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A foundation for building Elixir Phoenix apps — SaaS, social networks, ERP systems, marketplaces, and more
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Files
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Current section
Files
lib/phoenix_kit_web/live/modules/publishing/preview.ex
defmodule PhoenixKitWeb.Live.Modules.Publishing.Preview do
@moduledoc """
Preview rendering for .phk publishing entries.
"""
use PhoenixKitWeb, :live_view
use Gettext, backend: PhoenixKitWeb.Gettext
alias Phoenix.HTML
alias PhoenixKitWeb.Live.Modules.Publishing
# alias PhoenixKitWeb.Live.Modules.Publishing.PageBuilder # COMMENTED OUT: Component system
alias PhoenixKit.Settings
alias PhoenixKit.Utils.Routes
def mount(%{"type" => type_slug} = params, _session, socket) do
locale = params["locale"] || socket.assigns[:current_locale] || "en"
Gettext.put_locale(PhoenixKitWeb.Gettext, locale)
Process.put(:phoenix_kit_current_locale, locale)
socket =
socket
|> assign(:current_locale, locale)
|> assign(:project_title, Settings.get_setting("project_title", "PhoenixKit"))
|> assign(:page_title, "Preview")
|> assign(:type_slug, type_slug)
|> assign(:type_name, Publishing.type_name(type_slug) || type_slug)
|> assign(
:current_path,
Routes.path("/admin/publishing/#{type_slug}/preview", locale: locale)
)
|> assign(:rendered_content, nil)
|> assign(:error, nil)
{:ok, socket}
end
def handle_params(%{"path" => path}, _uri, socket) do
type_slug = socket.assigns.type_slug
case Publishing.read_entry(type_slug, path) do
{:ok, entry} ->
case render_markdown_content(entry.content) do
{:ok, rendered_html} ->
{:noreply,
socket
|> assign(:entry, entry)
|> assign(:rendered_content, rendered_html)
|> assign(:error, nil)}
{:error, error_message} ->
{:noreply,
socket
|> assign(:entry, entry)
|> assign(:rendered_content, nil)
|> assign(:error, error_message)}
end
{:error, _reason} ->
{:noreply,
socket
|> put_flash(:error, gettext("Entry not found"))
|> push_navigate(
to:
Routes.path("/admin/publishing/#{type_slug}",
locale: socket.assigns.current_locale
)
)}
end
end
def handle_event("back_to_editor", _params, socket) do
path = URI.encode(socket.assigns.entry.path)
{:noreply,
push_navigate(socket,
to:
Routes.path(
"/admin/publishing/#{socket.assigns.type_slug}/edit?path=#{path}",
locale: socket.assigns.current_locale
)
)}
end
# ============================================================================
# COMMENTED OUT: Component-based rendering system - Preview assigns builder
# ============================================================================
# This was used to build sample data for the component rendering system.
# Related to: lib/phoenix_kit/publishing/page_builder.ex
# ============================================================================
# Build sample assigns for preview rendering
# defp build_preview_assigns(_socket) do
# %{
# user: %{
# name: "Preview User",
# greeting_time: "Today"
# },
# stats: %{
# total_users: "1,000",
# active_projects: 5
# },
# framework: "Phoenix"
# }
# end
defp render_markdown_content(content) do
trimmed = content || ""
case Earmark.as_html(trimmed) do
{:ok, html, _warnings} ->
{:ok, HTML.raw(html)}
{:error, _html, errors} ->
message =
errors
|> Enum.map(&format_markdown_error/1)
|> Enum.join("; ")
|> case do
"" -> gettext("An unknown error occurred while rendering markdown.")
err -> gettext("Failed to render markdown: %{message}", message: err)
end
{:error, message}
end
end
defp format_markdown_error({severity, line, message})
when is_atom(severity) and is_integer(line) and is_binary(message) do
"#{severity} (line #{line}): #{message}"
end
defp format_markdown_error(%{line: line, message: message})
when is_integer(line) and is_binary(message) do
"line #{line}: #{message}"
end
defp format_markdown_error(other), do: inspect(other)
end