From d686b32d9d00aaa6f3596767ddca709f24c80e9d Mon Sep 17 00:00:00 2001
From: Bouncey <staylor1012@gmail.com>
Date: Thu, 8 Nov 2018 13:43:36 +0000
Subject: [PATCH] fix: Reimplement the HeatMap

---
 client/package-lock.json                      |  19 +++
 client/package.json                           |   1 +
 .../components/profile/components/HeatMap.js  | 106 +++++++++-----
 .../components/profile/components/heatmap.css |  18 +++
 client/static/css/cal-heatmap.css             | 133 ------------------
 5 files changed, 108 insertions(+), 169 deletions(-)
 delete mode 100644 client/static/css/cal-heatmap.css

diff --git a/client/package-lock.json b/client/package-lock.json
index 21487535cb..3673bbb66f 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -14378,6 +14378,25 @@
         "prop-types": "^15.6.0"
       }
     },
+    "react-calendar-heatmap": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/react-calendar-heatmap/-/react-calendar-heatmap-1.7.0.tgz",
+      "integrity": "sha512-stPZSm07l3mZmj/MXOD+feHM2ZWY4Jb8fn06O+OeMFMasRCuiB2ZjBgCnCLb0BZ4hHh8vHNQ9v7wapiMcVgU0g==",
+      "requires": {
+        "prop-types": "^15.6.2"
+      },
+      "dependencies": {
+        "prop-types": {
+          "version": "15.6.2",
+          "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.6.2.tgz",
+          "integrity": "sha512-3pboPvLiWD7dkI3qf3KbUe6hKFKa52w+AE0VCqECtf+QHAKgOL37tTaNCnuX1nAAQ4ZhyP+kYVKf8rLmJ/feDQ==",
+          "requires": {
+            "loose-envify": "^1.3.1",
+            "object-assign": "^4.1.1"
+          }
+        }
+      }
+    },
     "react-dev-utils": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/react-dev-utils/-/react-dev-utils-4.2.3.tgz",
diff --git a/client/package.json b/client/package.json
index 80703370d1..1092c73986 100644
--- a/client/package.json
+++ b/client/package.json
@@ -40,6 +40,7 @@
     "prismjs": "^1.15.0",
     "query-string": "^6.1.0",
     "react": "^16.4.2",
+    "react-calendar-heatmap": "^1.7.0",
     "react-dom": "^16.4.2",
     "react-freecodecamp-search": "^2.0.2",
     "react-ga": "^2.5.3",
diff --git a/client/src/components/profile/components/HeatMap.js b/client/src/components/profile/components/HeatMap.js
index 550c7ba6da..6c5d44d53e 100644
--- a/client/src/components/profile/components/HeatMap.js
+++ b/client/src/components/profile/components/HeatMap.js
@@ -1,9 +1,15 @@
-import React, { Component } from 'react';
+import React from 'react';
 import PropTypes from 'prop-types';
 import { Helmet } from 'react-helmet';
+import CalendarHeatMap from 'react-calendar-heatmap';
+import startOfMonth from 'date-fns/start_of_month';
+import startOfDay from 'date-fns/start_of_day';
+import format from 'date-fns/format';
 
 import FullWidthRow from '../../helpers/FullWidthRow';
+import Spacer from '../../helpers/Spacer';
 
+import 'react-calendar-heatmap/dist/styles.css';
 import './heatmap.css';
 
 const propTypes = {
@@ -14,44 +20,72 @@ const propTypes = {
   })
 };
 
-class HeatMap extends Component {
-  constructor(props) {
-    super(props);
+const now = Date.now();
+const today = new Date(now);
+const sixMonthsInMillseconds = 15780000000;
+const sixMonthsAgoInMilliseconds = now - sixMonthsInMillseconds;
+const sixMonthsAgo = startOfMonth(sixMonthsAgoInMilliseconds);
 
-    this.renderMap = this.renderMap.bind(this);
-  }
+function HeatMap({ calendar, streak }) {
+  const dateValueMap = Object.keys(calendar)
+    .map(ts => Number(ts * 1000) || null)
+    .filter(Boolean)
+    .reduce((map, current) => {
+      const startOfCurrent = format(startOfDay(current), 'YYYY-MM-DD');
+      if (startOfCurrent in map) {
+        map[startOfCurrent] = map[startOfCurrent] + 1;
+      } else {
+        map[startOfCurrent] = 1;
+      }
+      return map;
+    }, {});
 
-  render() {
-    const { streak = {} } = this.props;
-    return (
-      <FullWidthRow id='cal-heatmap-container'>
-        <Helmet>
-          <script
-            src='https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js'
-            type='text/javascript'
-          />
-          <link href='/css/cal-heatmap.css' rel='stylesheet' />
-        </Helmet>
-        <FullWidthRow>
-          <h3>This needs a refactor to use something like</h3>
-          <a href='https://www.npmjs.com/package/react-calendar-heatmap'>
-            react-calendar-heatmap
-          </a>
-        </FullWidthRow>
-        <FullWidthRow>
-          <div className='streak-container'>
-            <span className='streak'>
-              <strong>Longest Streak:</strong> {streak.longest || 1}
-            </span>
-            <span className='streak'>
-              <strong>Current Streak:</strong> {streak.current || 1}
-            </span>
-          </div>
-        </FullWidthRow>
-        <hr />
+  const calendarValues = Object.keys(dateValueMap).map(key => ({
+    date: key,
+    count: dateValueMap[key]
+  }));
+
+  return (
+    <FullWidthRow id='cal-heatmap-container'>
+      <Helmet>
+        <script
+          src='https://cdnjs.cloudflare.com/ajax/libs/d3/5.7.0/d3.min.js'
+          type='text/javascript'
+        />
+        <link href='/css/cal-heatmap.css' rel='stylesheet' />
+      </Helmet>
+      <FullWidthRow>
+        <CalendarHeatMap
+          classForValue={value => {
+            if (!value) {
+              return 'colour-empty';
+            }
+            console.log(value);
+            if (value.count > 4) {
+              return 'colour-scale-a-lot';
+            }
+            return `colour-scale-${value.count}`;
+          }}
+          endDate={today}
+          startDate={sixMonthsAgo}
+          values={calendarValues}
+        />
       </FullWidthRow>
-    );
-  }
+      <Spacer />
+      <FullWidthRow>
+        <div className='streak-container'>
+          <span className='streak'>
+            <strong>Longest Streak:</strong> {streak.longest || 1}
+          </span>
+          <span className='streak'>
+            <strong>Current Streak:</strong> {streak.current || 1}
+          </span>
+        </div>
+      </FullWidthRow>
+      <Spacer />
+      <hr />
+    </FullWidthRow>
+  );
 }
 
 HeatMap.displayName = 'HeatMap';
diff --git a/client/src/components/profile/components/heatmap.css b/client/src/components/profile/components/heatmap.css
index b5cd07f372..f6581449ed 100644
--- a/client/src/components/profile/components/heatmap.css
+++ b/client/src/components/profile/components/heatmap.css
@@ -13,3 +13,21 @@
 .night .streak strong {
   color: #ccc;
 }
+.react-calendar-heatmap .colour-empty {
+  fill: #eee;
+}
+.react-calendar-heatmap .colour-scale-1 {
+  fill: #d6e685;
+}
+.react-calendar-heatmap .colour-scale-2 {
+  fill: #8cc665;
+}
+.react-calendar-heatmap .colour-scale-3 {
+  fill: #44a340;
+}
+.react-calendar-heatmap .colour-scale-4 {
+  fill: #1e6823;
+}
+.react-calendar-heatmap .colour-scale-a-lot {
+  fill: #006400;
+}
diff --git a/client/static/css/cal-heatmap.css b/client/static/css/cal-heatmap.css
deleted file mode 100644
index 4faa770dca..0000000000
--- a/client/static/css/cal-heatmap.css
+++ /dev/null
@@ -1,133 +0,0 @@
-/* Cal-HeatMap CSS */
-
-.cal-heatmap-container {
-  display: block;
-}
-
-.cal-heatmap-container .graph {
-  font-family: 'Lucida Grande', Lucida, Verdana, sans-serif;
-}
-
-.cal-heatmap-container .graph-label {
-  fill: #999;
-  font-size: 10px;
-}
-
-.cal-heatmap-container .graph,
-.cal-heatmap-container .graph-legend rect {
-  shape-rendering: crispedges;
-}
-
-.cal-heatmap-container .graph-rect {
-  fill: #ededed;
-}
-
-.cal-heatmap-container .graph-subdomain-group rect:hover {
-  stroke: #000;
-  stroke-width: 1px;
-}
-
-.cal-heatmap-container .subdomain-text {
-  font-size: 8px;
-  fill: #999;
-  pointer-events: none;
-}
-
-.cal-heatmap-container .hover_cursor:hover {
-  cursor: pointer;
-}
-
-.cal-heatmap-container .qi {
-  background-color: #999;
-  fill: #999;
-}
-
-/*
-	Remove comment to apply this style to date with value equal to 0
-	.q0
-	{
-		background-color: #fff;
-		fill: #fff;
-		stroke: #ededed
-	}
-	*/
-
-.cal-heatmap-container .q1 {
-  background-color: #dae289;
-  fill: #dae289;
-}
-
-.cal-heatmap-container .q2 {
-  background-color: #cedb9c;
-  fill: #9cc069;
-}
-
-.cal-heatmap-container .q3 {
-  background-color: #b5cf6b;
-  fill: #669d45;
-}
-
-.cal-heatmap-container .q4 {
-  background-color: #637939;
-  fill: #637939;
-}
-
-.cal-heatmap-container .q5 {
-  background-color: #3b6427;
-  fill: #3b6427;
-}
-
-.cal-heatmap-container rect.highlight {
-  stroke: #444;
-  stroke-width: 1;
-}
-
-.cal-heatmap-container text.highlight {
-  fill: #444;
-}
-
-.cal-heatmap-container rect.now {
-  stroke: red;
-}
-
-.cal-heatmap-container text.now {
-  fill: red;
-  font-weight: 800;
-}
-
-.cal-heatmap-container .domain-background {
-  fill: none;
-  shape-rendering: crispedges;
-}
-
-.ch-tooltip {
-  padding: 10px;
-  background: #222;
-  color: #bbb;
-  font-size: 12px;
-  line-height: 1.4;
-  width: 140px;
-  position: absolute;
-  z-index: 99999;
-  text-align: center;
-  border-radius: 2px;
-  box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.2);
-  display: none;
-  box-sizing: border-box;
-}
-
-.ch-tooltip::after {
-  position: absolute;
-  width: 0;
-  height: 0;
-  border-color: transparent;
-  border-style: solid;
-  content: '';
-  padding: 0;
-  display: block;
-  bottom: -6px;
-  left: 50%;
-  margin-left: -6px;
-  border-width: 6px 6px 0;
-  border-top-color: #222;
-}