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								package base
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								import (
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									"context"
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									"fmt"
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									"mayfly-go/pkg/contextx"
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									"mayfly-go/pkg/global"
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									"mayfly-go/pkg/model"
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									"gorm.io/gorm"
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								)
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								// 基础application接口
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								type App[T model.ModelI] interface {
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									// Insert 新增一个实体
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									Insert(ctx context.Context, e T) error
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									// BatchInsert 批量新增实体
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									BatchInsert(ctx context.Context, models []T) error
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									// UpdateById 根据实体id更新实体信息
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									UpdateById(ctx context.Context, e T) error
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									// UpdateByCond 更新满足条件的数据
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									// @param values 需为模型结构体指针或map(更新零值等)
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									// @param cond 可为*model.QueryCond也可以为普通查询model
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									UpdateByCond(ctx context.Context, values any, cond any) error
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									// DeleteById 根据实体主键删除实体
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									DeleteById(ctx context.Context, id ...uint64) error
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									// DeleteByCond 根据条件进行删除
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									DeleteByCond(ctx context.Context, cond any) error
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									// Save 保存实体,实体IsCreate返回true则新增,否则更新
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									Save(ctx context.Context, e T) error
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									// GetById 根据实体id查询
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									GetById(e T, id uint64, cols ...string) (T, error)
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									// GetByIds 根据实体id数组查询
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									GetByIds(list any, ids []uint64, orderBy ...string) error
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									// GetByCond 根据实体条件查询实体信息(获取单个实体)
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									GetByCond(cond any) error
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									// ListByCond 根据条件查询数据映射至res
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									ListByCond(cond any, res any) error
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									// PageByCond 分页查询
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									PageByCond(cond any, pageParam *model.PageParam, toModels any) (*model.PageResult[any], error)
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									// CountByCond 根据指定条件统计model表的数量
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									CountByCond(cond any) int64
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									// Tx 执行事务操作
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									Tx(ctx context.Context, funcs ...func(context.Context) error) (err error)
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								}
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								// 基础application接口实现
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								type AppImpl[T model.ModelI, R Repo[T]] struct {
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									Repo R // repo接口
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								}
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								// 获取repo
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								func (ai *AppImpl[T, R]) GetRepo() R {
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									return ai.Repo
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								}
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								// 新增一个实体 (单纯新增,不做其他业务逻辑处理)
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								func (ai *AppImpl[T, R]) Insert(ctx context.Context, e T) error {
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									return ai.GetRepo().Insert(ctx, e)
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								}
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								// 批量新增实体 (单纯新增,不做其他业务逻辑处理)
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								func (ai *AppImpl[T, R]) BatchInsert(ctx context.Context, es []T) error {
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									return ai.GetRepo().BatchInsert(ctx, es)
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								}
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								// 根据实体id更新实体信息 (单纯更新,不做其他业务逻辑处理)
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								func (ai *AppImpl[T, R]) UpdateById(ctx context.Context, e T) error {
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									return ai.GetRepo().UpdateById(ctx, e)
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								}
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								// UpdateByCond 更新满足条件的数据
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								// @param values 需为模型结构体指针或map(更新零值等)
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								// @param cond 可为*model.QueryCond也可以为普通查询model
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								func (ai *AppImpl[T, R]) UpdateByCond(ctx context.Context, values any, cond any) error {
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									return ai.GetRepo().UpdateByCond(ctx, values, cond)
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								}
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								// 保存实体,实体IsCreate返回true则新增,否则更新
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								func (ai *AppImpl[T, R]) Save(ctx context.Context, e T) error {
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									return ai.GetRepo().Save(ctx, e)
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								}
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								// 保存实体,实体IsCreate返回true则新增,否则更新。
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								// 使用指定gorm db执行,主要用于事务执行
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								func (ai *AppImpl[T, R]) SaveWithDb(ctx context.Context, db *gorm.DB, e T) error {
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									return ai.GetRepo().SaveWithDb(ctx, db, e)
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								}
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											2023-10-26 17:15:49 +08:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								// 根据实体主键删除实体 (单纯删除实体,不做其他业务逻辑处理)
							 | 
						
					
						
							
								
									
										
										
										
											2024-04-29 12:29:56 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) DeleteById(ctx context.Context, id ...uint64) error {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									return ai.GetRepo().DeleteById(ctx, id...)
							 | 
						
					
						
							
								
									
										
										
										
											2023-10-26 17:15:49 +08:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								// 根据指定条件删除实体 (单纯删除实体,不做其他业务逻辑处理)
							 | 
						
					
						
							
								
									
										
										
										
											2023-11-07 21:05:21 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) DeleteByCond(ctx context.Context, cond any) error {
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							| 
								
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							 | 
							
								
									
								 | 
							
							
									return ai.GetRepo().DeleteByCond(ctx, cond)
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											2023-10-26 17:15:49 +08:00
										 
									 
								 
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								 | 
							
							
								}
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								 | 
							
							
								// 根据实体id查询
							 | 
						
					
						
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								 | 
							
							
								func (ai *AppImpl[T, R]) GetById(e T, id uint64, cols ...string) (T, error) {
							 | 
						
					
						
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							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									if err := ai.GetRepo().GetById(e, id, cols...); err != nil {
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								 | 
							
							
										return e, err
							 | 
						
					
						
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								 | 
							
							
									}
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								 | 
							
							
									return e, nil
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								 | 
							
							
								}
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								 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2024-04-29 12:29:56 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) GetByIds(list any, ids []uint64, orderBy ...string) error {
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							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									return ai.GetRepo().GetByIds(list, ids, orderBy...)
							 | 
						
					
						
							
								
									
										
										
										
											2023-10-26 17:15:49 +08:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
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							 | 
							
								
									
								 | 
							
							
								
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							| 
								
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								 | 
							
							
								// 根据实体条件查询实体信息
							 | 
						
					
						
							
								
									
										
										
										
											2024-04-28 23:45:57 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) GetByCond(cond any) error {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									return ai.GetRepo().GetByCond(cond)
							 | 
						
					
						
							
								
									
										
										
										
											2024-04-12 17:07:28 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2024-04-28 23:45:57 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) ListByCond(cond any, res any) error {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									return ai.GetRepo().SelectByCond(cond, res)
							 | 
						
					
						
							
								
									
										
										
										
											2024-04-09 12:55:51 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							
								
									
										
										
										
											2024-04-28 23:45:57 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								// PageByCond 分页查询
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) PageByCond(cond any, pageParam *model.PageParam, toModels any) (*model.PageResult[any], error) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									return ai.GetRepo().PageByCond(cond, pageParam, toModels)
							 | 
						
					
						
							
								
									
										
										
										
											2023-10-26 17:15:49 +08:00
										 
									 
								 
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								// 根据指定条件统计model表的数量, cond为条件可以为map等
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) CountByCond(cond any) int64 {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									return ai.GetRepo().CountByCond(cond)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 | 
						
					
						
							
								
									
										
										
										
											2023-12-05 23:03:51 +08:00
										 
									 
								 
							 | 
							
								
									
										
									
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								// 执行事务操作
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								func (ai *AppImpl[T, R]) Tx(ctx context.Context, funcs ...func(context.Context) error) (err error) {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									tx := global.Db.Begin()
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									dbCtx := contextx.WithDb(ctx, tx)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									defer func() {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										// 移除当前已执行完成的的数据库事务实例
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										contextx.RmDb(ctx)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										if r := recover(); r != nil {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
											tx.Rollback()
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
											err = fmt.Errorf("%v", err)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									}()
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									for _, f := range funcs {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										err = f(dbCtx)
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										if err != nil {
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
											tx.Rollback()
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
											return
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
										}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									}
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									err = tx.Commit().Error
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
									return
							 | 
						
					
						
							| 
								
							 | 
							
								
							 | 
							
								
							 | 
							
								
									
								 | 
							
							
								}
							 |