Refactored cpl-query Iterable & Enumerable #129

src/cpl_query/base/ordered_queryable.py

@@ -0,0 +1,34 @@
+from collections.abc import Callable
+
+from cpl_query.base.ordered_queryable_abc import OrderedQueryableABC
+from cpl_query.exceptions import ArgumentNoneException, ExceptionArgument
+from cpl_query.iterable.iterable import Iterable
+
+
+class OrderedQueryable(OrderedQueryableABC):
+    r"""Implementation of :class: `cpl_query.extension.Iterable` `cpl_query.extension.OrderedIterableABC`
+    """
+
+    def __init__(self, _t: type, _values: Iterable = None, _func: Callable = None):
+        OrderedQueryableABC.__init__(self, _t, _values, _func)
+
+    def then_by(self: OrderedQueryableABC, _func: Callable) -> OrderedQueryableABC:
+        if self is None:
+            raise ArgumentNoneException(ExceptionArgument.list)
+
+        if _func is None:
+            raise ArgumentNoneException(ExceptionArgument.func)
+
+        self._funcs.append(_func)
+
+        return OrderedQueryable(self.type, sorted(self, key=lambda *args: [f(*args) for f in self._funcs]), _func)
+
+    def then_by_descending(self: OrderedQueryableABC, _func: Callable) -> OrderedQueryableABC:
+        if self is None:
+            raise ArgumentNoneException(ExceptionArgument.list)
+
+        if _func is None:
+            raise ArgumentNoneException(ExceptionArgument.func)
+
+        self._funcs.append(_func)
+        return OrderedQueryable(self.type, sorted(self, key=lambda *args: [f(*args) for f in self._funcs], reverse=True), _func)