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sender.go
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sender.go
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package mail
import (
"encoding/json"
"github.com/latolukasz/beeorm"
"github.com/coretrix/hitrix/pkg/entity"
"github.com/coretrix/hitrix/service/component/clock"
"github.com/coretrix/hitrix/service/component/config"
errorlogger "github.com/coretrix/hitrix/service/component/error_logger"
)
type ISender interface {
GetTemplateKeyFromConfig(templateName string) (string, error)
SendTemplate(ormService *beeorm.Engine, message *Message) error
SendTemplateWithAttachments(ormService *beeorm.Engine, message *MessageAttachment) error
GetTemplateHTMLCode(templateName string) (string, error)
}
type Message struct {
From string
FromName string
ReplyTo string
To string
Subject string
TemplateName string
TemplateData interface{}
}
type Attachment struct {
ContentType string
Filename string
Base64Content string
}
type MessageAttachment struct {
Message
Attachments []Attachment
}
type Sender struct {
ConfigService config.IConfig
ClockService clock.IClock
ErrorLoggerService errorlogger.ErrorLogger
Provider IProvider
}
func (s *Sender) GetTemplateKeyFromConfig(templateName string) (string, error) {
return s.Provider.GetTemplateKeyFromConfig(s.ConfigService, templateName)
}
func (s *Sender) SendTemplate(ormService *beeorm.Engine, message *Message) error {
if message.From == "" {
message.From = s.Provider.GetDefaultFromEmail()
}
if message.FromName == "" {
message.From = s.Provider.GetDefaultFromName()
}
mailTrackerEntity, err := s.createTrackingEntity(ormService, message)
if err != nil {
s.ErrorLoggerService.LogError(err)
return err
}
err = s.Provider.SendTemplate(message)
if err != nil {
mailTrackerEntity.SenderError = err.Error()
mailTrackerEntity.Status = entity.MailTrackerStatusError
ormService.Flush(mailTrackerEntity)
s.ErrorLoggerService.LogError(err)
return err
}
mailTrackerEntity.Status = entity.MailTrackerStatusSuccess
ormService.Flush(mailTrackerEntity)
return nil
}
func (s *Sender) SendTemplateWithAttachments(ormService *beeorm.Engine, message *MessageAttachment) error {
mailTrackerEntity, err := s.createTrackingEntity(ormService, &Message{
From: message.From,
FromName: message.FromName,
ReplyTo: message.ReplyTo,
To: message.To,
Subject: message.Subject,
TemplateName: message.TemplateName,
TemplateData: message.TemplateData,
})
if err != nil {
s.ErrorLoggerService.LogError(err)
return err
}
err = s.Provider.SendTemplateWithAttachments(message)
if err != nil {
mailTrackerEntity.SenderError = err.Error()
mailTrackerEntity.Status = entity.MailTrackerStatusError
ormService.Flush(mailTrackerEntity)
s.ErrorLoggerService.LogError(err)
return err
}
mailTrackerEntity.Status = entity.MailTrackerStatusSuccess
ormService.Flush(mailTrackerEntity)
return nil
}
func (s *Sender) GetTemplateHTMLCode(templateName string) (string, error) {
return s.Provider.GetTemplateHTMLCode(templateName)
}
func (s *Sender) createTrackingEntity(ormService *beeorm.Engine, message *Message) (*entity.MailTrackerEntity, error) {
mailTrackerEntity := &entity.MailTrackerEntity{
Status: entity.MailTrackerStatusNew,
From: message.From,
To: message.To,
Subject: message.Subject,
TemplateFile: message.TemplateName,
CreatedAt: s.ClockService.Now(),
}
templateDataAsByte, err := json.Marshal(message.TemplateData)
if err != nil {
mailTrackerEntity.SenderError = err.Error()
mailTrackerEntity.Status = entity.MailTrackerStatusError
ormService.Flush(mailTrackerEntity)
s.ErrorLoggerService.LogError(err)
return mailTrackerEntity, err
}
mailTrackerEntity.TemplateData = string(templateDataAsByte)
return mailTrackerEntity, nil
}