Packages

livebook

0.8.1
0.19.8 0.19.7 0.19.6 0.19.5 0.19.4 0.19.3 0.19.2 0.19.1 0.19.0 0.18.6 0.18.5 0.18.4 0.18.3 0.18.2 0.18.1 0.18.0 0.17.3 0.17.2 0.17.1 0.17.0 0.16.4 0.16.3 0.16.2 0.16.1 0.16.0 0.15.5 0.15.4 0.15.3 0.15.2 0.15.1 0.15.0 0.14.7 0.14.6 0.14.5 0.14.4 0.14.3 0.14.2 0.14.1 0.14.0 0.14.0-rc.1 0.14.0-rc.0 0.13.3 0.13.2 0.13.1 0.13.0 0.12.1 0.12.0 0.11.4 0.11.3 0.11.2 0.11.1 0.11.0 0.10.0 0.9.3 0.9.2 0.9.1 0.9.0 0.8.2 0.8.1 0.8.0 0.7.2 0.7.1 0.7.0 0.6.3 0.6.2 0.6.1 0.6.0 0.5.2 0.5.1 0.5.0 0.4.1 0.4.0 0.3.2 0.3.1 0.3.0 0.2.3 0.2.2 0.2.1 0.2.0 0.1.2 0.1.1 0.1.0

Automate code & data workflows with interactive notebooks

Security advisory: This version has known vulnerabilities. View advisories
HexDocs

Current section

Files

Jump to
Readme
82 Versions
16 Dependencies
3 Dependants
1 Advisory
Files
Activity
livebook lib livebook_web live output file_input_component.ex
Raw

lib/livebook_web/live/output/file_input_component.ex 

defmodule LivebookWeb.Output.FileInputComponent do

  use LivebookWeb, :live_component



  @impl true

  def mount(socket) do

    {:ok, assign(socket, initialized: false)}

  end



  @impl true

  def update(assigns, socket) do

    socket = assign(socket, assigns)



    socket =

      if socket.assigns.initialized do

        socket

      else

        socket

        |> allow_upload(:file,

          accept: socket.assigns.accept,

          max_entries: 1,

          progress: &handle_progress/3,

          auto_upload: true

        )

        |> assign(initialized: true)

      end



    {:ok, socket}

  end



  @impl true

  def render(assigns) do

    ~H"""

    <form id={"#{@id}-root"} phx-change="validate" phx-target={@myself}>

      <label

        class="inline-flex flex-col gap-4 p-4 border-2 border-dashed border-gray-200 rounded-lg cursor-pointer"

        phx-drop-target={@uploads.file.ref}

        phx-hook="Dropzone"

        id="upload-file-dropzone"

      >

        <div class="flex justify-center text-gray-500">

          <%= if @value do %>

            <%= @value.client_name %>

          <% else %>

            Click to select a file or drag a local file here

          <% end %>

        </div>

        <.live_file_input upload={@uploads.file} class="hidden" />

      </label>

    </form>

    """

  end



  @impl true

  def handle_event("validate", %{}, socket) do

    {:noreply, socket}

  end



  defp handle_progress(:file, entry, socket) do

    if entry.done? do

      socket

      |> consume_uploaded_entries(:file, fn %{path: path}, entry ->

        destination_path =

          Livebook.Session.local_file_input_path(

            socket.assigns.session_id,

            socket.assigns.input_id

          )



        destination_path |> Path.dirname() |> File.mkdir_p!()

        File.cp!(path, destination_path)



        {:ok, {destination_path, entry.client_name}}

      end)

      |> case do

        [{path, client_name}] ->

          # The path is always the same, so we include a random version

          # to reflect a new value

          value = %{

            path: path,

            client_name: client_name,

            version: Livebook.Utils.random_short_id()

          }



          send_update(LivebookWeb.Output.InputComponent,

            id: socket.assigns.input_component_id,

            event: :change,

            value: value

          )



        [] ->

          :ok

      end

    end



    {:noreply, socket}

  end

end