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A foundation for building Elixir Phoenix apps — SaaS, social networks, ERP systems, marketplaces, and more

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phoenix_kit lib modules publishing web post_show.ex
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lib/modules/publishing/web/post_show.ex 

defmodule PhoenixKit.Modules.Publishing.Web.PostShow do

  @moduledoc """

  Post overview page showing metadata, versions, languages, and actions.



  Accessible at `/admin/publishing/:group/:post_uuid`.

  """

  use PhoenixKitWeb, :live_view

  use Gettext, backend: PhoenixKitWeb.Gettext



  alias PhoenixKit.Modules.Publishing

  alias PhoenixKit.Modules.Publishing.PubSub, as: PublishingPubSub

  alias PhoenixKit.Modules.Publishing.Storage

  alias PhoenixKit.Settings

  alias PhoenixKit.Utils.Date, as: UtilsDate

  alias PhoenixKit.Utils.Routes



  @impl true

  def mount(params, _session, socket) do

    group_slug = params["group"]

    post_uuid = params["post_uuid"]



    if connected?(socket) && group_slug do

      PublishingPubSub.subscribe_to_posts(group_slug)

    end



    date_time_settings =

      Settings.get_settings_cached(

        ["date_format", "time_format", "time_zone"],

        %{

          "date_format" => "Y-m-d",

          "time_format" => "H:i",

          "time_zone" => "0"

        }

      )



    socket =

      socket

      |> assign(:group_slug, group_slug)

      |> assign(:post_uuid, post_uuid)

      |> assign(:post, nil)

      |> assign(:group_name, Publishing.group_name(group_slug) || group_slug)

      |> assign(:date_time_settings, date_time_settings)

      |> assign(:enabled_languages, Storage.enabled_language_codes())

      |> assign(:page_title, gettext("Post Overview"))



    {:ok, socket}

  end



  @impl true

  def handle_params(%{"post_uuid" => post_uuid}, _uri, socket) do

    group_slug = socket.assigns.group_slug



    case Publishing.read_post_by_uuid(post_uuid) do

      {:ok, post} ->

        socket =

          socket

          |> assign(:post, post)

          |> assign(:post_uuid, post_uuid)

          |> assign(:page_title, post.metadata.title || gettext("Post Overview"))



        {:noreply, socket}



      {:error, _} ->

        {:noreply,

         socket

         |> put_flash(:error, gettext("Post not found"))

         |> push_navigate(to: Routes.path("/admin/publishing/#{group_slug}"))}

    end

  end



  def handle_params(_params, _uri, socket) do

    {:noreply, socket}

  end



  # PubSub handlers for live updates

  @impl true

  def handle_info({:post_updated, _group_slug, _post_slug}, socket) do

    # Reload post data

    case Publishing.read_post_by_uuid(socket.assigns.post_uuid) do

      {:ok, post} -> {:noreply, assign(socket, :post, post)}

      {:error, _} -> {:noreply, socket}

    end

  end



  def handle_info(_msg, socket), do: {:noreply, socket}



  # Helper functions available to template

  def format_datetime(post) do

    case {post[:date], post[:time]} do

      {%Date{} = date, %Time{} = time} ->

        {:ok, dt} = DateTime.new(date, time, "Etc/UTC")

        UtilsDate.format_datetime_with_user_format(dt)



      {%Date{} = date, _} ->

        UtilsDate.format_date_with_user_format(date)



      _ ->

        ""

    end

  end



  def version_status_badge_class("published"), do: "badge-success"

  def version_status_badge_class("draft"), do: "badge-warning"

  def version_status_badge_class("archived"), do: "badge-ghost"

  def version_status_badge_class(_), do: "badge-ghost"



  def language_status_color("published"), do: "bg-success"

  def language_status_color("draft"), do: "bg-warning"

  def language_status_color("archived"), do: "bg-base-content/20"

  def language_status_color(_), do: "bg-base-content/20"

end