onasty/internal/events/mailermq/mailermq.go(view raw)
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package mailermq
import (
"context"
"encoding/json"
"github.com/nats-io/nats.go"
"github.com/olexsmir/onasty/internal/events"
"github.com/olexsmir/onasty/internal/transport/http/reqid"
)
const sendTopic = "mailer.send"
type Mailer interface {
// SendVerificationEmail sends an email with a verification token to the user.
SendVerificationEmail(ctx context.Context, input SendVerificationEmailRequest) error
// SendPasswordResetEmail sends an email with a password reset token to the user.
SendPasswordResetEmail(ctx context.Context, input SendPasswordResetEmailRequest) error
// SendChangeEmailVerification sends an email with a change email verification token to the user.
SendChangeEmailConfirmation(ctx context.Context, inp SendChangeEmailConfirmationRequest) error
}
type MailerMQ struct {
nc *nats.Conn
}
func New(nc *nats.Conn) *MailerMQ {
return &MailerMQ{
nc: nc,
}
}
type sendRequest struct {
RequestID string `json:"request_id"`
Receiver string `json:"receiver"`
TemplateName string `json:"template_name"`
Options map[string]string `json:"options"`
}
type SendVerificationEmailRequest struct {
Receiver string
Token string
}
func (m MailerMQ) SendVerificationEmail(
ctx context.Context,
inp SendVerificationEmailRequest,
) error {
req, err := json.Marshal(sendRequest{
RequestID: reqid.GetContext(ctx),
Receiver: inp.Receiver,
TemplateName: "email_verification",
Options: map[string]string{
"token": inp.Token,
},
})
if err != nil {
return err
}
resp, err := m.nc.RequestWithContext(ctx, sendTopic, req)
if err != nil {
return err
}
return events.CheckRespForError(resp)
}
type SendPasswordResetEmailRequest struct {
Receiver string
Token string
}
func (m MailerMQ) SendPasswordResetEmail(
ctx context.Context,
inp SendPasswordResetEmailRequest,
) error {
req, err := json.Marshal(sendRequest{
RequestID: reqid.GetContext(ctx),
Receiver: inp.Receiver,
TemplateName: "reset_password",
Options: map[string]string{
"token": inp.Token,
},
})
if err != nil {
return err
}
resp, err := m.nc.RequestWithContext(ctx, sendTopic, req)
if err != nil {
return err
}
return events.CheckRespForError(resp)
}
type SendChangeEmailConfirmationRequest struct {
Receiver string
Token string
NewEmail string
}
func (m MailerMQ) SendChangeEmailConfirmation(
ctx context.Context,
inp SendChangeEmailConfirmationRequest,
) error {
req, err := json.Marshal(sendRequest{
RequestID: reqid.GetContext(ctx),
Receiver: inp.Receiver,
TemplateName: "confirm_email_change",
Options: map[string]string{
"token": inp.Token,
"email": inp.NewEmail,
},
})
if err != nil {
return err
}
resp, err := m.nc.RequestWithContext(ctx, sendTopic, req)
if err != nil {
return err
}
return events.CheckRespForError(resp)
}
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