Initial commit: Phoenix LiveView demo for interactive data tables with filtering, sorting, pagination, URL state, and progressive enhancement

Implements a fully-featured action requests table in a single LiveView module using Flop, Ecto, and SQLite. Includes:

- Fuzzy search, status/assignment filters, column sorting, 25-per-page pagination
- Real-time updates, bookmarkable URLs via `handle_params/3`
- JS-disabled fallback with GET forms (no duplicate logic)
- 1,000,000 seeded records, Tailwind + DaisyUI styling, light/dark themes
- Comprehensive README with comparisons to Django+React/Rails+React stacks
- 31 tests covering all scenarios

Tech: Phoenix 1.8+, LiveView, Flop, Ecto, SQLite, Elixir 1.15+
This commit is contained in:
2025-11-16 10:24:06 +00:00
commit de1b1bd484
38 changed files with 3718 additions and 0 deletions

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defmodule ActionRequestsDemoWeb.CoreComponents do
@moduledoc """
Provides core UI components. Only the minimal set for demo: icon, show/hide JS helpers, and error translation.
"""
use Phoenix.Component
alias Phoenix.LiveView.JS
@doc """
Renders flash notices.
"""
attr :id, :string, doc: "the optional id of flash container"
attr :flash, :map, default: %{}, doc: "the map of flash messages to display"
attr :title, :string, default: nil
attr :kind, :atom, values: [:info, :error], doc: "used for styling and flash lookup"
attr :rest, :global, doc: "the arbitrary HTML attributes to add to the flash container"
slot :inner_block, doc: "the optional inner block that renders the flash message"
def flash(assigns) do
assigns = assign_new(assigns, :id, fn -> "flash-#{assigns.kind}" end)
~H"""
<div
:if={msg = render_slot(@inner_block) || Phoenix.Flash.get(@flash, @kind)}
id={@id}
phx-click={JS.push("lv:clear-flash", value: %{key: @kind}) |> hide("##{@id}")}
role="alert"
class="toast toast-top toast-end z-50"
{@rest}
>
<div class={[
"alert w-80 sm:w-96 max-w-80 sm:max-w-96 text-wrap",
@kind == :info && "alert-info",
@kind == :error && "alert-error"
]}>
<div>
<p :if={@title} class="font-semibold">{@title}</p>
<p>{msg}</p>
</div>
<div class="flex-1" />
<button type="button" class="group self-start cursor-pointer" aria-label="close">
&times;
</button>
</div>
</div>
"""
end
## JS Commands
@doc """
Shows an element with animation.
"""
def show(js \\ %JS{}, selector) do
JS.show(js,
to: selector,
time: 300,
transition:
{"transition-all ease-out duration-300",
"opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95",
"opacity-100 translate-y-0 sm:scale-100"}
)
end
@doc """
Hides an element with animation.
"""
def hide(js \\ %JS{}, selector) do
JS.hide(js,
to: selector,
time: 200,
transition:
{"transition-all ease-in duration-200", "opacity-100 translate-y-0 sm:scale-100",
"opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"}
)
end
end

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defmodule ActionRequestsDemoWeb.Layouts do
@moduledoc """
This module holds layouts and related functionality
used by your application.
"""
use ActionRequestsDemoWeb, :html
# Embed all files in layouts/* within this module.
# The default root.html.heex file contains the HTML
# skeleton of your application, namely HTML headers
# and other static content.
embed_templates "layouts/*"
@doc """
Renders your app layout.
This function is typically invoked from every template,
and it often contains your application menu, sidebar,
or similar.
## Examples
<Layouts.app flash={@flash}>
<h1>Content</h1>
</Layouts.app>
"""
attr :flash, :map, required: true, doc: "the map of flash messages"
attr :current_scope, :map,
default: nil,
doc: "the current [scope](https://hexdocs.pm/phoenix/scopes.html)"
slot :inner_block, required: true
def app(assigns) do
~H"""
<main>
{render_slot(@inner_block)}
</main>
<.flash_group flash={@flash} />
"""
end
@doc """
Shows the flash group with standard titles and content.
## Examples
<.flash_group flash={@flash} />
"""
attr :flash, :map, required: true, doc: "the map of flash messages"
attr :id, :string, default: "flash-group", doc: "the optional id of flash container"
def flash_group(assigns) do
~H"""
<div id={@id} aria-live="polite">
<.flash kind={:info} flash={@flash} />
<.flash kind={:error} flash={@flash} />
<.flash
id="client-error"
kind={:error}
title="We can't find the internet"
phx-disconnected={show(".phx-client-error #client-error") |> JS.remove_attribute("hidden")}
phx-connected={hide("#client-error") |> JS.set_attribute({"hidden", ""})}
hidden
>
Attempting to reconnect…
</.flash>
<.flash
id="server-error"
kind={:error}
title="Something went wrong!"
phx-disconnected={show(".phx-server-error #server-error") |> JS.remove_attribute("hidden")}
phx-connected={hide("#server-error") |> JS.set_attribute({"hidden", ""})}
hidden
>
Attempting to reconnect…
</.flash>
</div>
"""
end
@doc """
Provides dark vs light theme toggle based on themes defined in app.css.
See <head> in root.html.heex which applies the theme before page load.
"""
end

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="csrf-token" content={get_csrf_token()} />
<.live_title default="ActionRequestsDemo" suffix=" · Phoenix Framework">
{assigns[:page_title]}
</.live_title>
<link phx-track-static rel="stylesheet" href={~p"/assets/css/app.css"} />
<script defer phx-track-static type="text/javascript" src={~p"/assets/js/app.js"}>
</script>
<script>
(() => {
const setTheme = (theme) => {
if (theme === "system") {
localStorage.removeItem("phx:theme");
document.documentElement.removeAttribute("data-theme");
} else {
localStorage.setItem("phx:theme", theme);
document.documentElement.setAttribute("data-theme", theme);
}
};
if (!document.documentElement.hasAttribute("data-theme")) {
setTheme(localStorage.getItem("phx:theme") || "system");
}
window.addEventListener("storage", (e) => e.key === "phx:theme" && setTheme(e.newValue || "system"));
window.addEventListener("phx:set-theme", (e) => setTheme(e.target.dataset.phxTheme));
})();
</script>
</head>
<body>
{@inner_content}
</body>
</html>