summaryrefslogtreecommitdiff
path: root/Juick/ViewControllers/MessagesViewController.m
blob: 57087d7671ea830886ae7d0fd0c3e37aaac8377a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
//
//  MasterViewController.m
//  Juick
//
//  Created by Vitaly Takmazov on 26.10.13.
//  Copyright (c) 2013 com.juick. All rights reserved.
//

#import "MessagesViewController.h"
#import "MessageCell.h"

#import "AppDelegate.h"
#import "APIClient.h"
#import "Message.h"

#import "NewPostViewController.h"
#import "LoginViewController.h"
#import "ThreadViewController.h"
#import "BlogViewController.h"


#import "NSURL+PathParameters.h"

NSString* const messageCellIdentifier = @"messageCell";

@implementation MessagesViewController

-(void) refreshData {
    if ([self.path length] > 0) {
        self.dataLoading = YES;
        if (self.messages.count == 0) {
            [self.tableView reloadData];
        }
        [[APIClient sharedClient] pullNextFromPath:self.path params:self.params callback:^(NSArray *next, NSError *err) {
            if (err) {
                [User throwUnableToLogin:self error:err];
                return;
            }
            NSArray *newMsgs = next;
            if ([self isAtTop:self.params]) {
                if (![self.path isEqualToString:[APIClient threadUrl]]) {
                    [self.messages removeAllObjects];
                    [self.tableView reloadData];
                }
            }
            NSUInteger oldCount = [self.messages count];
            if ([self.path isEqualToString:[APIClient threadUrl]]) {
                NSUInteger lastRid = [((Message *)[self.messages lastObject]).rid unsignedIntegerValue] + 1;
                NSUInteger count = [next count];
                if (oldCount > 0) {
                    if (lastRid && lastRid < count) {
                        newMsgs = [next subarrayWithRange:NSMakeRange(lastRid, count - lastRid)];
                    } else {
                        [self.refreshControl endRefreshing];
                        return;
                    }
                }
            }
            self.dataLoading = NO;
            if (self.messages.count == 0) {
                [self.tableView reloadData];
            }
            [self.messages addObjectsFromArray:newMsgs];
            NSMutableArray *indexPaths = [NSMutableArray new];
            for (NSUInteger index = oldCount; index <= oldCount + [newMsgs count] - 1; index++) {
                [indexPaths addObject:[NSIndexPath indexPathForRow:index inSection: 0]];
            }
            [self.tableView beginUpdates];
            [self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:NO];
            [self.tableView endUpdates];
            [self.refreshControl endRefreshing];
            if (self.shouldScrollToBottomOnRefresh) {
                NSIndexPath *lastRow = [NSIndexPath indexPathForRow:self.messages.count - 1 inSection:0];
                [self.tableView scrollToRowAtIndexPath:lastRow atScrollPosition:UITableViewScrollPositionBottom animated:NO];
            }
        }];
    }
}

-(BOOL) isAtTop:(NSDictionary *)params {
    return [params objectForKey:@"before_mid"] == nil && [params objectForKey:@"to"] == nil;
}

- (UIStatusBarStyle)preferredStatusBarStyle
{
    return UIStatusBarStyleLightContent;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    self.dataLoading = YES;
    [self.view setBackgroundColor:[UIColor colorNamed:@"Background"]];
    [self.tableView registerNib:[UINib nibWithNibName:@"MessageCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:messageCellIdentifier];
    [self.tableView registerNib:[UINib nibWithNibName:@"ContentLoadingCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"contentLoadingCell"];
    self.tableView.rowHeight = UITableViewAutomaticDimension;
    self.tableView.estimatedRowHeight = 500.0f;
    if (!self.messages) {
        self.messages = [NSMutableArray array];
    }
    self.refreshControl = [UIRefreshControl new];
    [self.refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];
    [self refreshData];
}

- (void) composePressed {
    
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.dataLoading && self.messages.count == 0 ? 4 : self.messages.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (self.dataLoading && self.messages.count == 0) {
        return [tableView dequeueReusableCellWithIdentifier:@"contentLoadingCell"];
    } else {
        Message *msg = [self.messages objectAtIndex:indexPath.row];
        MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:messageCellIdentifier forIndexPath:indexPath];
        [cell configureWithMessage:msg];
        return cell;
    }
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return self.dataLoading && self.messages.count == 0 ? 200.0f : [super tableView:tableView heightForRowAtIndexPath:indexPath];
}

-(void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    Message *msg = [self.messages objectAtIndex:indexPath.row];
    [self viewThreadForMessage:msg mid:msg.mid];
}

-(void) prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    /*
    if ([segue.identifier isEqual: @"profileSegue"]) {
        BlogViewController *blogVC = (BlogViewController *)segue.destinationViewController;
        [blogVC setUname:self.selectedUser];
        [blogVC setTitle:self.selectedUser];
        blogVC.path = [NSString stringWithFormat:@"/messages?uname=%@", self.selectedUser];
        [blogVC setShouldScrollToBottomOnRefresh:NO];
    }*/
}

-(void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView_ {
    CGFloat actualPosition = scrollView_.contentOffset.y;
    CGFloat contentHeight = scrollView_.contentSize.height - scrollView_.contentSize.height / 2;
    if (actualPosition >= contentHeight && !self.dataLoading && ![self.tableView isTracking]) {
        [_messagesDelegate loadMore];
    }
}

-(void) viewThreadForMessage:(Message *)msg mid:(NSNumber *)mid {
    ThreadViewController *threadVC = [AppDelegate threadViewController];
    if (msg) {
        [threadVC setMessages:[@[msg] mutableCopy]];
    }
    [threadVC setParams:@{@"mid": mid }];
    [threadVC setShouldScrollToBottomOnRefresh:NO];
    [self.navigationController pushViewController:threadVC animated:YES];
}

@end