From b6dc38e5f6bb7a1b820cd23d761484610212c11d Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Mon, 12 Nov 2018 14:39:31 +0300
Subject: Entities

---
 Juick/Views/MessageCell.m | 43 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

(limited to 'Juick/Views')

diff --git a/Juick/Views/MessageCell.m b/Juick/Views/MessageCell.m
index 851e097..99fb296 100644
--- a/Juick/Views/MessageCell.m
+++ b/Juick/Views/MessageCell.m
@@ -9,6 +9,7 @@
 #import "MessageCell.h"
 #import "ColorScheme.h"
 #import "APIClient.h"
+#import "Entity.h"
 
 @implementation MessageCell
 
@@ -70,7 +71,47 @@
     } else {
         self.summary.text = nil;
     }
-    self.text.text =  [msg.text stringByDecodingHTMLEntities];
+    self.text.attributedText = nil;
+    if (msg.text) {
+        NSMutableAttributedString *txt = [[NSMutableAttributedString alloc] initWithString:[msg.text stringByDecodingHTMLEntities] attributes:@{NSFontAttributeName:[UIFont preferredFontForTextStyle:UIFontTextStyleBody]}];
+        [txt beginEditing];
+        for (NSDictionary *entity in msg.entities) {
+            NSUInteger start = [[entity objectForKey:@"start"] unsignedIntegerValue];
+            NSUInteger end = [[entity objectForKey:@"end"] unsignedIntegerValue];
+            NSRange currentRange = NSMakeRange(start, end - start);
+            [txt addAttribute:@"displayText" value:[entity objectForKey:@"text"] range:currentRange];
+            if ([[entity objectForKey:@"type"] isEqualToString:@"a"]) {
+                [txt addAttribute:NSLinkAttributeName value:[entity objectForKey:@"url"] range:currentRange];
+            }
+            if ([[entity objectForKey:@"type"] isEqualToString:@"q"]) {
+                [txt addAttribute:NSForegroundColorAttributeName value:[UIColor darkGrayColor] range:currentRange];
+            }
+            if ([[entity objectForKey:@"type"] isEqualToString:@"u"]) {
+                [txt addAttribute:NSUnderlineStyleAttributeName value:@(NSUnderlineStyleSingle) range:currentRange];
+            }
+            UIFontDescriptor* fontDescriptor = [UIFontDescriptor
+                                                preferredFontDescriptorWithTextStyle:UIFontTextStyleBody];
+            if ([[entity objectForKey:@"type"] isEqualToString:@"b"]) {
+                UIFontDescriptor* boldFontDescriptor = [fontDescriptor
+                                                        fontDescriptorWithSymbolicTraits:UIFontDescriptorTraitBold];
+                UIFont* boldFont =  [UIFont fontWithDescriptor:boldFontDescriptor size: 0.0];
+                [txt addAttribute:NSFontAttributeName value:boldFont range:currentRange];
+            }
+            if ([[entity objectForKey:@"type"] isEqualToString:@"i"]) {
+                UIFontDescriptor* italicFontDescriptor = [fontDescriptor
+                                                        fontDescriptorWithSymbolicTraits:UIFontDescriptorTraitItalic];
+                UIFont* italicFont =  [UIFont fontWithDescriptor:italicFontDescriptor size: 0.0];
+                [txt addAttribute:NSFontAttributeName value:italicFont range:currentRange];
+            }
+        }
+        [txt enumerateAttribute:@"displayText" inRange:NSMakeRange(0, [txt length]) options:0 usingBlock:^(id  _Nullable value, NSRange range, BOOL * _Nonnull stop) {
+            if (value) {
+                [txt replaceCharactersInRange:range withString:value];
+            }
+        }];
+        [txt endEditing];
+        self.text.attributedText = txt;
+    }
     [self.tags removeAllTags];
     if ([msg.tags count] > 0) {
         [msg.tags enumerateObjectsUsingBlock:^(NSString * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
-- 
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