281 lines
11 KiB
Objective-C
281 lines
11 KiB
Objective-C
//
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// NTESSessionLocalHistoryViewController.m
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// NIM
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//
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// Created by chris on 15/7/8.
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// Copyright © 2015年 Netease. All rights reserved.
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//
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#import "NTESSessionLocalHistoryViewController.h"
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#import "NTESSearchMessageEntraceCell.h"
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#import "NTESSearchMessageContentCell.h"
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#import "NTESSearchLocalHistoryObject.h"
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#import "NTESBundleSetting.h"
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#import "UIView+NTES.h"
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#define EntranceCellIdentity @"entrance"
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#define EntranceCellHeight 45
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#define ContentCellIdentity @"content"
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#define ContentCellHeight 50
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#define SearchLimit 10
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@interface NTESSessionLocalHistoryViewController ()<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate,UISearchDisplayDelegate>
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@property (nonatomic,strong) UISearchDisplayController *searchDisplayVC;
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@property (nonatomic,strong) NTESSearchLocalHistoryObject *searchObject;
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@property (nonatomic,copy) NSString *keyWord;
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@property (nonatomic,strong) NSMutableArray *data;
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@property (nonatomic,strong) NIMSession *session;
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@property (nonatomic,strong) NIMMessageSearchOption *lastOption;
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@property (nonatomic,strong) NSArray *members;
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@property (nonatomic,strong) UILabel *noResultTip;
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@end
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@implementation NTESSessionLocalHistoryViewController
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- (instancetype)initWithSession:(NIMSession *)session{
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self = [super initWithNibName:nil bundle:nil];
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if (self) {
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_session = session;
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NTESSearchLocalHistoryObject *object = [[NTESSearchLocalHistoryObject alloc] init];
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_searchObject = object;
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_data = [[NSMutableArray alloc]init];
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}
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return self;
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}
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.navigationItem.title = @"聊天记录";
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[self prepareMember];
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self.searchBar = [[UISearchBar alloc] initWithFrame:CGRectZero];
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self.tableView.tableHeaderView = self.searchBar;
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self.tableView.tableFooterView = [[UIView alloc] init];
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self.searchBar.delegate = self;
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self.searchDisplayVC = [[UISearchDisplayController alloc] initWithSearchBar:self.searchBar contentsController:self];
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self.searchDisplayVC.searchResultsTableView.tableFooterView = [[UIView alloc] init];
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self.searchDisplayVC.searchResultsDataSource = self;
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self.searchDisplayVC.searchResultsDelegate = self;
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self.tableView.dataSource = self;
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self.tableView.delegate = self;
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self.refreshControl = [[UIRefreshControl alloc] init];
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[self.refreshControl addTarget:self action:@selector(onPull2Refresh:) forControlEvents:UIControlEventValueChanged];
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[self.searchDisplayVC.searchResultsTableView registerClass:[NTESSearchMessageEntraceCell class] forCellReuseIdentifier:EntranceCellIdentity];
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[self.tableView registerClass:[NTESSearchMessageContentCell class] forCellReuseIdentifier:ContentCellIdentity];
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self.noResultTip = [[UILabel alloc] initWithFrame:CGRectZero];
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self.noResultTip.text = @"无结果";
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self.noResultTip.hidden = YES;
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[self.noResultTip sizeToFit];
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[self.tableView addSubview:self.noResultTip];
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}
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- (void)viewDidLayoutSubviews{
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self.noResultTip.centerX = self.tableView.width * .5f;
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self.noResultTip.centerY = self.tableView.height * .5f;
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}
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- (void)prepareMember{
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if (self.session.sessionType == NIMSessionTypeTeam) {
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__weak typeof(self) wself = self;
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[[NIMSDK sharedSDK].teamManager fetchTeamMembers:self.session.sessionId completion:^(NSError *error, NSArray *members) {
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NSMutableArray *data = [[NSMutableArray alloc] init];
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for (NIMTeamMember *member in members) {
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if(member.userId.length){
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[data addObject:member.userId];
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}
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}
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wself.members = data;
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}];
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}else{
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NSString *me = [[NIMSDK sharedSDK].loginManager currentAccount];
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self.members = @[self.session.sessionId,me];
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}
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}
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#pragma mark - UISearchBarDelegate
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- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{
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self.noResultTip.hidden = YES;
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}
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- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{
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self.keyWord = searchText;
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}
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#pragma mark - UITableViewDataSource
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
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return [[self fetchData:tableView] count];
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
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NSString *identity;
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NSArray *data = [self fetchData:tableView];
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NTESSearchLocalHistoryObject *object = data[indexPath.row];
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if (object.type == SearchLocalHistoryTypeEntrance) {
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identity = EntranceCellIdentity;
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}else{
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identity = ContentCellIdentity;
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}
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UITableViewCell<NTESSearchObjectRefresh> *cell = [tableView dequeueReusableCellWithIdentifier:identity];
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[cell refresh:object];
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return cell;
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}
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#pragma mark - UITableViewDelegate
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- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
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NSArray *data = [self fetchData:tableView];
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NTESSearchLocalHistoryObject *object = data[indexPath.row];
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return object.uiHeight;
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}
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
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[tableView deselectRowAtIndexPath:indexPath animated:YES];
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NSArray *data = [self fetchData:tableView];
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NTESSearchLocalHistoryObject *object = data[indexPath.row];
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if (object.type == SearchLocalHistoryTypeEntrance) {
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[self.data removeAllObjects];
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NIMMessageSearchOption *option = [[NIMMessageSearchOption alloc] init];
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option.searchContent = self.keyWord;
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NSArray *uids = [self searchUsersByKeyword:self.keyWord users:self.members];
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option.fromIds = uids;
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option.limit = SearchLimit;
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option.order = [NTESBundleSetting sharedConfig].localSearchOrderByTimeDesc? NIMMessageSearchOrderDesc: NIMMessageSearchOrderAsc;
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self.lastOption = option;
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[self.searchDisplayVC setActive:NO];
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[self showSearchData:option loadMore:YES];
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}
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}
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#pragma mark - Action
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- (void)onPull2Refresh:(id)sender{
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if (!self.keyWord.length) {
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NTESSearchLocalHistoryObject *obj = self.data.firstObject;
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if ([NTESBundleSetting sharedConfig].localSearchOrderByTimeDesc == NIMMessageSearchOrderDesc) {
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self.lastOption.startTime = 0;
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self.lastOption.endTime = obj.message.timestamp;
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}else{
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self.lastOption.startTime = obj.message.timestamp;
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self.lastOption.endTime = 0;
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}
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[self showSearchData:self.lastOption loadMore:NO];
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}
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}
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- (void)loadMore:(id)sender{
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if (!self.keyWord.length) {
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NTESSearchLocalHistoryObject *obj = self.data.lastObject;
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if ([NTESBundleSetting sharedConfig].localSearchOrderByTimeDesc == NIMMessageSearchOrderDesc) {
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self.lastOption.startTime = obj.message.timestamp;
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self.lastOption.endTime = 0;
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}else{
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self.lastOption.startTime = 0;
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self.lastOption.endTime = obj.message.timestamp;
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}
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[self showSearchData:self.lastOption loadMore:YES];
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}
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}
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#pragma mark - Private
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- (NSArray *)fetchData:(UITableView *)tableView{
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if (tableView == self.searchDisplayVC.searchResultsTableView) {
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NTESSearchLocalHistoryObject *obj = [[NTESSearchLocalHistoryObject alloc] init];
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obj.content = [NSString stringWithFormat:@"搜索：“%@”",self.keyWord];
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obj.type = SearchLocalHistoryTypeEntrance;
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obj.uiHeight = EntranceCellHeight;
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return [@[obj] mutableCopy];
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}else{
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return self.data;
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}
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}
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- (void)showSearchData:(NIMMessageSearchOption *)option loadMore:(BOOL)loadMore{
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__weak typeof(self) wself = self;
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[[NIMSDK sharedSDK].conversationManager searchMessages:self.session option:option result:^(NSError *error, NSArray *messages) {
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messages = [NTESBundleSetting sharedConfig].localSearchOrderByTimeDesc == NIMMessageSearchOrderAsc ? messages.reverseObjectEnumerator.allObjects : messages;
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NSMutableArray *array = [[NSMutableArray alloc]init];
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for (NIMMessage *message in messages) {
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NTESSearchLocalHistoryObject *obj = [[NTESSearchLocalHistoryObject alloc] initWithMessage:message];
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obj.type = SearchLocalHistoryTypeContent;
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[array addObject:obj];
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}
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if (loadMore) {
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[wself.data addObjectsFromArray:array];
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wself.tableView.tableFooterView = array.count == SearchLimit? wself.tableFooterView : [[UIView alloc]init];
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wself.noResultTip.hidden = wself.data.count != 0;
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}else{
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[array addObjectsFromArray:self.data];
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wself.data = array;
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}
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wself.keyWord = nil;
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[wself.tableView reloadData];
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[wself.refreshControl endRefreshing];
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}];
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}
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- (UIView *)tableFooterView{
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UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, UIScreenWidth, ContentCellHeight)];
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[btn addTarget:self action:@selector(loadMore:) forControlEvents:UIControlEventTouchUpInside];
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UILabel *lable = [[UILabel alloc] initWithFrame:CGRectZero];
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lable.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
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lable.text = @"点击加载更多";
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[lable sizeToFit];
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[btn addSubview:lable];
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lable.centerX = btn.width * .5f;
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lable.centerY = btn.height * .5f;
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UIView *sep = [[UIView alloc] initWithFrame:CGRectMake(0, 0, UIScreenWidth, 0.5f)];
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sep.backgroundColor = UIColorFromRGB(0xebebeb);
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[btn addSubview:sep];
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return btn;
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}
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- (NSArray *)searchUsersByKeyword:(NSString *)keyword users:(NSArray *)users{
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NSMutableArray *data = [[NSMutableArray alloc] init];
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for (NSString *uid in users) {
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NIMKitInfo *info = [[NIMKit sharedKit] infoByUser:uid];
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[data addObject:info];
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}
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NSPredicate *predicate = [NSPredicate predicateWithFormat: @"SELF.showName CONTAINS[cd] %@",keyword];
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NSArray *array = [data filteredArrayUsingPredicate:predicate];
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NSMutableArray *output = [[NSMutableArray alloc] init];
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for (NIMKitInfo *info in array) {
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[output addObject:info.infoId];
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}
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return output;
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}
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#pragma mark - 旋转处理 (iOS7)
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- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
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duration:(NSTimeInterval)duration
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{
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if (self.searchDisplayVC.isActive) {
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[self.searchDisplayVC setActive:NO animated:YES];
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}
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}
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#pragma mark - 旋转处理 (iOS8 or above)
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- (void)viewWillTransitionToSize:(CGSize)size
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withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
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{
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[super viewWillTransitionToSize:size withTransitionCoordinator:coordinator];
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if (self.searchDisplayVC.isActive) {
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[self.searchDisplayVC setActive:NO animated:YES];
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}
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}
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@end
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