NOJIRA restructed into separate model files

models/dto.py

@@ -0,0 +1,34 @@
+from typing import List, Dict
+
+from models.item import Item
+from models.order import Order
+
+
+class DTO:
+    def __init__(self):
+        self.__applicants: List[str] = []
+        self.__items: Dict[str, int] = {}
+        self.__orders: List[Order] = []
+
+    def add(self, applicant_name: str, item_names: List[str]):
+        self.__applicants.append(applicant_name)
+
+        for item_name in item_names:
+            if item_name not in self.__items:
+                self.__items[item_name] = 0
+            self.__items[item_name] += 1
+
+        order = Order(applicant_name, item_names)
+        self.__orders.append(order)
+
+    @property
+    def items(self) -> List[Item]:
+        return sorted([Item(name, amount) for name, amount in self.__items.items()])
+
+    @property
+    def applicants(self) -> List[str]:
+        return sorted(self.__applicants)
+
+    @property
+    def orders(self) -> List[Order]:
+        return sorted(self.__orders)