parseDuration static method

int? parseDuration(String? time)

Implementation

static int? parseDuration(String? time) {
  if (time == null) return null;

  // Extract only the time portion using regex (format: H:MM:SS or MM:SS or M:SS)
  final timeMatch = RegExp(r'(\d+):(\d+)(?::(\d+))?').firstMatch(time);
  if (timeMatch == null) return null;

  // Parse the matched groups
  final parts = <int>[];
  for (int i = 1; i <= timeMatch.groupCount; i++) {
    final group = timeMatch.group(i);
    if (group != null) {
      parts.add(int.parse(group));
    }
  }

  if (parts.isEmpty) return null;

  // Handle different time formats
  if (parts.length == 2) {
    // MM:SS format
    final minutes = parts[0];
    final seconds = parts[1];
    return seconds + minutes * 60;
  } else if (parts.length == 3) {
    // H:MM:SS format
    final hours = parts[0];
    final minutes = parts[1];
    final seconds = parts[2];
    return seconds + minutes * 60 + hours * 60 * 60;
  }

  return null;
}