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feat: finish implementing proper nouns
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,193 @@ | ||
| import 'package:drift/drift.dart'; | ||
| import 'package:kana_kit/kana_kit.dart'; | ||
| import 'package:sagase_dictionary/src/database.dart'; | ||
| import 'package:sagase_dictionary/src/datamodels/proper_nouns.dart'; | ||
| import 'package:sagase_dictionary/src/utils/string_utils.dart'; | ||
|
|
||
| part 'proper_nouns_dao.g.dart'; | ||
|
|
||
| @DriftAccessor(tables: [ProperNouns]) | ||
| class ProperNounsDao extends DatabaseAccessor<AppDatabase> | ||
| with _$ProperNounsDaoMixin { | ||
| final _kanaKit = const KanaKit().copyWithConfig(passRomaji: true); | ||
|
|
||
| ProperNounsDao(super.db); | ||
|
|
||
| Future<void> importProperNouns(String path) async { | ||
| await db.customStatement('ATTACH DATABASE ? AS proper_noun_db', [path]); | ||
| await db.transaction(() async { | ||
| await db.customStatement( | ||
| 'INSERT INTO ${db.properNouns.actualTableName} SELECT * FROM proper_noun_db.${db.properNouns.actualTableName}', | ||
| ); | ||
| await db.customStatement( | ||
| 'INSERT INTO ${db.properNounRomajiWords.actualTableName} SELECT * FROM proper_noun_db.${db.properNounRomajiWords.actualTableName}', | ||
| ); | ||
| }); | ||
| await db.customStatement('DETACH DATABASE proper_noun_db'); | ||
| } | ||
|
|
||
| Future<void> deleteProperNouns() async { | ||
| await db.delete(db.properNouns).go(); | ||
| await db.delete(db.properNounRomajiWords).go(); | ||
| } | ||
|
|
||
| Future<List<ProperNoun>> getByWriting(String text) async { | ||
| return (db.select(db.properNouns) | ||
| ..where( | ||
| (properNoun) => Expression.or([ | ||
| properNoun.writing.equals(text), | ||
| properNoun.writingSearchForm.equals( | ||
| _kanaKit.toHiragana(text.toLowerCase().romajiToHalfWidth())), | ||
| ]), | ||
| )) | ||
| .get(); | ||
| } | ||
|
|
||
| Future<List<ProperNoun>> getByReading(String text) async { | ||
| return (db.select(db.properNouns) | ||
| ..where((properNoun) => Expression.or([ | ||
| properNoun.reading.equals(text), | ||
| properNoun.readingSearchForm.equals(_kanaKit.toHiragana(text)), | ||
| ]))) | ||
| .get(); | ||
| } | ||
|
|
||
| Future<List<ProperNoun>> getByWritingAndReading( | ||
| String writing, | ||
| String reading, | ||
| ) { | ||
| return (db.select(db.properNouns) | ||
| ..where((properNoun) => Expression.and([ | ||
| Expression.or([ | ||
| properNoun.writing.equals(writing), | ||
| properNoun.writingSearchForm.equals(_kanaKit | ||
| .toHiragana(writing.toLowerCase().romajiToHalfWidth())), | ||
| ]), | ||
| Expression.or([ | ||
| properNoun.reading.equals(reading), | ||
| properNoun.readingSearchForm | ||
| .equals(_kanaKit.toHiragana(reading)), | ||
| ]), | ||
| ]))) | ||
| .get(); | ||
| } | ||
|
|
||
| Future<List<ProperNoun>> search(String text) async { | ||
| final cleanedText = RegExp.escape(text).toLowerCase().removeDiacritics(); | ||
|
|
||
| if (_kanaKit.isRomaji(cleanedText)) { | ||
| // Romaji | ||
| final splits = cleanedText.splitWords(); | ||
|
|
||
| if (splits.length == 1) { | ||
| final lengthColumn = db.properNouns.romaji.length.iif( | ||
| db.properNouns.romaji.collate(Collate.noCase).like('$cleanedText%'), | ||
| db.properNouns.readingRomaji.length, | ||
| ); | ||
|
|
||
| return (db.select(db.properNouns).join([ | ||
| leftOuterJoin( | ||
| db.properNounRomajiWords, | ||
| db.properNounRomajiWords.properNounId.equalsExp(db.properNouns.id), | ||
| ) | ||
| ]) | ||
| ..where(Expression.or([ | ||
| db.properNounRomajiWords.word.like('$cleanedText%'), | ||
| db.properNouns.readingRomaji.like('$cleanedText%'), | ||
| db.properNouns.readingRomajiSimplified.like('$cleanedText%'), | ||
| db.properNouns.romaji | ||
| .collate(Collate.noCase) | ||
| .like('$cleanedText%'), | ||
| ])) | ||
| ..orderBy([OrderingTerm.asc(lengthColumn)]) | ||
| ..groupBy([db.properNouns.id]) | ||
| ..limit(500)) | ||
| .map((row) => row.readTable(db.properNouns)) | ||
| .get(); | ||
| } else { | ||
| // Create a join that matches all but the last word and starts with for the last word | ||
| // Then use having to exclude results that don't contain all words | ||
| final uniqueWords = splits.toSet().toList(); | ||
| // Last word in splits might match another word so make sure to separate words correctly | ||
| late final List<String> wordsExceptLast; | ||
| if (splits.where((e) => e == splits.last).length > 1) { | ||
| wordsExceptLast = uniqueWords; | ||
| } else { | ||
| wordsExceptLast = uniqueWords.sublist(0, uniqueWords.length - 1); | ||
| } | ||
| final startsWithLastWord = '${splits.last}%'; | ||
| final minStartsWithLastWordLength = db.properNounRomajiWords.word.length | ||
| .min( | ||
| filter: db.properNounRomajiWords.word.like(startsWithLastWord)); | ||
|
|
||
| return (db.select(db.properNouns).join([ | ||
| innerJoin( | ||
| db.properNounRomajiWords, | ||
| db.properNounRomajiWords.properNounId.equalsExp(db.properNouns.id), | ||
| ), | ||
| ]) | ||
| ..addColumns([minStartsWithLastWordLength]) | ||
| ..where(Expression.or([ | ||
| db.properNounRomajiWords.word.isIn(wordsExceptLast), | ||
| db.properNounRomajiWords.word.like(startsWithLastWord), | ||
| ])) | ||
| ..orderBy([ | ||
| OrderingTerm.asc( | ||
| minStartsWithLastWordLength, | ||
| nulls: NullsOrder.last, | ||
| ), | ||
| ]) | ||
| ..groupBy( | ||
| [db.properNouns.id], | ||
| having: Expression.and([ | ||
| db.properNounRomajiWords.word | ||
| .caseMatch(when: { | ||
| for (var w in wordsExceptLast) Variable(w): Variable(w) | ||
| }) | ||
| .count(distinct: true) | ||
| .equals(wordsExceptLast.length), | ||
| CaseWhenExpression(cases: [ | ||
| CaseWhen( | ||
| db.properNounRomajiWords.word.like(startsWithLastWord), | ||
| then: const Constant(0), | ||
| ), | ||
| ]).count().isBiggerOrEqualValue(1), | ||
| ]), | ||
| ) | ||
| ..limit(500)) | ||
| .map((row) => row.readTable(db.properNouns)) | ||
| .get(); | ||
| } | ||
| } else { | ||
| // Japanese text | ||
| if (_kanaKit.isKana(cleanedText)) { | ||
| // Search by reading | ||
| return (db.select(db.properNouns) | ||
| ..where((properNoun) => Expression.or([ | ||
| properNoun.reading.like('$cleanedText%'), | ||
| properNoun.readingSearchForm | ||
| .like(_kanaKit.toHiragana('$cleanedText%')), | ||
| ])) | ||
| ..orderBy([ | ||
| (properNoun) => OrderingTerm.asc(properNoun.reading.length), | ||
| ]) | ||
| ..limit(500)) | ||
| .get(); | ||
| } else { | ||
| // Search by writing | ||
| return (db.select(db.properNouns) | ||
| ..where((properNoun) => Expression.or([ | ||
| properNoun.writing.like('$cleanedText%'), | ||
| properNoun.writingSearchForm.like(_kanaKit.toHiragana( | ||
| '$cleanedText%'.toLowerCase().romajiToHalfWidth())), | ||
| ])) | ||
| ..orderBy([ | ||
| (properNoun) => OrderingTerm.asc(properNoun.writing.length), | ||
| (properNoun) => OrderingTerm.asc(properNoun.reading.length), | ||
| ]) | ||
| ..limit(500)) | ||
| .get(); | ||
| } | ||
| } | ||
| } | ||
| } |
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