archinstall/archinstall/lib/disk/subvolume_menu.py

102 lines
2.6 KiB
Python

from pathlib import Path
from typing import TYPE_CHECKING, assert_never, override
from archinstall.lib.models.device_model import SubvolumeModification
from archinstall.tui.curses_menu import EditMenu
from archinstall.tui.result import ResultType
from archinstall.tui.types import Alignment
from ..menu.list_manager import ListManager
from ..utils.util import prompt_dir
if TYPE_CHECKING:
from collections.abc import Callable
from archinstall.lib.translationhandler import DeferredTranslation
_: Callable[[str], DeferredTranslation]
class SubvolumeMenu(ListManager[SubvolumeModification]):
def __init__(
self,
btrfs_subvols: list[SubvolumeModification],
prompt: str | None = None
):
self._actions = [
str(_('Add subvolume')),
str(_('Edit subvolume')),
str(_('Delete subvolume'))
]
super().__init__(
btrfs_subvols,
[self._actions[0]],
self._actions[1:],
prompt
)
@override
def selected_action_display(self, selection: SubvolumeModification) -> str:
return str(selection.name)
def _add_subvolume(self, preset: SubvolumeModification | None = None) -> SubvolumeModification | None:
result = EditMenu(
str(_('Subvolume name')),
alignment=Alignment.CENTER,
allow_skip=True,
default_text=str(preset.name) if preset else None
).input()
match result.type_:
case ResultType.Skip:
return preset
case ResultType.Selection:
name = result.text()
case ResultType.Reset:
raise ValueError('Unhandled result type')
case _:
assert_never(result.type_)
header = f"{_('Subvolume name')}: {name}\n"
path = prompt_dir(
str(_("Subvolume mountpoint")),
header=header,
allow_skip=True,
validate=False
)
if not path:
return None
return SubvolumeModification(Path(name), path)
@override
def handle_action(
self,
action: str,
entry: SubvolumeModification | None,
data: list[SubvolumeModification]
) -> list[SubvolumeModification]:
if action == self._actions[0]: # add
new_subvolume = self._add_subvolume()
if new_subvolume is not None:
# in case a user with the same username as an existing user
# was created we'll replace the existing one
data = [d for d in data if d.name != new_subvolume.name]
data += [new_subvolume]
elif entry is not None:
if action == self._actions[1]: # edit subvolume
new_subvolume = self._add_subvolume(entry)
if new_subvolume is not None:
# we'll remove the original subvolume and add the modified version
data = [d for d in data if d.name != entry.name and d.name != new_subvolume.name]
data += [new_subvolume]
elif action == self._actions[2]: # delete
data = [d for d in data if d != entry]
return data