Develop

app/main.py

@@ -1,25 +1,87 @@
+from __future__ import annotations
 from abc import ABC
 
 
 class IntegerRange:
-    pass
+    def __init__(
+            self,
+            min_amount: int,
+            max_amount: int
+    ) -> None:
+        self.max_amount = max_amount
+        self.min_amount = min_amount
+
+    def __set_name__(self, owner: object, name: str) -> None:
+        self.protected_attr = "_" + name
+
+    def __set__(self, instance: object, value: int) -> None:
+        if not (self.max_amount >= value >= self.min_amount):
+            raise ValueError(
+                f""
+                f"Quantity should not be less than {self.max_amount} "
+                f"and greater than {self.min_amount}"
+            )
+        if not isinstance(value, int):
+            raise TypeError("Value should be integer.")
+        setattr(instance, self.protected_attr, value)
+
+    def __get__(self, instance: object, owner: object) -> int:
+        return getattr(instance, self.protected_attr)
 
 
 class Visitor:
-   pass
+    def __init__(
+            self,
+            name: int,
+            age: int,
+            weight: int,
+            height: int
+    ) -> None:
+        self.name = name
+        self.age = age
+        self.weight = weight
+        self.height = height
 
 
 class SlideLimitationValidator(ABC):
-    pass
+    def __init__(
+            self,
+            age: int,
+            weight: int,
+            height: int
+    ) -> None:
+        self.age = age
+        self.weight = weight
+        self.height = height
 
 
 class ChildrenSlideLimitationValidator(SlideLimitationValidator):
-    pass
+    age = IntegerRange(4, 14)
+    height = IntegerRange(80, 120)
+    weight = IntegerRange(20, 50)
 
 
 class AdultSlideLimitationValidator(SlideLimitationValidator):
-    pass
+    age = IntegerRange(14, 60)
+    height = IntegerRange(120, 220)
+    weight = IntegerRange(50, 120)
 
 
 class Slide:
-    pass
+    def __init__(
+            self, name: str,
+            limitation_class: SlideLimitationValidator
+    ) -> None:
+        self.name = name
+        self.limitation_class = limitation_class
+
+    def can_access(self, visitor: Visitor) -> bool:
+        try:
+            self.limitation_class(
+                visitor.age,
+                visitor.weight,
+                visitor.height
+            )
+        except (ValueError, TypeError):
+            return False
+        return True