Bug with direction JSQMessage - ios

Question

I have a problem with direction of messages in JSQMessage.
When I write and send message all good with direction but when I restart app or else that some messages changes its direction.
Its my code
#import "ChatViewController.h"
#import <AVKit/AVKit.h>
#import <MobileCoreServices/MobileCoreServices.h>
#import "JSQMessagesCollectionViewFlowLayout.h"
#import "JSQMessages.h"
#import "JSQPhotoMediaItem.h"
#import "JSQLocationMediaItem.h"
#import "JSQVideoMediaItem.h"
#import "JSQMessagesMediaViewBubbleImageMasker.h"
#import "JSQMessagesAvatarImage.h"
#import "JSQMessagesAvatarImageFactory.h"
#import <JSQMessagesBubbleImage.h>
#import <JSQMessagesBubbleImageFactory.h>
#import <FirebaseDatabase/FirebaseDatabase.h>
#import <FirebaseStorage/FirebaseStorage.h>
#import <FirebaseAuth/FirebaseAuth.h>
#interface ChatViewController () <UIImagePickerControllerDelegate, UINavigationControllerDelegate>
#property (strong, nonatomic) NSMutableArray *messages;
#property (strong, nonatomic) JSQMessagesBubbleImage *outgoingBubbleImageView;
#property (strong, nonatomic) JSQMessagesBubbleImage *incomingBubbleImageView;
#property (strong, nonatomic) FIRDatabaseReference *databaseReference;
#property (strong, nonatomic) NSString *convoId;
#end
#implementation ChatViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = self.senderDisplayName;
UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:#"backgroundChat"]];
imageView.alpha = 0.5;
self.collectionView.backgroundView = imageView;
_messages = [NSMutableArray new];
_databaseReference = [[FIRDatabase database] reference];
[self setupBubbles];
self.collectionView.collectionViewLayout.incomingAvatarViewSize = CGSizeZero;
self.collectionView.collectionViewLayout.outgoingAvatarViewSize = CGSizeZero;
NSString *receiverId = [_receiverData objectForKey:#"uId"];
NSString *receiverIdFive = [receiverId substringToIndex:5];
NSString *senderIdFive = [self.senderId substringToIndex:5];
if (senderIdFive > receiverIdFive) {
_convoId = [NSString stringWithFormat:#"%#%#", senderIdFive, receiverIdFive];
} else {
_convoId = [NSString stringWithFormat:#"%#%#", receiverIdFive, senderIdFive];
}
[self observeMessages];
}
- (IBAction)backButtonAction:(id)sender {
UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:#"Main" bundle:nil];
UITabBarController *viewiewController = [mainStoryboard instantiateViewControllerWithIdentifier:#"HomeView"];
[self presentViewController:viewiewController animated:true completion:nil];
}
- (id<JSQMessageData>)collectionView:(JSQMessagesCollectionView *)collectionView messageDataForItemAtIndexPath:(NSIndexPath *)indexPath {
return _messages[indexPath.item];
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
return _messages.count;
}
- (void)setupBubbles {
JSQMessagesBubbleImageFactory *factory = [JSQMessagesBubbleImageFactory new];
_outgoingBubbleImageView = [factory outgoingMessagesBubbleImageWithColor:[UIColor jsq_messageBubbleBlueColor]];
_incomingBubbleImageView = [factory incomingMessagesBubbleImageWithColor:[UIColor jsq_messageBubbleLightGrayColor]];
}
- (id<JSQMessageBubbleImageDataSource>)collectionView:(JSQMessagesCollectionView *)collectionView messageBubbleImageDataForItemAtIndexPath:(NSIndexPath *)indexPath {
JSQMessage *message = _messages[indexPath.item];
if (message.senderId == self.senderId) {
return _outgoingBubbleImageView;
} else {
return _incomingBubbleImageView;
}
}
- (id<JSQMessageAvatarImageDataSource>)collectionView:(JSQMessagesCollectionView *)collectionView avatarImageDataForItemAtIndexPath:(NSIndexPath *)indexPath {
return nil;
}
- (UICollectionViewCell *)collectionView:(JSQMessagesCollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
JSQMessagesCollectionViewCell *cell = [super collectionView:collectionView cellForItemAtIndexPath:indexPath];
JSQMessage *message = _messages[indexPath.item];
if (message.senderId == self.senderId) {
cell.textView.textColor = [UIColor whiteColor];
} else {
cell.textView.textColor = [UIColor blackColor];
}
return cell;
}
- (void)collectionView:(JSQMessagesCollectionView *)collectionView didTapMessageBubbleAtIndexPath:(NSIndexPath *)indexPath {
JSQMessage *message = _messages[indexPath.row];
if (message.isMediaMessage) {
JSQVideoMediaItem *mediaItem = (JSQVideoMediaItem *)message.media;
if (mediaItem != nil) {
AVPlayer *player = [AVPlayer playerWithURL:mediaItem.fileURL];
AVPlayerViewController *playerViewController = [AVPlayerViewController new];
playerViewController.player = player;
[self presentViewController:playerViewController animated:true completion:nil];
}
}
}
- (void)didPressSendButton:(UIButton *)button withMessageText:(NSString *)text senderId:(NSString *)senderId senderDisplayName:(NSString *)senderDisplayName date:(NSDate *)date {
FIRDatabaseReference *itemReference = [[[_databaseReference child:#"message"] child:[NSString stringWithFormat:#"%#", _convoId]] childByAutoId];
NSDictionary *messageItem = #{#"text":text, #"senderId":senderId, #"mediaType":#"TEXT"};
[itemReference setValue:messageItem];
[JSQSystemSoundPlayer jsq_playMessageSentSound];
[self finishSendingMessageAnimated:YES];
}
- (void)didPressAccessoryButton:(UIButton *)sender {
UIAlertController *sheet = [UIAlertController alertControllerWithTitle:#"Send file" message:#"Appearance media files in messages depend of your internet speed" preferredStyle:UIAlertControllerStyleActionSheet];
UIAlertAction *image = [UIAlertAction actionWithTitle:#"Image Library" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[self getMediaFrom:kUTTypeImage];
}];
UIAlertAction *video = [UIAlertAction actionWithTitle:#"Video Library" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
[self getMediaFrom:kUTTypeMovie];
}];
UIAlertAction *cancel = [UIAlertAction actionWithTitle:#"Cancel" style:UIAlertActionStyleCancel handler:nil];
[sheet addAction:image];
[sheet addAction:video];
[sheet addAction:cancel];
sheet.popoverPresentationController.sourceView = self.view;
sheet.popoverPresentationController.sourceRect = CGRectMake(CGRectGetMinX(self.view.frame), CGRectGetMaxY(self.view.frame), sheet.accessibilityFrame.size.width, sheet.accessibilityFrame.size.height);
[self presentViewController:sheet animated:true completion:nil];
}
- (void)getMediaFrom:(CFStringRef)type {
UIImagePickerController *picker = [UIImagePickerController new];
picker.delegate = self;
picker.mediaTypes = #[(__bridge NSString *)type];
[self presentViewController:picker animated:true completion:nil];
}
- (void)observeMessages {
FIRDatabaseQuery *messagesQuery = [[_databaseReference child:[NSString stringWithFormat:#"message/%#", _convoId]] queryLimitedToLast:25];
[messagesQuery observeEventType:FIRDataEventTypeChildAdded withBlock:^(FIRDataSnapshot * _Nonnull snapshot) {
if (snapshot.value[#"senderId"] != nil) {
NSString *ID = snapshot.value[#"senderId"];
NSString *mediaType = snapshot.value[#"mediaType"];
if ([mediaType isEqual:#"TEXT"]) {
NSString *text = snapshot.value[#"text"];
[_messages addObject:[JSQMessage messageWithSenderId:ID displayName:#"" text:text]];
} else if ([mediaType isEqual:#"PHOTO"]) {
NSString *image = snapshot.value[#"fileUrl"];
NSData *data = [NSData dataWithContentsOfURL:[NSURL URLWithString:image]];
JSQPhotoMediaItem *photoItem = [[JSQPhotoMediaItem alloc] initWithImage:[UIImage imageWithData:data]];
[_messages addObject:[JSQMessage messageWithSenderId:ID displayName:#"" media:photoItem]];
} else if ([mediaType isEqual:#"VIDEO"]) {
NSString *video = snapshot.value[#"fileUrl"];
JSQVideoMediaItem *videoItem = [[JSQVideoMediaItem alloc] initWithFileURL:[NSURL URLWithString:video] isReadyToPlay:true];
[_messages addObject:[JSQMessage messageWithSenderId:ID displayName:#"" media:videoItem]];
}
[self finishReceivingMessage];
}
}];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info {
UIImage *image = info[UIImagePickerControllerOriginalImage];
NSURL *video = info[UIImagePickerControllerMediaURL];
if (image != nil) {
[self sendMedia:image and:nil];
} else if (video != nil) {
[self sendMedia:nil and:video];
}
[picker dismissViewControllerAnimated:true completion:nil];
[self.collectionView reloadData];
}
- (void)sendMedia:(UIImage *)image and:(NSURL *)video {
if (image != nil) {
NSString *filePath = [NSString stringWithFormat:#"%#/%f", [FIRAuth auth].currentUser, [NSDate date].timeIntervalSinceReferenceDate];
NSData *data = UIImageJPEGRepresentation(image, 0.3);
FIRStorageMetadata *metadata = [FIRStorageMetadata new];
metadata.contentType = #"image/jpg";
[[[[FIRStorage storage] reference] child:filePath] putData:data metadata:metadata completion:^(FIRStorageMetadata * _Nullable metadata, NSError * _Nullable error) {
if (error != nil) {
NSLog(#"%#", error.localizedDescription);
return;
}
NSString *fileURL = [metadata downloadURLs][0].absoluteString;
FIRDatabaseReference *newMessage = [[_databaseReference child:[NSString stringWithFormat:#"message/%#", _convoId]] childByAutoId];
NSDictionary *messageItem = #{#"fileUrl":fileURL, #"senderId":self.senderId, #"mediaType":#"PHOTO"};
[newMessage setValue:messageItem];
}];
} else if (video != nil) {
NSString *filePath = [NSString stringWithFormat:#"%#/%f", [FIRAuth auth].currentUser, [NSDate date].timeIntervalSinceReferenceDate];
NSData *data = [NSData dataWithContentsOfURL:video];
FIRStorageMetadata *metadata = [FIRStorageMetadata new];
metadata.contentType = #"video/mp4";
[[[[FIRStorage storage] reference] child:filePath] putData:data metadata:metadata completion:^(FIRStorageMetadata * _Nullable metadata, NSError * _Nullable error) {
if (error != nil) {
NSLog(#"%#", error.localizedDescription);
return;
}
NSString *fileURL = [metadata downloadURLs][0].absoluteString;
FIRDatabaseReference *newMessage = [[_databaseReference child:[NSString stringWithFormat:#"message/%#", _convoId]] childByAutoId];
NSDictionary *messageItem = #{#"fileUrl":fileURL, #"senderId":self.senderId, #"mediaType":#"VIDEO"};
[newMessage setValue:messageItem];
}];
}
}
#end
What wrong with my code?