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1.0.0
A foundation for building Elixir Phoenix apps — SaaS, social networks, ERP systems, marketplaces, and more
Current section
Files
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Files
lib/phoenix_kit_web/live/users/media_detail.ex
defmodule PhoenixKitWeb.Live.Users.MediaDetail do
@moduledoc """
Single media file detail view for PhoenixKit admin panel.
Provides a shareable view for a specific uploaded media file by file_id.
"""
use PhoenixKitWeb, :live_view
use Gettext, backend: PhoenixKitWeb.Gettext
require Logger
alias PhoenixKit.Settings
alias PhoenixKit.Storage.File
alias PhoenixKit.Storage.FileInstance
alias PhoenixKit.Storage.URLSigner
alias PhoenixKit.Utils.Routes
alias PhoenixKit.Utils.Date, as: UtilsDate
def mount(params, _session, socket) do
# Set locale for LiveView process
locale = params["locale"] || socket.assigns[:current_locale] || "en"
Gettext.put_locale(PhoenixKitWeb.Gettext, locale)
Process.put(:phoenix_kit_current_locale, locale)
# Get file_id from params
file_id = params["file_id"]
# Batch load all settings needed for this page
settings =
Settings.get_settings_cached(
["project_title"],
%{"project_title" => "PhoenixKit"}
)
socket =
socket
|> assign(:page_title, "Media Detail")
|> assign(:project_title, settings["project_title"])
|> assign(:current_locale, locale)
|> assign(:file_id, file_id)
|> load_file_data(file_id)
{:ok, socket}
end
defp load_file_data(socket, file_id) do
repo = Application.get_env(:phoenix_kit, :repo)
import Ecto.Query
case repo.get(File, file_id) do
nil ->
socket
|> assign(:file, nil)
|> assign(:file_data, nil)
file ->
# Load file instances for this file
instances =
FileInstance
|> where([fi], fi.file_id == ^file_id)
|> repo.all()
# Generate URLs from instances
urls = generate_urls_from_instances(instances, file_id)
# Build file data map
file_data = %{
file_id: file.id,
filename: file.original_file_name || file.file_name || "Unknown",
original_filename: file.original_file_name,
file_type: file.file_type,
mime_type: file.mime_type,
size: file.size || 0,
status: file.status,
urls: urls,
inserted_at: file.inserted_at,
updated_at: file.updated_at
}
socket
|> assign(:file, file)
|> assign(:file_data, file_data)
end
end
# Generate URLs from pre-loaded instances (no database query needed)
defp generate_urls_from_instances(instances, file_id) do
Enum.reduce(instances, %{}, fn instance, acc ->
url = URLSigner.signed_url(file_id, instance.variant_name)
Map.put(acc, instance.variant_name, url)
end)
end
# Format file size in human-readable format
defp format_file_size(bytes) when is_integer(bytes) do
cond do
bytes >= 1_000_000_000 -> "#{Float.round(bytes / 1_000_000_000, 2)} GB"
bytes >= 1_000_000 -> "#{Float.round(bytes / 1_000_000, 2)} MB"
bytes >= 1_000 -> "#{Float.round(bytes / 1_000, 2)} KB"
true -> "#{bytes} B"
end
end
# Get icon for file type
defp file_icon("image"), do: "hero-photo"
defp file_icon("video"), do: "hero-play-circle"
defp file_icon("pdf"), do: "hero-document-text"
defp file_icon("document"), do: "hero-document"
defp file_icon(_), do: "hero-document-arrow-down"
end