Task4

.vscode/easycode.ignore

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+node_modules/
+dist/
+vendor/
+cache/
+.*/
+*.min.*
+*.test.*
+*.spec.*
+*.bundle.*
+*.bundle-min.*
+*.*.js
+*.*.ts
+*.log

car_Factory.py

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+#importing necessary libraries
+from car_Module import Serviceable, Car
+from car_Module.components.battery import Battery, NubbinBattery, SpindlerBattery
+from car_Module.components.engine import Engine, CapuletEngine, SternmanEngine, WilloughbyEngine
+from car_Module.components.tire import Tire, CarriganTire, OctoprimeTire
+from typing import List
+from datetime import date
+
+
+#CarFactory class to create all available models 
+class CarFactory:
+    #create_calliope method
+    #calliope uses Capulet engine
+    #calliope uses Spindler battery
+    def create_calliope(current_date:date, last_service_date: date, current_mileage:int, last_service_mileage:int, tire_wear:List[float]) -> Car:
+        calliope_engine = CapuletEngine(current_mileage=current_mileage,last_service_mileage=last_service_mileage)
+        calliope_battery = SpindlerBattery(current_date=current_date,last_service_date=last_service_date)
+        tire = CarriganTire(tire_wear=tire_wear)
+        return Car(engine=calliope_engine,battery=calliope_battery,tire=tire)
+
+    #create_glissade method
+    #calliope uses Willoughby engine
+    #calliope uses Spindler battery
+    def create_glissade(current_date:date, last_service_date: date, current_mileage:int, last_service_mileage:int, tire_wear:List[float]) -> Car:
+        glissade_engine = WilloughbyEngine(current_mileage=current_mileage,last_service_mileage=last_service_mileage)
+        glissade_battery = SpindlerBattery(current_date=current_date,last_service_date=last_service_date)
+        tire = CarriganTire(tire_wear=tire_wear)
+        return Car(engine=glissade_engine,battery=glissade_battery,tire=tire)
+
+    #create_palindrome method
+    #calliope uses Sternman Engine
+    #calliope uses Spindler battery
+    def create_palindrome(current_date:date, last_service_date: date, warning_light_on:bool, tire_wear:List[float]) -> Car :
+        palindrome_engine = SternmanEngine(warning_light_is_on=warning_light_on)
+        palindrome_battery = SpindlerBattery(current_date=current_date,last_service_date=last_service_date)
+        tire = OctoprimeTire(tire_wear=tire_wear)
+        return Car(engine=palindrome_engine,battery=palindrome_battery,tire=tire)
+
+    #create_rorschach method
+    #calliope uses Willoughby engine
+    #calliope uses Nubbin battery
+    def create_rorschach(current_date:date, last_service_date: date, current_mileage:int, last_service_mileage:int, tire_wear:List[float]) -> Car :
+        rorschach_engine = WilloughbyEngine(current_mileage=current_mileage,last_service_mileage=last_service_mileage)
+        rorschach_battery = NubbinBattery(current_date=current_date,last_service_date=last_service_date)
+        tire = CarriganTire(tire_wear=tire_wear)
+        return Car(engine=rorschach_engine,battery=rorschach_battery,tire=tire)
+
+    #create_thovex method
+    #calliope uses Capulet engine
+    #calliope uses Nubbin battery
+    def create_thovex(current_date:date, last_service_date: date, current_mileage:int, last_service_mileage:int, tire_wear:List[float]) -> Car :
+        thovex_engine = CapuletEngine(current_mileage=current_mileage,last_service_mileage=last_service_mileage)
+        thovex_battery = NubbinBattery(current_date=current_date,last_service_date=last_service_date)
+        tire = OctoprimeTire(tire_wear=tire_wear)
+        return Car(engine=thovex_engine,battery=thovex_battery)
+

car_Module/__init__.py

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+#import necessary libraries
+from .serviceable_Interface import Serviceable
+from .car import Car

car_Module/car.py

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+#import necessary libraries
+from .serviceable_Interface import Serviceable
+from .components.battery.battery_Interface import Battery
+from .components.engine.engine_Interface import Engine
+
+#Car class object with engine/battery and service status 
+class Car(Serviceable):
+    def __init__(self, engine:Engine, battery: Battery):
+        self.engine = engine
+        self.battery = battery
+
+    def needs_service(self) -> bool:
+        return self.engine.needs_service() or self.battery.needs_service()

car_Module/components/battery/__init__.py

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+from .nubbin_Battery import NubbinBattery
+from .spindler_Battery import SpindlerBattery
+from .battery_Interface import Battery

car_Module/components/battery/battery_Interface.py

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+from abc import ABC, abstractmethod
+
+class Battery(ABC):
+    @abstractmethod
+    def needs_service() -> bool:
+        pass

car_Module/components/battery/nubbin_Battery.py

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+from .battery_Interface import Battery
+from datetime import date
+
+#Nubbin battery class
+class NubbinBattery(Battery):
+    def __init__(self, current_date :date, last_service_date:date ):
+        self.current_date = current_date
+        self.last_service_date = last_service_date
+
+    def needs_service(self) ->bool:
+        years = (self.current_date - self.last_service_date).days / 365.0
+        return years > 4 

car_Module/components/battery/spindler_Battery.py

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+from .battery_Interface import Battery
+from datetime import date
+
+#Spindler battery class
+class SpindlerBattery(Battery):
+    def __init__(self, current_date :date, last_service_date:date ):
+        self.current_date = current_date
+        self.last_service_date = last_service_date
+
+    def needs_service(self) -> bool:
+        years = (self.current_date - self.last_service_date).days / 365.0
+        return years > 3

car_Module/components/engine/__init__.py

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+from .engine_Interface import Engine
+from .capulet_Engine import CapuletEngine
+from .sternman_Engine import SternmanEngine
+from .willoughby_Engine import WilloughbyEngine

car_Module/components/engine/capulet_Engine.py

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+from .engine_Interface import Engine
+
+
+class CapuletEngine(Engine):
+    def __init__(self, current_mileage :int, last_service_mileage:int ):
+        self.current_mileage = current_mileage
+        self.last_service_mileage = last_service_mileage
+
+    def needs_service(self) ->bool:
+        return self.current_mileage - self.last_service_mileage > 30000

car_Module/components/engine/engine_Interface.py

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+from abc import ABC, abstractmethod
+
+class Engine(ABC):
+    @abstractmethod
+    def needs_service() -> bool:
+        pass

car_Module/components/engine/sternman_Engine.py

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+from .engine_Interface import Engine
+
+
+class SternmanEngine(Engine):
+    def __init__(self, warning_light_is_on :bool):
+        self.warning_light_is_on = warning_light_is_on
+
+    def needs_service(self) ->bool:
+        return self.warning_light_is_on

car_Module/components/engine/willoughby_Engine.py

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+from .engine_Interface import Engine
+
+
+class WilloughbyEngine(Engine):
+    def __init__(self, current_mileage :int, last_service_mileage:int ):
+        self.current_mileage = current_mileage
+        self.last_service_mileage = last_service_mileage
+
+    def needs_service(self) ->bool:
+        return self.current_mileage - self.last_service_mileage > 60000

car_Module/components/tire/__init__.py

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+from .tire_Interface import Tire
+from .carrigan_Tire import CarriganTire
+from .octoprime_Tire import OctoprimeTire 

car_Module/components/tire/carrigan_Tire.py

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+from car_Module.components.tire.tire_Interface import Tire
+from typing import List
+
+class CarriganTire(Tire):
+    def __init__(self, tire_wear :List[float]):
+        self.tire_wear = tire_wear
+
+    def needs_service(self) ->bool:
+        for value in self.tire_wear :
+            if value >= 0.9:
+                return True
+        return False

car_Module/components/tire/octoprime_Tire.py

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+from car_Module.components.tire.tire_Interface import Tire
+from typing import List
+
+class OctoprimeTire(Tire):
+    def __init__(self, tire_wear :List[float]):
+        self.tire_wear = tire_wear
+
+    def needs_service(self) ->bool:
+        return sum(self.tire_wear) >= 3

car_Module/components/tire/tire_Interface.py

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+from abc import ABC, abstractmethod
+from typing import List
+
+
+class Tire(ABC):
+    @abstractmethod
+    def needs_service() -> bool:
+        pass

car_Module/serviceable_Interface.py

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+#import necessary libraries
+from abc import ABC, abstractmethod
+
+#Serviceable abstraction method
+class Serviceable(ABC):
+    @abstractmethod
+    def needs_service() -> bool:
+        pass

test/test_Battery/test_NubbinBattery.py

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+import unittest
+from car_Module.components.battery import NubbinBattery
+from datetime import date
+
+class TestNubbinBattery(unittest.TestCase):
+    def test_needs_service_true_case(self):
+        current_date = date.today()
+        last_service_date = current_date.replace(year=current_date.year-5)
+        nubbin = NubbinBattery(current_date,last_service_date)
+        self.assertTrue(nubbin.needs_service())
+
+    def test_needs_service_false_case(self):
+        current_date = date.today()
+        last_service_date = current_date.replace(year=current_date.year-1)
+        nubbin = NubbinBattery(current_date,last_service_date)
+        self.assertFalse(nubbin.needs_service())

test/test_Battery/test_SpindlerBattery.py

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+import unittest
+from car_Module.components.battery import SpindlerBattery
+from datetime import date
+
+class TestSpindlerBattery(unittest.TestCase):
+    def test_check_needs_service_true_case(self):
+        current_date = date.today()
+        last_service_date = current_date.replace(year=current_date.year-4)
+        nubbin = SpindlerBattery(current_date,last_service_date)
+        self.assertTrue(nubbin.needs_service())
+
+    def test_check_needs_service_false_case(self):
+        current_date = date.today()
+        last_service_date = current_date.replace(year=current_date.year-1)
+        nubbin = SpindlerBattery(current_date,last_service_date)
+        self.assertFalse(nubbin.needs_service())