From efd5f1d126cd609be9a4381550f9a95d2e8a2c37 Mon Sep 17 00:00:00 2001
From: Nikos Papadakis <nikos@papadakis.xyz>
Date: Fri, 24 Nov 2023 00:56:38 +0200
Subject: [PATCH] app: alpine.js + dropdown

---
 .editorconfig                                 |   4 +
 app/assets/js/app.js                          |  17 ++-
 app/assets/package-lock.json                  |  33 +++++
 app/assets/package.json                       |   5 +
 app/lib/prymn_web/components/button.ex        |   2 +-
 .../prymn_web/components/core_components.ex   |  56 +++++++++
 .../components/layouts/app.html.heex          |  23 ++--
 app/lib/prymn_web/live/server_live/show.ex    | 116 ++++++++++--------
 8 files changed, 192 insertions(+), 64 deletions(-)
 create mode 100644 app/assets/package-lock.json
 create mode 100644 app/assets/package.json

diff --git a/.editorconfig b/.editorconfig
index 01be004..122b31f 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -2,6 +2,10 @@ root = true
 charset = utf-8
 end_of_line = lf
 
+[*.js]
+indent_style = space
+indent_size = 2
+
 [*.nix]
 indent_style = space
 indent_size = 2
diff --git a/app/assets/js/app.js b/app/assets/js/app.js
index df0cdd9..b7a5ad9 100644
--- a/app/assets/js/app.js
+++ b/app/assets/js/app.js
@@ -15,15 +15,26 @@
 //     import "some-package"
 //
 
-// Include phoenix_html to handle method=PUT/DELETE in forms and buttons.
 import "phoenix_html"
-// Establish Phoenix Socket and LiveView configuration.
 import {Socket} from "phoenix"
 import {LiveSocket} from "phoenix_live_view"
 import topbar from "../vendor/topbar"
+import Alpine from "alpinejs"
+
+Alpine.start()
+window.Alpine = Alpine
 
 let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content")
-let liveSocket = new LiveSocket("/live", Socket, {params: {_csrf_token: csrfToken}})
+let liveSocket = new LiveSocket("/live", Socket, {
+  params: {_csrf_token: csrfToken},
+  dom: {
+    onBeforeElUpdated(from, to) {
+      if (from._x_dataStack) {
+        window.Alpine.clone(from, to)
+      }
+    }
+  }
+})
 
 // Show progress bar on live navigation and form submits
 topbar.config({barColors: {0: "#29d"}, shadowColor: "rgba(0, 0, 0, .3)"})
diff --git a/app/assets/package-lock.json b/app/assets/package-lock.json
new file mode 100644
index 0000000..ff530ff
--- /dev/null
+++ b/app/assets/package-lock.json
@@ -0,0 +1,33 @@
+{
+  "name": "assets",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "alpinejs": "^3.13.3"
+      }
+    },
+    "node_modules/@vue/reactivity": {
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/@vue/reactivity/-/reactivity-3.1.5.tgz",
+      "integrity": "sha512-1tdfLmNjWG6t/CsPldh+foumYFo3cpyCHgBYQ34ylaMsJ+SNHQ1kApMIa8jN+i593zQuaw3AdWH0nJTARzCFhg==",
+      "dependencies": {
+        "@vue/shared": "3.1.5"
+      }
+    },
+    "node_modules/@vue/shared": {
+      "version": "3.1.5",
+      "resolved": "https://registry.npmjs.org/@vue/shared/-/shared-3.1.5.tgz",
+      "integrity": "sha512-oJ4F3TnvpXaQwZJNF3ZK+kLPHKarDmJjJ6jyzVNDKH9md1dptjC7lWR//jrGuLdek/U6iltWxqAnYOu8gCiOvA=="
+    },
+    "node_modules/alpinejs": {
+      "version": "3.13.3",
+      "resolved": "https://registry.npmjs.org/alpinejs/-/alpinejs-3.13.3.tgz",
+      "integrity": "sha512-WZ6WQjkAOl+WdW/jukzNHq9zHFDNKmkk/x6WF7WdyNDD6woinrfXCVsZXm0galjbco+pEpYmJLtwlZwcOfIVdg==",
+      "dependencies": {
+        "@vue/reactivity": "~3.1.1"
+      }
+    }
+  }
+}
diff --git a/app/assets/package.json b/app/assets/package.json
new file mode 100644
index 0000000..63b363b
--- /dev/null
+++ b/app/assets/package.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "alpinejs": "^3.13.3"
+  }
+}
diff --git a/app/lib/prymn_web/components/button.ex b/app/lib/prymn_web/components/button.ex
index a9e9c18..34ec4d8 100644
--- a/app/lib/prymn_web/components/button.ex
+++ b/app/lib/prymn_web/components/button.ex
@@ -36,7 +36,7 @@ defmodule PrymnWeb.Button do
       assigns,
       :style,
       [
-        "inline-flex justify-center items-end rounded-2xl shadow transition-colors active:shadow-sm",
+        "inline-flex justify-center items-center rounded-2xl shadow transition-colors active:shadow-sm",
         by_variant(assigns.variant),
         by_size(assigns.size),
         assigns[:class]
diff --git a/app/lib/prymn_web/components/core_components.ex b/app/lib/prymn_web/components/core_components.ex
index adf7fc3..8dde58c 100644
--- a/app/lib/prymn_web/components/core_components.ex
+++ b/app/lib/prymn_web/components/core_components.ex
@@ -587,6 +587,62 @@ defmodule PrymnWeb.CoreComponents do
     """
   end
 
+  @doc """
+  A simple dropdown menu
+  """
+
+  attr :title, :string, default: nil
+  attr :position, :string, default: "left", values: ~w(left right)
+
+  slot :button
+  slot :item
+
+  def dropdown(assigns) do
+    ~H"""
+    <div
+      class="relative inline-block"
+      x-data="{
+        open: false,
+        close(focusAfter) {
+          this.open = false
+          focusAfter && focusAfter.focus()
+        }
+      }"
+      x-id="['dropdown-button']"
+      x-on:keydown.escape.prevent.stop="close($refs.button)"
+    >
+      <button
+        title={@title}
+        type="button"
+        x-ref="button"
+        x-bind:aria-expanded="open"
+        x-on:click="open = !open"
+      >
+        <%= render_slot(@button) %>
+        <.icon class="ml-2 h-4 w-4" name="hero-chevron-down" />
+      </button>
+      <div
+        class="absolute left-0 z-10 w-56 rounded-xl bg-white shadow-lg ring-1 ring-black ring-opacity-5"
+        role="menu"
+        aria-orientation="vertical"
+        tabindex="-1"
+        x-show="open"
+        x-on:click.outside="close($refs.button)"
+        x-transition.origin.top.left
+      >
+        <div
+          :for={item <- @item}
+          class="my-2 px-4 py-2 hover:bg-slate-100"
+          role="none"
+          x-on:click="close()"
+        >
+          <%= render_slot(item, item) %>
+        </div>
+      </div>
+    </div>
+    """
+  end
+
   ## JS Commands
 
   def show(js \\ %JS{}, selector) do
diff --git a/app/lib/prymn_web/components/layouts/app.html.heex b/app/lib/prymn_web/components/layouts/app.html.heex
index ab86cad..f63ac91 100644
--- a/app/lib/prymn_web/components/layouts/app.html.heex
+++ b/app/lib/prymn_web/components/layouts/app.html.heex
@@ -16,18 +16,17 @@
       </p>
     </div>
     <div class="flex items-center text-zinc-900">
-      <.link class="border-r border-l px-3 py-4 hover:bg-white" href={~p"/users/settings"}>
-        <.icon name="hero-user" />
-        <.icon name="hero-chevron-down" />
-      </.link>
-      <.link
-        title="Log out"
-        class="border-r px-3 py-4 hover:bg-white"
-        method="DELETE"
-        href={~p"/auth/log_out"}
-      >
-        <.icon name="hero-x-mark" />
-      </.link>
+      <.dropdown>
+        <:button>
+          <.icon name="hero-user-solid" />
+        </:button>
+        <:item>
+          <.link href={~p"/users/settings"}>Settings</.link>
+        </:item>
+        <:item>
+          <.link method="DELETE" href={~p"/auth/log_out"}>Log out</.link>
+        </:item>
+      </.dropdown>
     </div>
   </div>
 </header>
diff --git a/app/lib/prymn_web/live/server_live/show.ex b/app/lib/prymn_web/live/server_live/show.ex
index 378eaf1..a8ac1f7 100644
--- a/app/lib/prymn_web/live/server_live/show.ex
+++ b/app/lib/prymn_web/live/server_live/show.ex
@@ -1,5 +1,4 @@
 defmodule PrymnWeb.ServerLive.Show do
-  alias DBConnection.App
   use PrymnWeb, :live_view
 
   require Logger
@@ -7,44 +6,38 @@ defmodule PrymnWeb.ServerLive.Show do
 
   @impl true
   def mount(_params, _session, socket) do
-    {:ok, socket}
+    # TODO: A more lightweight call instead of listing all data?
+    servers = Servers.list_servers()
+    {:ok, assign(socket, :servers, servers)}
   end
 
   @impl true
   def render(assigns) do
     ~H"""
     <div class="mx-auto max-w-2xl">
-      <.header>
-        <span id="server-name" class="relative flex items-center">
-          <button title="Select a different server">
-            Server <%= @server.name %>
-            <.icon name="hero-chevron-down" />
-          </button>
-          <button class="ml-4" title="Edit server name" phx-click={show_edit_server_name()}>
-            <.icon class="h-3 w-3" name="hero-pencil" />
-          </button>
-          <span
-            role="tooltip"
-            class={[
-              "absolute -left-6 inline-flex h-3 w-3 before:-translate-x-1/2 before:-translate-y-full",
-              "before:-top-2 before:left-1/2 before:absolute before:text-sm before:text-white",
-              "before:font-normal before:content-[attr(data-tip)] before:opacity-0",
-              "hover:before:opacity-100 before:py-1 before:px-2 before:bg-black",
-              "before:rounded before:pointer-events-none before:transition-opacity"
-            ]}
-            data-tip={@health.message}
+      <div class="flex justify-between">
+        <div id="server-name" class="relative flex items-center">
+          <.dropdown title="Select a different server">
+            <:button>Server <%= @server.name %></:button>
+            <:item :for={server <- Enum.filter(@servers, fn s -> s.id != @server.id end)}>
+              <.link
+                patch={~p"/servers/#{server}"}
+                class="block text-sm text-gray-700"
+                role="menuitem"
+              >
+                <%= server.name %>
+              </.link>
+            </:item>
+          </.dropdown>
+          <button
+            class="ml-4 inline-flex items-center"
+            title="Edit server name"
+            phx-click={show_edit_server_name()}
           >
-            <%= case @health.message do %>
-              <% "Connected" -> %>
-                <span class="absolute top-0 left-0 h-full w-full animate-ping rounded-full bg-green-400 opacity-75" />
-                <span class="h-3 w-3 rounded-full bg-green-500" />
-              <% "Disconnected" -> %>
-                <span class="h-3 w-3 rounded-full bg-red-500" />
-              <% _ -> %>
-                <span class="h-3 w-3 rounded-full bg-yellow-500" />
-            <% end %>
-          </span>
-        </span>
+            <.icon class="h-4 w-4" name="hero-pencil-solid" />
+          </button>
+          <.indicator message={@health.message} />
+        </div>
         <form class="hidden" id="server-name-edit" phx-submit={submit_edit_server_name()}>
           <input
             class="border-0 border-b border-gray-500"
@@ -53,25 +46,26 @@ defmodule PrymnWeb.ServerLive.Show do
             value={@server.name}
             required
           />
-          <button type="submit" title="Confirm" class="ml-4">
-            <.icon class="h-4 w-4" name="hero-check" />
+          <button type="submit" title="Confirm">
+            <.icon name="hero-check" />
           </button>
         </form>
-        <:subtitle>
-          <%= @server.public_ip %>
-        </:subtitle>
-        <:actions>
+        <div class="space-x-2">
           <Button.primary size="sm">New App</Button.primary>
-          <Button.secondary size="sm">
-            Quick actions <.icon name="hero-chevron-down" class="ml-1" />
-          </Button.secondary>
-        </:actions>
-      </.header>
-      <div class="my-3 text-sm text-slate-700">
-        <%= for {name, task} <- @health.tasks do %>
-          Background task in progress: <%= name %>
-          <p><%= task.progress %> complete</p>
-        <% end %>
+          <.dropdown>
+            <:button>
+              Quick actions
+            </:button>
+            <:item>
+              Test
+            </:item>
+          </.dropdown>
+        </div>
+      </div>
+      <span class="text-sm opacity-75"><%= @server.public_ip %></span>
+      <div :for={{name, task} <- @health.tasks} class="my-3 text-sm text-slate-700">
+        <p>Background task in progress: <%= name %></p>
+        <p><%= task.progress %> complete</p>
       </div>
       <div :if={@server.status == :unregistered} class="my-10">
         <p class="mb-9">
@@ -229,4 +223,30 @@ defmodule PrymnWeb.ServerLive.Show do
     |> JS.hide()
     |> JS.show(to: "#server-name", display: "flex")
   end
+
+  defp indicator(assigns) do
+    ~H"""
+    <span
+      role="tooltip"
+      class={[
+        "absolute -left-6 inline-flex h-3 w-3 before:-translate-x-1/2 before:-translate-y-full",
+        "before:-top-2 before:left-1/2 before:absolute before:text-sm before:text-white",
+        "before:font-normal before:content-[attr(data-tip)] before:opacity-0",
+        "hover:before:opacity-100 before:py-1 before:px-2 before:bg-black",
+        "before:rounded before:pointer-events-none before:transition-opacity"
+      ]}
+      data-tip={@message}
+    >
+      <%= case @message do %>
+        <% "Connected" -> %>
+          <span class="absolute top-0 left-0 h-full w-full animate-ping rounded-full bg-green-400 opacity-75" />
+          <span class="h-3 w-3 rounded-full bg-green-500" />
+        <% "Disconnected" -> %>
+          <span class="h-3 w-3 rounded-full bg-red-500" />
+        <% _ -> %>
+          <span class="h-3 w-3 rounded-full bg-yellow-500" />
+      <% end %>
+    </span>
+    """
+  end
 end