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265 lines (236 loc) · 8.29 KB
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package services
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/NdoleStudio/httpsms/pkg/events"
"github.com/gofiber/fiber/v2"
"github.com/NdoleStudio/httpsms/pkg/entities"
"github.com/NdoleStudio/httpsms/pkg/repositories"
"github.com/NdoleStudio/httpsms/pkg/telemetry"
cloudevents "github.com/cloudevents/sdk-go/v2"
"github.com/palantir/stacktrace"
)
// Integration3CXService is responsible for handling webhooks
type Integration3CXService struct {
service
logger telemetry.Logger
tracer telemetry.Tracer
client *http.Client
repository repositories.Integration3CxRepository
}
// NewIntegration3CXService creates a new Integration3CXService
func NewIntegration3CXService(
logger telemetry.Logger,
tracer telemetry.Tracer,
client *http.Client,
repository repositories.Integration3CxRepository,
) (s *Integration3CXService) {
return &Integration3CXService{
logger: logger.WithService(fmt.Sprintf("%T", s)),
tracer: tracer,
client: client,
repository: repository,
}
}
// DeleteAllForUser deletes all entities.Integration3CX for an entities.UserID.
func (service *Integration3CXService) DeleteAllForUser(ctx context.Context, userID entities.UserID) error {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
if err := service.repository.DeleteAllForUser(ctx, userID); err != nil {
msg := fmt.Sprintf("could not delete all [entities.Integration3CX] for user with ID [%s]", userID)
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
ctxLogger.Info(fmt.Sprintf("deleted all [entities.Integration3CX] for user with ID [%s]", userID))
return nil
}
// Send an event to a 3CX webhook
func (service *Integration3CXService) Send(ctx context.Context, userID entities.UserID, event cloudevents.Event) error {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
webhooks, err := service.repository.Load(ctx, userID)
if stacktrace.GetCode(err) == repositories.ErrCodeNotFound {
ctxLogger.Info(fmt.Sprintf("user [%s] has no [3cx] integration to event [%s]", userID, event.Type()))
return nil
}
if err != nil {
msg := fmt.Sprintf("cannot load [3cx] integration for user [%s] and event [%s]", userID, event.Type())
return service.tracer.WrapErrorSpan(span, stacktrace.PropagateWithCode(err, stacktrace.GetCode(err), msg))
}
service.sendNotification(ctx, event, webhooks)
return nil
}
func (service *Integration3CXService) sendNotification(ctx context.Context, event cloudevents.Event, integration *entities.Integration3CX) {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
payload, err := service.getPayload(event)
if err != nil {
msg := fmt.Sprintf("cannot generate [3cx] payload from [%s] event with ID [%s] for user [%s]", event.Type(), event.ID(), integration.UserID)
ctxLogger.Error(service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)))
return
}
body, err := json.Marshal(payload)
if err != nil {
msg := fmt.Sprintf("cannot marshal [%T] for [%s] event with ID [%s] for user [%s]", payload, event.Type(), event.ID(), integration.UserID)
ctxLogger.Error(service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)))
}
request, err := http.NewRequestWithContext(ctx, http.MethodPost, integration.WebhookURL, bytes.NewBuffer(body))
if err != nil {
msg := fmt.Sprintf("cannot create [%T] for [%s] event with ID [%s] for user [%s]", request, event.Type(), event.ID(), integration.UserID)
ctxLogger.Error(service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)))
return
}
request.Header.Set("Content-Type", "application/json; charset=UTF-8")
response, err := service.client.Do(request)
if err != nil {
msg := fmt.Sprintf("cannot send [%s] event to [3cx] webhook [%s] for user [%s]", event.Type(), integration.WebhookURL, integration.UserID)
ctxLogger.Error(service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg)))
}
defer func() {
err = response.Body.Close()
if err != nil {
ctxLogger.Error(stacktrace.Propagate(err, "cannot close response body"))
}
}()
ctxLogger.Info(
fmt.Sprintf(
"sent [3cx] webhook to url [%s] for event [%s] with ID [%s] and response [%s] and code [%d] and payload [%s]",
integration.WebhookURL,
event.Type(),
event.ID(),
response.Status,
response.StatusCode,
string(body),
),
)
}
func (service *Integration3CXService) getPayload(event cloudevents.Event) (fiber.Map, error) {
switch event.Type() {
case events.EventTypeMessagePhoneDelivered:
return service.getEventDeliveredPayload(event)
case events.EventTypeMessagePhoneReceived:
return service.getMessageReceivedPayload(event)
case events.EventTypeMessagePhoneSent:
return service.getMessageSentPayload(event)
case events.EventTypeMessageSendFailed:
return service.getMessageSendFailedPayload(event)
default:
return nil, stacktrace.NewError(fmt.Sprintf("cannot generate [3cx] payload for event [%s] with ID [%s]", event.Type(), event.ID()))
}
}
func (service *Integration3CXService) getEventDeliveredPayload(event cloudevents.Event) (fiber.Map, error) {
payload := new(events.MessagePhoneDeliveredPayload)
if err := event.DataAs(payload); err != nil {
return nil, stacktrace.Propagate(err, fmt.Sprintf("cannot unmarshal event [%s] with ID [%s] into [%T]", event.Type(), event.ID(), payload))
}
return fiber.Map{
"data": fiber.Map{
"event_type": "message.finalized",
"id": event.ID(),
"occurred_at": event.Time(),
"payload": fiber.Map{
"completed_at": payload.Timestamp,
"from": fiber.Map{
"phone_number": payload.Owner,
},
"id": payload.ID,
"to": []fiber.Map{
{
"status": "delivered",
"phone_number": payload.Contact,
},
},
"type": "SMS",
},
"record_type": "event",
},
}, nil
}
func (service *Integration3CXService) getMessageSentPayload(event cloudevents.Event) (fiber.Map, error) {
payload := new(events.MessagePhoneSentPayload)
if err := event.DataAs(payload); err != nil {
return nil, stacktrace.Propagate(err, fmt.Sprintf("cannot unmarshal event [%s] with ID [%s] into [%T]", event.Type(), event.ID(), payload))
}
return fiber.Map{
"data": fiber.Map{
"event_type": "message.sent",
"id": event.ID(),
"occurred_at": event.Time(),
"payload": fiber.Map{
"completed_at": payload.Timestamp,
"from": fiber.Map{
"phone_number": payload.Owner,
},
"id": payload.ID,
"to": []fiber.Map{
{
"status": "sent",
"phone_number": payload.Contact,
},
},
"type": "SMS",
},
"record_type": "event",
},
}, nil
}
func (service *Integration3CXService) getMessageSendFailedPayload(event cloudevents.Event) (fiber.Map, error) {
payload := new(events.MessageSendFailedPayload)
if err := event.DataAs(payload); err != nil {
return nil, stacktrace.Propagate(err, fmt.Sprintf("cannot unmarshal event [%s] with ID [%s] into [%T]", event.Type(), event.ID(), payload))
}
return fiber.Map{
"data": fiber.Map{
"event_type": "message.sent",
"id": event.ID(),
"occurred_at": event.Time(),
"payload": fiber.Map{
"completed_at": payload.Timestamp,
"from": fiber.Map{
"phone_number": payload.Owner,
},
"id": payload.ID,
"to": []fiber.Map{
{
"status": "sending_failed",
"phone_number": payload.Contact,
},
},
"type": "SMS",
},
"record_type": "event",
},
}, nil
}
func (service *Integration3CXService) getMessageReceivedPayload(event cloudevents.Event) (fiber.Map, error) {
payload := new(events.MessagePhoneReceivedPayload)
if err := event.DataAs(payload); err != nil {
return nil, stacktrace.Propagate(err, fmt.Sprintf("cannot unmarshal event [%s] with ID [%s] into [%T]", event.Type(), event.ID(), payload))
}
return fiber.Map{
"data": fiber.Map{
"event_type": "message.received",
"id": event.ID(),
"payload": fiber.Map{
"from": fiber.Map{
"phone_number": payload.Contact,
},
"id": payload.MessageID,
"received_at": payload.Timestamp,
"text": payload.Content,
"to": []fiber.Map{
{
"phone_number": payload.Owner,
},
},
"type": "SMS",
},
"record_type": "event",
},
}, nil
}