53 lines
1.7 KiB
Go
53 lines
1.7 KiB
Go
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package model
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import (
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"context"
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"database/sql"
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"fmt"
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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 _ DeductionsModel = (*customDeductionsModel)(nil)
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type (
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// DeductionsModel is an interface to be customized, add more methods here,
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// and implement the added methods in customDeductionsModel.
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DeductionsModel interface {
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deductionsModel
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InsertDeductionsTrans(ctx context.Context, deductions *Deductions, session sqlx.Session) (sql.Result, error)
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}
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customDeductionsModel struct {
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*defaultDeductionsModel
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}
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)
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// NewDeductionsModel returns a model for the database table.
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func NewDeductionsModel(conn sqlx.SqlConn, c cache.CacheConf, opts ...cache.Option) DeductionsModel {
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return &customDeductionsModel{
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defaultDeductionsModel: newDeductionsModel(conn, c, opts...),
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}
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}
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func (m *customDeductionsModel) InsertDeductionsTrans(ctx context.Context, deductions *Deductions, session sqlx.Session) (sql.Result, error) {
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query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (?, ?, ?)", m.table, deductionsRowsExpectAutoSet)
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ret, err := session.ExecCtx(ctx, query, deductions.UserId, deductions.Amount, deductions.TransactionId)
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if err != nil {
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return nil, err
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}
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deductionsTransactionIdKey := fmt.Sprintf("%s%v", cacheDeductionsTransactionIdPrefix, deductions.TransactionId)
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// 2. 更新缓存，保证所有缓存操作成功
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cacheKeys := []string{deductionsTransactionIdKey}
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cacheErrors := make([]error, len(cacheKeys))
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cacheErrors[0] = m.DelCacheCtx(ctx, deductionsTransactionIdKey)
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// 3. 检查缓存操作是否全部成功
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for _, cacheErr := range cacheErrors {
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if cacheErr != nil {
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return nil, cacheErr // 返回第一个缓存更新失败的错误
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}
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}
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return ret, err
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}
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