/
service.go
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/
service.go
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// Licensed to The Moov Authors under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. The Moov Authors licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package events
import (
"context"
"errors"
"fmt"
"sync"
"github.com/moov-io/ach"
"github.com/moov-io/achgateway/internal/service"
"github.com/moov-io/achgateway/pkg/compliance"
"github.com/moov-io/achgateway/pkg/models"
"github.com/moov-io/base/log"
)
type Emitter interface {
Send(ctx context.Context, evt models.Event) error
}
func NewEmitter(logger log.Logger, cfg *service.EventsConfig) (Emitter, error) {
if cfg == nil {
return &MockEmitter{}, nil
}
if cfg.Stream != nil {
return newStreamService(logger, cfg.Transform, cfg.Stream)
}
if cfg.Webhook != nil {
return newWebhookService(logger, cfg.Transform, cfg.Webhook)
}
return nil, errors.New("unknown events config")
}
type MockEmitter struct {
mu sync.Mutex
sent []models.Event
}
func (e *MockEmitter) Send(_ context.Context, evt models.Event) error {
e.mu.Lock()
defer e.mu.Unlock()
// Compute the full cycle of events like real implementations do
bs, err := compliance.Protect(nil, evt)
if err != nil {
return fmt.Errorf("mock emitter - protect: %w", err)
}
bs, err = compliance.Reveal(nil, bs)
if err != nil {
return fmt.Errorf("mock emitter - reveal: %w", err)
}
var validateOpts *ach.ValidateOpts
switch event := evt.Event.(type) {
case models.ReconciliationEntry:
validateOpts = &ach.ValidateOpts{
AllowMissingFileControl: true,
AllowMissingFileHeader: true,
AllowUnorderedBatchNumbers: true,
}
case models.ReconciliationFile:
validateOpts = event.File.GetValidation()
}
found, err := models.ReadWithOpts(bs, validateOpts)
if err != nil {
return fmt.Errorf("mock emitter - read: %w", err)
}
if found != nil {
e.sent = append(e.sent, *found)
}
return nil
}
func (e *MockEmitter) Sent() []models.Event {
e.mu.Lock()
defer e.mu.Unlock()
out := make([]models.Event, len(e.sent))
copy(out, e.sent)
return out
}