feat: admin panel for notes

assets/css/core_components.css

@@ -255,10 +255,13 @@
 }
 
 .back-nav-link {
-  font-size: 0.875rem;
-  line-height: 1.25rem;
-  font-weight: 600;
-  line-height: 1.5rem;
+  display: flex;
+  gap: 8px;
+}
+
+.back-nav-link svg {
+  flex-shrink: 0;
+  width: 16px;
 }
 
 .table-container {

lib/comfycamp/note.ex

@@ -1,18 +1,39 @@
-defmodule Comfycamp.Note do
-  use Ecto.Schema
-  import Ecto.Changeset
+defmodule Comfycamp.Notes do
+  @moduledoc """
+  The Notes context.
+  """
 
-  schema "notes" do
-    field :title, :string
-    field :markdown, :string
+  import Ecto.Query, warn: false
+  alias Comfycamp.Repo
+  alias Comfycamp.Notes.Note
 
-    timestamps(type: :utc_datetime)
+  def change_note(%Note{} = note, attrs \\ %{}) do
+    note
+    |> Note.changeset(attrs)
   end
 
-  @doc false
-  def changeset(note, attrs) do
+  def create_note(attrs \\ %{}) do
+    %Note{}
+    |> Note.changeset(attrs)
+    |> Repo.insert()
+  end
+
+  def update_note(%Note{} = note, attrs \\ %{}) do
     note
-    |> cast(attrs, [:title, :markdown])
-    |> validate_required([:title, :markdown])
+    |> Note.changeset(attrs)
+    |> Repo.update()
+  end
+
+  def delete_note(%Note{} = note) do
+    Repo.delete(note)
+  end
+
+  def get_note!(id) do
+    Note
+    |> Repo.get!(id)
+  end
+
+  def list_notes() do
+    Repo.all(Note)
   end
 end

lib/comfycamp/notes/note.ex

@@ -0,0 +1,18 @@
+defmodule Comfycamp.Notes.Note do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "notes" do
+    field :title, :string
+    field :markdown, :string
+
+    timestamps(type: :utc_datetime)
+  end
+
+  @doc false
+  def changeset(note, attrs) do
+    note
+    |> cast(attrs, [:title, :markdown])
+    |> validate_required([:title, :markdown])
+  end
+end

lib/comfycamp_web/components/core_components.ex

@@ -313,8 +313,7 @@ defmodule ComfycampWeb.CoreComponents do
   def error(assigns) do
     ~H"""
     <p class="error">
-      <.icon name="hero-exclamation-circle-mini" class="mt-0.5 h-5 w-5 flex-none" />
-      <%= render_slot(@inner_block) %>
+      <.exclamation_circle_icon /> <%= render_slot(@inner_block) %>
     </p>
     """
   end
@@ -461,10 +460,9 @@ defmodule ComfycampWeb.CoreComponents do
 
   def back(assigns) do
     ~H"""
-    <div class="mt-16">
+    <div>
       <.link navigate={@navigate} class="back-nav-link">
-        <.icon name="hero-arrow-left-solid" class="h-3 w-3" />
-        <%= render_slot(@inner_block) %>
+        <.arrow_left_icon /> <%= render_slot(@inner_block) %>
       </.link>
     </div>
     """

lib/comfycamp_web/components/icons/arrow_left_icon.svg.heex

@@ -0,0 +1,10 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  fill="none"
+  viewBox="0 0 24 24"
+  stroke-width="1.5"
+  stroke="currentColor"
+  class="size-6"
+>
+  <path stroke-linecap="round" stroke-linejoin="round" d="M10.5 19.5 3 12m0 0 7.5-7.5M3 12h18" />
+</svg>

lib/comfycamp_web/components/layouts/admin.html.heex

@@ -2,15 +2,15 @@
 
 <main>
   <div class="limiter">
-    <h1>Comfycamp - админка</h1>
     <.link href={~p"/"}>
       Главная страница
     </.link>
+    <h1>Панель администратора</h1>
     <div class="admin-panel">
       <ul>
         <li>
-          <.link href={~p"/admin/posts"}>
-            Посты
+          <.link href={~p"/admin/notes"}>
+            Заметки
           </.link>
         </li>
         <li>

lib/comfycamp_web/controllers/notes_controller.ex

@@ -0,0 +1,89 @@
+defmodule ComfycampWeb.NotesController do
+  use ComfycampWeb, :controller
+
+  alias Comfycamp.Notes
+  alias Comfycamp.Notes.Note
+
+  def index(conn, _params) do
+    notes = Notes.list_notes()
+
+    conn
+    |> put_layout(html: :admin)
+    |> render(:index, page_title: "Заметки", notes: notes)
+  end
+
+  def new(conn, _params) do
+    changeset = Notes.change_note(%Note{})
+
+    conn
+    |> put_layout(html: :admin)
+    |> render(:new, page_title: "Новая заметка", changeset: changeset)
+  end
+
+  def edit(conn, %{"id" => id}) do
+    note = Notes.get_note!(id)
+
+    changeset = Notes.change_note(note)
+
+    conn
+    |> put_layout(html: :admin)
+    |> render(:edit, page_title: "Редактировать заметку", changeset: changeset)
+  end
+
+  def create(conn, %{"note" => note_params}) do
+    case Notes.create_note(note_params) do
+      {:ok, note} ->
+        conn
+        |> put_flash(:info, "Заметка сохранена.")
+        |> redirect(to: ~p"/admin/notes/#{note}")
+
+      {:error, changeset} ->
+        conn
+        |> put_flash(:error, "Ошибка при обновлении заметки.")
+        |> put_layout(html: :admin)
+        |> render(:new, page_title: "Создать заметку", changeset: changeset)
+    end
+  end
+
+  def update(conn, %{"id" => id, "note" => note_params}) do
+    note = Notes.get_note!(id)
+
+    case Notes.update_note(note, note_params) do
+      {:ok, note} ->
+        conn
+        |> put_flash(:info, "Заметка обновлена.")
+        |> redirect(to: ~p"/admin/notes/#{note}")
+
+      {:error, changeset} ->
+        conn
+        |> put_flash(:error, "Ошибка при обновлении заметки.")
+        |> put_layout(html: :admin)
+        |> render(:edit, page_title: "Редактировать заметку", changeset: changeset)
+    end
+  end
+
+  def show(conn, %{"id" => id}) do
+    note = Notes.get_note!(id)
+
+    conn
+    |> put_layout(html: :admin)
+    |> render(:show, page_title: "Заметка", note: note)
+  end
+
+  def delete(conn, %{"id" => id}) do
+    note = Notes.get_note!(id)
+
+    case Notes.delete_note(note) do
+      {:ok, _note} ->
+        conn
+        |> put_flash(:info, "Заметка удалена.")
+        |> redirect(to: ~p"/admin/notes")
+
+      {:error, changeset} ->
+        conn
+        |> put_flash(:error, "Ошибка при удалении заметки.")
+        |> put_layout(html: :admin)
+        |> render(:edit, page_title: "Редактировать заметку", changeset: changeset)
+    end
+  end
+end

lib/comfycamp_web/controllers/notes_html.ex

@@ -0,0 +1,5 @@
+defmodule ComfycampWeb.NotesHTML do
+  use ComfycampWeb, :html
+
+  embed_templates "notes_html/*"
+end

lib/comfycamp_web/controllers/notes_html/edit.html.heex

@@ -0,0 +1,4 @@
+<div>
+  <h2>Редактировать заметку</h2>
+  <.note_form changeset={@changeset} action={~p"/admin/notes/#{@changeset.data.id}"} />
+</div>

lib/comfycamp_web/controllers/notes_html/index.html.heex

@@ -0,0 +1,17 @@
+<div>
+  <.link href={~p"/admin/notes/new"}>
+    Создать заметку
+  </.link>
+
+  <ul>
+    <%= for note <- @notes do %>
+      <li>
+        <.link href={~p"/admin/notes/#{note}"}>
+          <%= note.title %>
+        </.link>
+
+        <%= note.updated_at %>
+      </li>
+    <% end %>
+  </ul>
+</div>

lib/comfycamp_web/controllers/notes_html/new.html.heex

@@ -0,0 +1,4 @@
+<div>
+  <h2>Новая заметка</h2>
+  <.note_form changeset={@changeset} action={~p"/admin/notes"} />
+</div>

lib/comfycamp_web/controllers/notes_html/note_form.html.heex

@@ -0,0 +1,18 @@
+<.simple_form :let={f} for={@changeset} action={@action}>
+  <.input field={f[:title]} type="text" label="Заголовок" />
+  <.input field={f[:markdown]} type="textarea" label="Содержание (markdown)" />
+
+  <:actions>
+    <.button>Сохранить</.button>
+  </:actions>
+</.simple_form>
+
+<%= if @changeset.data.id do %>
+  <.link
+    href={~p"/admin/notes/#{@changeset.data}"}
+    method="DELETE"
+    data-confirm="Вы уверены?"
+  >
+    Удалить
+  </.link>
+<% end %>

lib/comfycamp_web/controllers/notes_html/show.html.heex

@@ -0,0 +1,13 @@
+<div>
+  <.back navigate={~p"/admin/notes"}>Назад</.back>
+  <h3><%= @note.title %></h3>
+
+  <.link href={~p"/admin/notes/#{@note}/edit"}>
+    Редактировать
+  </.link>
+
+  <p>Создана: <%= @note.inserted_at %></p>
+  <p>Обновлена: <%= @note.updated_at %></p>
+
+  <pre><%= @note.markdown %></pre>
+</div>

lib/comfycamp_web/router.ex

@@ -89,8 +89,8 @@ defmodule ComfycampWeb.Router do
     pipe_through [:browser, :require_authenticated_user, :ensure_admin]
 
     get "/", AdminPageController, :home
-    get "/posts", AdminPageController, :posts
     get "/users", AdminPageController, :users
     get "/services", AdminPageController, :services
+    resources "/notes", NotesController
   end
 end