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keyBoard/Class/AiTalk/M/KBAICommentModel.m

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+//
+//  KBAICommentModel.m
+//  keyBoard
+//
+//  Created by Mac on 2026/1/16.
+//
+
+#import "KBAICommentModel.h"
+#import "KBAIReplyModel.h"
+#import <MJExtension/MJExtension.h>
+
+@implementation KBAICommentModel
+
++ (NSDictionary *)mj_replacedKeyFromPropertyName {
+  return @{
+    @"commentId" : @"id",
+    @"userName" : @[ @"userName", @"nickname", @"name" ],
+    @"avatarUrl" : @[ @"avatarUrl", @"avatar" ],
+  };
+}
+
++ (NSDictionary *)mj_objectClassInArray {
+  return @{@"replies" : [KBAIReplyModel class]};
+}
+
+- (instancetype)init {
+  self = [super init];
+  if (self) {
+    _displayedReplies = [NSMutableArray array];
+    _isRepliesExpanded = NO;
+    _hasMoreReplies = NO;
+  }
+  return self;
+}
+
+- (void)setReplies:(NSArray<KBAIReplyModel *> *)replies {
+  _replies = replies;
+  _totalReplyCount = replies.count;
+  _hasMoreReplies = replies.count > 0;
+}
+
+- (NSString *)formattedTime {
+  NSDate *date = [NSDate dateWithTimeIntervalSince1970:self.createTime];
+  NSTimeInterval interval = [[NSDate date] timeIntervalSinceDate:date];
+
+  if (interval < 60) {
+    return @"刚刚";
+  } else if (interval < 3600) {
+    return [NSString stringWithFormat:@"%.0f分钟前", interval / 60];
+  } else if (interval < 86400) {
+    return [NSString stringWithFormat:@"%.0f小时前", interval / 3600];
+  } else if (interval < 86400 * 30) {
+    return [NSString stringWithFormat:@"%.0f天前", interval / 86400];
+  } else {
+    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
+    formatter.dateFormat = @"MM-dd";
+    return [formatter stringFromDate:date];
+  }
+}
+
+- (KBAIReplyFooterState)footerState {
+  // 无二级评论
+  if (self.totalReplyCount == 0) {
+    return KBAIReplyFooterStateHidden;
+  }
+
+  // 未展开（初始状态）
+  if (!self.isRepliesExpanded) {
+    return KBAIReplyFooterStateExpand;
+  }
+
+  // 已展开但还有更多
+  if (self.displayedReplies.count < self.totalReplyCount) {
+    return KBAIReplyFooterStateLoadMore;
+  }
+
+  // 全部展开，显示收起
+  return KBAIReplyFooterStateCollapse;
+}
+
+- (void)loadMoreReplies:(NSInteger)count {
+  self.isRepliesExpanded = YES;
+
+  NSInteger currentCount = self.displayedReplies.count;
+  NSInteger endIndex = MIN(currentCount + count, self.replies.count);
+
+  for (NSInteger i = currentCount; i < endIndex; i++) {
+    [self.displayedReplies addObject:self.replies[i]];
+  }
+
+  self.hasMoreReplies = (self.displayedReplies.count < self.totalReplyCount);
+}
+
+- (void)collapseReplies {
+  self.isRepliesExpanded = NO;
+  [self.displayedReplies removeAllObjects];
+  self.hasMoreReplies = self.totalReplyCount > 0;
+}
+
+@end