129 lines
3.7 KiB
Objective-C
129 lines
3.7 KiB
Objective-C
//
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// KBAICommentModel.m
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// keyBoard
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//
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// Created by Mac on 2026/1/16.
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//
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#import "KBAICommentModel.h"
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#import "KBAIReplyModel.h"
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#import <MJExtension/MJExtension.h>
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@implementation KBAICommentModel
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+ (NSDictionary *)mj_replacedKeyFromPropertyName {
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return @{
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@"commentId" : @"id",
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@"userName" : @[ @"userName", @"nickname", @"name" ],
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@"avatarUrl" : @[ @"avatarUrl", @"avatar" ],
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};
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}
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+ (NSDictionary *)mj_objectClassInArray {
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return @{@"replies" : [KBAIReplyModel class]};
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}
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- (instancetype)init {
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self = [super init];
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if (self) {
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_displayedReplies = [NSMutableArray array];
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_isRepliesExpanded = NO;
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_hasMoreReplies = NO;
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}
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return self;
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}
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- (void)setReplies:(NSArray<KBAIReplyModel *> *)replies {
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_replies = replies;
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_totalReplyCount = replies.count;
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_hasMoreReplies = replies.count > 0;
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}
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- (NSString *)formattedTime {
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NSDate *date = [NSDate dateWithTimeIntervalSince1970:self.createTime];
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NSTimeInterval interval = [[NSDate date] timeIntervalSinceDate:date];
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if (interval < 60) {
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return @"刚刚";
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} else if (interval < 3600) {
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return [NSString stringWithFormat:@"%.0f分钟前", interval / 60];
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} else if (interval < 86400) {
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return [NSString stringWithFormat:@"%.0f小时前", interval / 3600];
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} else if (interval < 86400 * 30) {
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return [NSString stringWithFormat:@"%.0f天前", interval / 86400];
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} else {
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NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
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formatter.dateFormat = @"MM-dd";
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return [formatter stringFromDate:date];
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}
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}
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- (KBAIReplyFooterState)footerState {
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// 无二级评论
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if (self.totalReplyCount == 0) {
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return KBAIReplyFooterStateHidden;
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}
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// 未展开（初始状态）
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if (!self.isRepliesExpanded) {
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return KBAIReplyFooterStateExpand;
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}
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// 已展开但还有更多
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if (self.displayedReplies.count < self.totalReplyCount) {
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return KBAIReplyFooterStateLoadMore;
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}
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// 全部展开
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return KBAIReplyFooterStateCollapse;
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}
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- (void)loadMoreReplies:(NSInteger)count {
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self.isRepliesExpanded = YES;
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NSInteger currentCount = self.displayedReplies.count;
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NSInteger endIndex = MIN(currentCount + count, self.replies.count);
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for (NSInteger i = currentCount; i < endIndex; i++) {
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[self.displayedReplies addObject:self.replies[i]];
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}
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}
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- (void)collapseReplies {
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self.isRepliesExpanded = NO;
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[self.displayedReplies removeAllObjects];
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}
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- (CGFloat)calculateHeaderHeightWithMaxWidth:(CGFloat)maxWidth {
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if (self.cachedHeaderHeight > 0) {
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return self.cachedHeaderHeight;
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}
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// Header 布局：
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// 头像(40) + 间距(12) + 内容区域 + 间距(50，点赞按钮) + 右边距(16)
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// 内容区域宽度 = maxWidth - 16(左边距) - 40(头像) - 12(间距) - 50(点赞) - 16(右边距)
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CGFloat contentWidth = maxWidth - 16 - 40 - 12 - 50 - 16;
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// 用户名高度（单行）
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CGFloat userNameHeight = 17; // 14号字体
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// 时间高度（单行）
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CGFloat timeHeight = 15; // 12号字体
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// 内容高度（多行）
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UIFont *contentFont = [UIFont systemFontOfSize:15];
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CGRect contentRect = [self.content boundingRectWithSize:CGSizeMake(contentWidth, CGFLOAT_MAX)
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options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading
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attributes:@{NSFontAttributeName: contentFont}
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context:nil];
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CGFloat contentHeight = ceil(contentRect.size.height);
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// 总高度 = 上边距(12) + 用户名 + 间距(2) + 时间 + 间距(8) + 内容 + 下边距(12)
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CGFloat totalHeight = 12 + userNameHeight + 2 + timeHeight + 8 + contentHeight + 12;
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self.cachedHeaderHeight = totalHeight;
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return totalHeight;
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}
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@end
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