58 lines
891 B
Go
58 lines
891 B
Go
package report
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import (
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"fmt"
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"strconv"
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"strings"
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)
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// ExtractJSONField traverses an unmarshaled JSON object using dot notation.
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func ExtractJSONField(data any, path string) string {
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if path == "" || data == nil {
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return ""
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}
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parts := strings.Split(path, ".")
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current := data
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for _, part := range parts {
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if current == nil {
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return ""
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}
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switch v := current.(type) {
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case map[string]any:
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val, ok := v[part]
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if !ok {
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return ""
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}
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current = val
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case []any:
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idx, err := strconv.Atoi(part)
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if err != nil || idx < 0 || idx >= len(v) {
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return ""
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}
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current = v[idx]
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default:
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return ""
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}
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}
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if current == nil {
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return ""
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}
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switch v := current.(type) {
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case string:
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return v
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case float64:
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return strconv.FormatFloat(v, 'f', -1, 64)
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case bool:
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return strconv.FormatBool(v)
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default:
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return fmt.Sprintf("%v", v)
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}
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}
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