From 2294ce535143585163ecc3226a99807426649918 Mon Sep 17 00:00:00 2001
From: Feror <contact@feror.fr>
Date: Thu, 23 Jan 2025 12:13:56 +0100
Subject: [PATCH] Utilisation du design pattern strategy

---
 .../FeeCalculationStartegyForChildren.java     | 13 +++++++++++++
 .../org/example/FeeCalculationStrategy.java    |  5 +++++
 .../FeeCalculationStrategyForAdults.java       | 13 +++++++++++++
 .../main/java/org/example/FeeCalculator.java   | 18 +-----------------
 .../src/main/java/org/example/Visitor.java     | 10 ++++++++++
 5 files changed, 42 insertions(+), 17 deletions(-)
 create mode 100644 feeCalculator/src/main/java/org/example/FeeCalculationStartegyForChildren.java
 create mode 100644 feeCalculator/src/main/java/org/example/FeeCalculationStrategy.java
 create mode 100644 feeCalculator/src/main/java/org/example/FeeCalculationStrategyForAdults.java

diff --git a/feeCalculator/src/main/java/org/example/FeeCalculationStartegyForChildren.java b/feeCalculator/src/main/java/org/example/FeeCalculationStartegyForChildren.java
new file mode 100644
index 0000000..47681e0
--- /dev/null
+++ b/feeCalculator/src/main/java/org/example/FeeCalculationStartegyForChildren.java
@@ -0,0 +1,13 @@
+package org.example;
+
+public class FeeCalculationStartegyForChildren implements FeeCalculationStrategy {
+    private static final double CHILD_PRICE_BASE = 100;
+    public double calculateFee(TicketType ticketType) {
+        if (TicketType.HALF_DAY == ticketType) {
+            return CHILD_PRICE_BASE * 0.2;
+        } else if (TicketType.FULL_DAY == ticketType) {
+            return CHILD_PRICE_BASE * 0.5;
+        }
+        return 0;
+    }
+}
diff --git a/feeCalculator/src/main/java/org/example/FeeCalculationStrategy.java b/feeCalculator/src/main/java/org/example/FeeCalculationStrategy.java
new file mode 100644
index 0000000..b73c403
--- /dev/null
+++ b/feeCalculator/src/main/java/org/example/FeeCalculationStrategy.java
@@ -0,0 +1,5 @@
+package org.example;
+
+public interface FeeCalculationStrategy {
+    public double calculateFee(TicketType ticketType);
+}
diff --git a/feeCalculator/src/main/java/org/example/FeeCalculationStrategyForAdults.java b/feeCalculator/src/main/java/org/example/FeeCalculationStrategyForAdults.java
new file mode 100644
index 0000000..02ae9b5
--- /dev/null
+++ b/feeCalculator/src/main/java/org/example/FeeCalculationStrategyForAdults.java
@@ -0,0 +1,13 @@
+package org.example;
+
+public class FeeCalculationStrategyForAdults implements FeeCalculationStrategy {
+    private static final double ADULT_PRICE_BASE = 100;
+    public double calculateFee(TicketType ticketType) {
+        if (TicketType.HALF_DAY == ticketType) {
+            return ADULT_PRICE_BASE * 0.6;
+        } else if (TicketType.FULL_DAY == ticketType) {
+            return ADULT_PRICE_BASE * 1.2;
+        }
+        return 0;
+    }
+}
diff --git a/feeCalculator/src/main/java/org/example/FeeCalculator.java b/feeCalculator/src/main/java/org/example/FeeCalculator.java
index 61b9e23..f7ecd2c 100644
--- a/feeCalculator/src/main/java/org/example/FeeCalculator.java
+++ b/feeCalculator/src/main/java/org/example/FeeCalculator.java
@@ -1,25 +1,9 @@
 package org.example;
 
 public class FeeCalculator {
-    private static final double CHILD_PRICE_BASE = 100;
-    private static final double ADULT_PRICE_BASE = 100;
 
     public static double calculateFee(Visitor visitor, TicketType ticketType) {
-        double fee = 0;
-
-        // calculate price for adults
-        if ((visitor.age > 14) && (TicketType.HALF_DAY == ticketType)) {
-            fee = ADULT_PRICE_BASE * 0.6;
-        } else if ((visitor.age > 14) && (TicketType.FULL_DAY == ticketType)) {
-            fee = ADULT_PRICE_BASE * 1.2;
-        }
-
-        // calculate price for children
-        if ((visitor.age <= 14) && (TicketType.HALF_DAY == ticketType)) {
-            fee = CHILD_PRICE_BASE * 0.2;
-        } else if ((visitor.age <= 14) && (TicketType.FULL_DAY == ticketType)) {
-            fee = CHILD_PRICE_BASE * 0.5;
-        }
+        double fee = visitor.calculateFee(ticketType);
         return fee;
     }
 }
diff --git a/feeCalculator/src/main/java/org/example/Visitor.java b/feeCalculator/src/main/java/org/example/Visitor.java
index 7193d18..d4a9588 100644
--- a/feeCalculator/src/main/java/org/example/Visitor.java
+++ b/feeCalculator/src/main/java/org/example/Visitor.java
@@ -2,8 +2,18 @@ package org.example;
 
 public class Visitor {
     public int age; // years counter
+    private FeeCalculationStrategy feeCalculationStrategy;
 
     public Visitor (int age) {
+        if (age < 14) {
+            feeCalculationStrategy = new FeeCalculationStartegyForChildren();
+        } else {
+            feeCalculationStrategy = new FeeCalculationStrategyForAdults();
+        }
         this.age = age;
     }
+
+    public double calculateFee(TicketType ticketType) {
+        return feeCalculationStrategy.calculateFee(ticketType);
+    }
 }