summaryrefslogtreecommitdiff
path: root/Juick/ViewControllers/MessagesViewController.m
blob: 823d83820788affc7fe3f542a11fc2725f1db1c4 (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
//
//  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 "APIClient.h"
#import "Message.h"
#import "ColorScheme.h"

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


#import "NSURL+PathParameters.h"


@implementation MessagesViewController

-(void) refreshData {
    [self refreshData:NO];
}

-(void) refreshData:(BOOL)scrollToBottom {
    self.dataLoading = YES;
    [[APIClient sharedClient] pullNextFromPath:self.path params:self.params callback:^(NSArray *next, NSError *err) {
        NSArray *newMsgs = next;
        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 {
                    return;
                }
            }
        }
        [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:YES];
        [self.tableView endUpdates];
        [self.refreshControl endRefreshing];
        self.dataLoading = NO;
        if (scrollToBottom) {
            NSIndexPath *lastRow = [NSIndexPath indexPathForRow:self.messages.count - 1 inSection:0];
            [self.tableView scrollToRowAtIndexPath:lastRow atScrollPosition:UITableViewScrollPositionBottom animated:YES];
        }
    }];
}

- (UIStatusBarStyle)preferredStatusBarStyle
{
    return UIStatusBarStyleLightContent;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    self.dataLoading = NO;
    [self.view setBackgroundColor:[ColorScheme mainBackground]];
    [self.tableView registerNib:[UINib nibWithNibName:@"MessageCell" bundle:[NSBundle mainBundle]] forCellReuseIdentifier:@"messageCell"];
    self.tableView.rowHeight = UITableViewAutomaticDimension;
    self.tableView.estimatedRowHeight = 500.0f;
    self.messages = [NSMutableArray array];
    self.refreshControl = [UIRefreshControl new];
    [self.refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];
    if ([User isAuthenticated]) {
        [User checkIsValid:^(BOOL success) {
            if (success) {
                if ([self.path length] == 0) {
                    self.path = [APIClient feedUrl];
                }
                [self refreshData:NO];
            } else {
                [User throwUnableToLogin:self];
            }
        }];
        
    } else {
        if ([self.path length] == 0) {
            self.path = [APIClient messagesUrl];
        }
        [self refreshData:NO];
    }
}

- (void) composePressed {
    
}

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

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.messages.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    Message *msg = [self.messages objectAtIndex:indexPath.row];
    NSString * cellIdentifier = @"messageCell";
    MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier forIndexPath:indexPath];
    [cell configureWithMessage:msg];
    return cell;
}

-(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]) {
        Message *lastMsg = [self.messages lastObject];
        if (lastMsg != nil) {
            NSNumber *lastMid = lastMsg.mid;
            if (![self.path isEqualToString:[APIClient threadUrl]]) {
                self.params = [@{@"before_mid":lastMid} mutableCopy];
            }
            [self refreshData:NO];
        }
    }
}

@end