go-server.helpers.mustache Maven / Gradle / Ivy
{{>partial_header}}
package {{packageName}}
import (
"reflect"
)
// Response return a ImplResponse struct filled
func Response(code int, body interface{}) ImplResponse {
return ImplResponse {
Code: code,
{{#addResponseHeaders}}
Headers: nil,
{{/addResponseHeaders}}
Body: body,
}
}
{{#addResponseHeaders}}
// ResponseWithHeaders return a ImplResponse struct filled, including headers
func ResponseWithHeaders(code int, headers map[string][]string, body interface{}) ImplResponse {
return ImplResponse {
Code: code,
Headers: headers,
Body: body,
}
}
{{/addResponseHeaders}}
// IsZeroValue checks if the val is the zero-ed value.
func IsZeroValue(val interface{}) bool {
return val == nil || reflect.DeepEqual(val, reflect.Zero(reflect.TypeOf(val)).Interface())
}
// AssertRecurseInterfaceRequired recursively checks each struct in a slice against the callback.
// This method traverse nested slices in a preorder fashion.
func AssertRecurseInterfaceRequired[T any](obj interface{}, callback func(T) error) error {
return AssertRecurseValueRequired(reflect.ValueOf(obj), callback)
}
// AssertRecurseValueRequired checks each struct in the nested slice against the callback.
// This method traverse nested slices in a preorder fashion. ErrTypeAssertionError is thrown if
// the underlying struct does not match type T.
func AssertRecurseValueRequired[T any](value reflect.Value, callback func(T) error) error {
switch value.Kind() {
// If it is a struct we check using callback
case reflect.Struct:
obj, ok := value.Interface().(T)
if !ok {
return ErrTypeAssertionError
}
if err := callback(obj); err != nil {
return err
}
// If it is a slice we continue recursion
case reflect.Slice:
for i := 0; i < value.Len(); i += 1 {
if err := AssertRecurseValueRequired(value.Index(i), callback); err != nil {
return err
}
}
}
return nil
}