qrapp

type Mailer interface {
	// SendReply sends a reply email.
	SendReply(ctx context.Context, messageID, from, to, subject, text, html string) error
}

type Message struct {
	NotificationType string `json:"notificationType"`
	Mail             struct {
		CommonHeaders struct {
			ReturnPath string   `json:"returnPath"`
			From       []string `json:"from"`
			MessageID  string   `json:"messageId"`
			Subject    string   `json:"subject"`
		} `json:"commonHeaders"`
	} `json:"mail"`
	Receipt struct {
		Recipients []string `json:"recipients"`
		Action     struct {
			Type       string `json:"type"`
			BucketName string `json:"bucketName"`
			ObjectKey  string `json:"objectKey"`
		} `json:"action"`
	} `json:"receipt"`
}

type ProcessingResult struct {
	AttachmentName string
	AttachmentURL  string
	QRImageURL     string
	Error          error
}

type QRApp struct {
	Storage        Storage
	Mailer         Mailer
	FilesBucket    string
	FilesBucketURL string
}

type S3Storage struct {
	S3Downloader *manager.Downloader
	S3Uploader   *manager.Uploader
	S3Client     *s3.Client
}

type SESMailer struct {
	SESClient *ses.Client
}

type Storage interface {
	// DownloadToTmpFile downloads an object from a bucket to a temporary file.
	DownloadToTmpFile(ctx context.Context, bucket, key string) (fs.File, error)

	// RemoveTmpFile removes a temporary file created by DownloadToTmpFile.
	RemoveTmpFile(ctx context.Context, tmpFile fs.File) error

	// Upload uploads an object to a bucket, using the contents from the reader, setting the given content type.
	Upload(ctx context.Context, bucket, key, contentType string, r io.Reader) error

	// Delete deletes an object from a bucket.
	Delete(ctx context.Context, bucket, key string) error
}