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20200724133313_move_welcome_settings.exs
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20200724133313_move_welcome_settings.exs
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.MoveWelcomeSettings do
use Ecto.Migration
alias Pleroma.ConfigDB
@old_keys [:welcome_user_nickname, :welcome_message]
def up do
with {:ok, config, {keep_values, move_values}} <- get_old_values() do
insert_welcome_settings(move_values)
update_instance_config(config, keep_values)
end
end
def down do
with {:ok, welcome_config, revert_values} <- get_revert_values() do
revert_instance_config(revert_values)
Pleroma.Repo.delete(welcome_config)
end
end
defp insert_welcome_settings([_ | _] = values) do
unless String.trim(values[:welcome_message]) == "" do
config_values = [
direct_message: %{
enabled: true,
sender_nickname: values[:welcome_user_nickname],
message: values[:welcome_message]
},
email: %{
enabled: false,
sender: nil,
subject: "Welcome to <%= instance_name %>",
html: "Welcome to <%= instance_name %>",
text: "Welcome to <%= instance_name %>"
}
]
{:ok, _} =
%ConfigDB{}
|> ConfigDB.changeset(%{group: :pleroma, key: :welcome, value: config_values})
|> Pleroma.Repo.insert()
end
:ok
end
defp insert_welcome_settings(_), do: :noop
defp revert_instance_config(%{} = revert_values) do
values = [
welcome_user_nickname: revert_values[:sender_nickname],
welcome_message: revert_values[:message]
]
ConfigDB.update_or_create(%{group: :pleroma, key: :instance, value: values})
end
defp revert_instance_config(_), do: :noop
defp update_instance_config(config, values) do
{:ok, _} =
config
|> ConfigDB.changeset(%{value: values})
|> Pleroma.Repo.update()
:ok
end
defp get_revert_values do
config = ConfigDB.get_by_params(%{group: :pleroma, key: :welcome})
cond do
is_nil(config) -> {:noop, nil, nil}
true -> {:ok, config, config.value[:direct_message]}
end
end
defp get_old_values do
config = ConfigDB.get_by_params(%{group: :pleroma, key: :instance})
cond do
is_nil(config) ->
{:noop, config, {}}
is_binary(config.value[:welcome_message]) ->
{:ok, config,
{Keyword.drop(config.value, @old_keys), Keyword.take(config.value, @old_keys)}}
true ->
{:ok, config, {Keyword.drop(config.value, @old_keys), []}}
end
end
end

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