Add Authors

mix phx.gen.live Authors Author authors name:string description:text homepage_name:string homepage_url:string

lib/outlook/authors.ex

@@ -0,0 +1,104 @@
+defmodule Outlook.Authors do
+  @moduledoc """
+  The Authors context.
+  """
+
+  import Ecto.Query, warn: false
+  alias Outlook.Repo
+
+  alias Outlook.Authors.Author
+
+  @doc """
+  Returns the list of authors.
+
+  ## Examples
+
+      iex> list_authors()
+      [%Author{}, ...]
+
+  """
+  def list_authors do
+    Repo.all(Author)
+  end
+
+  @doc """
+  Gets a single author.
+
+  Raises `Ecto.NoResultsError` if the Author does not exist.
+
+  ## Examples
+
+      iex> get_author!(123)
+      %Author{}
+
+      iex> get_author!(456)
+      ** (Ecto.NoResultsError)
+
+  """
+  def get_author!(id), do: Repo.get!(Author, id)
+
+  @doc """
+  Creates a author.
+
+  ## Examples
+
+      iex> create_author(%{field: value})
+      {:ok, %Author{}}
+
+      iex> create_author(%{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def create_author(attrs \\ %{}) do
+    %Author{}
+    |> Author.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  @doc """
+  Updates a author.
+
+  ## Examples
+
+      iex> update_author(author, %{field: new_value})
+      {:ok, %Author{}}
+
+      iex> update_author(author, %{field: bad_value})
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def update_author(%Author{} = author, attrs) do
+    author
+    |> Author.changeset(attrs)
+    |> Repo.update()
+  end
+
+  @doc """
+  Deletes a author.
+
+  ## Examples
+
+      iex> delete_author(author)
+      {:ok, %Author{}}
+
+      iex> delete_author(author)
+      {:error, %Ecto.Changeset{}}
+
+  """
+  def delete_author(%Author{} = author) do
+    Repo.delete(author)
+  end
+
+  @doc """
+  Returns an `%Ecto.Changeset{}` for tracking author changes.
+
+  ## Examples
+
+      iex> change_author(author)
+      %Ecto.Changeset{data: %Author{}}
+
+  """
+  def change_author(%Author{} = author, attrs \\ %{}) do
+    Author.changeset(author, attrs)
+  end
+end

lib/outlook/authors/author.ex

@@ -0,0 +1,20 @@
+defmodule Outlook.Authors.Author do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "authors" do
+    field :description, :string
+    field :homepage_name, :string
+    field :homepage_url, :string
+    field :name, :string
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(author, attrs) do
+    author
+    |> cast(attrs, [:name, :description, :homepage_name, :homepage_url])
+    |> validate_required([:name, :description, :homepage_name, :homepage_url])
+  end
+end

lib/outlook_web/live/author_live/form_component.ex

@@ -0,0 +1,84 @@
+defmodule OutlookWeb.AuthorLive.FormComponent do
+  use OutlookWeb, :live_component
+
+  alias Outlook.Authors
+
+  @impl true
+  def render(assigns) do
+    ~H"""
+    <div>
+      <.header>
+        <%= @title %>
+        <:subtitle>Use this form to manage author records in your database.</:subtitle>
+      </.header>
+
+      <.simple_form
+        :let={f}
+        for={@changeset}
+        id="author-form"
+        phx-target={@myself}
+        phx-change="validate"
+        phx-submit="save"
+      >
+        <.input field={{f, :name}} type="text" label="name" />
+        <.input field={{f, :description}} type="text" label="description" />
+        <.input field={{f, :homepage_name}} type="text" label="homepage_name" />
+        <.input field={{f, :homepage_url}} type="text" label="homepage_url" />
+        <:actions>
+          <.button phx-disable-with="Saving...">Save Author</.button>
+        </:actions>
+      </.simple_form>
+    </div>
+    """
+  end
+
+  @impl true
+  def update(%{author: author} = assigns, socket) do
+    changeset = Authors.change_author(author)
+
+    {:ok,
+     socket
+     |> assign(assigns)
+     |> assign(:changeset, changeset)}
+  end
+
+  @impl true
+  def handle_event("validate", %{"author" => author_params}, socket) do
+    changeset =
+      socket.assigns.author
+      |> Authors.change_author(author_params)
+      |> Map.put(:action, :validate)
+
+    {:noreply, assign(socket, :changeset, changeset)}
+  end
+
+  def handle_event("save", %{"author" => author_params}, socket) do
+    save_author(socket, socket.assigns.action, author_params)
+  end
+
+  defp save_author(socket, :edit, author_params) do
+    case Authors.update_author(socket.assigns.author, author_params) do
+      {:ok, _author} ->
+        {:noreply,
+         socket
+         |> put_flash(:info, "Author updated successfully")
+         |> push_navigate(to: socket.assigns.navigate)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign(socket, :changeset, changeset)}
+    end
+  end
+
+  defp save_author(socket, :new, author_params) do
+    case Authors.create_author(author_params) do
+      {:ok, _author} ->
+        {:noreply,
+         socket
+         |> put_flash(:info, "Author created successfully")
+         |> push_navigate(to: socket.assigns.navigate)}
+
+      {:error, %Ecto.Changeset{} = changeset} ->
+        {:noreply, assign(socket, changeset: changeset)}
+    end
+  end
+end

lib/outlook_web/live/author_live/index.ex

@@ -0,0 +1,46 @@
+defmodule OutlookWeb.AuthorLive.Index do
+  use OutlookWeb, :live_view
+
+  alias Outlook.Authors
+  alias Outlook.Authors.Author
+
+  @impl true
+  def mount(_params, _session, socket) do
+    {:ok, assign(socket, :authors, list_authors())}
+  end
+
+  @impl true
+  def handle_params(params, _url, socket) do
+    {:noreply, apply_action(socket, socket.assigns.live_action, params)}
+  end
+
+  defp apply_action(socket, :edit, %{"id" => id}) do
+    socket
+    |> assign(:page_title, "Edit Author")
+    |> assign(:author, Authors.get_author!(id))
+  end
+
+  defp apply_action(socket, :new, _params) do
+    socket
+    |> assign(:page_title, "New Author")
+    |> assign(:author, %Author{})
+  end
+
+  defp apply_action(socket, :index, _params) do
+    socket
+    |> assign(:page_title, "Listing Authors")
+    |> assign(:author, nil)
+  end
+
+  @impl true
+  def handle_event("delete", %{"id" => id}, socket) do
+    author = Authors.get_author!(id)
+    {:ok, _} = Authors.delete_author(author)
+
+    {:noreply, assign(socket, :authors, list_authors())}
+  end
+
+  defp list_authors do
+    Authors.list_authors()
+  end
+end

lib/outlook_web/live/author_live/index.html.heex

@@ -0,0 +1,42 @@
+<.header>
+  Listing Authors
+  <:actions>
+    <.link patch={~p"/authors/new"}>
+      <.button>New Author</.button>
+    </.link>
+  </:actions>
+</.header>
+
+<.table id="authors" rows={@authors} row_click={&JS.navigate(~p"/authors/#{&1}")}>
+  <:col :let={author} label="Name"><%= author.name %></:col>
+  <:col :let={author} label="Description"><%= author.description %></:col>
+  <:col :let={author} label="Homepage name"><%= author.homepage_name %></:col>
+  <:col :let={author} label="Homepage url"><%= author.homepage_url %></:col>
+  <:action :let={author}>
+    <div class="sr-only">
+      <.link navigate={~p"/authors/#{author}"}>Show</.link>
+    </div>
+    <.link patch={~p"/authors/#{author}/edit"}>Edit</.link>
+  </:action>
+  <:action :let={author}>
+    <.link phx-click={JS.push("delete", value: %{id: author.id})} data-confirm="Are you sure?">
+      Delete
+    </.link>
+  </:action>
+</.table>
+
+<.modal
+  :if={@live_action in [:new, :edit]}
+  id="author-modal"
+  show
+  on_cancel={JS.navigate(~p"/authors")}
+>
+  <.live_component
+    module={OutlookWeb.AuthorLive.FormComponent}
+    id={@author.id || :new}
+    title={@page_title}
+    action={@live_action}
+    author={@author}
+    navigate={~p"/authors"}
+  />
+</.modal>

lib/outlook_web/live/author_live/show.ex

@@ -0,0 +1,21 @@
+defmodule OutlookWeb.AuthorLive.Show do
+  use OutlookWeb, :live_view
+
+  alias Outlook.Authors
+
+  @impl true
+  def mount(_params, _session, socket) do
+    {:ok, socket}
+  end
+
+  @impl true
+  def handle_params(%{"id" => id}, _, socket) do
+    {:noreply,
+     socket
+     |> assign(:page_title, page_title(socket.assigns.live_action))
+     |> assign(:author, Authors.get_author!(id))}
+  end
+
+  defp page_title(:show), do: "Show Author"
+  defp page_title(:edit), do: "Edit Author"
+end

lib/outlook_web/live/author_live/show.html.heex

@@ -0,0 +1,29 @@
+<.header>
+  Author <%= @author.id %>
+  <:subtitle>This is a author record from your database.</:subtitle>
+  <:actions>
+    <.link patch={~p"/authors/#{@author}/show/edit"} phx-click={JS.push_focus()}>
+      <.button>Edit author</.button>
+    </.link>
+  </:actions>
+</.header>
+
+<.list>
+  <:item title="Name"><%= @author.name %></:item>
+  <:item title="Description"><%= @author.description %></:item>
+  <:item title="Homepage name"><%= @author.homepage_name %></:item>
+  <:item title="Homepage url"><%= @author.homepage_url %></:item>
+</.list>
+
+<.back navigate={~p"/authors"}>Back to authors</.back>
+
+<.modal :if={@live_action == :edit} id="author-modal" show on_cancel={JS.patch(~p"/authors/#{@author}")}>
+  <.live_component
+    module={OutlookWeb.AuthorLive.FormComponent}
+    id={@author.id}
+    title={@page_title}
+    action={@live_action}
+    author={@author}
+    navigate={~p"/authors/#{@author}"}
+  />
+</.modal>

lib/outlook_web/router.ex

@@ -69,6 +69,13 @@ defmodule OutlookWeb.Router do
       live "/users/settings", UserSettingsLive, :edit
       live "/users/settings/confirm_email/:token", UserSettingsLive, :confirm_email
     end
+
+    live "/authors", AuthorLive.Index, :index
+    live "/authors/new", AuthorLive.Index, :new
+    live "/authors/:id/edit", AuthorLive.Index, :edit
+
+    live "/authors/:id", AuthorLive.Show, :show
+    live "/authors/:id/show/edit", AuthorLive.Show, :edit
   end
 
   scope "/", OutlookWeb do