(Feat) UserRepository 구상체 추가 [prgrms-be-devcourse#7]

* On branch : develop
# 메모리  저장소 : UserMemoryRepository
# 파일      저장소 : UserFileRepository

* Changes to be committed:
                Modified : UserMemoryRepository.java, UserFileRepository.java

Author: kimziou77

voucher-project/src/main/java/com/example/voucherproject/user/repository/UserFileRepository.java

@@ -0,0 +1,71 @@
+package com.example.voucherproject.user.repository;
+
+import com.example.voucherproject.common.enums.UserType;
+import com.example.voucherproject.common.file.CSVReader;
+import com.example.voucherproject.common.file.CSVWriter;
+import com.example.voucherproject.user.domain.User;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Repository;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+@Slf4j
+@Repository
+@Primary
+@RequiredArgsConstructor
+public class UserFileRepository implements UserRepository{
+    // TODO: file io interface로 변경하기
+    private CSVReader csvReader = new CSVReader();
+    private CSVWriter csvWriter = new CSVWriter();
+
+    private final String ALL_USER_LIST = "user_allList.csv";
+    private final String BLACK_USER_LIST = "user_blacklist.csv";
+
+    @Override
+    public User save(User user) {
+        switch(user.getType()){
+            case BLACK:
+                csvWriter.userToCSV(user,BLACK_USER_LIST);
+            case NORMAL:
+                csvWriter.userToCSV(user,ALL_USER_LIST);
+                break;
+            default:
+                log.warn("[유저 저장 실패] 사유 : 유저 타입 미지정 -> See 유저정보 -> " + user);
+                break;
+        }
+        return user;
+    }
+
+    @Override
+    public List<User> getUserList(UserType type) {
+        switch(type){
+            case BLACK:
+                return getList(BLACK_USER_LIST);
+            case NORMAL:
+                return getList(ALL_USER_LIST);
+            default:
+                log.warn("[유저 리스트 불러오기 실패] 사유 : 존재하지 않는 유저타입");
+                return null;
+        }
+    }
+
+    // TODO: 여기서 유저를 생성해도 될까? -> 나는 된다고 생각함
+    public List<User> getList(String listType) {
+        List<User> users = new ArrayList<>();
+
+        var allUser = csvReader.readUser(listType);
+        allUser.stream().forEach(user ->{
+            var userUUID = UUID.fromString(user.get(0));
+            var userType = UserType.valueOf(user.get(1));
+            var userName = user.get(2);
+            users.add(new User(userUUID, userType, userName));
+        });
+        return users;
+    }
+
+}

voucher-project/src/main/java/com/example/voucherproject/user/repository/UserMemoryRepository.java

@@ -0,0 +1,23 @@
+package com.example.voucherproject.user.repository;
+import com.example.voucherproject.common.enums.UserType;
+import com.example.voucherproject.user.domain.User;
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Repository;
+import java.util.*;
+
+@Repository
+public class UserMemoryRepository implements UserRepository{
+    private final Map<UUID, User> userMap = new HashMap<>();
+
+    @Override
+    public User save(User user) {
+        userMap.put(user.getId(), user);
+        return user;
+    }
+
+    @Override
+    public List<User> getUserList(UserType type) {
+        return null;
+    }
+
+}