README.me

@@ -1,4 +1,3 @@
 Codewars
 Aufgabe 1 Snail: https://www.codewars.com/kata/521c2db8ddc89b9b7a0000c1
 Aufgabe 2 Vigenère Cipher Helper: https://www.codewars.com/kata/52d1bd3694d26f8d6e0000d3
-Aufgabe 3 PaginationHelper: https://www.codewars.com/kata/515bb423de843ea99400000a

src/codewars/pagination_helper.py

@@ -1,42 +0,0 @@
-import math
-
-
-class PaginationHelper:
-
-    # The constructor takes in an array of items and an integer indicating
-    # how many items fit within a single page
-    def __init__(self, collection, items_per_page):
-        self.collection = collection
-        self.items_per_page = items_per_page
-
-    # returns the number of items within the entire collection
-    def item_count(self):
-        return len(self.collection)
-
-    # returns the number of pages
-    def page_count(self):
-        item_count = self.item_count()
-        return math.ceil(item_count / self.items_per_page)
-
-    # returns the number of items on the given page. page_index is zero based
-    # this method should return -1 for page_index values that are out of range
-    def page_item_count(self, page_index):
-        number_of_pages = self.page_count()
-        if page_index > number_of_pages - 1 or page_index < 0:
-            return -1
-
-        item_count = self.item_count()
-        page_count_without_round_up = item_count / self.items_per_page
-
-        if page_count_without_round_up - page_index > 1:
-            return self.items_per_page
-        else:
-            return item_count - page_index * self.items_per_page
-
-    # determines what page an item at the given index is on. Zero based indexes.
-    # this method should return -1 for item_index values that are out of range
-    def page_index(self, item_index):
-        if item_index < 0 or item_index >= self.item_count():
-            return -1
-
-        return item_index // self.items_per_page