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ignis_app/lib/features/groups/group_form_logic.dart
2026-05-01 09:47:08 +07:00

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This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
import '../../models/ignis_group.dart';
final RegExp _groupIdAllowedPattern = RegExp(r'^[a-z0-9][a-z0-9_-]*$');
final RegExp _groupIdSanitizePattern = RegExp(r'[^a-z0-9_-]+');
final RegExp _dashCollapsePattern = RegExp(r'[-_]{2,}');
const Map<String, String> _transliterationMap = {
'а': 'a',
'б': 'b',
'в': 'v',
'г': 'g',
'д': 'd',
'е': 'e',
'ё': 'e',
'ж': 'zh',
'з': 'z',
'и': 'i',
'й': 'y',
'к': 'k',
'л': 'l',
'м': 'm',
'н': 'n',
'о': 'o',
'п': 'p',
'р': 'r',
'с': 's',
'т': 't',
'у': 'u',
'ф': 'f',
'х': 'h',
'ц': 'ts',
'ч': 'ch',
'ш': 'sh',
'щ': 'sch',
'ъ': '',
'ы': 'y',
'ь': '',
'э': 'e',
'ю': 'yu',
'я': 'ya',
};
String slugifyGroupId(String input) {
final lower = input.trim().toLowerCase();
final buffer = StringBuffer();
for (final rune in lower.runes) {
final char = String.fromCharCode(rune);
buffer.write(_transliterationMap[char] ?? char);
}
var value = buffer
.toString()
.replaceAll(RegExp(r'\s+'), '-')
.replaceAll(_groupIdSanitizePattern, '-')
.replaceAll(_dashCollapsePattern, '-')
.replaceAll(RegExp(r'^[-_]+|[-_]+$'), '');
if (value.length > 32) {
value = value.substring(0, 32).replaceAll(RegExp(r'[-_]+$'), '');
}
return value;
}
String? validateGroupId(String value, Iterable<IgnisGroup> existingGroups) {
final normalized = value.trim().toLowerCase();
if (normalized.isEmpty) {
return 'Укажите ID группы';
}
if (!_groupIdAllowedPattern.hasMatch(normalized)) {
return 'Только латиница, цифры, "-" и "_"';
}
final alreadyExists = existingGroups.any((group) => group.id == normalized);
if (alreadyExists) {
return 'Группа с таким ID уже существует';
}
return null;
}
String? validateGroupName(String value) {
if (value.trim().isEmpty) {
return 'Укажите название группы';
}
return null;
}
List<IgnisGroup> findGroupMembershipConflicts(
Set<String> selectedDeviceIds,
Iterable<IgnisGroup> existingGroups,
) {
if (selectedDeviceIds.isEmpty) {
return const [];
}
return existingGroups
.where(
(group) =>
group.macs.any((deviceId) => selectedDeviceIds.contains(deviceId)),
)
.toList();
}