runnable-mail.go

package jobqueue

import (
	"context"
	"fmt"
	"net/smtp"
)

func NewMailRunnableFromMap(data map[string]interface{}) (*MailRunnable, error) {
	to, ok := data["to"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid To: %v", ErrInvalidData, data["to"])
	}

	from, ok := data["from"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid From: %v", ErrInvalidData, data["from"])
	}

	subject, ok := data["subject"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid Subject: %v", ErrInvalidData, data["subject"])
	}

	body, ok := data["l"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid Body: %v", ErrInvalidData, data["body"])
	}

	server, ok := data["server"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid Server: %v", ErrInvalidData, data["server"])
	}

	port, ok := data["port"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid Port: %v", ErrInvalidData, data["port"])
	}

	username, ok := data["username"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid Username: %v", ErrInvalidData, data["username"])
	}

	password, ok := data["password"].(string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid Password: %v", ErrInvalidData, data["password"])
	}

	headers, ok := data["headers"].(map[string]string)
	if !ok {
		return nil, fmt.Errorf("%w: Invalid Headers: %v", ErrInvalidData, data["headers"])
	}

	return &MailRunnable{
		To:       to,
		From:     from,
		Subject:  subject,
		Body:     body,
		Server:   server,
		Port:     port,
		Username: username,
		Password: password,
		Headers:  headers,
	}, nil
}

// MailResult is a result of a email
type MailResult struct {
	Sent           bool