form

type Delegate ¶

type Delegate interface {
	GetAccessCheck(r *http.Request) page.AccessChecker
	LoadData(r *http.Request) (interface{}, error)
	Submit(w http.ResponseWriter, r *http.Request, v interface{}) FormSubmitResult
}

Delegate is a helper type that contains the form presentation and logic.

type ErrInvalidFormContentType ¶

type ErrInvalidFormContentType string

ErrInvalidFormContentType is an error that happens when a form submission happens with an incorrect content type.

func (e ErrInvalidFormContentType) Error() string

type Form ¶

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

Form has handlers for a standard HTML form.

func NewForm(store keyvalue.Store, title string, page *template.Template, delegate Delegate) *Form

func (f *Form) Page(w http.ResponseWriter, r *http.Request)

func (f *Form) Pages(path string, middlewares ...negroni.Handler) []server.Route

func (f *Form) Submit(w http.ResponseWriter, r *http.Request)

type FormPageData ¶

type FormPageData struct {
	Errors    []string
	FormID    string
	FormToken string
	Data      interface{}
}

FormPageData represents the form state.

The Data attribute has the custom data that is either posted or loaded.

func (f *FormPageData) CSRFToken() template.HTML

func (f *FormPageData) ErrorMessages() template.HTML

type FormSubmitResult ¶

type FormSubmitResult interface {
	// Do is the action, returning whether the form is needed to be rebuilt
	// or not.
	Do(w http.ResponseWriter, r *http.Request, fd *FormPageData) bool
}

FormSubmitResult represents what should happen after a form submit.

func Error(message string, err error) FormSubmitResult

func Redirect(path string) FormSubmitResult

type Validator ¶

type Validator interface {
	Delegate
	Validate(r *http.Request, v interface{}) []string
}

Validator is a form delegate that validates the form data.