From 2941d31cf246451c5d867de1d2b010e568573360 Mon Sep 17 00:00:00 2001
From: Janita Chalam <janitachalam@gmail.com>
Date: Mon, 7 Feb 2022 14:00:21 -0800
Subject: [PATCH] add time range dropdown to performance charts (#298)

---
 .../charts/piePriceAreaChart.svelte           | 124 +++++++++++++++++-
 1 file changed, 117 insertions(+), 7 deletions(-)

diff --git a/src/components/charts/piePriceAreaChart.svelte b/src/components/charts/piePriceAreaChart.svelte
index 99f2c503..3dea1981 100644
--- a/src/components/charts/piePriceAreaChart.svelte
+++ b/src/components/charts/piePriceAreaChart.svelte
@@ -2,21 +2,37 @@
   import { watchResize } from 'svelte-watch-resize';
   import uniqueId from 'lodash/uniqueId';
   import { fetchChartData } from '../../stores/coingecko.js';
+  import { clickOutside } from '../../helpers/clickOutside.js';
 
   export let coingeckoId;
   let chart;
   let chartId = uniqueId('chart_');
+  let dropdownOpen = false;
+
+  const toggleDropdown = (event) => {
+    dropdownOpen = !dropdownOpen;
+  };
+
+  const closeDropdown = (event) => {
+    dropdownOpen = false;
+  };
 
   const resize = (node) => {
     if (chart && chart.resize) chart.resize(node.clientWidth, node.clientHeight);
   };
 
-  (async () => {
-    const chartData = await fetchChartData(coingeckoId);
+  function yearToDate(){
+    const currentDate = new Date();
+    return (Date.UTC(currentDate.getFullYear(), currentDate.getMonth(), currentDate.getDate()) - Date.UTC(currentDate.getFullYear(), 0, 0)) / 24 / 60 / 60 / 1000;
+  };
+
+  async function loadChart(days = 90) {
+    const chartData = await fetchChartData(coingeckoId, days);
 
+    if (chart) chart.remove();
     chart = LightweightCharts.createChart(document.getElementById(chartId), {
-      width: 1200,
-      height: 400,
+      width: 1250,
+      height: 450,
       grid: {
         horzLines: {
           color: '#ffffff',
@@ -36,6 +52,9 @@
     chart.applyOptions({
       handleScroll: true,
       handleScale: false,
+      timeScale: {
+        timeVisible: true,
+      }
     });
 
     var areaSeries = chart.addAreaSeries({
@@ -52,8 +71,99 @@
       };
     });
 
-    areaSeries.setData(normalizedData);
-  })();
+   areaSeries.setData(normalizedData);
+   chart.timeScale().fitContent();
+  }
+  
+  loadChart();
+  
 </script>
 
-<div id={chartId} style="width: 100%;" use:watchResize={resize} />
+<br/>
+<div class="interval-button">
+  <div use:clickOutside on:click_outside={closeDropdown}>
+    <button
+        on:click={toggleDropdown}
+        type="button"
+        class="inline-flex text-sm leading-5 font-medium focus:outline-none"
+        id="options-menu"
+        aria-haspopup="true"
+        aria-expanded="true"
+        >Date Range
+        <svg
+          class="-mr-1 ml-3px h-5 w-5"
+          xmlns="http://www.w3.org/2000/svg"
+          viewBox="0 0 20 20"
+          fill="black"
+          ><path
+            fill-rule="evenodd"
+            d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z"
+            clip-rule="evenodd"
+          /></svg
+        >
+      </button>
+    {#if dropdownOpen}
+      <div
+        class="z-50 mt-1 thinborder origin-top-right absolute left-0 w-24 roundedl drowpdown-shadow"
+      >
+        <div
+          class="bg-white roundedl"
+          role="menu"
+          aria-orientation="vertical"
+          aria-labelledby="options-menu"
+        >
+          <div class="py-1 roundedl">
+            <button
+              on:click={() => loadChart(1)}
+              on:click={closeDropdown}
+              class="interval-dropdown block px-4 py-2 text-sm font-thin text-gray-700 hover:bg-gray-100 hover:text-gray-900 focus:outline-none focus:bg-gray-100 focus:text-gray-900"
+              role="menuitem">1D</button
+            >
+            <button
+              on:click={() => loadChart(7)}
+              on:click={closeDropdown}
+              class="interval-dropdown block px-4 py-2 text-sm font-thin leading-5 text-gray-700 hover:bg-gray-100 hover:text-gray-900 focus:outline-none focus:bg-gray-100 focus:text-gray-900"
+              role="menuitem">1W</button
+            >
+            <button
+            on:click={() => loadChart(30)}
+              on:click={closeDropdown}
+              class="interval-dropdown block px-4 py-2 text-sm font-thin leading-5 text-gray-700 hover:bg-gray-100 hover:text-gray-900 focus:outline-none focus:bg-gray-100 focus:text-gray-900"
+              role="menuitem">1M</button
+            >
+            <button
+            on:click={() => loadChart(90)}
+              on:click={closeDropdown}
+              class="interval-dropdown block px-4 py-2 text-sm font-thin leading-5 text-gray-700 hover:bg-gray-100 hover:text-gray-900 focus:outline-none focus:bg-gray-100 focus:text-gray-900"
+              role="menuitem">3M</button
+            >
+            <button
+            on:click={() => loadChart(365)}
+              on:click={closeDropdown}
+              class="interval-dropdown block px-4 py-2 text-sm font-thin leading-5 text-gray-700 hover:bg-gray-100 hover:text-gray-900 focus:outline-none focus:bg-gray-100 focus:text-gray-900"
+              role="menuitem">1Y</button
+            >
+            <button
+            on:click={() => loadChart(yearToDate())}
+              on:click={closeDropdown}
+              class="interval-dropdown block px-4 py-2 text-sm font-thin leading-5 text-gray-700 hover:bg-gray-100 hover:text-gray-900 focus:outline-none focus:bg-gray-100 focus:text-gray-900"
+              role="menuitem">YTD</button
+            >
+          </div>
+        </div>
+      </div>
+    {/if}
+  </div>
+</div>
+<div id={chartId} use:watchResize={resize} />
+
+<style>
+  .interval-dropdown {
+    text-align: center;
+  }
+  .interval-button {
+    margin-left: 0;
+    margin-right: auto;
+    position: relative;
+  }
+</style>