Fs02/grimoire

package internal

import (
    "database/sql"
    "reflect"
    "time"
)

// Scannable checks whether type is scannable.
func Scannable(rt reflect.Type) bool {
    if rt.Kind() == reflect.Ptr {
        fzeroval := reflect.New(rt.Elem()).Interface()
        kind := rt.Elem().Kind()
        _, isScanner := fzeroval.(sql.Scanner)
        _, isTime := fzeroval.(*time.Time)

        if (kind == reflect.Struct || kind == reflect.Slice || kind == reflect.Array) && kind != reflect.Uint8 && !isScanner && !isTime {
            return false
        }
    } else {
        fzeroval := reflect.New(rt).Interface()
        kind := rt.Kind()
        _, isScanner := fzeroval.(sql.Scanner)
        _, isTime := fzeroval.(*time.Time)

        if (kind == reflect.Struct || kind == reflect.Slice || kind == reflect.Array) && kind != reflect.Uint8 && !isScanner && !isTime {
            return false
        }
    }
    return true
}