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identifier.go
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/
identifier.go
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package types
import (
"fmt"
"strings"
)
const (
// WeekEpochID defines the identifier for weekly epochs
WeekEpochID = "week"
// DayEpochID defines the identifier for daily epochs
DayEpochID = "day"
// HourEpochID defines the identifier for hourly epochs
HourEpochID = "hour"
// FifteenMinuteEpochID defines the identifier for 15 minute epochs
FifteenMinuteEpochID = "15 min"
// ThirtyMinuteEpochID defines the identifier for 30 minute epochs
ThirtyMinuteEpochID = "30 min"
)
// ValidateEpochIdentifierInterface performs a stateless
// validation of the epoch ID interface.
func ValidateEpochIdentifierInterface(i interface{}) error {
v, ok := i.(string)
if !ok {
return fmt.Errorf("invalid parameter type: %T", i)
}
return ValidateEpochIdentifierString(v)
}
// ValidateEpochIdentifierInterface performs a stateless
// validation of the epoch ID.
func ValidateEpochIdentifierString(s string) error {
s = strings.TrimSpace(s)
if s == "" {
return fmt.Errorf("blank epoch identifier: %s", s)
}
return nil
}