frontend/src/routes/list/industry/[slug]/+page.svelte
2024-10-28 22:22:50 +01:00

300 lines
9.2 KiB
Svelte

<script lang="ts">
import { goto } from "$app/navigation";
import { screenWidth } from "$lib/store";
import { abbreviateNumber } from "$lib/utils";
import { onMount } from "svelte";
import { Chart } from "svelte-echarts";
import { init, use } from "echarts/core";
import { LineChart } from "echarts/charts";
import { GridComponent, TooltipComponent } from "echarts/components";
import { CanvasRenderer } from "echarts/renderers";
export let data;
let isLoaded = false;
use([LineChart, GridComponent, TooltipComponent, CanvasRenderer]);
let rawData = data?.getIndustryStocks?.stocks;
let stockList = rawData?.slice(0, 50);
let optionsData;
const monthNames = [
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
];
async function handleScroll() {
const scrollThreshold = document.body.offsetHeight * 0.8; // 80% of the website height
const isBottom = window.innerHeight + window.scrollY >= scrollThreshold;
if (isBottom && stockList?.length !== rawData?.length) {
const nextIndex = stockList?.length;
const filteredNewResults = rawData?.slice(nextIndex, nextIndex + 50);
stockList = [...stockList, ...filteredNewResults];
}
}
function getPlotOptions() {
let dates = [];
let valueList = [];
// Iterate over the data and extract required information
data?.getIndustryStocks?.history?.forEach((item) => {
dates?.push(item?.date);
valueList?.push(item?.pe);
});
const option = {
silent: true,
tooltip: {
trigger: "axis",
hideDelay: 100, // Set the delay in milliseconds
},
animation: false,
grid: {
left: "0%",
right: "2%",
bottom: "2%",
top: "5%",
containLabel: true,
},
xAxis: {
type: "category",
boundaryGap: false,
data: dates,
axisLabel: {
color: "#fff",
formatter: function (value) {
// Assuming dates are in the format 'yyyy-mm-dd'
// Extract the month and day from the date string and convert the month to its abbreviated name
const dateParts = value.split("-");
const year = dateParts[0].substring(2); // Extracting the last two digits of the year
const monthIndex = parseInt(dateParts[1]) - 1; // Months are zero-indexed in JavaScript Date objects
return `${monthNames[monthIndex]} '${year}`;
},
},
},
yAxis: [
{
type: "value",
splitLine: {
show: false, // Disable x-axis grid lines
},
axisLabel: {
color: "#fff",
formatter: function (value, index) {
if (index % 2 === 0) {
return value?.toFixed(0); // Format the sentiment value
} else {
return ""; // Hide this tick
}
},
},
},
],
series: [
{
name: "PE Ratio",
data: valueList,
type: "line",
symbol: "none",
itemStyle: {
color: "#fff",
},
},
],
};
return option;
}
let totalMarketCap =
rawData?.reduce((total, stock) => total + stock?.marketCap, 0) ?? 0;
let totalRevenue =
rawData?.reduce((total, stock) => total + stock?.revenue, 0) ?? 0;
let peHistory = data?.getIndustryStocks?.history || [];
let totalPERatio = peHistory.reduce(
(total, stock) => total + (stock?.pe || 0),
0,
);
let avgPERatio =
peHistory.length > 0 ? (totalPERatio / peHistory?.length)?.toFixed(2) : 0;
onMount(async () => {
optionsData = await getPlotOptions();
isLoaded = true;
window.addEventListener("scroll", handleScroll);
return () => {
window.removeEventListener("scroll", handleScroll);
};
});
$: charNumber = $screenWidth < 640 ? 15 : 20;
</script>
<section class="w-full overflow-hidden m-auto">
<div
class="border border-gray-800 w-full sm:flex sm:flex-row sm:items-center m-auto text-gray-100 bg-[#09090B] sm:rounded-lg h-auto p-5 mb-4"
>
<svg
class="w-5 h-5 inline-block sm:mr-2 flex-shrink-0"
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 256 256"
><path
fill="#a474f6"
d="M128 24a104 104 0 1 0 104 104A104.11 104.11 0 0 0 128 24m-4 48a12 12 0 1 1-12 12a12 12 0 0 1 12-12m12 112a16 16 0 0 1-16-16v-40a8 8 0 0 1 0-16a16 16 0 0 1 16 16v40a8 8 0 0 1 0 16"
/></svg
>
The {data?.getIndustryStocks?.name} Industry has a total of {data
?.getIndustryStocks?.stocks?.length} stocks, with a combined market cap of
{abbreviateNumber(totalMarketCap, true)}, total revenue of {abbreviateNumber(
totalRevenue,
true,
)} and an average PE Ratio of {avgPERatio}.
</div>
<h2 class="text-white text-xl sm:text-2xl mt-8 font-semibold">
Historical PE Ratio
</h2>
<div class="app w-full h-[300px] mt-5 mb-8">
{#if isLoaded}
<Chart {init} options={optionsData} class="chart" />
{:else}
<div class="flex justify-center items-center h-80">
<div class="relative">
<label
class="bg-[#09090B] rounded-xl h-14 w-14 flex justify-center items-center absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2"
>
<span class="loading loading-spinner loading-md text-gray-400"
></span>
</label>
</div>
</div>
{/if}
</div>
<!-- Page wrapper -->
<div class="flex justify-center w-full m-auto h-full overflow-hidden">
<!-- Content area -->
<div class="w-full overflow-x-scroll">
<table
class="table table-sm table-compact no-scrollbar rounded-none sm:rounded-md w-full bg-[#09090B] border-bg-[#09090B] m-auto"
>
<thead>
<tr class="bg-[#09090B]">
<th
class="text-start bg-[#09090B] text-white text-[1rem] font-semibold"
>
Symbol
</th>
<th
class="text-start bg-[#09090B] text-white text-[1rem] font-semibold"
>
Name
</th>
<th
class="text-end bg-[#09090B] text-white text-[1rem] font-semibold"
>
Market Cap
</th>
<th
class="text-end bg-[#09090B] text-white text-[1rem] font-semibold"
>
% Change
</th>
<th
class="text-end bg-[#09090B] text-white text-[1rem] font-semibold"
>
Volume
</th>
<th
class="hidden xl:table-cell text-end bg-[#09090B] text-white text-[1rem] font-semibold"
>
Revenue
</th>
</tr>
</thead>
<tbody>
{#each stockList as item}
<tr
class="sm:hover:bg-[#245073] sm:hover:bg-opacity-[0.2] odd:bg-[#27272A]"
>
<td class="text-sm sm:text-[1rem] whitespace-nowrap text-start">
<a
href={`/stocks/${item?.symbol}`}
class="sm:hover:text-white text-blue-400"
>
{item?.symbol}
</a>
</td>
<td
class="hidden sm:table-cell text-white text-sm sm:text-[1rem] whitespace-nowrap text-white text-start"
>
{item?.name?.length > charNumber
? item?.name?.slice(0, charNumber) + "..."
: item?.name}
</td>
<td
class="text-end text-sm sm:text-[1rem] whitespace-nowrap text-white"
>
{abbreviateNumber(item?.marketCap)}
</td>
<td
class="text-sm sm:text-[1rem] whitespace-nowrap {item?.changesPercentage !==
null && item?.changesPercentage >= 0
? 'text-[#00FC50]'
: item?.changesPercentage < 0
? 'text-[#FF2F1F]'
: 'text-white'} text-end"
>
{item?.changesPercentage !== null
? item?.changesPercentage
: "-"}
</td>
<td class="text-sm sm:text-[1rem] text-white text-end">
{item?.volume !== null ? abbreviateNumber(item?.volume) : "-"}
</td>
<td
class="text-end text-sm sm:text-[1rem] whitespace-nowrap font-medium text-white"
>
{item?.revenue === 0 ? "-" : abbreviateNumber(item?.revenue)}
</td>
</tr>
{/each}
</tbody>
</table>
</div>
</div>
</section>
<style>
.app {
height: 300px;
max-width: 100%; /* Ensure chart width doesn't exceed the container */
}
@media (max-width: 640px) {
.app {
height: 210px;
}
}
.chart {
width: 100%;
}
</style>