@maybemichael - Kenneth Jones - Core Image

LambdaTimeline/Helpers/Extensions/UIImage+Ratio.swift

@@ -12,4 +12,30 @@ extension UIImage {
     var ratio: CGFloat {
         return size.height / size.width
     }
+
+    /// Resize the image to a max dimension from size parameter
+    func imageByScaling(toSize size: CGSize) -> UIImage? {
+        guard size.width > 0 && size.height > 0 else { return nil }
+
+        let originalAspectRatio = self.size.width/self.size.height
+        var correctedSize = size
+
+        if correctedSize.width > correctedSize.width*originalAspectRatio {
+            correctedSize.width = correctedSize.width*originalAspectRatio
+        } else {
+            correctedSize.height = correctedSize.height/originalAspectRatio
+        }
+
+        return UIGraphicsImageRenderer(size: correctedSize, format: imageRendererFormat).image { context in
+            draw(in: CGRect(origin: .zero, size: correctedSize))
+        }
+    }
+
+    /// Renders the image if the pixel data was rotated due to orientation of camera
+    var flattened: UIImage {
+        if imageOrientation == .up { return self }
+        return UIGraphicsImageRenderer(size: size, format: imageRendererFormat).image { context in
+            draw(at: .zero)
+        }
+    }
 }

LambdaTimeline/Model Controllers/PostController.swift

@@ -31,6 +31,5 @@ class PostController {
 
         let comment = Comment(text: text, author: currentUser)
         post.comments.append(comment)
-
     }
 }