Update facade pattern examples

Author: nemanjarogic

src/StructuralPatterns/Facade/FacadeLibrary/MortgageExample/Facade/Mortgage.cs

@@ -19,7 +19,7 @@ public Mortgage()
 
     public bool IsEligible(string customerName, decimal loanAmount)
     {
-        Console.WriteLine($"Customer {customerName} wants to apply for {loanAmount:C} loan.\n");
+        Console.WriteLine($"The customer {customerName} wants to apply for {loanAmount:C} loan.\n");
 
         var customer = _customerService.Find(customerName);
 
@@ -40,4 +40,4 @@ public bool IsEligible(string customerName, decimal loanAmount)
 
         return true;
     }
-}
+}

src/StructuralPatterns/Facade/FacadeLibrary/MortgageExample/MortgageExecutor.cs

@@ -10,12 +10,12 @@ public static void Execute()
         ConsoleExtension.WriteSeparator("Mortgage example");
 
         var mortgage = new Mortgage();
-        var customerName = "Mario Balotelli";
+        const string customerName = "Mario Balotelli";
 
         // Evaluate mortgage eligibility for the customer.
-        bool isEligible = mortgage.IsEligible(customerName, 125000);
+        var isEligible = mortgage.IsEligible(customerName, 125000);
 
         var status = isEligible ? "approved" : "rejected";
         Console.WriteLine($"Mortgage for {customerName} has been {status}.");
     }
-}
+}

src/StructuralPatterns/Facade/FacadeLibrary/MortgageExample/Subsystem/Bank.cs

@@ -4,8 +4,8 @@ public class Bank
 {
     public bool IsUntrustworthy(Customer customer, decimal loanAmount)
     {
-        Console.WriteLine($"Check creditworthyness for customer: {customer.Name}");
+        Console.WriteLine($"Check credit-worthiness for the customer: {customer.Name}");
 
         return false;
     }
-}
+}

src/StructuralPatterns/Facade/FacadeLibrary/MortgageExample/Subsystem/Credit.cs

@@ -4,8 +4,8 @@ public class Credit
 {
     public bool HasBadCredit(Customer customer)
     {
-        Console.WriteLine($"Check credit for customer: {customer.Name}");
+        Console.WriteLine($"Check credit for the customer: {customer.Name}");
 
         return false;
     }
-}
+}

src/StructuralPatterns/Facade/FacadeLibrary/MortgageExample/Subsystem/Customer.cs

@@ -2,5 +2,5 @@
 
 public class Customer
 {
-    public string Name { get; set; }
-}
+    public string Name { get; set; } = string.Empty;
+}

src/StructuralPatterns/Facade/FacadeLibrary/MortgageExample/Subsystem/CustomerService.cs

@@ -2,11 +2,9 @@
 
 public class CustomerService
 {
-    public Customer Find(string name)
-    {
-        // Naive implementation.
-        // In real life scenario we would need some customer registry.
-        // There may be multiple customers with the same name.
-        return new Customer { Name = name };
-    }
-}
+    // Naive implementation.
+    // In a real life scenario we would need some customer registry.
+    // There may be multiple customers with the same name.
+    public Customer Find(string name) =>
+        new() { Name = name };
+}

src/StructuralPatterns/Facade/FacadeLibrary/MortgageExample/Subsystem/Loan.cs

@@ -4,8 +4,8 @@ public class Loan
 {
     public bool HasBadLoans(Customer customer)
     {
-        Console.WriteLine($"Check loans for customer: {customer.Name}");
+        Console.WriteLine($"Check loans for the customer: {customer.Name}");
 
         return false;
     }
-}
+}

src/StructuralPatterns/Facade/FacadeLibrary/WeatherServiceExample/After/AfterExecutor.cs

@@ -1,4 +1,5 @@
-using BuildingBlocks;
+using System.Globalization;
+using BuildingBlocks;
 using FacadeLibrary.WeatherServiceExample.After.TemperatureFacade;
 
 namespace FacadeLibrary.WeatherServiceExample.After;
@@ -9,16 +10,15 @@ public static void Execute()
     {
         ConsoleExtension.WriteSeparator("Weather service example - after");
 
-        var zipCode = "83714";
+        const string zipCode = "83714";
         var temperatureService = new TemperatureLookupService();
-
         var localTemperature = temperatureService.GetTemperature(zipCode);
 
         Console.WriteLine(
             "The current temperature is {0}F/{1}C in {2}, {3}",
-            localTemperature.Fahrenheit.ToString("F1"),
-            localTemperature.Celsius.ToString("F1"),
+            localTemperature.Fahrenheit.ToString("F1", CultureInfo.InvariantCulture),
+            localTemperature.Celsius.ToString("F1", CultureInfo.InvariantCulture),
             localTemperature.City,
             localTemperature.State);
     }
-}
+}

src/StructuralPatterns/Facade/FacadeLibrary/WeatherServiceExample/After/TemperatureFacade/LocalTemperature.cs

@@ -3,10 +3,7 @@
 public class LocalTemperature
 {
     public double Celsius { get; set; }
-
     public double Fahrenheit { get; set; }
-
-    public string City { get; set; }
-
-    public string State { get; set; }
-}
+    public string City { get; set; } = string.Empty;
+    public string State { get; set; } = string.Empty;
+}

src/StructuralPatterns/Facade/FacadeLibrary/WeatherServiceExample/After/TemperatureFacade/TemperatureLookupService.cs

@@ -32,12 +32,12 @@ public LocalTemperature GetTemperature(string zipCode)
         var fahrenheitDegrees = _weatherService.GetTemperatureFahrenheit(coords.Latitude, coords.Longitude);
         var celsiusDegrees = _temperatureConverter.ConvertFahrenheitToCelsius(fahrenheitDegrees);
 
-        return new LocalTemperature()
+        return new LocalTemperature
         {
             Fahrenheit = fahrenheitDegrees,
             Celsius = celsiusDegrees,
             City = city,
             State = state,
         };
     }
-}
+}