#27 - Python

Author: cesarleroy

Roadmap/27 - SOLID OCP/python/CesarCarmona30.py

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+from abc import ABC, abstractmethod
+import math
+'''
+  EJERCICIO
+'''
+# Incorrecto 
+
+class Circle:
+  
+  def __init__(self, radius):
+    self.radius = radius
+
+class Rectangle:
+
+  def __init__(self, height, width):
+    self.height = height
+    self.width = width
+
+class Square:
+
+  def __init__(self, side):
+    self.side = side
+
+class AreaCalculator:
+  def calculate_area(self, shape):
+    if isinstance(shape, Circle):
+      return math.pi * shape.radius ** 2
+    elif isinstance(shape, Rectangle):
+      return shape.height * shape.width
+
+# Correcto
+
+class Shape(ABC):
+  @abstractmethod
+  def area(self):
+    pass
+
+class Circle(Shape):
+  def __init__(self, radius):
+    self.radius = radius
+
+  def area(self):
+    return math.pi * self.radius ** 2
+  
+class Rectangle(Shape):
+  def __init__(self, height, width):
+    self.height = height
+    self.width = width
+
+  def area(self):
+    return self.height * self.width
+  
+class Square(Shape):
+  def __init__(self, side):
+    self.side = side
+
+  def area(self):
+    return self.side ** 2;
+
+class AreaCalculator:
+  def calculateArea(self, shape):
+    return shape.area()
+  
+
+circle = Circle(7)
+rectangle = Rectangle(4, 8)
+square = Square(13)
+
+calculator = AreaCalculator()
+
+print(f"Área del círculo: {calculator.calculateArea(circle)}")
+print(f"Área del rectangulo: {calculator.calculateArea(rectangle)}")
+print(f"Área del cuadrado: {calculator.calculateArea(square)}")
+
+
+'''
+  EXTRA
+'''
+
+class Operation(ABC):
+  def __init__(self, value_a, value_b):
+    self.value_a = value_a
+    self.value_b = value_b
+
+  @abstractmethod
+  def result(self):
+    pass
+
+class Add(Operation):
+  def result(self):
+    return self.value_a + self.value_b
+
+class Subtract(Operation):
+  def result(self):
+    return self.value_a - self.value_b
+  
+class Multiply(Operation):
+  def result(self):
+    return self.value_a * self.value_b
+  
+class Divide(Operation):
+  def result(self):
+    return self.value_a / self.value_b
+  
+class Calculator:
+  def operation(self, operation: Operation):
+    return operation.result()
+  
+add = Add(5, 8)
+sub = Subtract(5, 8)
+mult = Multiply(5, 8)
+divd = Divide(5, 8)
+
+calculator = Calculator()
+
+print(f"La suma, 5 + 8 es: {calculator.operation(add)}")
+print(f"La resta, 5 - 8 es: {calculator.operation(sub)}")
+print(f"La multiplicación, 5 * 8 es: {calculator.operation(mult)}")
+print(f"La división, 5 / 8 es: {calculator.operation(divd)}")
+
+class Exponentiation(Operation):
+  def result(self):
+    return self.value_a ** self.value_b
+
+exp = Exponentiation(5, 8)
+print(f"La potencia, 5 ^ 8 es: {calculator.operation(exp)}")