110 lines
3 KiB
Elixir
110 lines
3 KiB
Elixir
defmodule Mobilizon.Service.Export.Participants.ODS do
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@moduledoc """
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Export a list of participants to ODS
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"""
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alias Mobilizon.{Events, Export, PythonPort, PythonWorker}
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alias Mobilizon.Events.Event
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alias Mobilizon.Storage.Repo
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alias Mobilizon.Web.Gettext, as: GettextBackend
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import Mobilizon.Web.Gettext, only: [gettext: 2]
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import Mobilizon.Service.Export.Participants.Common,
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only: [
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save_upload: 5,
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to_list: 1,
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clean_exports: 2,
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columns: 0,
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export_enabled?: 1,
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export_path: 1
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]
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@extension "ods"
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def extension do
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@extension
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end
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@spec export(Event.t(), Keyword.t()) ::
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{:ok, String.t()} | {:error, :failed_to_save_upload | :export_dependency_not_installed}
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def export(%Event{id: event_id} = event, options \\ []) do
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if ready?() do
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filename = "#{ShortUUID.encode!(Ecto.UUID.generate())}.ods"
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full_path = Path.join([export_path(@extension), filename])
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case Repo.transaction(
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fn ->
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content =
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event_id
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|> Events.participant_for_event_export_query(Keyword.get(options, :roles, []))
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|> Repo.all()
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|> Enum.map(&to_list/1)
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|> (fn data -> Enum.concat([columns()], data) end).()
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|> generate_ods()
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File.write!(full_path, content)
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with {:error, err} <- save_ods_upload(full_path, filename, event) do
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Repo.rollback(err)
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end
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end,
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timeout: :infinity
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) do
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{:error, _err} ->
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File.rm!(full_path)
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{:error, :failed_to_save_upload}
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{:ok, _ok} ->
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{:ok, filename}
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end
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else
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{:error, :export_dependency_not_installed}
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end
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end
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defp generate_ods(data) do
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data
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|> Jason.encode!()
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|> PythonWorker.generate_ods()
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end
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@spec save_ods_upload(String.t(), String.t(), Event.t()) ::
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{:ok, Export.t()} | {:error, atom() | Ecto.Changeset.t()}
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defp save_ods_upload(full_path, filename, %Event{id: event_id, title: title}) do
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GettextBackend.gettext_comment(
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"File name template for exported list of participants. Should NOT contain spaces. Make sure the output is going to be something standardized that is acceptable as a file name on most systems."
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)
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save_upload(
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full_path,
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filename,
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to_string(event_id),
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gettext("%{event}_participants", event: title) <> ".ods",
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"ods"
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)
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end
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@doc """
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Clean outdated files in export folder
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"""
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@spec clean_exports :: :ok
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def clean_exports do
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clean_exports(@extension, export_path(@extension))
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end
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@spec dependencies_ok? :: boolean
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def dependencies_ok? do
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PythonPort.python_exists?() && PythonWorker.has_module("pyexcel_ods3")
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end
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@spec enabled? :: boolean
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def enabled? do
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export_enabled?(__MODULE__)
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end
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@spec ready? :: boolean
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def ready? do
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enabled?() && dependencies_ok?()
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end
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end
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