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sjk
408
client/lib/features/writing/models/writing_submission.dart
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408
client/lib/features/writing/models/writing_submission.dart
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import 'writing_task.dart';
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class WritingSubmission {
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final String id;
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final String taskId;
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final String userId;
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final String content;
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final int wordCount;
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final int timeSpent; // 秒
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final WritingStatus status;
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final DateTime submittedAt;
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final WritingFeedback? feedback;
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final WritingScore? score;
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const WritingSubmission({
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required this.id,
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required this.taskId,
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required this.userId,
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required this.content,
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required this.wordCount,
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required this.timeSpent,
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required this.status,
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required this.submittedAt,
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this.feedback,
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this.score,
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});
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factory WritingSubmission.fromJson(Map<String, dynamic> json) {
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return WritingSubmission(
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id: json['id'] as String,
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taskId: json['taskId'] as String,
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userId: json['userId'] as String,
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content: json['content'] as String,
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wordCount: json['wordCount'] as int,
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timeSpent: json['timeSpent'] as int,
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status: WritingStatus.values.firstWhere(
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(e) => e.name == json['status'],
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orElse: () => WritingStatus.draft,
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),
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submittedAt: DateTime.parse(json['submittedAt'] as String),
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feedback: json['feedback'] != null
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? WritingFeedback.fromJson(json['feedback'] as Map<String, dynamic>)
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: null,
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score: json['score'] != null
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? WritingScore.fromJson(json['score'] as Map<String, dynamic>)
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: null,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'taskId': taskId,
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'userId': userId,
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'content': content,
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'wordCount': wordCount,
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'timeSpent': timeSpent,
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'status': status.name,
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'submittedAt': submittedAt.toIso8601String(),
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'feedback': feedback?.toJson(),
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'score': score?.toJson(),
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};
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}
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WritingSubmission copyWith({
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String? id,
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String? taskId,
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String? userId,
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String? content,
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int? wordCount,
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int? timeSpent,
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WritingStatus? status,
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DateTime? submittedAt,
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WritingFeedback? feedback,
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WritingScore? score,
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}) {
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return WritingSubmission(
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id: id ?? this.id,
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taskId: taskId ?? this.taskId,
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userId: userId ?? this.userId,
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content: content ?? this.content,
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wordCount: wordCount ?? this.wordCount,
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timeSpent: timeSpent ?? this.timeSpent,
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status: status ?? this.status,
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submittedAt: submittedAt ?? this.submittedAt,
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feedback: feedback ?? this.feedback,
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score: score ?? this.score,
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);
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}
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}
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class WritingFeedback {
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final String id;
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final String submissionId;
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final String overallComment;
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final List<WritingCriteriaFeedback> criteriaFeedbacks;
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final List<WritingError> errors;
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final List<WritingSuggestion> suggestions;
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final DateTime createdAt;
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const WritingFeedback({
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required this.id,
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required this.submissionId,
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required this.overallComment,
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required this.criteriaFeedbacks,
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required this.errors,
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required this.suggestions,
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required this.createdAt,
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});
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factory WritingFeedback.fromJson(Map<String, dynamic> json) {
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return WritingFeedback(
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id: json['id'] as String,
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submissionId: json['submissionId'] as String,
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overallComment: json['overallComment'] as String,
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criteriaFeedbacks: (json['criteriaFeedbacks'] as List<dynamic>)
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.map((e) => WritingCriteriaFeedback.fromJson(e as Map<String, dynamic>))
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.toList(),
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errors: (json['errors'] as List<dynamic>)
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.map((e) => WritingError.fromJson(e as Map<String, dynamic>))
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.toList(),
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suggestions: (json['suggestions'] as List<dynamic>)
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.map((e) => WritingSuggestion.fromJson(e as Map<String, dynamic>))
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.toList(),
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createdAt: DateTime.parse(json['createdAt'] as String),
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'submissionId': submissionId,
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'overallComment': overallComment,
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'criteriaFeedbacks': criteriaFeedbacks.map((e) => e.toJson()).toList(),
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'errors': errors.map((e) => e.toJson()).toList(),
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'suggestions': suggestions.map((e) => e.toJson()).toList(),
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'createdAt': createdAt.toIso8601String(),
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};
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}
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}
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class WritingScore {
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final String id;
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final String submissionId;
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final double totalScore;
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final double maxScore;
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final Map<WritingCriteria, double> criteriaScores;
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final String grade;
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final DateTime createdAt;
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const WritingScore({
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required this.id,
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required this.submissionId,
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required this.totalScore,
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required this.maxScore,
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required this.criteriaScores,
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required this.grade,
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required this.createdAt,
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});
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double get percentage => (totalScore / maxScore) * 100;
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factory WritingScore.fromJson(Map<String, dynamic> json) {
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return WritingScore(
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id: json['id'] as String,
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submissionId: json['submissionId'] as String,
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totalScore: (json['totalScore'] as num).toDouble(),
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maxScore: (json['maxScore'] as num).toDouble(),
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criteriaScores: Map<WritingCriteria, double>.fromEntries(
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(json['criteriaScores'] as Map<String, dynamic>).entries.map(
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(e) => MapEntry(
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WritingCriteria.values.firstWhere((c) => c.name == e.key),
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(e.value as num).toDouble(),
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),
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),
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),
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grade: json['grade'] as String,
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createdAt: DateTime.parse(json['createdAt'] as String),
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'submissionId': submissionId,
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'totalScore': totalScore,
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'maxScore': maxScore,
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'criteriaScores': Map<String, dynamic>.fromEntries(
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criteriaScores.entries.map(
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(e) => MapEntry(e.key.name, e.value),
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),
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),
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'grade': grade,
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'createdAt': createdAt.toIso8601String(),
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};
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}
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}
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class WritingCriteriaFeedback {
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final WritingCriteria criteria;
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final double score;
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final double maxScore;
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final String comment;
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final List<String> strengths;
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final List<String> improvements;
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const WritingCriteriaFeedback({
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required this.criteria,
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required this.score,
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required this.maxScore,
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required this.comment,
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required this.strengths,
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required this.improvements,
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});
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factory WritingCriteriaFeedback.fromJson(Map<String, dynamic> json) {
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return WritingCriteriaFeedback(
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criteria: WritingCriteria.values.firstWhere(
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(e) => e.name == json['criteria'],
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),
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score: (json['score'] as num).toDouble(),
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maxScore: (json['maxScore'] as num).toDouble(),
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comment: json['comment'] as String,
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strengths: List<String>.from(json['strengths'] ?? []),
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improvements: List<String>.from(json['improvements'] ?? []),
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'criteria': criteria.name,
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'score': score,
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'maxScore': maxScore,
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'comment': comment,
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'strengths': strengths,
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'improvements': improvements,
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};
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}
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}
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class WritingError {
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final WritingErrorType type;
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final String description;
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final String originalText;
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final String? suggestedText;
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final int startPosition;
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final int endPosition;
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final String explanation;
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const WritingError({
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required this.type,
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required this.description,
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required this.originalText,
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this.suggestedText,
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required this.startPosition,
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required this.endPosition,
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required this.explanation,
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});
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factory WritingError.fromJson(Map<String, dynamic> json) {
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return WritingError(
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type: WritingErrorType.values.firstWhere(
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(e) => e.name == json['type'],
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),
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description: json['description'] as String,
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originalText: json['originalText'] as String,
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suggestedText: json['suggestedText'] as String?,
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startPosition: json['startPosition'] as int,
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endPosition: json['endPosition'] as int,
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explanation: json['explanation'] as String,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'type': type.name,
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'description': description,
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'originalText': originalText,
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'suggestedText': suggestedText,
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'startPosition': startPosition,
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'endPosition': endPosition,
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'explanation': explanation,
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};
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}
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}
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class WritingSuggestion {
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final WritingSuggestionType type;
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final String title;
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final String description;
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final String? example;
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final int? position;
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const WritingSuggestion({
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required this.type,
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required this.title,
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required this.description,
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this.example,
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this.position,
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});
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factory WritingSuggestion.fromJson(Map<String, dynamic> json) {
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return WritingSuggestion(
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type: WritingSuggestionType.values.firstWhere(
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(e) => e.name == json['type'],
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),
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title: json['title'] as String,
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description: json['description'] as String,
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example: json['example'] as String?,
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position: json['position'] as int?,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'type': type.name,
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'title': title,
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'description': description,
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'example': example,
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'position': position,
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};
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}
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}
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enum WritingStatus {
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draft,
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submitted,
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grading,
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graded,
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revised,
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}
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enum WritingCriteria {
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content,
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organization,
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vocabulary,
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grammar,
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mechanics,
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}
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enum WritingErrorType {
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grammar,
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spelling,
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punctuation,
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vocabulary,
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structure,
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style,
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}
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enum WritingSuggestionType {
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improvement,
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enhancement,
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alternative,
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clarification,
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}
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extension WritingStatusExtension on WritingStatus {
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String get displayName {
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switch (this) {
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case WritingStatus.draft:
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return '草稿';
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case WritingStatus.submitted:
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return '已提交';
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case WritingStatus.grading:
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return '评分中';
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case WritingStatus.graded:
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return '已评分';
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case WritingStatus.revised:
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return '已修改';
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}
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}
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}
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extension WritingCriteriaExtension on WritingCriteria {
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String get displayName {
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switch (this) {
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case WritingCriteria.content:
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return '内容';
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case WritingCriteria.organization:
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return '结构';
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case WritingCriteria.vocabulary:
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return '词汇';
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case WritingCriteria.grammar:
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return '语法';
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case WritingCriteria.mechanics:
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return '拼写标点';
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}
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}
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}
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extension WritingErrorTypeExtension on WritingErrorType {
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String get displayName {
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switch (this) {
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case WritingErrorType.grammar:
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return '语法错误';
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case WritingErrorType.spelling:
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return '拼写错误';
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case WritingErrorType.punctuation:
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return '标点错误';
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case WritingErrorType.vocabulary:
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return '词汇错误';
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case WritingErrorType.structure:
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return '结构错误';
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case WritingErrorType.style:
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return '风格问题';
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}
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}
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}
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