40 lines
616 B
Go
40 lines
616 B
Go
package webutil
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import (
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"errors"
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"fmt"
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"net/url"
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)
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var ErrUnsupportedType = errors.New("unsupported type")
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type FormScanner struct {
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form url.Values
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err error
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}
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func NewFormScanner(form url.Values) *FormScanner {
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return &FormScanner{form: form}
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}
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func (s *FormScanner) Scan(name string, val any) *FormScanner {
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if s.err != nil {
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return s
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}
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switch v := val.(type) {
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case *bool:
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*v = s.form.Has(name)
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default:
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if err := scan(s.form.Get(name), v); err != nil {
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s.err = fmt.Errorf("Error in field %s: %w", name, err)
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}
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}
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return s
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}
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func (s *FormScanner) Error() error {
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return s.err
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}
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