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77 lines
2.2 KiB
Elixir
77 lines
2.2 KiB
Elixir
defmodule LivebookWeb.SessionHelpers do
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import Phoenix.LiveView
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alias Phoenix.LiveView.Socket
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alias Livebook.Session
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alias LivebookWeb.Router.Helpers, as: Routes
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@doc """
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Creates a new session, redirects on success,
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puts an error flash message on failure.
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Accepts the same options as `Livebook.Sessions.create_session/1`.
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"""
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@spec create_session(Socket.t(), keyword()) :: Socket.t()
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def create_session(socket, opts \\ []) do
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# Revert persistence options to default values if there is
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# no file attached to the new session
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opts =
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if opts[:notebook] != nil and opts[:file] == nil do
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Keyword.update!(opts, :notebook, &Livebook.Notebook.reset_persistence_options/1)
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else
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opts
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end
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case Livebook.Sessions.create_session(opts) do
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{:ok, session} ->
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redirect_path = session_path(socket, session.id, opts)
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push_redirect(socket, to: redirect_path)
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{:error, reason} ->
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put_flash(socket, :error, "Failed to create session: #{reason}")
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end
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end
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@doc """
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Generate the session path based on the provided options.
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"""
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@spec session_path(Socket.t(), Session.id(), keyword()) :: String.t()
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def session_path(socket, session_id, opts \\ []) do
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socket
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|> Routes.session_path(:page, session_id)
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|> maybe_add_url_hash(opts)
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end
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defp maybe_add_url_hash(redirect_path, opts) do
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case opts[:url_hash] do
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nil -> redirect_path
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url_hash -> "#{redirect_path}##{url_hash}"
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end
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end
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@doc """
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Formats the given list of notebook import messages and puts
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into the warning flash.
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"""
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@spec put_import_warnings(Socket.t(), list(String.t())) :: Socket.t()
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def put_import_warnings(socket, messages)
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def put_import_warnings(socket, []), do: socket
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def put_import_warnings(socket, messages) do
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list =
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messages
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|> Enum.map(fn message -> ["- ", message] end)
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|> Enum.intersperse("\n")
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flash =
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IO.iodata_to_binary([
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"We found problems while importing the file and tried to autofix them:\n" | list
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])
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put_flash(socket, :warning, flash)
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end
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def uses_memory?(%{runtime: %{total: total}}) when total > 0, do: true
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def uses_memory?(_), do: false
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end
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