From 6059cb16915898fab65ca82b062ae08eb31f4f3e Mon Sep 17 00:00:00 2001
From: anuraghazra <hazru.anurag@gmail.com>
Date: Tue, 14 Jul 2020 20:04:36 +0530
Subject: [PATCH] feat: added animations!

---
 src/getStyles.js              | 97 +++++++++++++++++++++++++++++++++++
 src/renderStatsCard.js        | 52 +++++++++----------
 tests/renderStatsCard.test.js |  5 +-
 3 files changed, 123 insertions(+), 31 deletions(-)
 create mode 100644 src/getStyles.js

diff --git a/src/getStyles.js b/src/getStyles.js
new file mode 100644
index 00000000..198344fa
--- /dev/null
+++ b/src/getStyles.js
@@ -0,0 +1,97 @@
+const calculateCircleProgress = (value) => {
+  let radius = 40;
+  let c = Math.PI * (radius * 2);
+
+  if (value < 0) value = 0;
+  if (value > 100) value = 100;
+
+  let percentage = ((100 - value) / 100) * c;
+  return percentage;
+};
+
+const getAnimations = ({ progress }) => {
+  return `
+    /* Animations */
+    @keyframes scaleIn {
+      from {
+        transform: translate(-5px, 5px) scale(0);
+      }
+      to {
+        transform: translate(-5px, 5px) scale(1);
+      }
+    }
+    @keyframes fadeIn {
+      from {
+        opacity: 0;
+      }
+      to {
+        opacity: 1;
+      }
+    }
+    @keyframes rankAnimation {
+      from {
+        stroke-dashoffset: ${calculateCircleProgress(0)};
+      }
+      to {
+        stroke-dashoffset: ${calculateCircleProgress(progress)};
+      }
+    }
+  `;
+};
+
+const getStyles = ({
+  titleColor,
+  textColor,
+  iconColor,
+  show_icons,
+  progress,
+}) => {
+  return `
+    .header {
+      font: 600 18px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${titleColor}; 
+      animation: fadeIn 0.8s ease-in-out forwards;
+    }
+    .stat { 
+      font: 600 14px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${textColor};
+    }
+    .stagger { 
+      opacity: 0;
+      animation: fadeIn 0.3s ease-in-out forwards;
+    }
+    .rank-text { 
+      font: 800 24px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${textColor}; 
+      animation: scaleIn 0.3s ease-in-out forwards;
+    }
+    
+    .bold { font-weight: 700 }
+    .star-icon { 
+      font: 600 18px 'Segoe UI', Ubuntu, Sans-Serif;
+    }
+    .icon {
+      fill: ${iconColor};
+      display: ${!!show_icons ? "block" : "none"};
+    }
+    
+    .rank-circle-rim {
+      stroke: ${titleColor};
+      fill: none;
+      stroke-width: 6;
+      opacity: 0.2;
+    }
+    .rank-circle {
+      stroke: ${titleColor};
+      stroke-dasharray: 250;
+      fill: none;
+      stroke-width: 6;
+      stroke-linecap: round;
+      opacity: 0.8;
+      transform-origin: -10px 8px;
+      transform: rotate(-90deg);
+      animation: rankAnimation 1s forwards ease-in-out;
+    }
+
+    ${process.env.NODE_ENV === "test" ? "" : getAnimations({ progress })}
+  `;
+};
+
+module.exports = getStyles;
diff --git a/src/renderStatsCard.js b/src/renderStatsCard.js
index af2951f2..aa14653c 100644
--- a/src/renderStatsCard.js
+++ b/src/renderStatsCard.js
@@ -1,12 +1,15 @@
 const { kFormatter, isValidHexColor } = require("../src/utils");
+const getStyles = require("./getStyles");
 
 const createTextNode = ({ icon, label, value, id, index, lineHeight }) => {
   const classname = icon === "★" && "star-icon";
   const kValue = kFormatter(value);
+  const staggerDelay = (index + 3) * 150;
   // manually calculating lineHeight based on index instead of using <tspan dy="" />
   // to fix firefox layout bug
+  const lheight = lineHeight * (index + 1);
   return `
-    <text x="25" y="${lineHeight * (index + 1)}">
+    <text class="stagger" style="animation-delay: ${staggerDelay}ms" x="25" y="${lheight}">
       <tspan dx="0" data-testid="icon" class="icon ${classname}">${icon}</tspan>   
       <tspan dx="0" class="stat bold">
        ${label}:
@@ -107,7 +110,6 @@ const renderStatsCard = (stats = {}, options = { hide: [] }) => {
     />
   `;
 
-  const rankProgress = 180 + rank.score * 0.8;
   const rankCircle = hide_rank
     ? ""
     : `<g data-testid="rank-circle" transform="translate(400, ${
@@ -122,42 +124,34 @@ const renderStatsCard = (stats = {}, options = { hide: [] }) => {
           dominant-baseline="central"
           text-anchor="middle"
           class="rank-text"
-          transform="translate(-5, 5)"
         >
           ${rank.level}
         </text>
       </g>`;
 
+  // re-adjust circle progressbar's value until the ranking algo is improved
+  let progress = rank.score;
+  if (rank.score > 86) {
+    progress = (40 + rank.score) * 0.6;
+  }
+  if (rank.score < 40) {
+    progress = 40 + rank.score;
+  }
+
+  const styles = getStyles({
+    titleColor,
+    textColor,
+    iconColor,
+    show_icons,
+    progress,
+  });
+
   return `
     <svg width="495" height="${height}" viewBox="0 0 495 ${height}" fill="none" xmlns="http://www.w3.org/2000/svg">
       <style>
-      .header { font: 600 18px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${titleColor}; }
-      .stat { font: 600 14px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${textColor}; }
-      .rank-text { font: 800 24px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${textColor}; }
-      .star-icon { font: 600 18px 'Segoe UI', Ubuntu, Sans-Serif; }
-      .bold { font-weight: 700 }
-      .icon {
-        fill: ${iconColor};
-        display: ${!!show_icons ? "block" : "none"};
-      }
-      .rank-circle-rim {
-        stroke: ${titleColor};
-        fill: none;
-        stroke-width: 6;
-        opacity: 0.2;
-      }
-      .rank-circle {
-        stroke-dashoffset: 30;
-        stroke-dasharray: ${rankProgress};
-        stroke: ${titleColor};
-        fill: none;
-        stroke-width: 6;
-        stroke-linecap: round;
-        opacity: 0.8;
-        transform-origin: -10px 8px;
-        transform: rotate(-90deg);
-      }
+        ${styles}
       </style>
+      
       ${hide_border ? "" : border}
 
       ${rankCircle}
diff --git a/tests/renderStatsCard.test.js b/tests/renderStatsCard.test.js
index 39ee63c4..6375f4bd 100644
--- a/tests/renderStatsCard.test.js
+++ b/tests/renderStatsCard.test.js
@@ -12,7 +12,7 @@ describe("Test renderStatsCard", () => {
     totalIssues: 300,
     totalPRs: 400,
     contributedTo: 500,
-    rank: { level: "A+", score: 100 },
+    rank: { level: "A+", score: 40 },
   };
 
   it("should render correctly", () => {
@@ -66,7 +66,8 @@ describe("Test renderStatsCard", () => {
     document.body.innerHTML = renderStatsCard(stats);
 
     const styleTag = document.querySelector("style");
-    const stylesObject = cssToObject(styleTag.innerHTML);
+    console.log(styleTag.textContent);
+    const stylesObject = cssToObject(styleTag.textContent);
 
     const headerClassStyles = stylesObject[".header"];
     const statClassStyles = stylesObject[".stat"];