toolkit

README

Toolbox

Some examples of a reusable module from the course on Go modules.

Included tools:

• Read JSON
• Write JSON
• Produce JSON encoded error messages
• Upload files
• Download file
• Generate random string of length n
• Post JSON to remove service
• Create dir, with parent dirs if they don't exist
• Create URL safe slug

Installation

go get -u https://github.com/sanjib/tsawler-toolkit

Documentation

Index

• func RandomString(n int) string
• type Tools
  • func (t *Tools) RandomString(n int) string
  • func (t *Tools) UploadFiles(r *http.Request, uploadDir string, rename ...bool) ([]UploadedFile, error)
• type UploadedFile

Functions

func RandomString

func RandomString(n int) string

RandomString generates a base32 random string of n size.

Types

type Tools

type Tools struct {
	MaxFileSize      int
	AllowedFileTypes []string
}

Tools is the type that allows access to its various utility methods.

func (*Tools) RandomString

func (t *Tools) RandomString(n int) string

RandomString generates a random string from randomStringSource of n size.

func (*Tools) UploadFiles

func (t *Tools) UploadFiles(r *http.Request, uploadDir string, rename ...bool) ([]UploadedFile, error)

type UploadedFile

type UploadedFile struct {
	NewFileName      string
	OriginalFileName string
	FileSize         int64
}

UploadedFile save information about the file to send back to user.