347 lines
11 KiB
Objective-C
347 lines
11 KiB
Objective-C
//
|
||
// KBPersonaChatCell.m
|
||
// keyBoard
|
||
//
|
||
// Created by Kiro on 2026/1/26.
|
||
//
|
||
|
||
#import "KBPersonaChatCell.h"
|
||
#import "KBChatTableView.h"
|
||
#import "KBAiChatMessage.h"
|
||
#import "KBChatHistoryPageModel.h"
|
||
#import "AiVM.h"
|
||
#import <Masonry/Masonry.h>
|
||
#import <SDWebImage/SDWebImage.h>
|
||
|
||
@interface KBPersonaChatCell () <UITableViewDelegate, UITableViewDataSource>
|
||
|
||
/// 背景图
|
||
@property (nonatomic, strong) UIImageView *backgroundImageView;
|
||
|
||
/// 头像
|
||
@property (nonatomic, strong) UIImageView *avatarImageView;
|
||
|
||
/// 人设名称
|
||
@property (nonatomic, strong) UILabel *nameLabel;
|
||
|
||
/// 开场白
|
||
@property (nonatomic, strong) UILabel *openingLabel;
|
||
|
||
/// 聊天列表
|
||
@property (nonatomic, strong) UITableView *tableView;
|
||
|
||
/// 聊天消息
|
||
@property (nonatomic, strong) NSMutableArray<KBAiChatMessage *> *messages;
|
||
|
||
/// 是否已加载数据
|
||
@property (nonatomic, assign) BOOL hasLoadedData;
|
||
|
||
/// 是否正在加载
|
||
@property (nonatomic, assign) BOOL isLoading;
|
||
|
||
/// 当前页码
|
||
@property (nonatomic, assign) NSInteger currentPage;
|
||
|
||
/// 是否还有更多历史消息
|
||
@property (nonatomic, assign) BOOL hasMoreHistory;
|
||
|
||
/// AiVM 实例
|
||
@property (nonatomic, strong) AiVM *aiVM;
|
||
|
||
@end
|
||
|
||
@implementation KBPersonaChatCell
|
||
|
||
#pragma mark - Lifecycle
|
||
|
||
- (instancetype)initWithFrame:(CGRect)frame {
|
||
if (self = [super initWithFrame:frame]) {
|
||
[self setupUI];
|
||
}
|
||
return self;
|
||
}
|
||
|
||
#pragma mark - 1：控件初始化
|
||
|
||
- (void)setupUI {
|
||
// 背景图
|
||
[self.contentView addSubview:self.backgroundImageView];
|
||
[self.backgroundImageView mas_makeConstraints:^(MASConstraintMaker *make) {
|
||
make.edges.equalTo(self.contentView);
|
||
}];
|
||
|
||
// 半透明遮罩
|
||
UIView *maskView = [[UIView alloc] init];
|
||
maskView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.3];
|
||
[self.contentView addSubview:maskView];
|
||
[maskView mas_makeConstraints:^(MASConstraintMaker *make) {
|
||
make.edges.equalTo(self.contentView);
|
||
}];
|
||
|
||
// 头像
|
||
[self.contentView addSubview:self.avatarImageView];
|
||
[self.avatarImageView mas_makeConstraints:^(MASConstraintMaker *make) {
|
||
make.top.equalTo(self.contentView).offset(80);
|
||
make.centerX.equalTo(self.contentView);
|
||
make.size.mas_equalTo(CGSizeMake(80, 80));
|
||
}];
|
||
|
||
// 人设名称
|
||
[self.contentView addSubview:self.nameLabel];
|
||
[self.nameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
|
||
make.top.equalTo(self.avatarImageView.mas_bottom).offset(12);
|
||
make.centerX.equalTo(self.contentView);
|
||
}];
|
||
|
||
// 开场白
|
||
[self.contentView addSubview:self.openingLabel];
|
||
[self.openingLabel mas_makeConstraints:^(MASConstraintMaker *make) {
|
||
make.top.equalTo(self.nameLabel.mas_bottom).offset(8);
|
||
make.left.equalTo(self.contentView).offset(40);
|
||
make.right.equalTo(self.contentView).offset(-40);
|
||
}];
|
||
|
||
// 聊天列表
|
||
[self.contentView addSubview:self.tableView];
|
||
[self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
|
||
make.top.equalTo(self.openingLabel.mas_bottom).offset(30);
|
||
make.left.right.bottom.equalTo(self.contentView);
|
||
}];
|
||
}
|
||
|
||
#pragma mark - Setter
|
||
|
||
- (void)setPersona:(KBPersonaModel *)persona {
|
||
_persona = persona;
|
||
|
||
// 重置状态
|
||
self.hasLoadedData = NO;
|
||
self.isLoading = NO;
|
||
self.currentPage = 1;
|
||
self.hasMoreHistory = YES;
|
||
self.messages = [NSMutableArray array];
|
||
self.aiVM = [[AiVM alloc] init];
|
||
|
||
// 设置 UI
|
||
[self.backgroundImageView sd_setImageWithURL:[NSURL URLWithString:persona.coverImageUrl]
|
||
placeholderImage:[UIImage imageNamed:@"placeholder_bg"]];
|
||
[self.avatarImageView sd_setImageWithURL:[NSURL URLWithString:persona.avatarUrl]
|
||
placeholderImage:[UIImage imageNamed:@"placeholder_avatar"]];
|
||
self.nameLabel.text = persona.name;
|
||
self.openingLabel.text = persona.shortDesc.length > 0 ? persona.shortDesc : persona.introText;
|
||
|
||
[self.tableView reloadData];
|
||
}
|
||
|
||
#pragma mark - 2：数据加载
|
||
|
||
- (void)preloadDataIfNeeded {
|
||
if (self.hasLoadedData || self.isLoading) {
|
||
return;
|
||
}
|
||
|
||
[self loadChatHistory];
|
||
}
|
||
|
||
- (void)loadChatHistory {
|
||
if (self.isLoading || !self.hasMoreHistory) {
|
||
return;
|
||
}
|
||
|
||
self.isLoading = YES;
|
||
|
||
// 使用 persona.personaId 作为 companionId
|
||
NSInteger companionId = self.persona.personaId;
|
||
|
||
__weak typeof(self) weakSelf = self;
|
||
[self.aiVM fetchChatHistoryWithCompanionId:companionId
|
||
pageNum:self.currentPage
|
||
pageSize:20
|
||
completion:^(KBChatHistoryPageModel *pageModel, NSError *error) {
|
||
weakSelf.isLoading = NO;
|
||
|
||
if (error) {
|
||
NSLog(@"[KBPersonaChatCell] 加载聊天记录失败：%@", error.localizedDescription);
|
||
|
||
// 如果是第一次加载失败，显示开场白
|
||
if (weakSelf.currentPage == 1 && weakSelf.persona.introText.length > 0) {
|
||
[weakSelf showOpeningMessage];
|
||
}
|
||
return;
|
||
}
|
||
|
||
weakSelf.hasLoadedData = YES;
|
||
weakSelf.hasMoreHistory = pageModel.hasMore;
|
||
|
||
// 转换为 KBAiChatMessage
|
||
NSMutableArray *newMessages = [NSMutableArray array];
|
||
for (KBChatHistoryModel *item in pageModel.records) {
|
||
KBAiChatMessage *message;
|
||
if (item.isUserMessage) {
|
||
message = [KBAiChatMessage userMessageWithText:item.content];
|
||
} else {
|
||
message = [KBAiChatMessage assistantMessageWithText:item.content];
|
||
}
|
||
message.isComplete = YES;
|
||
[newMessages addObject:message];
|
||
}
|
||
|
||
// 插入到顶部（历史消息）
|
||
if (weakSelf.currentPage == 1) {
|
||
// 第一页，直接赋值
|
||
weakSelf.messages = newMessages;
|
||
} else {
|
||
// 后续页，插入到顶部
|
||
NSIndexSet *indexSet = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(0, newMessages.count)];
|
||
[weakSelf.messages insertObjects:newMessages atIndexes:indexSet];
|
||
}
|
||
|
||
// 刷新 UI
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
if (weakSelf.currentPage == 1) {
|
||
[weakSelf.tableView reloadData];
|
||
|
||
// 滚动到底部（最新消息）
|
||
if (weakSelf.messages.count > 0) {
|
||
NSIndexPath *lastIndexPath = [NSIndexPath indexPathForRow:weakSelf.messages.count - 1 inSection:0];
|
||
[weakSelf.tableView scrollToRowAtIndexPath:lastIndexPath
|
||
atScrollPosition:UITableViewScrollPositionBottom
|
||
animated:NO];
|
||
}
|
||
} else {
|
||
// 保持滚动位置
|
||
CGFloat oldContentHeight = weakSelf.tableView.contentSize.height;
|
||
[weakSelf.tableView reloadData];
|
||
CGFloat newContentHeight = weakSelf.tableView.contentSize.height;
|
||
CGFloat offsetY = newContentHeight - oldContentHeight;
|
||
[weakSelf.tableView setContentOffset:CGPointMake(0, offsetY) animated:NO];
|
||
}
|
||
});
|
||
|
||
NSLog(@"[KBPersonaChatCell] 加载成功：第 %ld 页，%ld 条消息，还有更多：%@",
|
||
(long)weakSelf.currentPage,
|
||
(long)newMessages.count,
|
||
pageModel.hasMore ? @"是" : @"否");
|
||
}];
|
||
}
|
||
|
||
- (void)loadMoreHistory {
|
||
if (!self.hasMoreHistory || self.isLoading) {
|
||
return;
|
||
}
|
||
|
||
self.currentPage++;
|
||
[self loadChatHistory];
|
||
}
|
||
|
||
- (void)showOpeningMessage {
|
||
// 显示开场白作为第一条消息
|
||
KBAiChatMessage *openingMsg = [KBAiChatMessage assistantMessageWithText:self.persona.introText];
|
||
openingMsg.isComplete = YES;
|
||
[self.messages addObject:openingMsg];
|
||
|
||
dispatch_async(dispatch_get_main_queue(), ^{
|
||
[self.tableView reloadData];
|
||
});
|
||
}
|
||
|
||
#pragma mark - UITableViewDataSource
|
||
|
||
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
|
||
return self.messages.count;
|
||
}
|
||
|
||
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
|
||
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"Cell"];
|
||
if (!cell) {
|
||
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"Cell"];
|
||
cell.backgroundColor = [UIColor clearColor];
|
||
cell.textLabel.textColor = [UIColor whiteColor];
|
||
cell.textLabel.numberOfLines = 0;
|
||
}
|
||
|
||
KBAiChatMessage *message = self.messages[indexPath.row];
|
||
cell.textLabel.text = message.text;
|
||
|
||
return cell;
|
||
}
|
||
|
||
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
|
||
return UITableViewAutomaticDimension;
|
||
}
|
||
|
||
#pragma mark - UIScrollViewDelegate
|
||
|
||
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
|
||
CGFloat offsetY = scrollView.contentOffset.y;
|
||
|
||
// 下拉到顶部，加载历史消息
|
||
if (offsetY <= -50 && !self.isLoading) {
|
||
[self loadMoreHistory];
|
||
}
|
||
}
|
||
|
||
#pragma mark - Lazy Load
|
||
|
||
- (UIImageView *)backgroundImageView {
|
||
if (!_backgroundImageView) {
|
||
_backgroundImageView = [[UIImageView alloc] init];
|
||
_backgroundImageView.contentMode = UIViewContentModeScaleAspectFill;
|
||
_backgroundImageView.clipsToBounds = YES;
|
||
}
|
||
return _backgroundImageView;
|
||
}
|
||
|
||
- (UIImageView *)avatarImageView {
|
||
if (!_avatarImageView) {
|
||
_avatarImageView = [[UIImageView alloc] init];
|
||
_avatarImageView.contentMode = UIViewContentModeScaleAspectFill;
|
||
_avatarImageView.layer.cornerRadius = 40;
|
||
_avatarImageView.layer.borderWidth = 3;
|
||
_avatarImageView.layer.borderColor = [UIColor whiteColor].CGColor;
|
||
_avatarImageView.clipsToBounds = YES;
|
||
}
|
||
return _avatarImageView;
|
||
}
|
||
|
||
- (UILabel *)nameLabel {
|
||
if (!_nameLabel) {
|
||
_nameLabel = [[UILabel alloc] init];
|
||
_nameLabel.font = [UIFont boldSystemFontOfSize:20];
|
||
_nameLabel.textColor = [UIColor whiteColor];
|
||
_nameLabel.textAlignment = NSTextAlignmentCenter;
|
||
}
|
||
return _nameLabel;
|
||
}
|
||
|
||
- (UILabel *)openingLabel {
|
||
if (!_openingLabel) {
|
||
_openingLabel = [[UILabel alloc] init];
|
||
_openingLabel.font = [UIFont systemFontOfSize:14];
|
||
_openingLabel.textColor = [[UIColor whiteColor] colorWithAlphaComponent:0.9];
|
||
_openingLabel.textAlignment = NSTextAlignmentCenter;
|
||
_openingLabel.numberOfLines = 2;
|
||
}
|
||
return _openingLabel;
|
||
}
|
||
|
||
- (UITableView *)tableView {
|
||
if (!_tableView) {
|
||
_tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
|
||
_tableView.delegate = self;
|
||
_tableView.dataSource = self;
|
||
_tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
|
||
_tableView.backgroundColor = [UIColor clearColor];
|
||
_tableView.showsVerticalScrollIndicator = NO;
|
||
_tableView.estimatedRowHeight = 60;
|
||
_tableView.rowHeight = UITableViewAutomaticDimension;
|
||
|
||
if (@available(iOS 11.0, *)) {
|
||
_tableView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
|
||
}
|
||
}
|
||
return _tableView;
|
||
}
|
||
|
||
@end
|