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"""
{@error_code} - {@error_title}
"""
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