465 lines
14 KiB
Dart
465 lines
14 KiB
Dart
import 'package:logging/logging.dart';
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import 'package:photos/core/event_bus.dart';
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import 'package:photos/data/holidays.dart';
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import 'package:photos/data/months.dart';
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import 'package:photos/data/years.dart';
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import 'package:photos/db/files_db.dart';
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import 'package:photos/events/local_photos_updated_event.dart';
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import 'package:photos/models/collection/collection.dart';
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import 'package:photos/models/collection/collection_items.dart';
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import 'package:photos/models/file/file.dart';
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import 'package:photos/models/file/file_type.dart';
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import "package:photos/models/local_entity_data.dart";
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import "package:photos/models/location_tag/location_tag.dart";
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import 'package:photos/models/search/album_search_result.dart';
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import 'package:photos/models/search/generic_search_result.dart';
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import 'package:photos/models/search/search_result.dart';
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import 'package:photos/services/collections_service.dart';
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import "package:photos/services/location_service.dart";
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import "package:photos/states/location_screen_state.dart";
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import "package:photos/ui/viewer/location/location_screen.dart";
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import 'package:photos/utils/date_time_util.dart';
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import "package:photos/utils/navigation_util.dart";
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import 'package:tuple/tuple.dart';
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class SearchService {
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Future<List<EnteFile>>? _cachedFilesFuture;
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final _logger = Logger((SearchService).toString());
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final _collectionService = CollectionsService.instance;
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static const _maximumResultsLimit = 20;
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SearchService._privateConstructor();
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static final SearchService instance = SearchService._privateConstructor();
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void init() {
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Bus.instance.on<LocalPhotosUpdatedEvent>().listen((event) {
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// only invalidate, let the load happen on demand
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_cachedFilesFuture = null;
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});
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}
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Set<int> ignoreCollections() {
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return CollectionsService.instance.getHiddenCollectionIds();
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}
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Future<List<EnteFile>> getAllFiles() async {
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if (_cachedFilesFuture != null) {
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return _cachedFilesFuture!;
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}
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_logger.fine("Reading all files from db");
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_cachedFilesFuture =
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FilesDB.instance.getAllFilesFromDB(ignoreCollections());
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return _cachedFilesFuture!;
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}
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void clearCache() {
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_cachedFilesFuture = null;
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}
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// getFilteredCollectionsWithThumbnail removes deleted or archived or
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// collections which don't have a file from search result
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Future<List<AlbumSearchResult>> getCollectionSearchResults(
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String query,
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) async {
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final List<Collection> collections = _collectionService.getCollectionsForUI(
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includedShared: true,
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);
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final List<AlbumSearchResult> collectionSearchResults = [];
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for (var c in collections) {
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if (collectionSearchResults.length >= _maximumResultsLimit) {
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break;
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}
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if (!c.isHidden() &&
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c.type != CollectionType.uncategorized &&
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c.displayName.toLowerCase().contains(
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query.toLowerCase(),
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)) {
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final EnteFile? thumbnail = await _collectionService.getCover(c);
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collectionSearchResults
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.add(AlbumSearchResult(CollectionWithThumbnail(c, thumbnail)));
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}
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}
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return collectionSearchResults;
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}
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Future<List<GenericSearchResult>> getYearSearchResults(
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String yearFromQuery,
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) async {
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final List<GenericSearchResult> searchResults = [];
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for (var yearData in YearsData.instance.yearsData) {
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if (yearData.year.startsWith(yearFromQuery)) {
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final List<EnteFile> filesInYear = await _getFilesInYear(yearData.duration);
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if (filesInYear.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.year,
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yearData.year,
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filesInYear,
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),
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);
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}
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}
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}
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return searchResults;
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}
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Future<List<GenericSearchResult>> getHolidaySearchResults(
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String query,
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) async {
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final List<GenericSearchResult> searchResults = [];
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for (var holiday in allHolidays) {
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if (holiday.name.toLowerCase().contains(query.toLowerCase())) {
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final matchedFiles =
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await FilesDB.instance.getFilesCreatedWithinDurations(
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_getDurationsForCalendarDateInEveryYear(holiday.day, holiday.month),
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ignoreCollections(),
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order: 'DESC',
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);
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if (matchedFiles.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(ResultType.event, holiday.name, matchedFiles),
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);
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}
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}
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}
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return searchResults;
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}
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Future<List<GenericSearchResult>> getFileTypeResults(
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String query,
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) async {
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final List<GenericSearchResult> searchResults = [];
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final List<EnteFile> allFiles = await getAllFiles();
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for (var fileType in FileType.values) {
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final String fileTypeString = getHumanReadableString(fileType);
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if (fileTypeString.toLowerCase().startsWith(query.toLowerCase())) {
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final matchedFiles =
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allFiles.where((e) => e.fileType == fileType).toList();
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if (matchedFiles.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.fileType,
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fileTypeString,
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matchedFiles,
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),
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);
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}
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}
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}
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return searchResults;
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}
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Future<List<GenericSearchResult>> getCaptionAndNameResults(
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String query,
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) async {
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final List<GenericSearchResult> searchResults = [];
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if (query.isEmpty) {
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return searchResults;
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}
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final RegExp pattern = RegExp(query, caseSensitive: false);
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final List<EnteFile> allFiles = await getAllFiles();
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final List<EnteFile> captionMatch = <EnteFile>[];
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final List<EnteFile> displayNameMatch = <EnteFile>[];
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for (EnteFile eachFile in allFiles) {
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if (eachFile.caption != null && pattern.hasMatch(eachFile.caption!)) {
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captionMatch.add(eachFile);
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}
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if (pattern.hasMatch(eachFile.displayName)) {
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displayNameMatch.add(eachFile);
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}
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}
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if (captionMatch.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.fileCaption,
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query,
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captionMatch,
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),
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);
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}
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if (displayNameMatch.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.file,
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query,
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displayNameMatch,
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),
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);
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}
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return searchResults;
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}
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Future<List<GenericSearchResult>> getFileExtensionResults(
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String query,
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) async {
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final List<GenericSearchResult> searchResults = [];
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if (!query.startsWith(".")) {
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return searchResults;
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}
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final List<EnteFile> allFiles = await getAllFiles();
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final Map<String, List<EnteFile>> resultMap = <String, List<EnteFile>>{};
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for (EnteFile eachFile in allFiles) {
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final String fileName = eachFile.displayName;
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if (fileName.contains(query)) {
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final String exnType = fileName.split(".").last.toUpperCase();
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if (!resultMap.containsKey(exnType)) {
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resultMap[exnType] = <EnteFile>[];
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}
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resultMap[exnType]!.add(eachFile);
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}
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}
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for (MapEntry<String, List<EnteFile>> entry in resultMap.entries) {
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searchResults.add(
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GenericSearchResult(
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ResultType.fileExtension,
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entry.key.toUpperCase(),
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entry.value,
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),
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);
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}
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return searchResults;
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}
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Future<List<GenericSearchResult>> getLocationResults(
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String query,
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) async {
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final locationTagEntities =
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(await LocationService.instance.getLocationTags());
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final Map<LocalEntity<LocationTag>, List<EnteFile>> result = {};
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final bool showNoLocationTag = query.length > 2 &&
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"No Location Tag".toLowerCase().startsWith(query.toLowerCase());
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final List<GenericSearchResult> searchResults = [];
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for (LocalEntity<LocationTag> tag in locationTagEntities) {
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if (tag.item.name.toLowerCase().contains(query.toLowerCase())) {
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result[tag] = [];
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}
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}
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if (result.isEmpty && !showNoLocationTag) {
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return searchResults;
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}
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final allFiles = await getAllFiles();
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for (EnteFile file in allFiles) {
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if (file.hasLocation) {
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for (LocalEntity<LocationTag> tag in result.keys) {
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if (LocationService.instance.isFileInsideLocationTag(
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tag.item.centerPoint,
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file.location!,
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tag.item.radius,
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)) {
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result[tag]!.add(file);
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}
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}
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}
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}
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if (showNoLocationTag) {
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_logger.fine("finding photos with no location");
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// find files that have location but the file's location is not inside
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// any location tag
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final noLocationTagFiles = allFiles.where((file) {
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if (!file.hasLocation) {
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return false;
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}
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for (LocalEntity<LocationTag> tag in locationTagEntities) {
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if (LocationService.instance.isFileInsideLocationTag(
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tag.item.centerPoint,
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file.location!,
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tag.item.radius,
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)) {
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return false;
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}
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}
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return true;
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}).toList();
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if (noLocationTagFiles.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.fileType,
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"No Location Tag",
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noLocationTagFiles,
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),
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);
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}
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}
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for (MapEntry<LocalEntity<LocationTag>, List<EnteFile>> entry
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in result.entries) {
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if (entry.value.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.location,
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entry.key.item.name,
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entry.value,
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onResultTap: (ctx) {
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routeToPage(
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ctx,
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LocationScreenStateProvider(
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entry.key,
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const LocationScreen(),
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),
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);
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},
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),
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);
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}
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}
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return searchResults;
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}
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Future<List<GenericSearchResult>> getMonthSearchResults(String query) async {
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final List<GenericSearchResult> searchResults = [];
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for (var month in _getMatchingMonths(query)) {
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final matchedFiles =
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await FilesDB.instance.getFilesCreatedWithinDurations(
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_getDurationsOfMonthInEveryYear(month.monthNumber),
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ignoreCollections(),
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order: 'DESC',
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);
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if (matchedFiles.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.month,
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month.name,
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matchedFiles,
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),
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);
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}
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}
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return searchResults;
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}
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Future<List<GenericSearchResult>> getDateResults(
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String query,
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) async {
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final List<GenericSearchResult> searchResults = [];
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final potentialDates = _getPossibleEventDate(query);
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for (var potentialDate in potentialDates) {
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final int day = potentialDate.item1;
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final int month = potentialDate.item2.monthNumber;
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final int? year = potentialDate.item3; // nullable
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final matchedFiles =
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await FilesDB.instance.getFilesCreatedWithinDurations(
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_getDurationsForCalendarDateInEveryYear(day, month, year: year),
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ignoreCollections(),
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order: 'DESC',
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);
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if (matchedFiles.isNotEmpty) {
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searchResults.add(
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GenericSearchResult(
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ResultType.event,
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'$day ${potentialDate.item2.name} ${year ?? ''}',
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matchedFiles,
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),
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);
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}
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}
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return searchResults;
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}
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List<MonthData> _getMatchingMonths(String query) {
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return allMonths
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.where(
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(monthData) =>
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monthData.name.toLowerCase().startsWith(query.toLowerCase()),
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)
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.toList();
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}
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Future<List<EnteFile>> _getFilesInYear(List<int> durationOfYear) async {
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return await FilesDB.instance.getFilesCreatedWithinDurations(
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[durationOfYear],
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ignoreCollections(),
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order: "DESC",
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);
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}
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List<List<int>> _getDurationsForCalendarDateInEveryYear(
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int day,
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int month, {
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int? year,
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}) {
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final List<List<int>> durationsOfHolidayInEveryYear = [];
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final int startYear = year ?? searchStartYear;
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final int endYear = year ?? currentYear;
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for (var yr = startYear; yr <= endYear; yr++) {
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if (isValidDate(day: day, month: month, year: yr)) {
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durationsOfHolidayInEveryYear.add([
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DateTime(yr, month, day).microsecondsSinceEpoch,
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DateTime(yr, month, day + 1).microsecondsSinceEpoch,
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]);
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}
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}
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return durationsOfHolidayInEveryYear;
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}
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List<List<int>> _getDurationsOfMonthInEveryYear(int month) {
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final List<List<int>> durationsOfMonthInEveryYear = [];
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for (var year = searchStartYear; year <= currentYear; year++) {
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durationsOfMonthInEveryYear.add([
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DateTime.utc(year, month, 1).microsecondsSinceEpoch,
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month == 12
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? DateTime(year + 1, 1, 1).microsecondsSinceEpoch
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: DateTime(year, month + 1, 1).microsecondsSinceEpoch,
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]);
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}
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return durationsOfMonthInEveryYear;
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}
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List<Tuple3<int, MonthData, int?>> _getPossibleEventDate(String query) {
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final List<Tuple3<int, MonthData, int?>> possibleEvents = [];
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if (query.trim().isEmpty) {
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return possibleEvents;
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}
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final result = query
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.trim()
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.split(RegExp('[ ,-/]+'))
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.map((e) => e.trim())
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.where((e) => e.isNotEmpty)
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.toList();
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final resultCount = result.length;
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if (resultCount < 1 || resultCount > 4) {
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return possibleEvents;
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}
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final int? day = int.tryParse(result[0]);
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if (day == null || day < 1 || day > 31) {
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return possibleEvents;
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}
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final List<MonthData> potentialMonth =
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resultCount > 1 ? _getMatchingMonths(result[1]) : allMonths;
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final int? parsedYear = resultCount >= 3 ? int.tryParse(result[2]) : null;
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final List<int> matchingYears = [];
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if (parsedYear != null) {
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bool foundMatch = false;
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for (int i = searchStartYear; i <= currentYear; i++) {
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if (i.toString().startsWith(parsedYear.toString())) {
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matchingYears.add(i);
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foundMatch = foundMatch || (i == parsedYear);
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}
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}
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if (!foundMatch && parsedYear > 1000 && parsedYear <= currentYear) {
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matchingYears.add(parsedYear);
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}
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}
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for (var element in potentialMonth) {
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if (matchingYears.isEmpty) {
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possibleEvents.add(Tuple3(day, element, null));
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} else {
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for (int yr in matchingYears) {
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possibleEvents.add(Tuple3(day, element, yr));
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}
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}
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}
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return possibleEvents;
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}
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}
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