Alma Alexyz
70 lines
1.9 KiB
Dart
70 lines
1.9 KiB
Dart
class WordItem {
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final int id; // Base index 0..999
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final int sessionNumber; // Dynamic randomized session number 0..999
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final String word;
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final String partOfSpeech;
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final double frequency;
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final String category;
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final String description;
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const WordItem({
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required this.id,
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this.sessionNumber = 0,
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required this.word,
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required this.partOfSpeech,
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required this.frequency,
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this.category = '',
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this.description = '',
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});
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WordItem copyWith({
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int? id,
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int? sessionNumber,
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String? word,
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String? partOfSpeech,
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double? frequency,
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String? category,
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String? description,
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}) {
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return WordItem(
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id: id ?? this.id,
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sessionNumber: sessionNumber ?? this.sessionNumber,
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word: word ?? this.word,
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partOfSpeech: partOfSpeech ?? this.partOfSpeech,
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frequency: frequency ?? this.frequency,
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category: category ?? this.category,
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description: description ?? this.description,
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);
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}
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String get formattedSessionNumber => sessionNumber.toString().padLeft(3, '0');
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String get formattedId => formattedSessionNumber;
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Map<String, dynamic> toMap() {
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return {
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'id': id,
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'sessionNumber': sessionNumber,
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'word': word,
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'partOfSpeech': partOfSpeech,
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'frequency': frequency,
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'category': category,
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'description': description,
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};
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}
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factory WordItem.fromMap(Map<String, dynamic> map) {
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return WordItem(
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id: map['id'] as int,
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sessionNumber: map['sessionNumber'] as int? ?? (map['id'] as int),
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word: map['word'] as String,
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partOfSpeech: map['partOfSpeech'] as String,
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frequency: (map['frequency'] as num).toDouble(),
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category: map['category'] as String? ?? '',
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description: map['description'] as String? ?? '',
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);
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}
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@override
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String toString() => '#$formattedSessionNumber: $word ($partOfSpeech)';
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}
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