Files
Eventify-frontend/lib/features/reviews/models/review_models.dart
Sicherhaven 1badeff966 feat: add complete review/rating system for events
New feature: Users can view, submit, and interact with event reviews.

Components added:
- ReviewModel, ReviewStatsModel, ReviewListResponse (models)
- ReviewService with getReviews, submitReview, markHelpful, flagReview
- StarRatingInput (interactive 5-star picker with labels)
- StarDisplay (read-only fractional star display)
- ReviewSummary (average rating + distribution bars)
- ReviewForm (star picker + comment field + submit/update)
- ReviewCard (avatar, timestamp, expandable comment, helpful/flag)
- ReviewSection (main container with pagination and state mgmt)

Integration:
- Added to LearnMoreScreen (both mobile and desktop layouts)
- Review API endpoints point to app.eventifyplus.com Node.js backend
- EventModel updated with averageRating/reviewCount fields

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-30 18:04:37 +05:30

114 lines
3.3 KiB
Dart

// lib/features/reviews/models/review_models.dart
class ReviewModel {
final int id;
final int eventId;
final String username;
final int rating;
final String? comment;
final String status;
final DateTime createdAt;
final DateTime updatedAt;
final bool isVerified;
final int helpfulCount;
final int flagCount;
final bool userMarkedHelpful;
final bool userFlagged;
ReviewModel({
required this.id,
required this.eventId,
required this.username,
required this.rating,
this.comment,
this.status = 'PUBLISHED',
required this.createdAt,
required this.updatedAt,
this.isVerified = false,
this.helpfulCount = 0,
this.flagCount = 0,
this.userMarkedHelpful = false,
this.userFlagged = false,
});
factory ReviewModel.fromJson(Map<String, dynamic> j, {Map<String, bool>? interactions}) {
return ReviewModel(
id: j['id'] as int,
eventId: j['event_id'] as int,
username: (j['username'] ?? j['display_name'] ?? 'Anonymous') as String,
rating: j['rating'] as int,
comment: j['comment'] as String?,
status: (j['status'] ?? 'PUBLISHED') as String,
createdAt: DateTime.tryParse(j['created_at'] ?? '') ?? DateTime.now(),
updatedAt: DateTime.tryParse(j['updated_at'] ?? '') ?? DateTime.now(),
isVerified: j['is_verified'] == true,
helpfulCount: (j['helpful_count'] ?? 0) as int,
flagCount: (j['flag_count'] ?? 0) as int,
userMarkedHelpful: interactions?['helpful'] ?? false,
userFlagged: interactions?['flag'] ?? false,
);
}
ReviewModel copyWith({int? helpfulCount, bool? userMarkedHelpful, bool? userFlagged}) {
return ReviewModel(
id: id, eventId: eventId, username: username, rating: rating,
comment: comment, status: status, createdAt: createdAt, updatedAt: updatedAt,
isVerified: isVerified,
helpfulCount: helpfulCount ?? this.helpfulCount,
flagCount: flagCount,
userMarkedHelpful: userMarkedHelpful ?? this.userMarkedHelpful,
userFlagged: userFlagged ?? this.userFlagged,
);
}
}
class ReviewStatsModel {
final double averageRating;
final int reviewCount;
final Map<int, int> distribution;
ReviewStatsModel({
required this.averageRating,
required this.reviewCount,
required this.distribution,
});
factory ReviewStatsModel.fromJson(Map<String, dynamic> j) {
final dist = <int, int>{1: 0, 2: 0, 3: 0, 4: 0, 5: 0};
final rawDist = j['distribution'];
if (rawDist is Map) {
rawDist.forEach((k, v) {
final key = int.tryParse(k.toString());
if (key != null && key >= 1 && key <= 5) dist[key] = (v as num).toInt();
});
} else if (rawDist is List) {
for (int i = 0; i < rawDist.length && i < 5; i++) {
dist[i + 1] = (rawDist[i] as num).toInt();
}
}
return ReviewStatsModel(
averageRating: (j['average_rating'] as num?)?.toDouble() ?? 0.0,
reviewCount: (j['review_count'] as num?)?.toInt() ?? 0,
distribution: dist,
);
}
}
class ReviewListResponse {
final List<ReviewModel> reviews;
final ReviewStatsModel stats;
final ReviewModel? userReview;
final int total;
final int page;
final int pageSize;
ReviewListResponse({
required this.reviews,
required this.stats,
this.userReview,
required this.total,
required this.page,
required this.pageSize,
});
}