common

package
v0.0.0-...-f8a9cde Latest Latest
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Published: May 4, 2020 License: MIT Imports: 10 Imported by: 0

Documentation

Overview

Common tools and helper functions

Index

Constants

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const NBRandomPassword = "A String Very Very Very Niubilty!!@##$!@#4"
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const NBSecretPassword = "A String Very Very Very Strong!!@##$!@#$"

Keep this two config private, it should not expose to open source

Variables

View Source
var DB *gorm.DB

Functions

func Bind

func Bind(c *gin.Context, obj interface{}) error

Changed the c.MustBindWith() -> c.ShouldBindWith(). I don't want to auto return 400 when error happened. origin function is here: https://github.com/gin-gonic/gin/blob/master/context.go

func GenToken

func GenToken(id uint) string

A Util function to generate jwt_token which can be used in the request header

func GetDB

func GetDB() *gorm.DB

Using this function to get a connection, you can create your connection pool here.

func Init

func Init() *gorm.DB

Opening a database and save the reference to `Database` struct.

func RandString

func RandString(n int) string

A helper function to generate random string

func TestDBFree

func TestDBFree(test_db *gorm.DB) error

Delete the database after running testing cases.

func TestDBInit

func TestDBInit() *gorm.DB

This function will create a temporarily database for running testing cases

Types

type CommonError

type CommonError struct {
	Errors map[string]interface{} `json:"errors"`
}

My own Error type that will help return my customized Error info

{"database": {"hello":"no such table", error: "not_exists"}}

func NewError

func NewError(key string, err error) CommonError

Warp the error info in a object

func NewValidatorError

func NewValidatorError(err error) CommonError

To handle the error returned by c.Bind in gin framework https://github.com/go-playground/validator/blob/v9/_examples/translations/main.go

type Database

type Database struct {
	*gorm.DB
}

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