From 64be9edeac7deeb15e3dddef24979c079b743506 Mon Sep 17 00:00:00 2001
From: Alie Langston <alangsto@wellesley.edu>
Date: Thu, 3 Sep 2020 12:17:32 -0400
Subject: [PATCH] adjusted size factor based on camera resolution

added additional check so that tests pass

updates for requested changes
---
 src/id-verification/Camera.jsx | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/id-verification/Camera.jsx b/src/id-verification/Camera.jsx
index be73833..be6a4b1 100644
--- a/src/id-verification/Camera.jsx
+++ b/src/id-verification/Camera.jsx
@@ -129,8 +129,9 @@ class Camera extends React.Component {
     if (this.state.dataUri) {
       return this.reset();
     }
+
     const config = {
-      sizeFactor: 1,
+      sizeFactor: this.getSizeFactor(),
     };
 
     this.playShutterClick();
@@ -139,6 +140,27 @@ class Camera extends React.Component {
     this.props.onImageCapture(dataUri);
   }
 
+  getSizeFactor() {
+    let sizeFactor = 1;
+    const settings = this.cameraPhoto.getCameraSettings();
+    if (settings) {
+      const videoWidth = settings.width;
+      const videoHeight = settings.height;
+      // need to multiply by 3 because each pixel contains 3 bytes
+      const currentSize = videoWidth * videoHeight * 3;
+      // chose a limit of 9,999,999 (bytes) so that result will
+      // always be less than 10MB
+      const ratio = 9999999 / currentSize;
+
+      // if the current resolution creates an image larger than 10 MB, adjust sizeFactor (resolution)
+      // to ensure that image will have a file size of less than 10 MB.
+      if (ratio < 1) {
+        sizeFactor = ratio;
+      }
+    }
+    return sizeFactor;
+  }
+
   playShutterClick() {
     const audio = new Audio(`data:audio/mp3;base64,${shutter.base64}`);
     audio.play();