feat: send verification email

services/email_service.go

@@ -0,0 +1,45 @@
+package services
+
+import (
+	"github.com/sendgrid/rest"
+	"github.com/sendgrid/sendgrid-go/helpers/mail"
+	"github.com/stadio-app/stadio-backend/database/jet/postgres/public/model"
+	"github.com/stadio-app/stadio-backend/graph/gmodel"
+)
+
+func (service Service) SendTemplateEmail(
+	to *mail.Email, 
+	subject string, 
+	template_id string, 
+	template_data map[string]any,
+) (*rest.Response, error) {
+	from := mail.NewEmail("Stadio", "[email protected]")
+	email := mail.NewV3MailInit(from, subject, to)
+	email.SetTemplateID(template_id)
+
+	personalization := mail.NewPersonalization()
+	personalization.AddTos(to)
+	for key, val := range template_data {
+		personalization.SetDynamicTemplateData(key, val)
+	}
+	email.AddPersonalizations(personalization)
+	return service.Sendgrid.Send(email)
+}
+
+func (service Service) SendEmailVerification(user gmodel.User, email_verification model.EmailVerification) (*rest.Response, error) {
+	to := mail.NewEmail(user.Name, user.Email)
+	data := map[string]any{
+		"user": map[string]any{
+			"id": user.ID,
+			"name": user.Name,
+			"email": user.Email,
+		},
+		"code": email_verification.Code,
+	}
+	return service.SendTemplateEmail(
+		to,
+		"Stadio: Email verification code", 
+		service.Tokens.SendGrid.Templates.EmailVerification, 
+		data,
+	)
+}