diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..68c5ea0f --- /dev/null +++ b/.gitignore @@ -0,0 +1,9 @@ +### Example user template template +### Example user template + +# IntelliJ project files +.idea +*.iml +out +gen +README.md \ No newline at end of file diff --git a/README.md b/README.md deleted file mode 100644 index b0eb52bb..00000000 --- a/README.md +++ /dev/null @@ -1,33 +0,0 @@ -
- -### 자바 토이프로젝트

-> 제출자 - 최은빈 -> 출시일 - 23.04.27. -> 제출일 - 23.05.10. - -- [프로젝트 설명서](https://echoiing-fastcampus.notion.site/Smart-Store-47ea8a0b4b084301bd1eefbabe3426af)를 풀어서 제출하시오. 💻 - -- 파일 이름 작성법 📂 - - ````me.smartstore```` 패키지 생성 -- 제출방법 - - 본인의 이름으로 ````branch````를 생성하여 ````push````후 ````pull request```` 작성 - - 예시 - - branch 이름 - ````FirstNameLastName```` - - commit 메시지 (멘토 리뷰 이전) - [1차 VER1.0...] Java ToyProject upload by FirstNameLastName (labeling도 가능: ````first````) - - commit 메시지 (멘토 리뷰 이전) - [1차 VER2.0...] Java ToyProject upload by FirstNameLastName (labeling도 가능: ````second````) - - commit 메시지 (멘토 리뷰 이후) - [2차] Java ToyProject upload by FirstNameLastName (labeling도 가능: ````resubmit````) - - PR 메시지는 본인이 하고 싶은 말이나 질문을 적어주세요. - - ````코드리뷰 빡세게 부탁드립니다.```` ````클린한 코드인지 봐주세요.```` ````이 코드의 조금 더 나은 방법이 있을까요.```` - - ````~~번 문제 풀지 못했습니다.```` ````~~번 문제 풀이 방법을 알려주시면 감사하겠습니다.```` - - ````결과는 나왔는데 맞는지 모르겠습니다.```` -- 리뷰관련 [프로세스 🔖](https://quickest-asterisk-75d.notion.site/a8d233d87f0945cbaa8f71300515587d?p=b658d277f52843dd9e1e8322233c9006&pm=s) - - ```PEER REVIEW``` - 과제 기간동안 본인 과제 완료 후, 다른 수강생들의 PR을 보며 피어리뷰 가능 (댓글 이용) - - ```MENTOR REVIEW``` - 과제 기간 이후에 멘토진 코드 리뷰 (댓글 이용) - - 멘토님이 작성한 댓글 이후에는 수강생이 댓글 자제 (혼선 막기 위함) -- 주의사항 🔥 - - 본인 ```branch``` -> ```main branch``` PR 상태로 제출부탁드립니다. - - ```main branch```에 본인 ```branch```의 ```commit```을 ```merge``` 하지 마시기 바랍니다. - - ```git ignore``` 활용 적극 권장 ‼ - - 문제풀이 코드가 아닌 .idea, out과 같은 파일은 제출 하지 마세요 🥲 - -
diff --git a/me/smartstore/Main.java b/me/smartstore/Main.java new file mode 100644 index 00000000..549a8040 --- /dev/null +++ b/me/smartstore/Main.java @@ -0,0 +1,8 @@ +package me.smartstore; + +public class Main { + public static void main(String[] args) { + SmartStoreApp.getInstance().test().run(); // function chaining + // SmartStoreApp.getInstance().run(); + } +} diff --git a/me/smartstore/SmartStoreApp.java b/me/smartstore/SmartStoreApp.java new file mode 100644 index 00000000..2473b9bf --- /dev/null +++ b/me/smartstore/SmartStoreApp.java @@ -0,0 +1,64 @@ +package me.smartstore; + +import me.smartstore.customer.Customer; +import me.smartstore.customer.Customers; +import me.smartstore.group.Group; +import me.smartstore.group.GroupType; +import me.smartstore.group.Groups; +import me.smartstore.group.Parameter; +import me.smartstore.menu.*; + +public class SmartStoreApp { + private final Groups allGroups = Groups.getInstance(); + private final Customers allCustomers = Customers.getInstance(); + + private final MainMenu mainMenu = MainMenu.getInstance(); + + // singleton + private static SmartStoreApp smartStoreApp; + + public static SmartStoreApp getInstance() { + if (smartStoreApp == null) { + smartStoreApp = new SmartStoreApp(); + } + return smartStoreApp; + } + + private SmartStoreApp() {} + + public void details() { + System.out.println("\n\n==========================================="); + System.out.println(" Title : SmartStore Customer Classification"); + System.out.println(" Release Date : 23.05.10"); + System.out.println(" Copyright 2023 WooSeok All rights reserved."); + System.out.println("===========================================\n"); + } + + public SmartStoreApp test() { + allGroups.add(new Group(new Parameter(10, 100000), GroupType.GENERAL)); + allGroups.add(new Group(new Parameter(20, 200000), GroupType.VIP)); + allGroups.add(new Group(new Parameter(30, 300000), GroupType.VVIP)); + + for (int i = 0; i < 26; i++) { + allCustomers.add(new Customer( + Character.toString((char) ('a' + i)), + (char) ('a' + i) + "123", + ((int) (Math.random() * 5) + 1) * 10, + ((int) (Math.random() * 5) + 1) * 100000)); + } + + System.out.println("allCustomers = " + allCustomers); + System.out.println("allGroups = " + allGroups); + + // @TODO: refresh do not implemented yet. + allCustomers.refresh(); + + return this; // smartStoreApp + } + + public void run() { + details(); + mainMenu.manage(); + + } +} diff --git a/me/smartstore/arrays/Collections.java b/me/smartstore/arrays/Collections.java new file mode 100644 index 00000000..847ada31 --- /dev/null +++ b/me/smartstore/arrays/Collections.java @@ -0,0 +1,16 @@ +package me.smartstore.arrays; + +public interface Collections { + // 데이터를 가지고 있는 객체가 아님 + // 구현 해야하는 메소드의 정보만 가지고 있음 (인터페이스) + + int size(); + T get(int index); + void set(int index, T object); + int indexOf(T object); + void add(T object); + void add(int index, T object); + T pop(); + T pop(int index); + T pop(T object); +} diff --git a/me/smartstore/arrays/DArray.java b/me/smartstore/arrays/DArray.java new file mode 100644 index 00000000..269bb4bc --- /dev/null +++ b/me/smartstore/arrays/DArray.java @@ -0,0 +1,148 @@ +package me.smartstore.arrays; + +import me.smartstore.exception.ElementNotFoundException; +import me.smartstore.exception.EmptyArrayException; +import me.smartstore.exception.NullArgumentException; + +public class DArray implements Collections { // Dynamic Array + + protected static final int DEFAULT = 10; + + protected T[] arrays; + protected int size; + protected int capacity; + + public DArray() throws ClassCastException { + arrays = (T[]) new Object[DEFAULT]; + capacity = DEFAULT; + } + + public DArray(int initial) throws ClassCastException { + arrays = (T[]) new Object[initial]; + capacity = initial; + } + + public DArray(T[] arrays) { + this.arrays = arrays; + capacity = arrays.length; + size = arrays.length; + } + + ///////////////////////////////////////// + // add, set, get, pop, indexOf, size, capacity (for dynamic-sized array) + + @Override + public int size() { + return size; + } + + // 배열에 얼마나 capacity 남아있는지 외부에 알려줄 필요가 없기 때문에 으로 정의 + protected int capacity() { + return capacity; + } + + @Override + public T get(int index) throws IndexOutOfBoundsException { + if (index < 0 || index >= size) throw new IndexOutOfBoundsException(); + return arrays[index]; + } + + /** + * @param: ... + * @return: ... + * @throws: IndexOutOfBoundsException + * @throws: NullArgumentException + * */ + @Override + public void set(int index, T object) throws IndexOutOfBoundsException, NullArgumentException { + if (index < 0 || index >= size) throw new IndexOutOfBoundsException(); + if (object == null) throw new NullArgumentException(); + + arrays[index] = object; + } + + @Override + public int indexOf(T object) throws NullArgumentException, ElementNotFoundException { + if (object == null) throw new NullArgumentException(); // not found (instead of throwing exception) + + for (int i = 0; i < size; i++) { + if (arrays[i] == null) continue; + if (arrays[i].equals(object)) return i; + } + throw new ElementNotFoundException(); // not found + } + + // 배열의 cap이 부족한 경우 + @Override + public void add(T object) throws NullArgumentException { + if (object == null) throw new NullArgumentException(); // if argument is null, do not add null value in array + + if (size < capacity) { + arrays[size] = object; + size++; + } else { + grow(); + add(object); + } + } + + @Override + public void add(int index, T object) throws IndexOutOfBoundsException, NullArgumentException { + if (index < 0 || index >= size) throw new IndexOutOfBoundsException(); + if (object == null) throw new NullArgumentException(); + + if (size < capacity) { + for (int i = size-1; i >= index ; i--) { + arrays[i+1] = arrays[i]; + } + arrays[index] = object; + size++; + } else { + grow(); + add(index, object); + } + } + + @Override + public T pop() { + + return pop(size-1); + } + + @Override + public T pop(int index) throws IndexOutOfBoundsException { + if (size == 0) throw new EmptyArrayException(); + if (index < 0 || index >= size) throw new IndexOutOfBoundsException(); + + T popElement = arrays[index]; + arrays[index] = null; // 삭제됨을 명시적으로 표현 + + for (int i = index+1; i < size; i++) { + arrays[i-1] = arrays[i]; + } + arrays[size-1] = null; + size--; + return popElement; + } + + @Override + public T pop(T object) { + return pop(indexOf(object)); + } + + protected void grow() { + capacity *= 2; // doubling + arrays = java.util.Arrays.copyOf(arrays, capacity); + + // size는 그대로 + } + + @Override + public String toString() { + String toStr = ""; + for (int i = 0; i < size; i++) { + toStr += (arrays[i] + "\n"); + } + return toStr; + } +} diff --git a/me/smartstore/customer/Customer.java b/me/smartstore/customer/Customer.java new file mode 100644 index 00000000..07807daa --- /dev/null +++ b/me/smartstore/customer/Customer.java @@ -0,0 +1,108 @@ +package me.smartstore.customer; + +import me.smartstore.group.Group; + +import java.util.Objects; + +public class Customer { + private String cusName; + private String cusId; + private Integer cusTotalTime; + private Integer cusTotalPay; + private Group group; // 현재 분류 기준에 의해 각 고객을 분류된 결과 + + + + public Customer() { + } + + public Customer(String cusId) { + this.cusId = cusId; + } + + public Customer(String cusName, String cusId) { + this.cusName = cusName; + this.cusId = cusId; + } + + public Customer(String cusName, String cusId, Integer cusTotalTime, Integer cusTotalPay) { + this.cusName = cusName; + this.cusId = cusId; + this.cusTotalTime = cusTotalTime; + this.cusTotalPay = cusTotalPay; + } + + public Customer(String cusName, String cusId, Integer cusTotalTime, Integer cusTotalPay, Group group) { + this.cusName = cusName; + this.cusId = cusId; + this.cusTotalTime = cusTotalTime; + this.cusTotalPay = cusTotalPay; + this.group = group; + } + + public String getCusName() { + return cusName; + } + + public void setCusName(String cusName) { + this.cusName = cusName; + } + + public String getCusId() { + return cusId; + } + + public void setCusId(String cusId) { + this.cusId = cusId; + } + + public Integer getCusTotalTime() { + return cusTotalTime; + } + + public void setCusTotalTime(Integer cusTotalTime) { + this.cusTotalTime = cusTotalTime; + } + + public Integer getCusTotalPay() { + return cusTotalPay; + } + + public void setCusTotalPay(Integer cusTotalPay) { + this.cusTotalPay = cusTotalPay; + } + + public Group getGroup() { + return group; + } + + public void setGroup(Group group) { + this.group = group; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Customer customer = (Customer) o; + return Objects.equals(cusId, customer.cusId); + } + + @Override + public int hashCode() { + return Objects.hash(cusId); + } + + @Override + public String toString() { + return "Customer{" + + "cusName='" + cusName + '\'' + + ", cusId='" + cusId + '\'' + + ", cusTotalTime=" + cusTotalTime + + ", cusTotalPay=" + cusTotalPay + + ", group=GroupType:" + group + + '}'; + } +} + + diff --git a/me/smartstore/customer/Customers.java b/me/smartstore/customer/Customers.java new file mode 100644 index 00000000..c6af8ded --- /dev/null +++ b/me/smartstore/customer/Customers.java @@ -0,0 +1,96 @@ +package me.smartstore.customer; + +import me.smartstore.arrays.DArray; +import me.smartstore.group.GroupType; +import me.smartstore.group.Groups; +import me.smartstore.group.Group; + +import java.util.Arrays; +import java.util.Comparator; + + +public class Customers extends DArray { + private final Groups allGroups = Groups.getInstance(); + private static Customers allCustomers; + + public static Customers getInstance() { + if (allCustomers == null) { + allCustomers = new Customers(); + } + return allCustomers; + } + private Group find(int totalTime, int totalPay) { + try { + if(totalTime >= allGroups.find(GroupType.VVIP).getParameter().getMinTime() && totalPay>=allGroups.find(GroupType.VVIP).getParameter().getMinPay()){ + return allGroups.find(GroupType.VVIP); + } else if (totalTime >= allGroups.find(GroupType.VIP).getParameter().getMinTime() && totalPay>=allGroups.find(GroupType.VIP).getParameter().getMinPay()) { + return allGroups.find(GroupType.VIP); + } else if (totalTime >= allGroups.find(GroupType.GENERAL).getParameter().getMinTime() && totalPay>=allGroups.find(GroupType.GENERAL).getParameter().getMinPay()) { + return allGroups.find(GroupType.GENERAL); + } else{ + return allGroups.find(GroupType.NONE); + } + } catch (NullPointerException e){ + return null; + } + } + private Customers() {} + + // refresh 함수가 호출되는 경우 + // 1. 분류기준 바뀔 때 + // 2. 새로운 고객이 들어올 때df + public void refresh() { + for(int i=0; i() { + @Override + public int compare(Customer o1, Customer o2) { + return (o1.getCusName().compareTo(o2.getCusName()) * scount); + } + }); + } + + public void sortPay(Customer[] value, int scount) { + Arrays.sort(value, new Comparator() { + @Override + public int compare(Customer o1, Customer o2) { + return (o1.getCusTotalPay().compareTo(o2.getCusTotalPay()) * scount); + } + }); + } + + public void sortTime(Customer[] value, int scount) { + Arrays.sort(value, new Comparator() { + @Override + public int compare(Customer o1, Customer o2) { + return (o1.getCusTotalTime().compareTo(o2.getCusTotalTime()) * scount); + } + }); + } + +} diff --git a/me/smartstore/exception/ArrayEmptyException.java b/me/smartstore/exception/ArrayEmptyException.java new file mode 100644 index 00000000..a142fe38 --- /dev/null +++ b/me/smartstore/exception/ArrayEmptyException.java @@ -0,0 +1,14 @@ +package me.smartstore.exception; + +import me.smartstore.util.Message; + +public class ArrayEmptyException extends RuntimeException { + + public ArrayEmptyException() { + super(Message.ERR_MSG_INVALID_ARR_EMPTY); + } + + public ArrayEmptyException(String message) { + super(message); + } +} \ No newline at end of file diff --git a/me/smartstore/exception/ElementNotFoundException.java b/me/smartstore/exception/ElementNotFoundException.java new file mode 100644 index 00000000..ac2f92fb --- /dev/null +++ b/me/smartstore/exception/ElementNotFoundException.java @@ -0,0 +1,23 @@ +package me.smartstore.exception; + +public class ElementNotFoundException extends RuntimeException { + public ElementNotFoundException() { + } + + public ElementNotFoundException(String message) { + super(message); + } + + public ElementNotFoundException(String message, Throwable cause) { + super(message, cause); + } + + public ElementNotFoundException(Throwable cause) { + super(cause); + } + + public ElementNotFoundException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) { + super(message, cause, enableSuppression, writableStackTrace); + } +} + diff --git a/me/smartstore/exception/EmptyArrayException.java b/me/smartstore/exception/EmptyArrayException.java new file mode 100644 index 00000000..57013a9c --- /dev/null +++ b/me/smartstore/exception/EmptyArrayException.java @@ -0,0 +1,23 @@ +package me.smartstore.exception; + +public class EmptyArrayException extends RuntimeException { + public EmptyArrayException() { + } + + public EmptyArrayException(String message) { + super(message); + } + + public EmptyArrayException(String message, Throwable cause) { + super(message, cause); + } + + public EmptyArrayException(Throwable cause) { + super(cause); + } + + public EmptyArrayException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) { + super(message, cause, enableSuppression, writableStackTrace); + } +} + diff --git a/me/smartstore/exception/InputEmptyException.java b/me/smartstore/exception/InputEmptyException.java new file mode 100644 index 00000000..8ea30894 --- /dev/null +++ b/me/smartstore/exception/InputEmptyException.java @@ -0,0 +1,14 @@ +package me.smartstore.exception; + +import me.smartstore.util.Message; + +public class InputEmptyException extends RuntimeException { + + public InputEmptyException() { + super(Message.ERR_MSG_INVALID_INPUT_EMPTY); + } + + public InputEmptyException(String message) { + super(message); + } +} \ No newline at end of file diff --git a/me/smartstore/exception/InputEndException.java b/me/smartstore/exception/InputEndException.java new file mode 100644 index 00000000..ffba020a --- /dev/null +++ b/me/smartstore/exception/InputEndException.java @@ -0,0 +1,13 @@ +package me.smartstore.exception; + +import me.smartstore.util.Message; + +public class InputEndException extends RuntimeException { + public InputEndException() { + super(Message.ERR_MSG_INPUT_END); + } + + public InputEndException(String message) { + super(message); + } +} diff --git a/me/smartstore/exception/InputFormatException.java b/me/smartstore/exception/InputFormatException.java new file mode 100644 index 00000000..edc44e44 --- /dev/null +++ b/me/smartstore/exception/InputFormatException.java @@ -0,0 +1,13 @@ +package me.smartstore.exception; + +import me.smartstore.util.Message; + +public class InputFormatException extends RuntimeException { + public InputFormatException() { + super(Message.ERR_MSG_INVALID_INPUT_FORMAT); + } + + public InputFormatException(String message) { + super(message); + } +} diff --git a/me/smartstore/exception/InputRangeException.java b/me/smartstore/exception/InputRangeException.java new file mode 100644 index 00000000..10d7b011 --- /dev/null +++ b/me/smartstore/exception/InputRangeException.java @@ -0,0 +1,13 @@ +package me.smartstore.exception; + +import me.smartstore.util.Message; + +public class InputRangeException extends RuntimeException { + public InputRangeException() { + super(Message.ERR_MSG_INVALID_INPUT_RANGE); + } + + public InputRangeException(String message) { + super(message); + } +} diff --git a/me/smartstore/exception/InputTypeException.java b/me/smartstore/exception/InputTypeException.java new file mode 100644 index 00000000..d0d9c745 --- /dev/null +++ b/me/smartstore/exception/InputTypeException.java @@ -0,0 +1,13 @@ +package me.smartstore.exception; + +import me.smartstore.util.Message; + +public class InputTypeException extends RuntimeException { + public InputTypeException() { + super(Message.ERR_MSG_INVALID_INPUT_TYPE); + } + + public InputTypeException(String message) { + super(message); + } +} \ No newline at end of file diff --git a/me/smartstore/exception/NullArgumentException.java b/me/smartstore/exception/NullArgumentException.java new file mode 100644 index 00000000..e2a8531d --- /dev/null +++ b/me/smartstore/exception/NullArgumentException.java @@ -0,0 +1,22 @@ +package me.smartstore.exception; + +public class NullArgumentException extends RuntimeException { + public NullArgumentException() { + } + + public NullArgumentException(String message) { + super(message); + } + + public NullArgumentException(String message, Throwable cause) { + super(message, cause); + } + + public NullArgumentException(Throwable cause) { + super(cause); + } + + public NullArgumentException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) { + super(message, cause, enableSuppression, writableStackTrace); + } +} diff --git a/me/smartstore/group/Group.java b/me/smartstore/group/Group.java new file mode 100644 index 00000000..bbffe1ab --- /dev/null +++ b/me/smartstore/group/Group.java @@ -0,0 +1,53 @@ +package me.smartstore.group; + +import java.util.Objects; + +public class Group { + private Parameter parameter; // 분류기준 + private GroupType groupType; // 그룹 타입 + + public Group() { + } + + public Group(Parameter parameter, GroupType groupType) { + this.parameter = parameter; + this.groupType = groupType; + } + + public Parameter getParameter() { + return parameter; + } + + public void setParameter(Parameter parameter) { + this.parameter = parameter; + } + + public GroupType getGroupType() { + return groupType; + } + + public void setGroupType(GroupType groupType) { + this.groupType = groupType; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Group group = (Group) o; + return Objects.equals(parameter, group.parameter) && groupType == group.groupType; + } + + @Override + public int hashCode() { + return Objects.hash(parameter, groupType); + } + + @Override + public String toString() { + return "Group{" + + "parameter=" + parameter + + ", groupType=" + groupType + + '}'; + } +} diff --git a/me/smartstore/group/GroupType.java b/me/smartstore/group/GroupType.java new file mode 100644 index 00000000..d6ccca37 --- /dev/null +++ b/me/smartstore/group/GroupType.java @@ -0,0 +1,22 @@ +package me.smartstore.group; + +public enum GroupType { + NONE("해당없음"), GENERAL("일반고객"), VIP("우수고객"), VVIP("최우수고객"), + N("해당없음"), G("일반고객"), V("우수고객"), VV("최우수고객"); + + + String groupType = ""; + + + GroupType(String groupType) { + this.groupType = groupType; + } + + public GroupType replaceFullName() { + if (this == N) return NONE; + else if (this == G) return GENERAL; + else if (this == V) return VIP; + else if (this == VV) return VVIP; + return this; + } +} diff --git a/me/smartstore/group/Groups.java b/me/smartstore/group/Groups.java new file mode 100644 index 00000000..5a986414 --- /dev/null +++ b/me/smartstore/group/Groups.java @@ -0,0 +1,31 @@ +package me.smartstore.group; + +import me.smartstore.arrays.DArray; + +public class Groups extends DArray { + // singleton + private static Groups allGroups; + + public static Groups getInstance() { + if (allGroups == null) { + allGroups = new Groups(); + } + return allGroups; + } + + private Groups() {} + + public Group find(GroupType groupType) { + for (int i = 0; i < this.size; i++) { + if (this.get(i).getGroupType() == groupType) { + return this.get(i); + } + } + + return null; + } + + +} + + diff --git a/me/smartstore/group/Parameter.java b/me/smartstore/group/Parameter.java new file mode 100644 index 00000000..114db37a --- /dev/null +++ b/me/smartstore/group/Parameter.java @@ -0,0 +1,55 @@ +package me.smartstore.group; + +import java.util.Objects; + +public class Parameter { + private Integer minTime; + private Integer minPay; + + + public Parameter() { + } + + public Parameter(Integer minTime, Integer minPay) { + this.minTime = minTime; + this.minPay = minPay; + } + + public Integer getMinTime() { + return minTime; + } + + public void setMinTime(Integer minTime) { + this.minTime = minTime; + } + + public Integer getMinPay() { + return minPay; + } + + public void setMinPay(Integer minPay) { + this.minPay = minPay; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + Parameter parameter = (Parameter) o; + return Objects.equals(minTime, parameter.minTime) && Objects.equals(minPay, parameter.minPay); + } + + @Override + public int hashCode() { + return Objects.hash(minTime, minPay); + } + + @Override + public String toString() { + return "Parameter{" + + "minTime=" + minTime + + ", minPay=" + minPay + + '}'; + } +} + diff --git a/me/smartstore/menu/CustomerMenu.java b/me/smartstore/menu/CustomerMenu.java new file mode 100644 index 00000000..29f371e0 --- /dev/null +++ b/me/smartstore/menu/CustomerMenu.java @@ -0,0 +1,162 @@ +package me.smartstore.menu; + +import me.smartstore.customer.Customer; +import me.smartstore.customer.Customers; +import me.smartstore.exception.EmptyArrayException; +import me.smartstore.exception.InputEmptyException; +import me.smartstore.exception.InputEndException; +import me.smartstore.util.Message; + +import java.util.InputMismatchException; + +public class CustomerMenu implements Menu { + // singleton + private final Customers allCustomers = Customers.getInstance(); + private static CustomerMenu customerMenu; + + public static CustomerMenu getInstance() { + if (customerMenu == null) { + customerMenu = new CustomerMenu(); + } + return customerMenu; + } + + private CustomerMenu() { + } + + @Override + public void manage() { + while (true) { // 서브 메뉴 페이지를 유지하기 위한 while + int choice = chooseMenu(new String[]{ + "Add Customer", + "View Customer", + "Update Customer", + "Delete Customer", + "Back"}); + + if (choice == 1) addCustomer(); + else if (choice == 2) + viewCustomer(); + else if (choice == 3) + updateCustomer(); + else if (choice == 4) + deleteCustomer(); + else break; // choice == 4 + } + } + + + private Customer setCustomer(Customer customer) { + while (true) { + try { + int choice = customerMenu.chooseMenu(new String[]{ + "Customer Name", + "Customer ID", + "Customer Spent Time", + "Customer Total Pay", + "Back" + }); + + if (choice == 1) { + System.out.println("Input Customer's Name: "); + customer.setCusName(nextLine(Message.END_MSG)); + + } else if (choice == 2) { + System.out.println("Input Customer's ID: "); + customer.setCusId(nextLine(Message.END_MSG)); + } else if (choice == 3) { + System.out.println("Input Customer's Spent Time: "); + customer.setCusTotalTime(Integer.valueOf(nextLine(Message.END_MSG))); + } else if (choice == 4) { + System.out.println("Input Customer's Total Payment: "); + customer.setCusTotalPay(Integer.valueOf((nextLine(Message.END_MSG)))); + } else + break; + + } catch (InputMismatchException e) { + System.out.println(Message.ERR_MSG_INVALID_INPUT_TYPE); + } catch (InputEndException e) { + System.out.println(Message.ERR_MSG_INPUT_END); + } + } + return customer; + } + + + private void addCustomer() { + while (true) { + try { + System.out.println("How many customer to input?"); + int customers = Integer.parseInt(nextLine(Message.END_MSG)); + + for (int i = 0; i < customers; i++) { + System.out.println("\n====== Customer " + (i + 1) + " Info. ======"); + Customer sCustomer = new Customer(); + sCustomer = setCustomer(sCustomer); + allCustomers.add(sCustomer); + allCustomers.refresh(); + } + return; + } catch (InputEndException e) { + System.out.println(Message.ERR_MSG_INPUT_END); + } catch (NumberFormatException e) { + System.out.println(Message.ERR_MSG_INVALID_INPUT_FORMAT); + } + + } + } + + + private void viewCustomer() { + + try { + System.out.println("\n======= Customer Info. ======="); + for (int i = 0; i < allCustomers.size(); i++) { + System.out.print("NO. " + (i + 1) + "=> "); + System.out.println(allCustomers.get(i)); + } + allCustomers.refresh(); + + } catch (EmptyArrayException e) { + System.out.println(Message.ERR_MSG_NULL_ARR_ELEMENT); + } catch (InputEndException e) { + System.out.println(Message.ERR_MSG_INPUT_END); + } + } + + private void updateCustomer () { + viewCustomer(); + try{ + System.out.print("Which customer ( 1 ~ " + allCustomers.size() + " )? "); + int cusNum = Integer.parseInt(nextLine(Message.END_MSG)); + setCustomer(allCustomers.get(cusNum -1) ); + allCustomers.refresh(); + + }catch(InputMismatchException e){ + System.out.println(Message.ERR_MSG_INVALID_INPUT_FORMAT); + }catch(InputEndException e){ + System.out.println(Message.ERR_MSG_INPUT_END); + } + } + + private void deleteCustomer () { + viewCustomer(); + try{ + System.out.print("Which customer ( 1 ~ " + allCustomers.size() + " )? "); + int cusNum = Integer.parseInt(nextLine(Message.END_MSG)); + + System.out.println(allCustomers.pop(cusNum - 1)); + allCustomers.refresh(); + viewCustomer(); + + + }catch(InputMismatchException e){ + System.out.println(Message.ERR_MSG_INVALID_INPUT_FORMAT); + }catch(InputEndException e){ + System.out.println(Message.ERR_MSG_INPUT_END); + } + + + + } +} diff --git a/me/smartstore/menu/GroupMenu.java b/me/smartstore/menu/GroupMenu.java new file mode 100644 index 00000000..07f40463 --- /dev/null +++ b/me/smartstore/menu/GroupMenu.java @@ -0,0 +1,153 @@ +package me.smartstore.menu; + +import me.smartstore.customer.Customers; +import me.smartstore.exception.InputEndException; +import me.smartstore.group.Group; +import me.smartstore.group.GroupType; +import me.smartstore.group.Groups; +import me.smartstore.group.Parameter; +import me.smartstore.util.Message; +import java.util.Scanner; + + +public class GroupMenu implements Menu { + Scanner sc = new Scanner(System.in); + + private final Groups allGroups = Groups.getInstance(); + private final Customers allCustomers = Customers.getInstance(); + // singleton + private static GroupMenu groupMenu; + + public static GroupMenu getInstance() { + if (groupMenu == null) { + groupMenu = new GroupMenu(); + } + return groupMenu; + } + + private GroupMenu() {} + + @Override + public void manage() { + while ( true ) { // 서브 메뉴 페이지를 유지하기 위한 while + int choice = chooseMenu(new String[]{ + "Set Parameter", + "View Parameter", + "Update Parameter", + "Back"}); + + if (choice == 1) setParameter(); + else if (choice == 2) { viewParameter(); } + else if (choice == 3) { updateParameter();} + //else if (choice == 4) {MainMenu.getInstance().manage();} + else break; // choice == 4 + } + + } + + public GroupType chooseGroup() { + while ( true ) { + try { + System.out.println("Which group (GENERAL (G), VIP (V), VVIP (VV))? "); + String choice = nextLine(Message.END_MSG); + // group (str) -> GroupType (enum) + // "VIP" -> GroupType.VIP + + GroupType groupType = GroupType.valueOf(choice).replaceFullName(); + return groupType; + } catch (InputEndException e) { + System.out.println(Message.ERR_MSG_INPUT_END); + return null; + } catch (IllegalArgumentException e) { + System.out.println(Message.ERR_MSG_INVALID_INPUT_RANGE); + } + } + } + + public void setParameter() { // 초기화할 때만 호출 가능 + while ( true ) { + + GroupType groupType = chooseGroup(); + if (groupType == null) { // InputEndException 발생 시 GroupMenu으로 이동 + break; + } + // GroupType에 해당하는 group 객체를 찾아야 함 + Group group = allGroups.find(groupType); + if (group != null && group.getParameter() != null) { // group.getParameter()이 null이 아니면 이미 초기화됨 + System.out.println("\n" + group.getGroupType() + " group already exists."); + System.out.println("\n" + group); + } else { + Parameter parameter = new Parameter(); + setPaywithTime(allGroups.find(groupType).getParameter()); + + group.setParameter(parameter); + allCustomers.refresh(); // 파라미터가 변경되었거나 추가되는 경우, 고객 분류를 다시 해야함 + } + } + } + + public void setPaywithTime(Parameter parameter) { // + while(true) { + int choice = chooseMenu(new String[]{ + "Minimum Spent Time", + "Minimum Total Pay", + "Back", + }); + if (choice == 1) { + System.out.println("Input Minimum Spent Time:"); + String input = nextLine(Message.END_MSG); + if (input.equalsIgnoreCase("end")) { + System.out.println(Message.ERR_MSG_INPUT_END); + break; + } + try { + parameter.setMinTime(Integer.valueOf(input)); + } catch (NumberFormatException e) { + System.out.println("Invalid input. Please enter a valid number or 'end'."); + } + allCustomers.refresh(); + } + else if (choice == 2) { + System.out.println("Input Minimum Total Pay:"); + String input = nextLine(Message.END_MSG); + if (input.equalsIgnoreCase("end")) { + System.out.println(Message.ERR_MSG_INPUT_END); + break; + } + try { + parameter.setMinPay(Integer.valueOf(input)); + } catch (NumberFormatException e) { + System.out.println("Invalid input. Please enter a valid number or 'end'."); + } + allCustomers.refresh(); + }else + break; + } + + } + + + + public void viewParameter() { + while (true) { + GroupType groupType = chooseGroup(); + if (groupType == null) { //end입력시 이동 + break; + } + Group group = allGroups.find(groupType); + System.out.println("GroupType: " + groupType); + System.out.println("Parameter: " + group.getParameter()); + + + } + } + + public void updateParameter() { + while(true) { + GroupType groupType = chooseGroup(); + if(groupType ==null) break; + setPaywithTime(allGroups.find(groupType).getParameter()); + allCustomers.refresh(); + } + } +} diff --git a/me/smartstore/menu/MainMenu.java b/me/smartstore/menu/MainMenu.java new file mode 100644 index 00000000..a7768657 --- /dev/null +++ b/me/smartstore/menu/MainMenu.java @@ -0,0 +1,39 @@ +package me.smartstore.menu; + +public class MainMenu implements Menu { + + private final CustomerMenu customerMenu = CustomerMenu.getInstance(); + private final GroupMenu groupMenu = GroupMenu.getInstance(); + private final SummaryMenu summaryMenu = SummaryMenu.getInstance(); + + // singleton + private static MainMenu mainMenu; + + public static MainMenu getInstance() { + if (mainMenu == null) { + mainMenu = new MainMenu(); + } + return mainMenu; + } + + private MainMenu() {} + + @Override + public void manage() { + while ( true ) { // 프로그램 실행 while + int choice = mainMenu.chooseMenu(new String[] { + "Parameter", + "Customer", + "Classification Summary", + "Quit"}); + + if (choice == 1) groupMenu.manage(); + else if (choice == 2) customerMenu.manage(); + else if (choice == 3) summaryMenu.manage(); + else { // choice == 4 + System.out.println("Program Finished"); + break; + } + } + } +} diff --git a/me/smartstore/menu/Menu.java b/me/smartstore/menu/Menu.java new file mode 100644 index 00000000..d4f7e29a --- /dev/null +++ b/me/smartstore/menu/Menu.java @@ -0,0 +1,48 @@ +package me.smartstore.menu; + +import me.smartstore.exception.InputEndException; +import me.smartstore.exception.InputRangeException; +import me.smartstore.util.Message; + +import java.util.InputMismatchException; +import java.util.Scanner; + +public interface Menu { + Scanner scanner = new Scanner(System.in); + + default String nextLine() { // 하나의 프로그램 상에서 nextLine() 함수를 통해서 사용자 입력을 받음 + return scanner.nextLine().toUpperCase(); + } + + default String nextLine(String end) { + System.out.println("** Press 'end', if you want to exit! **"); + String str = scanner.nextLine().toUpperCase(); + if (str.equals(end)) throw new InputEndException(); + return str; + } + + default int chooseMenu(String[] menus) { + while ( true ) { // 예외 복구 while + try { + System.out.println("==============================="); + for (int i = 0; i < menus.length; i++) { + System.out.printf(" %d. %s\n", i + 1, menus[i]); + } + System.out.println("==============================="); + System.out.print("Choose One: "); + int choice = Integer.parseInt(nextLine()); + if (choice >= 1 && choice <= menus.length) return choice; + throw new InputRangeException(); // choice 가 범위에 벗어남 + + } catch (InputMismatchException e) { + System.out.println(Message.ERR_MSG_INVALID_INPUT_FORMAT); + + } catch (InputRangeException e) { + System.out.println(Message.ERR_MSG_INVALID_INPUT_RANGE); + + } + } + } + + void manage(); // 각 서브메뉴들을 관리하는 함수 (각 서브메뉴의 최상위 메뉴) +} diff --git a/me/smartstore/menu/SummaryMenu.java b/me/smartstore/menu/SummaryMenu.java new file mode 100644 index 00000000..c4ba933d --- /dev/null +++ b/me/smartstore/menu/SummaryMenu.java @@ -0,0 +1,128 @@ +package me.smartstore.menu; + +import me.smartstore.customer.Customer; +import me.smartstore.customer.Customers; +import me.smartstore.exception.InputEndException; +import me.smartstore.exception.InputRangeException; +import me.smartstore.group.Group; +import me.smartstore.group.Groups; +import me.smartstore.util.Message; + +public class SummaryMenu implements Menu { + + private final Customers allCustomers = Customers.getInstance(); + private final Groups allGroups = Groups.getInstance(); + private static SummaryMenu summaryMenu; + + public static SummaryMenu getInstance() { + if (summaryMenu == null) { + summaryMenu = new SummaryMenu(); + } + return summaryMenu; + } + + private SummaryMenu() { + } + + @Override + public void manage() { + while (true) { // 서브 메뉴 페이지를 유지하기 위한 while + int choice = chooseMenu(new String[]{ + "Summary", + "Summary (Sorted By Name)", + "Summary (Sorted By Time)", + "Summary (Sorted By Pay)", + "Back"}); + if (choice == 1) summary(); + else if (choice == 2) summaryByName(); + else if (choice == 3) summaryByTime(); + else if (choice == 4) summaryByPay(); + else break; // choice == 4 + } + } + + private void show(Customer[] customers, Group group) { + try { + System.out.println("=============================="); + System.out.printf("Group : %s ( Time : %d, Pay : %d )\n", group.getGroupType(), + group.getParameter().getMinTime(), + group.getParameter().getMinPay()); + System.out.println("=============================="); + for (int i = 0; i < customers.length; i++) { + System.out.println("NO.\t" + (i + 1) + " => " + customers[i]); + } + System.out.println("=============================="); + System.out.println(); + + + } catch (NullPointerException e) { + System.out.println("그룹을 찾을 수 없다"); + } + } + + private int sortType() { + while (true) { + try { + System.out.println("Which order (ASCENDING (A), DESCENDING (D))?"); + String choice = nextLine(Message.END_MSG); + + if (!choice.equals("A") && !choice.equals("D") && !choice.equals("a") && !choice.equals("d")) { + throw new InputRangeException(); + } + + if (choice.equals("a") || choice.equals("A")) return 1; + else return -1; + + } catch (InputEndException e) { + System.out.println(Message.ERR_MSG_INPUT_END); + } catch (InputRangeException e) { + System.out.println(Message.ERR_MSG_INVALID_INPUT_RANGE); + } + } + } + + + + private void summary() { + int mark = 0; + for(int i = 0; i < allGroups.size(); i++) { + Customer[] value = allCustomers.seperateGroup(allGroups.get(i).getGroupType()); + show(value, allGroups.get(i)); + } + } + + private void summaryByName() { + int sortcount = 0; + sortcount = sortType(); + for(int i = 0; i < allGroups.size(); i++){ + Customer[] value = allCustomers.seperateGroup(allGroups.get(i).getGroupType()); + allCustomers.sortName(value, sortcount); + show(value, allGroups.get(i)); + } + } + + private void summaryByTime() { + int sortcount = 0; + sortcount = sortType(); + for (int i = 0; i < allGroups.size(); i++) { + Customer[] value = allCustomers.seperateGroup(allGroups.get(i).getGroupType()); + allCustomers.sortTime(value, sortcount); + show(value, allGroups.get(i)); + } + + } + + private void summaryByPay() { + int sortcount = 0; + sortcount = sortType(); + for (int i = 0; i < allGroups.size(); i++) { + Customer[] value = allCustomers.seperateGroup(allGroups.get(i).getGroupType()); + allCustomers.sortPay(value, sortcount); + show(value, allGroups.get(i)); + } + + } +} + + + diff --git a/me/smartstore/util/Message.java b/me/smartstore/util/Message.java new file mode 100644 index 00000000..1c67d21e --- /dev/null +++ b/me/smartstore/util/Message.java @@ -0,0 +1,13 @@ +package me.smartstore.util; + +public interface Message { + String ERR_MSG_INVALID_ARR_EMPTY = "No Customers. Please input one first."; + String ERR_MSG_NULL_ARR_ELEMENT = "Elements in Array has null. Array can't be sorted."; + String ERR_MSG_INVALID_INPUT_NULL = "Null Input. Please input something."; + String ERR_MSG_INVALID_INPUT_EMPTY = "Empty Input. Please input something."; + String ERR_MSG_INVALID_INPUT_RANGE = "Invalid Input. Please try again."; + String ERR_MSG_INVALID_INPUT_TYPE = "Invalid Type for Input. Please try again."; + String ERR_MSG_INVALID_INPUT_FORMAT = "Invalid Format for Input. Please try again."; + String ERR_MSG_INPUT_END = "END is pressed. Exit this menu."; + String END_MSG = "END"; +}