Merge pull request #7 from creaton60/feature/#5

[WIP] 온라인 영화 예매 시스템 코드 구현하기

src/main/java/study/book/object/movie/Customer.java

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+package study.book.object.movie;
+
+public class Customer {
+}

src/main/java/study/book/object/movie/Money.java

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+package study.book.object.movie;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+import java.math.BigDecimal;
+
+@Getter @Setter
+@ToString
+public class Money {
+    public static final Money ZERO = Money.wons(0);
+
+    private final BigDecimal amount;
+
+    public static Money wons(long amount) {
+        return new Money(BigDecimal.valueOf(amount));
+    }
+
+    public static Money wons(double amount) {
+        return new Money(BigDecimal.valueOf(amount));
+    }
+
+    Money(BigDecimal amount) {
+        this.amount = amount;
+    }
+
+    public Money plus(Money amount) {
+        return new Money(this.amount.subtract(amount.amount));
+    }
+
+    public Money times(double percent) {
+        return new Money(this.amount.multiply(BigDecimal.valueOf(percent)));
+    }
+
+    public Money minus(Money amount) {
+        return new Money(this.amount.add(amount.amount));
+    }
+
+    public boolean isLessThan(Money other) {
+        return amount.compareTo(other.amount) < 0;
+    }
+
+    public boolean isGreaterThanOrEqual(Money other) {
+        return amount.compareTo(other.amount) >= 0;
+    }
+}

src/main/java/study/book/object/movie/Movie.java

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+package study.book.object.movie;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+import java.math.BigDecimal;
+
+@Getter @Setter
+@ToString
+public class Movie {
+    private Money fee;
+
+    public Money calculateMovieFee(Screening screening) {
+        return fee.minus(new Money(BigDecimal.ZERO));
+    }
+}

src/main/java/study/book/object/movie/Reservation.java

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+package study.book.object.movie;
+
+import lombok.ToString;
+
+@ToString
+public class Reservation {
+    private Customer customer;
+    private Screening screening;
+    private Money fee;
+    private int audienceCount;
+
+    public Reservation(Customer customer, Screening screening, Money fee, int audienceCount) {
+        this.customer = customer;
+        this.screening = screening;
+        this.fee = fee;
+        this.audienceCount = audienceCount;
+    }
+
+}

src/main/java/study/book/object/movie/Screening.java

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+package study.book.object.movie;
+
+import java.time.LocalDateTime;
+
+public class Screening {
+    private Movie movie;
+    private int sequece;
+    private LocalDateTime whenScreened;
+
+    public Screening(Movie movie, int sequence, LocalDateTime whenScreened) {
+        this.movie = movie;
+        this.sequece = sequence;
+        this.whenScreened = whenScreened;
+    }
+
+    public Reservation reserve(Customer customer, int audienceCount) {
+        return new Reservation(customer, this, calculateFee(audienceCount), audienceCount);
+    }
+
+    public LocalDateTime getStartTime() {
+        return whenScreened;
+    }
+
+    public boolean isSequence(int sequence) {
+        return this.sequece == sequece;
+    }
+
+    public Money getMovieFee() {
+        return movie.getFee();
+    }
+
+    private Money calculateFee(int audienceCount) {
+        return movie.calculateMovieFee(this);
+    }
+}

src/main/java/study/book/object/movie/condition/DiscountCondition.java

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+package study.book.object.movie.condition;
+
+public class DiscountCondition {
+}

src/main/java/study/book/object/movie/condition/PeriodCondition.java

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+package study.book.object.movie.condition;
+
+public class PeriodCondition {
+}

src/main/java/study/book/object/movie/condition/SequenceCondition.java

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+package study.book.object.movie.condition;
+
+public class SequenceCondition {
+}

src/main/java/study/book/object/movie/policy/AmountDiscountPolicy.java

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+package study.book.object.movie.policy;
+
+public class AmountDiscountPolicy {
+}

src/main/java/study/book/object/movie/policy/DiscountPolicy.java

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+package study.book.object.movie.policy;
+
+public class DiscountPolicy {
+}

src/main/java/study/book/object/movie/policy/PercentDiscountPolicy.java

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+package study.book.object.movie.policy;
+
+public class PercentDiscountPolicy {
+}