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from abc import abstractmethod
from typing import Callable, Any, Iterable
from trashcli.compat import Protocol
from trashcli.restore.args import Sort
from trashcli.restore.trashed_file import TrashedFile
def sort_files(sort, # type: Sort
trashed_files, # type: Iterable[TrashedFile]
): # type: (...) -> Iterable[TrashedFile]
return sorter_for(sort).sort_files(trashed_files)
class Sorter(Protocol):
@abstractmethod
def sort_files(self, trashed_files, # type: Iterable[TrashedFile]
): # type: (...) -> Iterable[TrashedFile]
raise NotImplementedError()
class NoSorter(Sorter):
def sort_files(self, trashed_files, # type: Iterable[TrashedFile]
): # type: (...) -> Iterable[TrashedFile]
return trashed_files
class SortFunction(Sorter):
def __init__(self,
sort_func): # type: (Callable[[TrashedFile], Any]) -> None
self.sort_func = sort_func
def sort_files(self, trashed_files, # type: Iterable[TrashedFile]
): # type: (...) -> Iterable[TrashedFile]
return sorted(trashed_files, key=self.sort_func)
def sorter_for(sort, # type: Sort
): # type (...) -> Sorter
path_ranking = lambda x: x.original_location + str(x.deletion_date)
date_rankking = lambda x: x.deletion_date
return {
Sort.ByPath: SortFunction(path_ranking),
Sort.ByDate: SortFunction(date_rankking),
Sort.DoNot: NoSorter,
}[sort]
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