[Developer] #424 add user and permission management

Refs #424

src/main/java/com/cloudhandson/vpdbackoffice/service/UserService.java

@@ -0,0 +1,64 @@
+package com.cloudhandson.vpdbackoffice.service;
+
+import com.cloudhandson.vpdbackoffice.domain.audit.AuditEvent;
+import com.cloudhandson.vpdbackoffice.domain.user.AppUser;
+import com.cloudhandson.vpdbackoffice.domain.user.UserCreateCommand;
+import com.cloudhandson.vpdbackoffice.domain.user.UserRoleView;
+import com.cloudhandson.vpdbackoffice.mapper.UserMapper;
+import java.util.List;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+public class UserService {
+
+  private final UserMapper userMapper;
+  private final AuditService auditService;
+
+  public UserService(UserMapper userMapper, AuditService auditService) {
+    this.userMapper = userMapper;
+    this.auditService = auditService;
+  }
+
+  public List<AppUser> findAll() {
+    return userMapper.findAll();
+  }
+
+  public List<UserRoleView> findUserRoles() {
+    return userMapper.findUserRoles();
+  }
+
+  @Transactional
+  public void createUser(UserCreateCommand command) {
+    long userId = userMapper.nextUserId();
+    userMapper.insertUser(userId, command);
+    auditService.record(new AuditEvent("USER_CREATED", null, null, "SUCCESS", null, null, command.username()));
+  }
+
+  @Transactional
+  public void setActive(long userId, boolean active) {
+    int updated = userMapper.updateActive(userId, active ? "Y" : "N");
+    if (updated == 0) {
+      throw new AppException("사용자를 찾을 수 없습니다.");
+    }
+    auditService.record(new AuditEvent("USER_ACTIVE_CHANGED", null, null, "SUCCESS", null, null,
+        "userId=" + userId + ",active=" + active));
+  }
+
+  @Transactional
+  public void grantRole(long userId, long roleId) {
+    userMapper.insertUserRole(userId, roleId);
+    auditService.record(new AuditEvent("USER_ROLE_GRANTED", null, null, "SUCCESS", null, null,
+        "userId=" + userId + ",roleId=" + roleId));
+  }
+
+  @Transactional
+  public void revokeRole(long userId, long roleId) {
+    int deleted = userMapper.deleteUserRole(userId, roleId);
+    if (deleted == 0) {
+      throw new AppException("삭제할 사용자 역할 매핑을 찾을 수 없습니다.");
+    }
+    auditService.record(new AuditEvent("USER_ROLE_REVOKED", null, null, "SUCCESS", null, null,
+        "userId=" + userId + ",roleId=" + roleId));
+  }
+}