34 lines
642 B
Go
34 lines
642 B
Go
package validation
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import (
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"strconv"
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)
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type IsOdd struct {
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Message string
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TypeErrorMessage string
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}
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func NewIsOdd() IsOdd {
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return IsOdd{
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Message: "This value is not a odd number.",
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TypeErrorMessage: "This value can not be processed.",
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}
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}
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func (c IsOdd) Validate(data any) []Error {
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errors := []Error{}
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// The constraint should not validate an empty data
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if len(NewNotBlank().Validate(data)) == 0 {
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i, err := strconv.Atoi(data.(string))
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if err != nil {
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errors = append(errors, Error(c.TypeErrorMessage))
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} else if i%2 != 1 {
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errors = append(errors, Error(c.Message))
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}
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}
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return errors
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}
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