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|
package common
import (
"fmt"
"io"
"strconv"
"strings"
)
type Status int
const (
_ Status = iota
OpenStatus
ClosedStatus
)
func (s Status) String() string {
switch s {
case OpenStatus:
return "open"
case ClosedStatus:
return "closed"
default:
return "unknown status"
}
}
func (s Status) Action() string {
switch s {
case OpenStatus:
return "opened"
case ClosedStatus:
return "closed"
default:
return "unknown status"
}
}
func StatusFromString(str string) (Status, error) {
cleaned := strings.ToLower(strings.TrimSpace(str))
switch cleaned {
case "open":
return OpenStatus, nil
case "closed":
return ClosedStatus, nil
default:
return 0, fmt.Errorf("unknown status")
}
}
func (s Status) Validate() error {
if s != OpenStatus && s != ClosedStatus {
return fmt.Errorf("invalid")
}
return nil
}
func (s Status) MarshalGQL(w io.Writer) {
switch s {
case OpenStatus:
_, _ = fmt.Fprintf(w, strconv.Quote("OPEN"))
case ClosedStatus:
_, _ = fmt.Fprintf(w, strconv.Quote("CLOSED"))
default:
panic("missing case")
}
}
func (s *Status) UnmarshalGQL(v interface{}) error {
str, ok := v.(string)
if !ok {
return fmt.Errorf("enums must be strings")
}
switch str {
case "OPEN":
*s = OpenStatus
case "CLOSED":
*s = ClosedStatus
default:
return fmt.Errorf("%s is not a valid Status", str)
}
return nil
}
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