58 lines
1.8 KiB
Dart
58 lines
1.8 KiB
Dart
// lib/services/code_parser.dart
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class CodeParser {
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static final _zongpaiRegex = RegExp(r'^\d{2}(B|C|T)\d+$|^\d{2}(BW|CW)\d{4}$');
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static final _locationRegex = RegExp(r'^[A-Z0-9]+-[A-Z0-9]+-[A-Z0-9]+$');
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static final _transitRegex = RegExp(r'^TRANS-');
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static final _attachmentRegex = RegExp(
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r'^FJ-(\d{2}(B|C|T)\d+|\d{2}(BW|CW)\d{4})$',
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);
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static ParseResult parse(String code) {
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final trimmed = code.trim();
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if (trimmed.isEmpty) {
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return ParseResult(type: CodeType.invalid, value: code);
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}
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final normalized = trimmed.toUpperCase();
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if (_attachmentRegex.hasMatch(normalized)) {
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final zongpai = normalized.substring(3); // strip "FJ-"
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return ParseResult(type: CodeType.attachmentCode, value: zongpai);
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}
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if (_transitRegex.hasMatch(normalized)) {
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return ParseResult(type: CodeType.locationTransit, value: normalized);
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}
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if (_zongpaiRegex.hasMatch(normalized)) {
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return ParseResult(type: CodeType.zongpaiNo, value: normalized);
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}
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if (_locationRegex.hasMatch(normalized)) {
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if (normalized.startsWith('B')) {
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return ParseResult(
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type: CodeType.locationTempStorage,
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value: normalized,
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);
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}
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return ParseResult(type: CodeType.locationNormal, value: normalized);
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}
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return ParseResult(type: CodeType.invalid, value: code);
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}
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static bool isLocation(CodeType type) =>
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type == CodeType.locationNormal ||
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type == CodeType.locationTransit ||
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type == CodeType.locationTempStorage;
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}
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enum CodeType {
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zongpaiNo,
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attachmentCode,
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locationNormal,
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locationTransit,
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locationTempStorage,
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invalid,
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}
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class ParseResult {
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final CodeType type;
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final String value;
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ParseResult({required this.type, required this.value});
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}
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