Envelope/Backend/Database/Attachments.go

package Database

import (
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

// Attachment holds the attachment data
type Attachment struct {
	Base
	FilePath  string `gorm:"not null" json:"-"`
	Mimetype  string `gorm:"not null" json:"mimetype"`
	Extension string `gorm:"not null" json:"extension"`
	Data      string `gorm:"-"        json:"data"`
	ImageLink string `gorm:"-"        json:"image_link"`
}

// GetAttachmentByID gets the attachment record by the id
func GetAttachmentByID(id string) (MessageData, error) {
	var (
		messageData MessageData
		err         error
	)

	err = DB.Preload(clause.Associations).
		First(&messageData, "id = ?", id).
		Error

	return messageData, err
}

// CreateAttachment creates the attachment record
func (attachment *Attachment) CreateAttachment() error {
	var (
		err error
	)

	err = DB.Session(&gorm.Session{FullSaveAssociations: true}).
		Create(attachment).
		Error

	return err
}

// DeleteAttachment deletes the attachment record
func (attachment *Attachment) DeleteAttachment() error {
	return DB.Session(&gorm.Session{FullSaveAssociations: true}).
		Delete(attachment).
		Error
}