livebook/lib/livebook_web/live/session_helpers.ex
Jonatan Kłosko 8e6558a83a
Introduce file system abstraction and an S3 implementation (#492)
* Introduce file system abstraction and an S3 implementation

* Support arbitrary absolute paths and delegate resolution to file system

* Remove accidental notebook file

* Apply suggestions from code review

Co-authored-by: José Valim <jose.valim@dashbit.co>

* Apply review comments

* Add missing path assertions

* Apply review comments

* Fix test saving notebook in project root

Co-authored-by: José Valim <jose.valim@dashbit.co>
2021-08-13 21:17:43 +02:00

54 lines
1.6 KiB
Elixir

defmodule LivebookWeb.SessionHelpers do
import Phoenix.LiveView
alias LivebookWeb.Router.Helpers, as: Routes
@doc """
Creates a new session, redirects on success,
puts an error flash message on failure.
Accepts the same options as `Livebook.SessionSupervisor.create_session/1`.
"""
@spec create_session(Phoenix.LiveView.Socket.t(), keyword()) :: Phoenix.LiveView.Socket.t()
def create_session(socket, opts \\ []) do
# Revert persistence options to default values if there is
# no file attached to the new session
opts =
if opts[:notebook] != nil and opts[:file] == nil do
Keyword.update!(opts, :notebook, &Livebook.Notebook.reset_persistence_options/1)
else
opts
end
case Livebook.SessionSupervisor.create_session(opts) do
{:ok, id} ->
push_redirect(socket, to: Routes.session_path(socket, :page, id))
{:error, reason} ->
put_flash(socket, :error, "Failed to create session: #{reason}")
end
end
@doc """
Formats the given list of notebook import messages and puts
into the info flash.
"""
@spec put_import_flash_messages(Phoenix.LiveView.Socket.t(), list(String.t())) ::
Phoenix.LiveView.Socket.t()
def put_import_flash_messages(socket, messages)
def put_import_flash_messages(socket, []), do: socket
def put_import_flash_messages(socket, messages) do
list =
messages
|> Enum.map(fn message -> ["- ", message] end)
|> Enum.intersperse("\n")
flash =
IO.iodata_to_binary([
"We found problems while importing the file and tried to autofix them:\n" | list
])
put_flash(socket, :info, flash)
end
end