2023-10-26 17:15:49 +08:00
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package base
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import (
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"context"
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"mayfly-go/pkg/contextx"
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"mayfly-go/pkg/gormx"
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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repo接口
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type Repo[T model.ModelI] interface {
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// GetModel 获取表的模型实例
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GetModel() T
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// 新增一个实体
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Insert(ctx context.Context, e T) error
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// 使用指定gorm db执行,主要用于事务执行
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InsertWithDb(ctx context.Context, db *gorm.DB, e T) error
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// 批量新增实体
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BatchInsert(ctx context.Context, models []T) error
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// 使用指定gorm db执行,主要用于事务执行
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BatchInsertWithDb(ctx context.Context, db *gorm.DB, models []T) error
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// 根据实体id更新实体信息
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UpdateById(ctx context.Context, e T, columns ...string) error
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// 使用指定gorm db执行,主要用于事务执行
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UpdateByIdWithDb(ctx context.Context, db *gorm.DB, e T, columns ...string) error
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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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Save(ctx context.Context, e T) error
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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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SaveWithDb(ctx context.Context, db *gorm.DB, e T) error
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// 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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// 使用指定gorm db执行,主要用于事务执行
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DeleteByIdWithDb(ctx context.Context, db *gorm.DB, id uint64) error
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// 根据实体条件,更新参数udpateFields指定字段
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Updates(cond any, udpateFields map[string]any) error
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// 根据实体条件删除实体
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DeleteByCond(ctx context.Context, cond any) error
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// 使用指定gorm db执行,主要用于事务执行
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DeleteByCondWithDb(ctx context.Context, db *gorm.DB, cond any) error
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// 根据实体id查询
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GetById(e T, id uint64, cols ...string) error
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// 根据实体id数组查询对应实体列表,并将响应结果映射至list
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GetByIdIn(list any, ids []uint64, orderBy ...string) error
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// 根据实体条件查询实体信息
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GetBy(cond T, cols ...string) error
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// 根据实体条件查询数据映射至listModels
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ListByCond(cond any, listModels any, cols ...string) error
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// 获取满足model中不为空的字段值条件的所有数据.
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//
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// @param list为数组类型 如 var users *[]User,可指定为非model结构体
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// @param cond 条件
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ListByCondOrder(cond any, list any, order ...string) error
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// 根据指定条件统计model表的数量, cond为条件可以为map等
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CountByCond(cond any) int64
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}
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// 基础repo接口
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type RepoImpl[T model.ModelI] struct {
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M T // 模型实例
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}
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func (br *RepoImpl[T]) Insert(ctx context.Context, e T) error {
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if db := contextx.GetDb(ctx); db != nil {
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return br.InsertWithDb(ctx, db, e)
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}
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return gormx.Insert(br.fillBaseInfo(ctx, e))
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}
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func (br *RepoImpl[T]) InsertWithDb(ctx context.Context, db *gorm.DB, e T) error {
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return gormx.InsertWithDb(db, br.fillBaseInfo(ctx, e))
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}
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func (br *RepoImpl[T]) BatchInsert(ctx context.Context, es []T) error {
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if db := contextx.GetDb(ctx); db != nil {
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return br.BatchInsertWithDb(ctx, db, es)
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}
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for _, e := range es {
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br.fillBaseInfo(ctx, e)
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}
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return gormx.BatchInsert[T](es)
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}
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// 使用指定gorm db执行,主要用于事务执行
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2024-01-17 08:37:22 +00:00
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func (br *RepoImpl[T]) BatchInsertWithDb(ctx context.Context, db *gorm.DB, es []T) error {
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for _, e := range es {
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br.fillBaseInfo(ctx, e)
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}
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return gormx.BatchInsertWithDb[T](db, es)
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}
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func (br *RepoImpl[T]) UpdateById(ctx context.Context, e T, columns ...string) error {
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if db := contextx.GetDb(ctx); db != nil {
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return br.UpdateByIdWithDb(ctx, db, e, columns...)
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}
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return gormx.UpdateById(br.fillBaseInfo(ctx, e), columns...)
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}
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func (br *RepoImpl[T]) UpdateByIdWithDb(ctx context.Context, db *gorm.DB, e T, columns ...string) error {
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return gormx.UpdateByIdWithDb(db, br.fillBaseInfo(ctx, e), columns...)
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}
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func (br *RepoImpl[T]) Updates(cond any, udpateFields map[string]any) error {
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return gormx.Updates(br.GetModel(), cond, udpateFields)
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}
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func (br *RepoImpl[T]) Save(ctx context.Context, e T) error {
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if e.IsCreate() {
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return br.Insert(ctx, e)
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}
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return br.UpdateById(ctx, e)
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}
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func (br *RepoImpl[T]) SaveWithDb(ctx context.Context, db *gorm.DB, e T) error {
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if e.IsCreate() {
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return br.InsertWithDb(ctx, db, e)
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}
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return br.UpdateByIdWithDb(ctx, db, e)
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}
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func (br *RepoImpl[T]) DeleteById(ctx context.Context, id uint64) error {
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if db := contextx.GetDb(ctx); db != nil {
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return br.DeleteByIdWithDb(ctx, db, id)
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}
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return gormx.DeleteById(br.GetModel(), id)
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}
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func (br *RepoImpl[T]) DeleteByIdWithDb(ctx context.Context, db *gorm.DB, id uint64) error {
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return gormx.DeleteByCondWithDb(db, br.GetModel(), id)
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}
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func (br *RepoImpl[T]) DeleteByCond(ctx context.Context, cond any) error {
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if db := contextx.GetDb(ctx); db != nil {
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return br.DeleteByCondWithDb(ctx, db, cond)
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}
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return gormx.DeleteByCond(br.GetModel(), cond)
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}
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func (br *RepoImpl[T]) DeleteByCondWithDb(ctx context.Context, db *gorm.DB, cond any) error {
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return gormx.DeleteByCondWithDb(db, br.GetModel(), cond)
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}
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func (br *RepoImpl[T]) GetById(e T, id uint64, cols ...string) error {
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if err := gormx.GetById(e, id, cols...); err != nil {
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return err
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}
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return nil
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}
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func (br *RepoImpl[T]) GetByIdIn(list any, ids []uint64, orderBy ...string) error {
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return gormx.GetByIdIn(br.GetModel(), list, ids, orderBy...)
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}
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func (br *RepoImpl[T]) GetBy(cond T, cols ...string) error {
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return gormx.GetBy(cond, cols...)
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}
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func (br *RepoImpl[T]) ListByCond(cond any, listModels any, cols ...string) error {
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return gormx.ListByCond(br.GetModel(), cond, listModels, cols...)
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}
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func (br *RepoImpl[T]) ListByCondOrder(cond any, list any, order ...string) error {
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return gormx.ListByCondOrder(br.GetModel(), cond, list, order...)
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}
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func (br *RepoImpl[T]) CountByCond(cond any) int64 {
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return gormx.CountByCond(br.GetModel(), cond)
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}
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2023-12-27 22:59:20 +08:00
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// GetModel 获取表的模型实例
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func (br *RepoImpl[T]) GetModel() T {
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return br.M
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}
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// 从上下文获取登录账号信息,并赋值至实体
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func (br *RepoImpl[T]) fillBaseInfo(ctx context.Context, e T) T {
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if la := contextx.GetLoginAccount(ctx); la != nil {
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// 默认使用数据库id策略, 若要改变则实体结构体自行覆盖FillBaseInfo方法。可参考 sys/entity.Resource
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e.FillBaseInfo(model.IdGenTypeNone, la)
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}
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return e
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}
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