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feat(eventstore): Precondition (#69)

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* start org

* refactor(eventstore): filter in sql for querier

* feat(eventstore): Aggregate precondition

preconditions are checked right before insert. Insert is still transaction save

* feat(eventstore): check preconditions in repository

* test(eventstore): test precondition in models

* test(eventstore): precondition-tests

* refactor(eventstore): querier as type

* fix(precondition): rename validation from precondition to validation

* test(eventstore): isErr func instead of wantErr bool

* fix: delete org files

* remove comment

Co-authored-by: Livio Amstutz <livio.a@gmail.com>
This commit is contained in:
Silvan
2020-04-28 16:01:00 +02:00
committed by GitHub
parent ff11cdba40
commit 33a4802425
10 changed files with 451 additions and 133 deletions
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19
internal/eventstore/sdk/sdk.go
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@@ -22,12 +22,13 @@ func Filter(ctx context.Context, filter filterFunc, appender appendFunc, query *
return errors.ThrowNotFound(nil, "EVENT-8due3", "no events found")
}
err = appender(events...)
if err != nil{
if err != nil {
return ThrowAppendEventError(err, "SDK-awiWK", "appender failed")
}
return nil
}
// Push is Deprecated use PushAggregates
// Push creates the aggregates from aggregater
// and pushes the aggregates to the given pushFunc
// the given events are appended by the appender
@@ -45,7 +46,19 @@ func Push(ctx context.Context, push pushFunc, appender appendFunc, aggregaters .
if err != nil {
return err
}
return appendAggregates(appender, aggregates)
}
func PushAggregates(ctx context.Context, push pushFunc, appender appendFunc, aggregates ...*models.Aggregate) (err error) {
if len(aggregates) < 1 {
return errors.ThrowPreconditionFailed(nil, "SDK-q9wjp", "no aggregaters passed")
}
err = push(ctx, aggregates...)
if err != nil {
return err
}
return appendAggregates(appender, aggregates)
}
@@ -69,4 +82,4 @@ func makeAggregates(ctx context.Context, aggregaters []aggregateFunc) (aggregate
}
}
return aggregates, nil
}
}