mirror of https://github.com/stashapp/stash.git
31 lines
699 B
Go
31 lines
699 B
Go
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package utils
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import "reflect"
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// NotNilFields returns the matching tag values of fields from an object that are not nil.
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// Panics if the provided object is not a struct.
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func NotNilFields(subject interface{}, tag string) []string {
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value := reflect.ValueOf(subject)
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structType := value.Type()
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if structType.Kind() != reflect.Struct {
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panic("subject must be struct")
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}
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var ret []string
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for i := 0; i < value.NumField(); i++ {
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field := value.Field(i)
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kind := field.Type().Kind()
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if (kind == reflect.Ptr || kind == reflect.Slice) && !field.IsNil() {
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tagValue := structType.Field(i).Tag.Get(tag)
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if tagValue != "" {
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ret = append(ret, tagValue)
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}
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}
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}
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return ret
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}
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