upload

Documentation

Overview

Package upload implements image upload handlers.

Index

• Constants
• type Config
• type HTTPError
  • func NewHTTPError(status int, err error) *HTTPError
  • func (e HTTPError) Status() int
• type Service
  • func New(cfg Config, log loggers.Contextual) *Service
  • func (srv Service) HandleBase64(data, name string) (*string, error)
  • func (srv Service) HandleMultiPart(form *multipart.Form) (*string, error)
  • func (srv Service) HandleURL(url string) (*string, error)

Constants

const (
	// ErrNoSingleFile returned when does not contain single file in field 'file'
	ErrNoSingleFile = "field 'file' does not contains single item"
	// ErrIncorrectData returned when field data does not contain valid base64 encoded data
	ErrIncorrectData = "incorrect data format"
	// ErrNotImage returned when media type isn't supported by underlying image processing package
	ErrNotImage = "Unsupported media type"
	// ErrNoCTypeExt returned when filename does not contain extension and we can't get it from content type
	ErrNoCTypeExt = "File ext for content type not found"
	// ErrFmtBadDownload returned when download status != 200
	ErrFmtBadDownload = "Image download failed (%d)"

	// Base64MinCommaIndex holds minimal base64 image prefix len
	Base64MinCommaIndex = 21
)

Types

type Config

type Config struct {
	DownloadLimit int64  `long:"download_limit" default:"8" description:"External image size limit (Mb)"`
	Dir           string `long:"dir" default:"data/img" description:"Image upload destination"`
	PreviewDir    string `long:"preview_dir" default:"data/preview" description:"Preview image destination"`
	PreviewWidth  int    `long:"preview_width" default:"100" description:"Preview image width"`
	PreviewHeight int    `long:"preview_heigth" default:"100" description:"Preview image heigth"`
	UseRandomName bool   `long:"random_name" description:"Do not keep uploaded image filename"`
}

Config holds all config vars

type HTTPError

type HTTPError struct {
	// contains filtered or unexported fields
}

HTTPError holds error with HTTP status

func NewHTTPError

func NewHTTPError(status int, err error) *HTTPError

NewHTTPError returns new HTTPError

func (HTTPError) Status

func (e HTTPError) Status() int

Status returns HTTPError status

type Service

type Service struct {
	Config *Config
	Log    loggers.Contextual
	// contains filtered or unexported fields
}

Service holds upload service

func New

func New(cfg Config, log loggers.Contextual) *Service

New creates an Service object

func (Service) HandleBase64

func (srv Service) HandleBase64(data, name string) (*string, error)

HandleBase64 stores file received as base64 encoded string

func (Service) HandleMultiPart

func (srv Service) HandleMultiPart(form *multipart.Form) (*string, error)

HandleMultiPart stores image from multipart form

func (Service) HandleURL

func (srv Service) HandleURL(url string) (*string, error)

HandleURL reveives and stores image from URL