2023-04-18 18:25:39 +08:00
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// Package database ...
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2022-05-15 11:27:28 +08:00
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:04 下午 2021/8/8
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2023-04-18 18:25:39 +08:00
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package database
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2022-05-15 11:27:28 +08:00
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2022-05-15 18:04:06 +08:00
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import (
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2022-12-24 21:37:08 +08:00
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"errors"
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2024-08-23 17:54:48 +08:00
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"git.zhangdeman.cn/zhangdeman/database/define"
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2023-02-09 11:51:55 +08:00
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2022-05-15 18:04:06 +08:00
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"gorm.io/gorm"
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)
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2022-05-15 11:27:28 +08:00
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2023-02-09 14:21:26 +08:00
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// BaseDao 基础dao层
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 14:13 2023/2/9
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2022-05-15 11:27:28 +08:00
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type BaseDao struct {
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2023-04-06 22:12:35 +08:00
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TableName string // 继承BaseDao,需要指定表名,后续调用不用传递表名进来,如果分表了,使用SetOption设置表名, 这里的优先级更高
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2022-05-15 11:27:28 +08:00
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}
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2022-05-15 18:30:08 +08:00
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// Create 创建新的数据
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2022-05-15 11:27:28 +08:00
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:06 下午 2021/8/8
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) Create(dbInstance *gorm.DB, data any, optionList ...define.SetOption) error {
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o := &define.Option{}
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2023-04-06 22:12:35 +08:00
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for _, itemFunc := range optionList {
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itemFunc(o)
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}
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tableName := b.TableName
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if len(o.Table) > 0 {
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tableName = o.Table
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}
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return dbInstance.Table(tableName).Create(data).Error
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2022-05-15 11:27:28 +08:00
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}
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2022-05-15 18:30:08 +08:00
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// Update 更新数据
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2022-05-15 11:27:28 +08:00
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:12 下午 2021/8/8
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) Update(dbInstance *gorm.DB, updateData any, optionFuncList ...define.SetOption) (int64, error) {
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2023-02-09 14:21:26 +08:00
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dbInstance = b.setTxCondition(dbInstance, optionFuncList...)
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2023-10-13 22:16:48 +08:00
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r := dbInstance.Updates(updateData)
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2022-06-28 23:41:50 +08:00
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return r.RowsAffected, r.Error
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2022-05-15 11:27:28 +08:00
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}
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2024-01-13 17:08:47 +08:00
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// UpdateOne 更新一条数据
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:05 2024/1/13
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) UpdateOne(dbInstance *gorm.DB, updateData any, optionFuncList ...define.SetOption) (int64, error) {
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2024-01-13 17:08:47 +08:00
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optionFuncList = append(optionFuncList, WithLimit(1, 0))
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return b.Update(dbInstance, updateData, optionFuncList...)
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}
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2022-05-15 18:30:08 +08:00
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// List 查询数据列表
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2022-05-15 11:27:28 +08:00
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:14 下午 2021/8/8
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) List(dbInstance *gorm.DB, result any, optionFuncList ...define.SetOption) error {
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2023-02-09 14:21:26 +08:00
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dbInstance = b.setTxCondition(dbInstance, optionFuncList...)
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2023-03-22 21:02:24 +08:00
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return dbInstance.Find(result).Error
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2022-05-15 11:27:28 +08:00
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}
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2023-02-09 11:51:55 +08:00
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// Delete 删除数据, 硬删除, 对应 delete语句
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 11:46 2023/2/9
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) Delete(dbInstance *gorm.DB, dataModel any, optionFuncList ...define.SetOption) (int64, error) {
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2024-01-15 15:30:15 +08:00
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dbInstance = dbInstance.Model(dataModel)
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2023-03-22 21:02:24 +08:00
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dbInstance = b.setTxCondition(dbInstance, optionFuncList...).Delete(dataModel)
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2023-03-19 12:46:22 +08:00
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return dbInstance.RowsAffected, dbInstance.Error
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2023-02-09 11:51:55 +08:00
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}
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2022-05-15 11:27:28 +08:00
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// Detail 查询详情
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:25 下午 2021/8/8
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) Detail(dbInstance *gorm.DB, result any, optionFuncList ...define.SetOption) error {
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2023-02-09 14:21:26 +08:00
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dbInstance = b.setTxCondition(dbInstance, optionFuncList...)
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2023-03-22 21:02:24 +08:00
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return dbInstance.First(result).Error
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2022-05-15 11:27:28 +08:00
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}
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2023-10-15 14:15:03 +08:00
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// DetailByPrimaryID ...
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 14:14 2023/10/15
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2024-08-09 17:17:20 +08:00
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func (b *BaseDao) DetailByPrimaryID(dbInstance *gorm.DB, result any, primaryID any, primaryKey ...string) error {
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2023-10-15 14:15:03 +08:00
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primaryKeyField := "id"
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if len(primaryKey) > 0 {
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primaryKeyField = primaryKey[0]
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}
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2024-08-09 17:17:20 +08:00
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return b.Detail(dbInstance, result, WithWhere(map[string]any{
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2023-10-15 14:15:03 +08:00
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primaryKeyField: primaryID,
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}))
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}
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2023-02-23 15:59:09 +08:00
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// IsNotFound 增加结果是否为数据不存在的判断
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 15:57 2023/2/23
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func (b *BaseDao) IsNotFound(err error) bool {
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2023-10-14 15:14:05 +08:00
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return errors.Is(err, gorm.ErrRecordNotFound)
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2023-02-23 15:59:09 +08:00
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}
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2022-05-15 11:27:28 +08:00
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// Count 查询数量
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 8:25 下午 2021/8/8
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) Count(dbInstance *gorm.DB, optionFuncList ...define.SetOption) (int64, error) {
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2023-02-09 14:21:26 +08:00
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dbInstance = b.setTxCondition(dbInstance, optionFuncList...)
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2022-05-15 11:27:28 +08:00
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var cnt int64
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2023-03-22 21:02:24 +08:00
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return cnt, dbInstance.Count(&cnt).Error
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2022-05-15 11:27:28 +08:00
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}
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2022-12-24 21:37:08 +08:00
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// Tx 执行事务
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 20:31 2022/12/24
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func (b *BaseDao) Tx(dbInstance *gorm.DB, txFunc func(dbInstance *gorm.DB) error) error {
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if nil == dbInstance {
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return errors.New("db instance is null")
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}
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tx := b.Begin(dbInstance)
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if err := txFunc(tx); nil != err {
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_ = b.Rollback(tx)
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return err
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}
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return b.Commit(tx)
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}
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2022-05-15 11:27:28 +08:00
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// Begin 开启事务
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 3:09 下午 2021/8/9
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func (b *BaseDao) Begin(dbInstance *gorm.DB) *gorm.DB {
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return dbInstance.Begin()
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}
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// Commit 提交事务
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 3:10 下午 2021/8/9
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func (b *BaseDao) Commit(db *gorm.DB) error {
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return db.Commit().Error
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}
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// Rollback 回滚
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 3:12 下午 2021/8/9
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func (b *BaseDao) Rollback(db *gorm.DB) error {
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return db.Rollback().Error
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}
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2022-05-15 18:04:06 +08:00
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// setTxCondition 设置查询条件
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 17:38 2022/5/15
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2024-08-23 17:54:48 +08:00
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func (b *BaseDao) setTxCondition(tx *gorm.DB, optionFuncList ...define.SetOption) *gorm.DB {
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2022-05-15 18:04:06 +08:00
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// 构建查询条件
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2024-08-23 17:54:48 +08:00
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o := &define.Option{}
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2022-05-15 18:04:06 +08:00
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for _, fn := range optionFuncList {
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fn(o)
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}
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2023-03-22 21:02:24 +08:00
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// 指定查询的表
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if len(o.Table) > 0 {
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2023-10-08 21:36:39 +08:00
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tx = tx.Table(o.Table)
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2023-03-22 21:02:24 +08:00
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} else {
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tx = tx.Table(b.TableName)
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}
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2024-01-15 15:20:27 +08:00
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if nil != o.Model {
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tx = tx.Model(o.Model)
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}
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2022-05-15 18:04:06 +08:00
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// 设置 limit offset
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if o.Limit > 0 {
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2022-07-19 12:17:26 +08:00
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tx = tx.Limit(o.Limit)
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2024-05-08 14:36:30 +08:00
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if o.Offset >= 0 {
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tx = tx.Offset(o.Offset)
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}
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2022-05-15 18:04:06 +08:00
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}
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2024-08-23 16:17:49 +08:00
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// in 语句
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if nil != o.In {
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tx = tx.Where(o.In)
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}
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// not in 语句
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if nil != o.NotIn {
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for field, value := range o.NotIn {
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tx = tx.Where(field+" NOT IN ? ", value)
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}
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}
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// like 语句
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if nil != o.Like {
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for field, value := range o.Like {
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tx = tx.Where(field+" LIKE ? ", "%"+value+"%")
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}
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}
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// NOT LIKE 语句
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if nil != o.NotLike {
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for field, value := range o.NotLike {
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tx = tx.Where(field+" NOT LIKE ? ", "%"+value+"%")
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}
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}
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// >=
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if nil != o.Start {
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for field, value := range o.Start {
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tx = tx.Where(field+" >= ?", value)
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}
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}
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// <
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if nil != o.End {
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for field, value := range o.End {
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tx = tx.Where(field+" < ?", value)
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}
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}
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// between
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for field, betweenVal := range o.Between {
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tx = tx.Where("`"+field+"` BETWEEN ? AND ?", betweenVal[0], betweenVal[1])
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}
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// not between
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for field, notBetweenVal := range o.NotBetween {
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tx = tx.Where("`"+field+"` NOT BETWEEN ? AND ?", notBetweenVal[0], notBetweenVal[1])
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}
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// 排序
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for _, orderRule := range o.Order {
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tx = tx.Order(orderRule)
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}
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// or 语句
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if nil != o.OR {
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for _, itemOr := range o.OR {
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2024-08-23 17:54:48 +08:00
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orOption := &define.Option{}
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2024-08-23 16:17:49 +08:00
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for _, fn := range itemOr {
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fn(orOption)
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}
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orSql, orBindVal := optionToSql(orOption)
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tx.Or(orSql, orBindVal)
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}
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}
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/*sqlBlockList := make([]string, 0)
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2024-08-09 18:26:30 +08:00
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bindValueList := make([]any, 0)
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sql, bindVal := optionToSql(o)
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tx.Or(sql, bindVal...)
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|
sqlBlockList = append(sqlBlockList, sql)
|
|
|
|
|
bindValueList = append(bindValueList, bindVal)
|
|
|
|
|
for _, itemOrFuncList := range o.OR {
|
|
|
|
|
orOption := &Option{}
|
|
|
|
|
for _, fn := range itemOrFuncList {
|
|
|
|
|
fn(orOption)
|
2022-05-15 18:04:06 +08:00
|
|
|
|
}
|
2024-08-09 18:26:30 +08:00
|
|
|
|
orSql, orBindVal := optionToSql(orOption)
|
|
|
|
|
tx.Or(orSql, orBindVal...)
|
2024-08-23 16:17:49 +08:00
|
|
|
|
}*/
|
2022-07-19 12:17:26 +08:00
|
|
|
|
return tx
|
2022-05-15 18:04:06 +08:00
|
|
|
|
}
|