66 lines
2.2 KiB
Go
66 lines
2.2 KiB
Go
package model
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import (
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"context"
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"fmt"
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"github.com/pkg/errors"
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"github.com/zeromicro/go-zero/core/stores/cache"
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"github.com/zeromicro/go-zero/core/stores/sqlx"
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)
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var _ AgentModel = (*customAgentModel)(nil)
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type (
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// AgentModel is an interface to be customized, add more methods here,
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// and implement the added methods in customAgentModel.
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AgentModel interface {
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agentModel
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// UpdateInTransaction 在事务中更新刚插入的记录,避免 UpdateWithVersion 中的 FindOne 缓存问题
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UpdateInTransaction(ctx context.Context, session sqlx.Session, data *Agent) error
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}
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customAgentModel struct {
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*defaultAgentModel
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}
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)
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// NewAgentModel returns a model for the database table.
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func NewAgentModel(conn sqlx.SqlConn, c cache.CacheConf) AgentModel {
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return &customAgentModel{
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defaultAgentModel: newAgentModel(conn, c),
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}
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}
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// UpdateInTransaction 在事务中更新刚插入的记录,避免 UpdateWithVersion 中的 FindOne 缓存问题
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// 注意:此方法假设记录刚插入,version 为 0,更新后 version 为 1
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func (m *customAgentModel) UpdateInTransaction(ctx context.Context, session sqlx.Session, data *Agent) error {
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if session == nil {
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return errors.New("session is required for UpdateInTransaction")
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}
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// 直接执行 SQL UPDATE,避免 FindOne 的缓存问题
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// 字段顺序:user_id, level, region, mobile, wechat_id, team_leader_id, delete_time, del_state, version
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query := fmt.Sprintf("update %s set `user_id`=?, `level`=?, `region`=?, `mobile`=?, `wechat_id`=?, `team_leader_id`=?, `delete_time`=?, `del_state`=?, `version`=? where `id`=? and `version`=?", m.table)
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// 确保 version 从 0 增加到 1
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oldVersion := data.Version
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data.Version = oldVersion + 1
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result, err := session.ExecCtx(ctx, query, data.UserId, data.Level, data.Region, data.Mobile, data.WechatId, data.TeamLeaderId, data.DeleteTime, data.DelState, data.Version, data.Id, oldVersion)
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if err != nil {
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return errors.Wrapf(err, "UpdateInTransaction failed")
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return errors.Wrapf(err, "UpdateInTransaction failed to get rows affected")
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}
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if rowsAffected == 0 {
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return errors.Wrapf(ErrNoRowsUpdate, "UpdateInTransaction: no rows updated, version may not match")
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}
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return nil
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}
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