Merge 4a7fdb0593 into a07e261677

solutions/object_oriented_design/movie_tickets/MovieTickets.java

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+package oopdesign;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+import java.util.HashMap;
+import java.util.HashSet;
+
+/**
+ * Created by jeremyhu on 9/17/22.
+ */
+
+
+// Actors
+    // Class Theater Kiosk
+        // Handles the logic for buying a ticket and updating class theater info
+
+    // Class Theater:
+        // Unique ID
+        // Class Seats:
+        // Two types: handicap, regular
+
+    // Class Movie
+        // Name
+        // date time
+        // Theater ID
+        // Cost: [regular, child, veteran, elderly]
+
+// Workflow:
+    // Buying a ticket and updating theater data
+    // I will assume all the monetary transaction work is done elsewhere
+
+public class MovieTickets {
+    HashMap<Integer, Theater> theaters;
+    private Integer theaterSizeDefault = 70;
+
+    enum TicketTypes {
+        REGULAR, CHILD, VETERAN, ELDER;
+    }
+
+    enum SeatTypes {
+        HANDICAP, REGULAR;
+    }
+
+    class Movie {
+        public String getTitle() {
+            return title;
+        }
+
+        public void setTitle(String title) {
+            this.title = title;
+        }
+
+        private String title;
+
+        public LocalDate getDate() {
+            return date;
+        }
+
+        public void setDate(LocalDate date) {
+            this.date = date;
+        }
+
+        private LocalDate date;
+
+        public BigDecimal getRegularPrice() {
+            return regularPrice;
+        }
+
+        public void setRegularPrice(BigDecimal regularPrice) {
+            this.regularPrice = regularPrice;
+        }
+
+        private BigDecimal regularPrice;
+
+        public Theater getTheater() {
+            return theater;
+        }
+
+        public void setTheater(Theater theater) {
+            this.theater = theater;
+        }
+
+        private Theater theater;
+
+        public Movie(String title, LocalDate date, BigDecimal price, Theater theater) {
+            this.title = title;
+            this.date = date;
+            this.regularPrice = price;
+            this.theater = theater;
+        }
+
+    }
+
+    class Kiosk {
+        public int buyTicket(Movie m, Seat s, TicketTypes tType) {
+            // I assume all the money transaction logic is taken care of somewhere else
+            processTransaction(m, s, tType);
+
+            Theater theater = m.getTheater();
+
+            if(theater.remainingSeats() <= 0) {
+                return -1;
+            }
+
+            theater.takeSeat(s.getId());
+            return s.getId();
+        }
+
+        public void processTransaction(Movie m, Seat s, TicketTypes tType) {
+            return;
+        }
+    }
+
+    class Seat {
+        private int id;
+        private SeatTypes type;
+
+        public int getId() {
+            return id;
+        }
+
+        public void setId(int id) {
+            this.id = id;
+        }
+
+        public Seat(int id, SeatTypes type) {
+            this.id = id;
+            this.type = type;
+        }
+    }
+
+    class Theater {
+        private HashMap<Integer, Seat> seats;
+        private int id;
+        public Theater(int id) {
+            this.id = id;
+            this.seats = new HashMap<Integer, Seat>();
+        }
+
+        public int getID() {
+            return this.id;
+        }
+
+        public void setID(int id) {
+            this.id = id;
+        }
+
+        public int remainingSeats() {
+            return seats.size();
+        }
+
+        public int takeSeat(int seatID) {
+            seats.remove(seatID);
+            return seats.size();
+        }
+
+    }
+
+}

solutions/object_oriented_design/movie_tickets/README.md

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+Movie tickets kiosk system OOP example in Java
+- Jeremy Hu 09/2022