feat(flutter): 接入互动评论点赞举报

lib/core/data/models/comment.dart

@@ -0,0 +1,132 @@
+// Author: fruit.com.cn
+
+import 'json_numbers.dart';
+
+/// 评论游标分页大小，契约 §1.7 使用游标而非页码。
+const int commentPageSize = 20;
+
+/// 评论列表页。
+class CommentPage {
+  const CommentPage({
+    this.comments = const [],
+    this.nextCursor,
+    this.hasMore = false,
+  });
+
+  final List<DramaComment> comments;
+  final String? nextCursor;
+  final bool hasMore;
+
+  /// 解析后端 `CursorResult{list,nextCursor,hasMore}`。
+  factory CommentPage.fromJson(Map<String, dynamic> json) {
+    final rawList = json['list'];
+    return CommentPage(
+      comments: [
+        if (rawList is List)
+          for (final item in rawList)
+            if (item is Map<String, dynamic>) DramaComment.fromJson(item),
+      ],
+      nextCursor: json['nextCursor'] == null
+          ? null
+          : jsonToId(json['nextCursor']),
+      hasMore: json['hasMore'] == true,
+    );
+  }
+}
+
+/// 服务端评论视图，字段对应 `CommentRespVO`。
+class DramaComment {
+  const DramaComment({
+    required this.id,
+    required this.dramaId,
+    required this.episodeId,
+    required this.parentId,
+    required this.rootId,
+    required this.userId,
+    required this.uid,
+    required this.nickname,
+    required this.avatarUrl,
+    required this.content,
+    required this.status,
+    required this.auditReason,
+    required this.likeCount,
+    required this.replyCount,
+    required this.reportCount,
+    required this.createdAt,
+    required this.mine,
+    required this.liked,
+  });
+
+  final String id;
+  final String dramaId;
+  final String episodeId;
+  final String parentId;
+  final String rootId;
+  final String userId;
+  final String uid;
+  final String nickname;
+  final String avatarUrl;
+  final String content;
+  final String status;
+  final String auditReason;
+  final int likeCount;
+  final int replyCount;
+  final int reportCount;
+  final DateTime? createdAt;
+  final bool mine;
+  final bool liked;
+
+  /// 待人工审核的评论仅本人可见。
+  bool get isPending => status == 'pending';
+
+  /// 顶层评论没有父评论。
+  bool get isTopLevel => parentId.isEmpty || parentId == '0';
+
+  /// 解析 `CommentRespVO`，所有 ID 字段只走字符串解析。
+  factory DramaComment.fromJson(Map<String, dynamic> json) => DramaComment(
+    id: jsonToId(json['id']),
+    dramaId: jsonToId(json['dramaId']),
+    episodeId: jsonToId(json['episodeId'], fallback: '0'),
+    parentId: jsonToId(json['parentId'], fallback: '0'),
+    rootId: jsonToId(json['rootId'], fallback: '0'),
+    userId: jsonToId(json['userId']),
+    uid: json['uid']?.toString() ?? '',
+    nickname: json['nickname']?.toString() ?? '',
+    avatarUrl: json['avatarUrl']?.toString() ?? '',
+    content: json['content']?.toString() ?? '',
+    status: json['status']?.toString() ?? '',
+    auditReason: json['auditReason']?.toString() ?? '',
+    likeCount: jsonToInt(json['likeCount']),
+    replyCount: jsonToInt(json['replyCount']),
+    reportCount: jsonToInt(json['reportCount']),
+    createdAt: DateTime.tryParse(json['createdAt']?.toString() ?? ''),
+    mine: json['mine'] == true,
+    liked: json['liked'] == true,
+  );
+
+  /// 局部更新点赞或回复数，列表中的其他字段保持不变。
+  DramaComment copyWith({
+    int? likeCount,
+    int? replyCount,
+    bool? liked,
+  }) => DramaComment(
+    id: id,
+    dramaId: dramaId,
+    episodeId: episodeId,
+    parentId: parentId,
+    rootId: rootId,
+    userId: userId,
+    uid: uid,
+    nickname: nickname,
+    avatarUrl: avatarUrl,
+    content: content,
+    status: status,
+    auditReason: auditReason,
+    likeCount: likeCount ?? this.likeCount,
+    replyCount: replyCount ?? this.replyCount,
+    reportCount: reportCount,
+    createdAt: createdAt,
+    mine: mine,
+    liked: liked ?? this.liked,
+  );
+}

lib/core/data/models/engagement_snapshot.dart

@@ -1,13 +0,0 @@
-// Author: fruit.com.cn
-
-class EngagementSnapshot {
-  const EngagementSnapshot({
-    this.savedDramaIds = const {},
-    this.likedDramaIds = const {},
-    this.commentsByDrama = const {},
-  });
-
-  final Set<String> savedDramaIds;
-  final Set<String> likedDramaIds;
-  final Map<String, List<String>> commentsByDrama;
-}

lib/core/data/models/interaction.dart

@@ -0,0 +1,70 @@
+// Author: fruit.com.cn
+
+import 'json_numbers.dart';
+
+/// 互动目标类型，契约只允许短剧与评论。
+enum InteractionTargetType {
+  drama('DRAMA'),
+  comment('COMMENT');
+
+  const InteractionTargetType(this.apiValue);
+
+  final String apiValue;
+}
+
+/// 客户端固定举报原因，后端当前未限制枚举值。
+enum ReportReason {
+  spam('SPAM'),
+  abuse('ABUSE'),
+  porn('PORN'),
+  ad('AD'),
+  other('OTHER');
+
+  const ReportReason(this.apiValue);
+
+  final String apiValue;
+}
+
+/// 一次性互动请求，供仓库和测试断言使用。
+class ReportRequest {
+  const ReportRequest({
+    required this.targetType,
+    required this.targetId,
+    required this.reasonCode,
+    this.description = '',
+  });
+
+  final InteractionTargetType targetType;
+  final String targetId;
+  final String reasonCode;
+  final String description;
+}
+
+/// 点赞切换后的服务端状态。
+class LikeToggleResult {
+  const LikeToggleResult({required this.liked, required this.count});
+
+  final bool liked;
+  final int count;
+
+  /// 计数按 Long 字符串兼容解析。
+  factory LikeToggleResult.fromJson(Map<String, dynamic> json) =>
+      LikeToggleResult(
+        liked: json['liked'] == true,
+        count: jsonToInt(json['count']),
+      );
+}
+
+/// 控制器统一返回结果；失败消息可直接展示后端 `message`。
+class OperationResult<T> {
+  const OperationResult._(this.data, this.errorMessage);
+
+  const OperationResult.success([T? data]) : this._(data, null);
+
+  const OperationResult.failure(this.errorMessage) : data = null;
+
+  final T? data;
+  final String? errorMessage;
+
+  bool get isSuccess => errorMessage == null;
+}

lib/core/data/models/json_numbers.dart

@@ -11,3 +11,10 @@ int jsonToInt(dynamic value, {int fallback = 0}) {
   if (value is String) return int.tryParse(value.trim()) ?? fallback;
   return fallback;
 }
+
+/// ID 字段统一转字符串；后端按契约下发字符串，同时兼容测试或旧数据的数字形式。
+String jsonToId(dynamic value, {String fallback = ''}) {
+  if (value is String) return value;
+  if (value is num) return value.toString();
+  return fallback;
+}