commit
048d7b8100
@ -1,150 +1,165 @@ |
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package main |
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// import (
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// "errors"
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// "fmt"
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// "reflect"
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// sql "database/sql/driver"
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// "gopkg.in/bluesuncorp/validator.v6"
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// )
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// // User contains user information
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// type User struct {
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// FirstName string `validate:"required"`
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// LastName string `validate:"required"`
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// Age uint8 `validate:"gte=0,lte=130"`
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// Email string `validate:"required,email"`
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// FavouriteColor string `validate:"hexcolor|rgb|rgba"`
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// Addresses []*Address `validate:"required,dive,required"` // a person can have a home and cottage...
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// }
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// // Address houses a users address information
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// type Address struct {
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// Street string `validate:"required"`
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// City string `validate:"required"`
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// Planet string `validate:"required"`
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// Phone string `validate:"required"`
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// }
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// var validate *validator.Validate
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func main() { |
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// config := validator.Config{
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// TagName: "validate",
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// ValidationFuncs: validator.BakedInValidators,
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// }
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// validate = validator.New(config)
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import ( |
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"errors" |
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"fmt" |
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"reflect" |
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sql "database/sql/driver" |
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"gopkg.in/bluesuncorp/validator.v6" |
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) |
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// User contains user information
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type User struct { |
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FirstName string `validate:"required"` |
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LastName string `validate:"required"` |
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Age uint8 `validate:"gte=0,lte=130"` |
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Email string `validate:"required,email"` |
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FavouriteColor string `validate:"hexcolor|rgb|rgba"` |
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Addresses []*Address `validate:"required,dive,required"` // a person can have a home and cottage...
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} |
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// validateStruct()
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// validateField()
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// Address houses a users address information
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type Address struct { |
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Street string `validate:"required"` |
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City string `validate:"required"` |
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Planet string `validate:"required"` |
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Phone string `validate:"required"` |
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} |
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// func validateStruct() {
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var validate *validator.Validate |
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// address := &Address{
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// Street: "Eavesdown Docks",
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// Planet: "Persphone",
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// Phone: "none",
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// }
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func main() { |
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// user := &User{
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// FirstName: "Badger",
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// LastName: "Smith",
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// Age: 135,
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// Email: "Badger.Smith@gmail.com",
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// FavouriteColor: "#000",
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// Addresses: []*Address{address},
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// }
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config := validator.Config{ |
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TagName: "validate", |
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ValidationFuncs: validator.BakedInValidators, |
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} |
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// // returns nil or ValidationErrors ( map[string]*FieldError )
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// errs := validate.Struct(user)
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validate = validator.New(config) |
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// if errs != nil {
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validateStruct() |
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validateField() |
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} |
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// fmt.Println(errs) // output: Key: "User.Age" Error:Field validation for "Age" failed on the "lte" tag
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// // Key: "User.Addresses[0].City" Error:Field validation for "City" failed on the "required" tag
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// err := errs["User.Addresses[0].City"]
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// fmt.Println(err.Field) // output: City
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// fmt.Println(err.Tag) // output: required
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// fmt.Println(err.Kind) // output: string
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// fmt.Println(err.Type) // output: string
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// fmt.Println(err.Param) // output:
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// fmt.Println(err.Value) // output:
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func validateStruct() { |
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address := &Address{ |
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Street: "Eavesdown Docks", |
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Planet: "Persphone", |
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Phone: "none", |
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} |
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user := &User{ |
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FirstName: "Badger", |
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LastName: "Smith", |
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Age: 135, |
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Email: "Badger.Smith@gmail.com", |
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FavouriteColor: "#000", |
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Addresses: []*Address{address}, |
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} |
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// returns nil or ValidationErrors ( map[string]*FieldError )
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errs := validate.Struct(user) |
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if errs != nil { |
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fmt.Println(errs) // output: Key: "User.Age" Error:Field validation for "Age" failed on the "lte" tag
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// Key: "User.Addresses[0].City" Error:Field validation for "City" failed on the "required" tag
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err := errs["User.Addresses[0].City"] |
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fmt.Println(err.Field) // output: City
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fmt.Println(err.Tag) // output: required
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fmt.Println(err.Kind) // output: string
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fmt.Println(err.Type) // output: string
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fmt.Println(err.Param) // output:
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fmt.Println(err.Value) // output:
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// from here you can create your own error messages in whatever language you wish
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return |
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} |
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// save user to database
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} |
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// // from here you can create your own error messages in whatever language you wish
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// return
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// }
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func validateField() { |
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myEmail := "joeybloggs.gmail.com" |
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// // save user to database
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// }
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errs := validate.Field(myEmail, "required,email") |
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// func validateField() {
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// myEmail := "joeybloggs.gmail.com"
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if errs != nil { |
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fmt.Println(errs) // output: Key: "" Error:Field validation for "" failed on the "email" tag
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return |
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} |
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// errs := validate.Field(myEmail, "required,email")
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// email ok, move on
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} |
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// if errs != nil {
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// fmt.Println(errs) // output: Key: "" Error:Field validation for "" failed on the "email" tag
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// return
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// }
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var validate2 *validator.Validate |
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// // email ok, move on
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// }
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type valuer struct { |
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Name string |
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} |
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// var validate2 *validator.Validate
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func (v valuer) Value() (sql.Value, error) { |
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// type valuer struct {
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// Name string
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// }
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if v.Name == "errorme" { |
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return nil, errors.New("some kind of error") |
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} |
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// func (v valuer) Value() (sql.Value, error) {
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if v.Name == "blankme" { |
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return "", nil |
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} |
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// if v.Name == "errorme" {
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// return nil, errors.New("some kind of error")
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// }
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if len(v.Name) == 0 { |
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return nil, nil |
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} |
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// if v.Name == "blankme" {
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// return "", nil
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// }
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return v.Name, nil |
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} |
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// if len(v.Name) == 0 {
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// return nil, nil
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// }
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// ValidateValuerType implements validator.CustomTypeFunc
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func ValidateValuerType(field reflect.Value) interface{} { |
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if valuer, ok := field.Interface().(sql.Valuer); ok { |
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val, err := valuer.Value() |
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if err != nil { |
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// handle the error how you want
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return nil |
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} |
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// return v.Name, nil
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// }
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return val |
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} |
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// func main2() {
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return nil |
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} |
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// customTypes := map[reflect.Type]validator.CustomTypeFunc{}
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// customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
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// customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType
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func main2() { |
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// config := validator.Config{
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// TagName: "validate",
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// ValidationFuncs: validator.BakedInValidators,
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// CustomTypeFuncs: customTypes,
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// }
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customTypes := map[reflect.Type]validator.CustomTypeFunc{} |
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customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType |
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customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType |
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// validate2 = validator.New(config)
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config := validator.Config{ |
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TagName: "validate", |
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ValidationFuncs: validator.BakedInValidators, |
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CustomTypeFuncs: customTypes, |
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} |
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// validateCustomFieldType()
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// }
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validate2 = validator.New(config) |
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// func validateCustomFieldType() {
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// val := valuer{
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// Name: "blankme",
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// }
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validateCustomFieldType() |
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} |
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func validateCustomFieldType() { |
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val := valuer{ |
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Name: "blankme", |
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} |
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// errs := validate2.Field(val, "required")
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// if errs != nil {
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// fmt.Println(errs) // output: Key: "" Error:Field validation for "" failed on the "required" tag
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// return
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// }
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errs := validate2.Field(val, "required") |
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if errs != nil { |
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fmt.Println(errs) // output: Key: "" Error:Field validation for "" failed on the "required" tag
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return |
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} |
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// // all ok
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// }
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// all ok
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} |
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