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40 lines
1.1 KiB
40 lines
1.1 KiB
package mgm
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import (
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"context"
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"go.mongodb.org/mongo-driver/mongo"
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)
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// TransactionFunc is a handler to manage a transaction.
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type TransactionFunc func(session mongo.Session, sc mongo.SessionContext) error
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// Transaction creates a transaction with the default client.
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func Transaction(f TransactionFunc) error {
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return TransactionWithClient(ctx(), client, f)
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}
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// TransactionWithCtx creates a transaction with the given context and the default client.
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func TransactionWithCtx(ctx context.Context, f TransactionFunc) error {
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return TransactionWithClient(ctx, client, f)
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}
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// TransactionWithClient creates a transaction with the given client.
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func TransactionWithClient(ctx context.Context, client *mongo.Client, f TransactionFunc) error {
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session, err := client.StartSession() //start session need to get options.
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if err != nil {
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return err
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}
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defer session.EndSession(ctx)
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if err = session.StartTransaction(); err != nil { // startTransaction need to get options.
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return err
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}
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wrapperFn := func(sc mongo.SessionContext) error {
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return f(session, sc)
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}
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return mongo.WithSession(ctx, session, wrapperFn)
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}
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