
+      <td><%= todo.deadline %></td>
+      <td><%= todo.schedule %></td>
+      <td><%= todo.assignee %></td>
+      <td><%= todo.owner %></td>
+
+      <td>
+        <%= link "Show", to: Routes.todo_path(@conn, :show, todo) %>
+        <%= link "Edit", to: Routes.todo_path(@conn, :edit, todo) %>
+        <%= link "Delete", to: Routes.todo_path(@conn, :delete, todo), method: :delete, data: [confirm: "Are you sure?"] %>
+      </td>
+    </tr>
+<% end %>
+  </tbody>
+</table>
+
+<span><%= link "New Todo", to: Routes.todo_path(@conn, :new) %></span>

lib/app_web/templates/todo/new.html.eex

@@ -0,0 +1,5 @@
+<h1>New Todo</h1>
+
+<%= render "form.html", Map.put(assigns, :action, Routes.todo_path(@conn, :create)) %>
+
+<span><%= link "Back", to: Routes.todo_path(@conn, :index) %></span>

lib/app_web/templates/todo/show.html.eex

@@ -0,0 +1,48 @@
+<h1>Show Todo</h1>
+
+<ul>
+
+  <li>
+    <strong>Title:</strong>
+    <%= @todo.title %>
+  </li>
+
+  <li>
+    <strong>Status:</strong>
+    <%= @todo.status %>
+  </li>
+
+  <li>
+    <strong>Priority:</strong>
+    <%= @todo.priority %>
+  </li>
+
+  <li>
+    <strong>Time estimate:</strong>
+    <%= @todo.time_estimate %>
+  </li>
+
+  <li>
+    <strong>Deadline:</strong>
+    <%= @todo.deadline %>
+  </li>
+
+  <li>
+    <strong>Schedule:</strong>
+    <%= @todo.schedule %>
+  </li>
+
+  <li>
+    <strong>Assignee:</strong>
+    <%= @todo.assignee %>
+  </li>
+
+  <li>
+    <strong>Owner:</strong>
+    <%= @todo.owner %>
+  </li>
+
+</ul>
+
+<span><%= link "Edit", to: Routes.todo_path(@conn, :edit, @todo) %></span>
+<span><%= link "Back", to: Routes.todo_path(@conn, :index) %></span>

lib/app_web/views/todo_view.ex

@@ -0,0 +1,3 @@
+defmodule AppWeb.TodoView do
+  use AppWeb, :view
+end

priv/repo/migrations/20190605093633_create_todos.exs

@@ -0,0 +1,19 @@
+defmodule App.Repo.Migrations.CreateTodos do
+  use Ecto.Migration
+
+  def change do
+    create table(:todos) do
+      add :title, :string
+      add :status, :string
+      add :priority, :integer
+      add :time_estimate, :integer
+      add :deadline, :naive_datetime
+      add :schedule, :naive_datetime
+      add :assignee, :string
+      add :owner, :string
+
+      timestamps()
+    end
+
+  end
+end