berrypod/lib/berrypod_web/controllers/error_html.ex

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defmodule BerrypodWeb.ErrorHTML do
@moduledoc """
This module is invoked by your endpoint in case of errors on HTML requests.
See config/config.exs.
"""
use BerrypodWeb, :html
alias Berrypod.Settings
alias Berrypod.Settings.ThemeSettings
alias Berrypod.Media
alias Berrypod.Products
alias Berrypod.Theme.{CSSCache, CSSGenerator}
def render("404.html", assigns) do
render_error_page(
assigns,
"404",
"Page Not Found",
"Sorry, we couldn't find the page you're looking for. Perhaps you've mistyped the URL or the page has been moved."
)
end
def render("500.html", assigns) do
render_error_page(
assigns,
"500",
"Server Error",
"Something went wrong on our end. Please try again later or contact support if the problem persists."
)
end
def render(template, _assigns) do
Phoenix.Controller.status_message_from_template(template)
end
defp render_error_page(assigns, error_code, error_title, error_description) do
# Load theme settings with fallback for error conditions
{theme_settings, generated_css} = load_theme_data()
logo_image = safe_load(&Media.get_logo/0)
header_image = safe_load(&Media.get_header/0)
products = safe_load(fn -> Products.list_visible_products(limit: 4) end) || []
categories = safe_load(fn -> Products.list_categories() end) || []
assigns =
assigns
|> Map.put(:theme_settings, theme_settings)
|> Map.put(:generated_css, generated_css)
|> Map.put(:logo_image, logo_image)
|> Map.put(:header_image, header_image)
|> Map.put(:products, products)
|> Map.put(:categories, categories)
|> Map.put(:error_code, error_code)
|> Map.put(:error_title, error_title)
|> Map.put(:error_description, error_description)
|> Map.put(:mode, :shop)
|> Map.put(:cart_items, [])
|> Map.put(:cart_count, 0)
|> Map.put(:cart_subtotal, "£0.00")
~H"""
<!DOCTYPE html>
<html lang="en" class="h-full">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>{@error_code} - {@error_title}</title>
<link phx-track-static rel="stylesheet" href={~p"/assets/css/admin.css"} />
<style id="theme-css">
<%= Phoenix.HTML.raw(@generated_css) %>
</style>
</head>
<body class="h-full">
<div
class="shop-root themed h-full"
data-mood={@theme_settings.mood}
data-typography={@theme_settings.typography}
data-shape={@theme_settings.shape}
data-density={@theme_settings.density}
data-grid={@theme_settings.grid_columns}
data-header={@theme_settings.header_layout}
data-sticky={to_string(@theme_settings.sticky_header)}
data-layout={@theme_settings.layout_width}
data-shadow={@theme_settings.card_shadow}
>
<BerrypodWeb.PageTemplates.error
theme_settings={@theme_settings}
logo_image={@logo_image}
header_image={@header_image}
products={@products}
categories={@categories}
error_code={@error_code}
error_title={@error_title}
error_description={@error_description}
mode={@mode}
cart_items={@cart_items}
cart_count={@cart_count}
cart_subtotal={@cart_subtotal}
/>
</div>
</body>
</html>
"""
end
defp load_theme_data do
try do
theme_settings = Settings.get_theme_settings()
generated_css =
case CSSCache.get() do
{:ok, css} ->
css
:miss ->
css = CSSGenerator.generate(theme_settings, &BerrypodWeb.Endpoint.static_path/1)
CSSCache.put(css)
css
end
{theme_settings, generated_css}
rescue
_ -> {%ThemeSettings{}, ""}
end
end
defp safe_load(fun) do
try do
fun.()
rescue
_ -> nil
end
end
end