mailsrv/mail/mail.go
2023-09-10 14:50:39 +02:00

56 lines
1.1 KiB
Go

package mail
import (
"encoding/json"
"fmt"
"os"
"strings"
"github.com/go-playground/validator/v10"
)
var validate *validator.Validate
type Email struct {
Path string
Sender string `json:"sender" validate:"required,email"`
Receivers string `json:"receivers" validate:"required"`
Subject string `json:"subject" validate:"required"`
Content string `json:"content" validate:"required"`
}
func FromJSON(path string) (Email, error) {
var mail Email
content, err := os.ReadFile(path)
if err != nil {
return mail, fmt.Errorf("%w, unable to read the file: %s", err, path)
}
if err := json.Unmarshal(content, &mail); err != nil {
return mail, err
}
validate = validator.New(validator.WithRequiredStructEnabled())
if err := validate.Struct(mail); err != nil {
return mail, err
}
return mail, nil
}
func (e Email) GetReceivers() []string {
return strings.Split(e.Receivers, ",")
}
func (e Email) Generate() []byte {
mail := fmt.Sprintf(
"To: %s\nFrom: %s\nContent-Type: text/html;charset=utf-8\nSubject: %s\n\n%s",
e.Receivers,
e.Sender,
e.Subject,
e.Content,
)
return []byte(mail)
}