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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 posts web details.ex
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lib/modules/posts/web/details.ex 

defmodule PhoenixKitWeb.Live.Modules.Posts.Details do

  @moduledoc """

  LiveView for displaying a single post with all details and interactions.



  Displays:

  - Post content (title, subtitle, content, media)

  - Author information

  - Post statistics (views, likes, comments)

  - Tags and groups

  - Comments via standalone CommentsComponent

  - Like/unlike functionality

  - Admin actions (edit, delete, status changes)



  ## Route



  This LiveView is mounted at `{prefix}/admin/posts/:id` and requires

  appropriate permissions.



  Note: `{prefix}` is your configured PhoenixKit URL prefix (default: `/phoenix_kit`).

  """



  use PhoenixKitWeb, :live_view



  require Logger



  alias PhoenixKit.Modules.Comments

  alias PhoenixKit.Modules.Posts

  alias PhoenixKit.Modules.Publishing.Renderer

  alias PhoenixKit.Settings

  alias PhoenixKit.Users.Roles

  alias PhoenixKit.Utils.Routes



  @impl true

  def mount(%{"id" => post_uuid}, _session, socket) do

    # Get current user

    current_user = socket.assigns[:phoenix_kit_current_user]



    # Get project title

    project_title = Settings.get_project_title()



    # Load post with all associations

    case Posts.get_post!(post_uuid, preload: [:user, [media: :file], :tags, :groups, :mentions]) do

      nil ->

        {:ok,

         socket

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

         |> push_navigate(to: Routes.path("/admin/posts"))}



      post ->

        # Increment view count

        Posts.increment_view_count(post)



        # Check if current user liked this post

        liked_by_user = Posts.post_liked_by?(post.uuid, current_user.uuid)



        # Load settings

        comments_enabled = Comments.enabled?()

        likes_enabled = Settings.get_setting("posts_likes_enabled", "true") == "true"

        show_view_count = Settings.get_setting("posts_show_view_count", "true") == "true"



        socket =

          socket

          |> assign(:page_title, post.title)

          |> assign(:project_title, project_title)

          |> assign(:post, post)

          |> assign(:rendered_content, render_markdown_content(post.content))

          |> assign(:current_user, current_user)

          |> assign(:liked_by_user, liked_by_user)

          |> assign(:comments_enabled, comments_enabled)

          |> assign(:likes_enabled, likes_enabled)

          |> assign(:show_view_count, show_view_count)



        {:ok, socket}

    end

  end



  @impl true

  def handle_event("like_post", _params, socket) do

    post = socket.assigns.post

    current_user = socket.assigns.current_user



    if socket.assigns.liked_by_user do

      # Unlike

      Posts.unlike_post(post.uuid, current_user.uuid)



      updated_post =

        Posts.get_post!(post.uuid, preload: [:user, [media: :file], :tags, :groups, :mentions])



      {:noreply,

       socket

       |> assign(:post, updated_post)

       |> assign(:liked_by_user, false)}

    else

      # Like

      Posts.like_post(post.uuid, current_user.uuid)



      updated_post =

        Posts.get_post!(post.uuid, preload: [:user, [media: :file], :tags, :groups, :mentions])



      {:noreply,

       socket

       |> assign(:post, updated_post)

       |> assign(:liked_by_user, true)}

    end

  end



  @impl true

  def handle_event("edit_post", _params, socket) do

    {:noreply,

     push_navigate(socket, to: Routes.path("/admin/posts/#{socket.assigns.post.uuid}/edit"))}

  end



  @impl true

  def handle_event("delete_post", _params, socket) do

    case Posts.delete_post(socket.assigns.post) do

      {:ok, _} ->

        {:noreply,

         socket

         |> put_flash(:info, "Post deleted successfully")

         |> push_navigate(to: Routes.path("/admin/posts"))}



      {:error, _} ->

        {:noreply, socket |> put_flash(:error, "Failed to delete post")}

    end

  end



  @impl true

  def handle_event("change_status", %{"status" => status}, socket) do

    case Posts.update_post(socket.assigns.post, %{status: status}) do

      {:ok, updated_post} ->

        {:noreply,

         socket

         |> assign(:post, updated_post)

         |> put_flash(:info, "Post status updated to #{status}")}



      {:error, _} ->

        {:noreply, socket |> put_flash(:error, "Failed to update post status")}

    end

  end



  # Handle comment count updates from CommentsComponent

  @impl true

  def handle_info({:comments_updated, _info}, socket) do

    updated_post =

      Posts.get_post!(socket.assigns.post.uuid,

        preload: [:user, [media: :file], :tags, :groups, :mentions]

      )



    {:noreply, assign(socket, :post, updated_post)}

  end



  ## --- Private Helper Functions ---



  defp user_is_admin?(user) do

    Roles.user_has_role_owner?(user) or Roles.user_has_role_admin?(user)

  end



  defp can_edit_post?(user, post) do

    user.uuid == post.user_uuid or user_is_admin?(user)

  end



  defp format_post_type("post"), do: "Post"

  defp format_post_type("snippet"), do: "Snippet"

  defp format_post_type("repost"), do: "Repost"

  defp format_post_type(_), do: "Unknown"



  defp format_status("draft"), do: "Draft"

  defp format_status("public"), do: "Public"

  defp format_status("unlisted"), do: "Unlisted"

  defp format_status("scheduled"), do: "Scheduled"

  defp format_status(_), do: "Unknown"



  defp format_type_badge_class("post"), do: "badge badge-primary"

  defp format_type_badge_class("snippet"), do: "badge badge-secondary"

  defp format_type_badge_class("repost"), do: "badge badge-accent"

  defp format_type_badge_class(_), do: "badge badge-ghost"



  defp format_status_badge_class("draft"), do: "badge badge-neutral"

  defp format_status_badge_class("public"), do: "badge badge-success"

  defp format_status_badge_class("unlisted"), do: "badge badge-warning"

  defp format_status_badge_class("scheduled"), do: "badge badge-info"

  defp format_status_badge_class(_), do: "badge badge-ghost"



  defp render_markdown_content(content) when is_binary(content) and content != "" do

    Renderer.render_markdown(content)

  end



  defp render_markdown_content(_), do: ""

end