실습 대상인 10장 코드를 가져오라

johngrib · johngrib · Apr 12, 2020 · Apr 8, 2020 · Apr 9, 2020 · Apr 8, 2020
commit 61bd8d5316128e1e48ab20517859b7a8a9eaddab
diff --git a/src/main/java/com/johngrib/objects/_11_call/Call.java b/src/main/java/com/johngrib/objects/_11_call/Call.java
@@ -0,0 +1,24 @@
+package com.johngrib.objects._11_call;
+
+import lombok.Getter;
+
+import java.time.Duration;
+import java.time.LocalDateTime;
+
+/**
+ * 개별 통화 시간.
+ */
+public class Call {
+  @Getter
+  private LocalDateTime from;
+  private LocalDateTime to;
+
+  public Call(LocalDateTime from, LocalDateTime to) {
+    this.from = from;
+    this.to = to;
+  }
+
+  public Duration getDuration() {
+    return Duration.between(from, to);
+  }
+}
diff --git a/src/main/java/com/johngrib/objects/_11_call/NightlyDiscountPhone.java b/src/main/java/com/johngrib/objects/_11_call/NightlyDiscountPhone.java
@@ -0,0 +1,38 @@
+package com.johngrib.objects._11_call;
+
+import com.johngrib.objects._02_movie.Money;
+
+import java.time.Duration;
+
+/**
+ * 심야 할인 요금제.
+ */
+public class NightlyDiscountPhone extends Phone {
+  private static final int LATE_NIGHT_HOUR = 22;
+
+  private Money nightlyAmount;
+  private Money regularAmount;
+  private Duration seconds;
+
+  public NightlyDiscountPhone(Money nightlyAmount, Money regularAmount, Duration seconds) {
+    super(0);
+    this.nightlyAmount = nightlyAmount;
+    this.regularAmount = regularAmount;
+    this.seconds = seconds;
+  }
+
+  public NightlyDiscountPhone(Money nightlyAmount, Money regularAmount, Duration seconds, double taxRate) {
+    super(taxRate);
+    this.nightlyAmount = nightlyAmount;
+    this.regularAmount = regularAmount;
+    this.seconds = seconds;
+  }
+
+  @Override
+  protected Money calculateCallFee(Call call) {
+    if (call.getFrom().getHour() >= LATE_NIGHT_HOUR) {
+      return nightlyAmount.times(call.getDuration().getSeconds() / seconds.getSeconds());
+    }
+    return regularAmount.times(call.getDuration().getSeconds() / seconds.getSeconds());
+  }
+}
diff --git a/src/main/java/com/johngrib/objects/_11_call/Phone.java b/src/main/java/com/johngrib/objects/_11_call/Phone.java
@@ -0,0 +1,30 @@
+package com.johngrib.objects._11_call;
+
+import com.johngrib.objects._02_movie.Money;
+import lombok.Getter;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class Phone {
+
+  private double taxRate;
+  /** 전체 통화 목록 */
+  @Getter
+  private List<Call> calls = new ArrayList<>();
+
+  public Phone(double taxRate) {
+    this.taxRate = taxRate;
+  }
+
+  public Money calculateFee() {
+    Money result = Money.ZERO;
+
+    for (Call call : calls) {
+      result = result.plus(calculateCallFee(call));
+    }
+    return result.plus(result.times(taxRate));
+  }
+
+  abstract protected Money calculateCallFee(Call call);
+}
diff --git a/src/main/java/com/johngrib/objects/_11_call/RegularPhone.java b/src/main/java/com/johngrib/objects/_11_call/RegularPhone.java
@@ -0,0 +1,34 @@
+package com.johngrib.objects._11_call;
+
+import com.johngrib.objects._02_movie.Money;
+import lombok.Getter;
+
+import java.time.Duration;
+
+/**
+ * 일반 요금제.
+ */
+public class RegularPhone extends Phone {
+  /** 단위 요금. */
+  @Getter
+  private Money amount;
+  @Getter
+  private Duration seconds;
+
+  public RegularPhone(Money amount, Duration seconds) {
+    super(0);
+    this.amount = amount;
+    this.seconds = seconds;
+  }
+
+  public RegularPhone(Money amount, Duration seconds, double taxRate) {
+    super(taxRate);
+    this.amount = amount;
+    this.seconds = seconds;
+  }
+
+  @Override
+  protected Money calculateCallFee(Call call) {
+    return amount.times(call.getDuration().getSeconds() / seconds.getSeconds());
+  }
+}