From f6fed5b2374c7d847c68efccce363f9513aa2efb Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sun, 8 Apr 2018 23:17:47 +0300
Subject: PM posts

---
 Juick/ViewControllers/ChatViewController.m | 53 +++++++++++++++++++++++++++---
 1 file changed, 48 insertions(+), 5 deletions(-)

(limited to 'Juick/ViewControllers/ChatViewController.m')

diff --git a/Juick/ViewControllers/ChatViewController.m b/Juick/ViewControllers/ChatViewController.m
index e94bb40..489de66 100644
--- a/Juick/ViewControllers/ChatViewController.m
+++ b/Juick/ViewControllers/ChatViewController.m
@@ -12,6 +12,8 @@
 
 @interface ChatViewController ()
 
+@property (nonatomic, readwrite, retain) UIView *inputAccessoryView;
+
 @end
 
 @implementation ChatViewController
@@ -23,7 +25,13 @@
     self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
     self.tableView.keyboardDismissMode = UIScrollViewKeyboardDismissModeInteractive;
     self.tableView.allowsSelection = NO;
+    [self reloadChat];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillChangeFrame:) name:UIKeyboardWillChangeFrameNotification object:nil];
+}
+
+-(void) reloadChat {
     self.messages = [NSMutableArray array];
+    [self.tableView reloadData];
     [[APIClient sharedClient] fetchChatWithUser:self.uname callback:^(NSArray *messages, NSError *err) {
         if (err == nil) {
             [self.messages addObjectsFromArray:[[messages reverseObjectEnumerator] allObjects]];
@@ -39,11 +47,6 @@
     }];
 }
 
-- (void)didReceiveMemoryWarning {
-    [super didReceiveMemoryWarning];
-    // Dispose of any resources that can be recreated.
-}
-
 #pragma mark - Table view data source
 
 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
@@ -62,4 +65,44 @@
     return cell;
 }
 
+-(BOOL) canBecomeFirstResponder {
+    return YES;
+}
+
+- (UIView *) inputAccessoryView {
+    if (!_inputAccessoryView) {
+        PHFComposeBarView *composeView = [[PHFComposeBarView alloc] initWithFrame:CGRectMake(0, self.view.bounds.size.height - PHFComposeBarViewInitialHeight, self.view.bounds.size.width, PHFComposeBarViewInitialHeight)];
+        composeView.delegate = self;
+        [composeView.bottomAnchor constraintEqualToSystemSpacingBelowAnchor:self.view.safeAreaLayoutGuide.bottomAnchor multiplier:1.0f];
+        composeView.maxLinesCount = 4;
+        _inputAccessoryView = composeView;
+    }
+    return _inputAccessoryView;
+}
+
+-(void) keyboardWillChangeFrame:(NSNotification *)notification {
+    NSDictionary *userInfo = [notification userInfo];
+    if (userInfo) {
+        CGRect beginFrame = [userInfo [UIKeyboardFrameBeginUserInfoKey] CGRectValue];
+        CGRect endFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
+        CGFloat delta = endFrame.origin.y - beginFrame.origin.y;
+        CGFloat duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] floatValue];
+        UIViewAnimationCurve animationCurve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue];
+        [UIView animateWithDuration:duration delay:0 options:(animationCurve << 16) animations:^{
+            self.tableView.contentOffset = CGPointMake(0, self.tableView.contentOffset.y - delta);
+        } completion:nil];
+    }
+}
+
+-(void) composeBarViewDidPressButton:(PHFComposeBarView *)composeBarView {
+    [[APIClient sharedClient] postPMToUser:self.uname text:composeBarView.text result:^(NSError *err) {
+        if (!err) {
+            NSLog(@"Success!");
+            [composeBarView becomeFirstResponder];
+            [composeBarView setText:nil animated:NO];
+            [self reloadChat];
+        }
+    }];
+}
+
 @end
-- 
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