apicodegen/api/mail/service.go

package mail

import (
	"git.eugeniocarvalho.dev/eugeniucarvalho/apicodegen/api/errs"
)

type Destination struct {
	CcAddresses []*string
	ToAddresses []*string
}

type Body struct {
	Html *string
	Text *string
}

type Mail struct {
	Template *string
	Sender *string
	Subject *string
	Body *Body 
	TemplateData interface{}
	Destination *Destination 
}

type SendMailOptions struct {
	Adapter string
	Sync bool
}

type MailAdapter interface {
	Send(mail *Mail, options *SendMailOptions) (err *errs.Error)
	SendTemplateEmail(mail *Mail, options *SendMailOptions) (err *errs.Error)
}

type MailAdapters = map[string]MailAdapter

var (
	Adapters = MailAdapters{}
)

func init(){
	Adapters["default"] = &AwsSESAdapter{}
}

func Send(mail *Mail, options *SendMailOptions) (err *errs.Error) {
	var (
		adapterID = "default"
		adapter MailAdapter
		found bool
		sendSync  = true
		sendHandler func(mail *Mail, options *SendMailOptions) (err *errs.Error)
	)
	
	if options != nil {
		if options.Adapter != "" { adapterID = options.Adapter}
		if options.Sync { sendSync = options.Sync}
	}
	

	if adapter, found = Adapters[adapterID]; found {
		if mail.Template != nil {
			sendHandler = adapter.SendTemplateEmail
		} else {
			sendHandler = adapter.Send
		}

		if sendSync {
			err = sendHandler(mail, options)
		}else {
			go sendHandler(mail, options)
		}
	}
	
	return
}