xm
2024-06-14 722af26bc6fec32bb289b1df51a9016a4935610f
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
package com.dl.framework.handler;
 
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.http.HttpStatus;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.dl.common.core.domain.BaseEntity;
import com.dl.common.core.domain.BaseNewEntity;
import com.dl.common.core.domain.model.LoginUser;
import com.dl.common.exception.ServiceException;
import com.dl.common.helper.LoginHelper;
import com.dl.common.utils.StringUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;
 
import java.util.Date;
import java.util.Objects;
 
/**
 * MP注入处理器
 *
 * @author Lion Li
 * @date 2021/4/25
 */
@Slf4j
public class CreateAndUpdateMetaObjectHandler implements MetaObjectHandler {
 
    @Override
    public void insertFill(MetaObject metaObject) {
        try {
            if (ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseEntity) {
                BaseEntity baseEntity = (BaseEntity) metaObject.getOriginalObject();
                Date current = ObjectUtil.isNotNull(baseEntity.getCreateTime())
                    ? baseEntity.getCreateTime() : new Date();
                baseEntity.setCreateTime(current);
                baseEntity.setUpdateTime(current);
                String username = StringUtils.isNotBlank(baseEntity.getCreateBy())
                    ? baseEntity.getCreateBy() : getLoginUsername();
                // 当前已登录 且 创建人为空 则填充
                baseEntity.setCreateBy(username);
                // 当前已登录 且 更新人为空 则填充
                baseEntity.setUpdateBy(username);
            }
            if(ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseNewEntity){
                BaseNewEntity baseNewEntity = (BaseNewEntity) metaObject.getOriginalObject();
                Date currentDate = ObjectUtil.isNotNull(baseNewEntity.getCreatedDateTime())
                    ? baseNewEntity.getCreatedDateTime() : new Date();
                baseNewEntity.setCreatedDateTime(currentDate);
                baseNewEntity.setLastUpdatedDateTime(currentDate);
                String usernameCreate = StringUtils.isNotBlank(baseNewEntity.getCreatedUserName())
                    ? baseNewEntity.getCreatedUserName() : getLoginUser().getUsername();
                baseNewEntity.setCreatedUserName(usernameCreate);
                baseNewEntity.setCreatedUserId(Objects.requireNonNull(getLoginUser()).getUserId());
                baseNewEntity.setLastUpdatedUserId(Objects.requireNonNull(getLoginUser()).getUserId());
 
            }
 
 
        } catch (Exception e) {
            throw new ServiceException("自动注入异常 => " + e.getMessage(), HttpStatus.HTTP_UNAUTHORIZED);
        }
    }
 
    @Override
    public void updateFill(MetaObject metaObject) {
        try {
            if (ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseEntity) {
                BaseEntity baseEntity = (BaseEntity) metaObject.getOriginalObject();
                Date current = new Date();
                // 更新时间填充(不管为不为空)
                baseEntity.setUpdateTime(current);
 
                String username = getLoginUsername();
                // 当前已登录 更新人填充(不管为不为空)
                if (StringUtils.isNotBlank(username)) {
                    baseEntity.setUpdateBy(username);
                }
            }
 
            if(ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseNewEntity){
                BaseNewEntity baseNewEntity = (BaseNewEntity) metaObject.getOriginalObject();
                Date current = new Date();
                baseNewEntity.setLastUpdatedDateTime(current);
                String username = getLoginUsername();
                if (StringUtils.isNotBlank(username)) {
                    baseNewEntity.setLastUpdatedUserName(username);
                    baseNewEntity.setLastUpdatedUserId(getLoginUser().getUserId());
                }
            }
 
        } catch (Exception e) {
            throw new ServiceException("自动注入异常 => " + e.getMessage(), HttpStatus.HTTP_UNAUTHORIZED);
        }
    }
 
    /**
     * 获取登录用户名
     */
    private String getLoginUsername() {
        LoginUser loginUser;
        try {
            loginUser = LoginHelper.getLoginUser();
        } catch (Exception e) {
            log.warn("自动注入警告 => 用户未登录");
            return null;
        }
        return ObjectUtil.isNotNull(loginUser) ? loginUser.getUsername() : null;
    }
 
    /**
     * 获取登录用户信息
     */
    private LoginUser getLoginUser() {
        LoginUser loginUser;
        try {
            loginUser = LoginHelper.getLoginUser();
        } catch (Exception e) {
            log.warn("自动注入警告 => 用户未登录");
            return null;
        }
        return ObjectUtil.isNotNull(loginUser) ? loginUser : new LoginUser();
    }
 
}