// Performs validation and combines errors from validation
// with errors from deserialization, then maps both the
// resulting struct and the errors to the context.
func validateAndMap(obj reflect.Value, context martini.Context, errors *base.BindingErrors, ifacePtr ...interface{}) {
context.Invoke(Validate(obj.Interface()))
errors.Combine(getErrors(context))
context.Map(*errors)
context.Map(obj.Elem().Interface())
if len(ifacePtr) > 0 {
context.MapTo(obj.Elem().Interface(), ifacePtr[0])
}
}
// ErrorHandler simply counts the number of errors in the
// context and, if more than 0, writes a 400 Bad Request
// response and a JSON payload describing the errors with
// the "Content-Type" set to "application/json".
// Middleware remaining on the stack will not even see the request
// if, by this point, there are any errors.
// This is a "default" handler, of sorts, and you are
// welcome to use your own instead. The Bind middleware
// invokes this automatically for convenience.
func ErrorHandler(errs base.BindingErrors, resp http.ResponseWriter) {
if errs.Count() > 0 {
resp.Header().Set("Content-Type", "application/json; charset=utf-8")
if _, ok := errs.Overall[base.BindingDeserializationError]; ok {
resp.WriteHeader(http.StatusBadRequest)
} else {
resp.WriteHeader(422)
}
errOutput, _ := json.Marshal(errs)
resp.Write(errOutput)
return
}
}
func (f *UpdateProfileForm) Validate(errors *base.BindingErrors, req *http.Request, context martini.Context) {
if req.Method == "GET" || errors.Count() == 0 {
return
}
data := context.Get(reflect.TypeOf(base.TmplData{})).Interface().(base.TmplData)
data["HasError"] = true
if len(errors.Overall) > 0 {
for _, err := range errors.Overall {
log.Error("UpdateProfileForm.Validate: %v", err)
}
return
}
validate(errors, data, f)
}
func (f *AddSSHKeyForm) Validate(errors *base.BindingErrors, req *http.Request, context martini.Context) {
data := context.Get(reflect.TypeOf(base.TmplData{})).Interface().(base.TmplData)
AssignForm(f, data)
if req.Method == "GET" || errors.Count() == 0 {
if req.Method == "POST" &&
(len(f.KeyContent) < 100 || !strings.HasPrefix(f.KeyContent, "ssh-rsa")) {
data["HasError"] = true
data["ErrorMsg"] = "SSH key content is not valid"
}
return
}
data["HasError"] = true
if len(errors.Overall) > 0 {
for _, err := range errors.Overall {
log.Error("AddSSHKeyForm.Validate: %v", err)
}
return
}
validate(errors, data, f)
}