48 lines
1.7 KiB
Go
48 lines
1.7 KiB
Go
// Package database define database operation functions
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package database
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import (
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"context"
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"fmt"
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"time"
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"modelRT/constant"
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"modelRT/network"
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"modelRT/orm"
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"gorm.io/gorm"
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)
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// UpdateTopologicIntoDB define update topologic info of the circuit diagram query by pageID and topologic info
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func UpdateTopologicIntoDB(ctx context.Context, tx *gorm.DB, pageID int64, changeInfo network.TopologicUUIDChangeInfos) error {
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var result *gorm.DB
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cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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switch changeInfo.ChangeType {
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case constant.UUIDFromChangeType:
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result = tx.WithContext(cancelCtx).Model(orm.Topologic{}).Where("page_id = ? nad uuid_from = ? and uuid_to = ?", pageID, changeInfo.OldUUIDFrom, changeInfo.OldUUIDTo).Updates(orm.Topologic{UUIDFrom: changeInfo.NewUUIDFrom})
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case constant.UUIDToChangeType:
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result = tx.WithContext(cancelCtx).Model(orm.Topologic{}).Where("page_id = ? nad uuid_from = ? and uuid_to = ?", pageID, changeInfo.OldUUIDFrom, changeInfo.OldUUIDTo).Updates(orm.Topologic{UUIDTo: changeInfo.NewUUIDTo})
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if result.Error != nil || result.RowsAffected == 0 {
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return fmt.Errorf("insert new topologic link failed:%w", result.Error)
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}
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case constant.UUIDAddChangeType:
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topologic := orm.Topologic{
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PageID: pageID,
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Flag: changeInfo.Flag,
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UUIDFrom: changeInfo.NewUUIDFrom,
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UUIDTo: changeInfo.OldUUIDFrom,
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Comment: changeInfo.Comment,
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}
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result = tx.WithContext(cancelCtx).Create(&topologic)
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}
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// TODO 测试下RowsAffected==0时候，result.Error是否有值,是否会带来空指针问题
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if result.Error != nil || result.RowsAffected == 0 {
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return fmt.Errorf("insert or update topologic link failed:%w", result.Error)
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}
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return nil
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}
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