From 156bc7c658ab56f6607189e3f5cba66d00a90802 Mon Sep 17 00:00:00 2001
From: Galen Guyer <galen@galenguyer.com>
Date: Mon, 16 Nov 2020 19:15:54 -0500
Subject: move all calculation logic into MainPage

---
 src/Card.js     | 13 ++++++-------
 src/MainPage.js | 37 ++++++++++++++++++++++++++-----------
 2 files changed, 32 insertions(+), 18 deletions(-)

(limited to 'src')

diff --git a/src/Card.js b/src/Card.js
index a296681..cac335c 100644
--- a/src/Card.js
+++ b/src/Card.js
@@ -3,21 +3,20 @@ import { Link } from "react-router-dom";
 import "./Card.css";
 
 const Card = (props) => {
-    let diff = props.latest - props.prior;
-    if (diff >= 0) {
-        diff = "+" + diff.toString();
+    let diff = props.diff.toString();
+    if (diff.charAt(0) != "-") {
+        diff = "+" + diff;
     }
+
     return (
         <Link className="Card" style={{ padding: 0 }} to={props.link}>
             <div className="group bg-white hover:bg-orange-400 rounded-lg border-2 border-orange-300 hover:border-orange-400 p-4 m-6 transition ease-in-out duration-300">
                 <p>
                     <span className="text-2xl group-hover:text-white transition ease-in-out duration-300">
-                        {props.latest}
-                        {props.suffix}{" "}
+                        {props.latest}{" "}
                     </span>
                     <span className="Diff text-gray-600 group-hover:text-gray-100 text-sm transition ease-in-out duration-300">
-                        ({diff}
-                        {props.suffix})
+                        ({diff})
                     </span>
                 </p>
                 <h3 className="text-base group-hover:text-white transition ease-in-out duration-300">{props.name}</h3>
diff --git a/src/MainPage.js b/src/MainPage.js
index 7dd0cc9..f00db6a 100644
--- a/src/MainPage.js
+++ b/src/MainPage.js
@@ -22,18 +22,33 @@ const MainPage = (props) => {
                     <Card
                         name="Students"
                         latest={latest.total_students}
-                        prior={prior.total_students}
+                        diff={latest.total_students - prior.total_students}
                         link="/totalstudents"
                     />
-                    <Card name="Staff" latest={latest.total_staff} prior={prior.total_staff} link="/totalstaff" />
+                    <Card
+                        name="Staff"
+                        latest={latest.total_staff}
+                        diff={latest.total_staff - prior.total_staff}
+                        link="/totalstaff"
+                    />
                 </div>
             </div>
             <br />
             <div id="new">
                 <h4 className="text-2xl">New Positive Cases From Past 14 Days</h4>
                 <div className="Section">
-                    <Card name="Students" latest={latest.new_students} prior={prior.new_students} link="/newstudents" />
-                    <Card name="Staff" latest={latest.new_staff} prior={prior.new_staff} link="/newstaff" />
+                    <Card
+                        name="Students"
+                        latest={latest.new_students}
+                        diff={latest.new_students - prior.new_students}
+                        link="/newstudents"
+                    />
+                    <Card
+                        name="Staff"
+                        latest={latest.new_staff}
+                        diff={latest.new_staff - prior.new_staff}
+                        link="/newstaff"
+                    />
                 </div>
             </div>
             <br />
@@ -47,13 +62,13 @@ const MainPage = (props) => {
                     <Card
                         name="On Campus"
                         latest={latest.quarantine_on_campus}
-                        prior={prior.quarantine_on_campus}
+                        diff={latest.quarantine_on_campus - prior.quarantine_on_campus}
                         link="/quarantineoncampus"
                     />
                     <Card
                         name="Off Campus"
                         latest={latest.quarantine_off_campus}
-                        prior={prior.quarantine_off_campus}
+                        diff={latest.quarantine_off_campus - prior.quarantine_off_campus}
                         link="/quarantineoffcampus"
                     />
                 </div>
@@ -68,13 +83,13 @@ const MainPage = (props) => {
                     <Card
                         name="On Campus"
                         latest={latest.isolation_on_campus}
-                        prior={prior.isolation_on_campus}
+                        diff={latest.isolation_on_campus - prior.isolation_on_campus}
                         link="isolationoncampus"
                     />
                     <Card
                         name="Off Campus"
                         latest={latest.isolation_off_campus}
-                        prior={prior.isolation_off_campus}
+                        diff={latest.isolation_off_campus - prior.isolation_off_campus}
                         link="isolationoffcampus"
                     />
                 </div>
@@ -86,7 +101,7 @@ const MainPage = (props) => {
                     <Card
                         name="Tests to date"
                         latest={latest.tests_administered}
-                        prior={prior.tests_administered}
+                        diff={latest.tests_administered - prior.tests_administered}
                         link="/tests"
                     />
                 </div>
@@ -97,8 +112,8 @@ const MainPage = (props) => {
                 <div className="Section">
                     <Card
                         name="Beds Available"
-                        latest={latest.beds_available}
-                        prior={prior.beds_available}
+                        latest={latest.beds_available + "%"}
+                        diff={latest.beds_available - prior.beds_available + "%"}
                         suffix="%"
                         link="/beds"
                     />
-- 
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