frontend/src/lib/components/Options/GreekByStrike.svelte
MuslemRahimi 7a4331e7a8 ui fix
2025-01-09 22:05:01 +01:00

381 lines
12 KiB
Svelte

<script lang="ts">
import { abbreviateNumberWithColor } from "$lib/utils";
import { screenWidth } from "$lib/store";
import { onMount } from "svelte";
import TableHeader from "$lib/components/Table/TableHeader.svelte";
import UpgradeToPro from "$lib/components/UpgradeToPro.svelte";
import { Chart } from "svelte-echarts";
import { init, use } from "echarts/core";
import { LineChart, BarChart } from "echarts/charts";
import {
GridComponent,
TooltipComponent,
LegendComponent,
} from "echarts/components";
import { CanvasRenderer } from "echarts/renderers";
use([
LineChart,
BarChart,
GridComponent,
TooltipComponent,
LegendComponent,
CanvasRenderer,
]);
export let data;
export let title = "Gamma";
$: isGamma = title === "Gamma";
let rawData = data?.getData || [];
rawData = rawData?.map((item) => {
if (title === "Gamma") {
return {
...item,
net_gex: (item?.call_gex || 0) + (item?.put_gex || 0),
put_call_ratio:
item?.call_gex > 0
? Math.abs((item?.put_gex || 0) / item?.call_gex)
: null,
};
} else {
return {
...item,
net_delta: (item?.call_delta || 0) + (item?.put_delta || 0),
put_call_ratio:
item?.call_delta > 0
? Math.abs((item?.put_delta || 0) / item?.call_delta)
: null,
};
}
});
let displayList = rawData?.slice(0, 150);
let options = null;
function plotData() {
const isGamma = title === "Gamma"; // don't delete this $: isGamma is not rendered fast enough; stupid fkn javascript
const processedData = rawData
?.map((d) => ({
strike: d?.strike,
callValue: isGamma ? d?.call_gex : d?.call_delta,
putValue: isGamma ? d?.put_gex : d?.put_delta,
netValue: isGamma ? d?.net_gex : d?.net_delta,
}))
?.sort((a, b) => a?.strike - b?.strike);
const strikes = processedData?.map((d) => d.strike);
const callValues = processedData?.map((d) => d.callValue?.toFixed(2));
const putValues = processedData?.map((d) => d.putValue?.toFixed(2));
const netValues = processedData?.map((d) => d.netValue?.toFixed(2));
const options = {
animation: false,
tooltip: {
trigger: "axis",
axisPointer: {
type: "shadow",
},
backgroundColor: "#313131",
textStyle: {
color: "#fff",
},
formatter: function (params) {
const strike = params[0].axisValue;
const put = params[0].data;
const net = params[1].data;
const call = params[2].data;
return `
<div style="text-align:left;">
<b>Strike:</b> ${strike}<br/>
<span style="color:#9B5DC4;">● Put ${isGamma ? "Gamma" : "Delta"}:</span> ${abbreviateNumberWithColor(put, false, true)}<br/>
<span style="color:#FF2F1F;">● Net ${isGamma ? "Gamma" : "Delta"}:</span> ${abbreviateNumberWithColor(net, false, true)}<br/>
<span style="color:#C4E916;">● Call ${isGamma ? "Gamma" : "Delta"}:</span> ${abbreviateNumberWithColor(call, false, true)}<br/>
</div>`;
},
},
grid: {
left: $screenWidth < 640 ? "5%" : "0%",
right: $screenWidth < 640 ? "5%" : "0%",
bottom: "5%",
containLabel: true,
},
xAxis: {
type: "value",
nameTextStyle: { color: "#fff" },
splitLine: { show: false },
axisLabel: {
show: false, // Hide x-axis labels
},
},
yAxis: {
type: "category",
data: strikes,
axisLine: { lineStyle: { color: "#fff" } },
axisLabel: { color: "#fff" },
splitLine: { show: false },
},
series: [
{
name: `Put ${isGamma ? "Gamma" : "Delta"}`,
type: "bar",
data: putValues,
stack: "value",
itemStyle: { color: "#9B5DC4" },
barWidth: "40%",
},
{
name: `Net ${isGamma ? "Gamma" : "Delta"}`,
type: "bar",
data: netValues,
stack: "value",
itemStyle: { color: "#FF2F1F" },
},
{
name: `Call ${isGamma ? "Gamma" : "Delta"}`,
type: "bar",
data: callValues,
stack: "value",
itemStyle: { color: "#C4E916" },
},
],
};
return options;
}
async function handleScroll() {
const scrollThreshold = document.body.offsetHeight * 0.8; // 80% of the website height
const isBottom = window.innerHeight + window.scrollY >= scrollThreshold;
if (isBottom && displayList?.length !== rawData?.length) {
const nextIndex = displayList?.length;
const filteredNewResults = rawData?.slice(nextIndex, nextIndex + 50);
displayList = [...displayList, ...filteredNewResults];
}
}
onMount(() => {
window.addEventListener("scroll", handleScroll);
return () => {
window.removeEventListener("scroll", handleScroll);
};
});
$: columns = [
{ key: "strike", label: "Strike Price", align: "left" },
{
key: isGamma ? "call_gex" : "call_delta",
label: `Call ${isGamma ? "GEX" : "Delta"}`,
align: "right",
},
{
key: isGamma ? "put_gex" : "put_delta",
label: `Put ${isGamma ? "GEX" : "Delta"}`,
align: "right",
},
{
key: isGamma ? "net_gex" : "net_delta",
label: `Net ${isGamma ? "GEX" : "Delta"}`,
align: "right",
},
{
key: "put_call_ratio",
label: `P/C`,
align: "right",
},
];
$: sortOrders = {
strike: { order: "none", type: "number" },
[isGamma ? "call_gex" : "call_delta"]: { order: "none", type: "number" },
[isGamma ? "put_gex" : "put_delta"]: { order: "none", type: "number" },
[isGamma ? "net_gex" : "net_delta"]: { order: "none", type: "number" },
put_call_ratio: { order: "none", type: "number" },
};
const sortData = (key) => {
// Reset all other keys to 'none' except the current key
for (const k in sortOrders) {
if (k !== key) {
sortOrders[k].order = "none";
}
}
// Cycle through 'none', 'asc', 'desc' for the clicked key
const orderCycle = ["none", "asc", "desc"];
let originalData = rawData;
const currentOrderIndex = orderCycle.indexOf(sortOrders[key].order);
sortOrders[key].order =
orderCycle[(currentOrderIndex + 1) % orderCycle.length];
const sortOrder = sortOrders[key].order;
// Reset to original data when 'none' and stop further sorting
if (sortOrder === "none") {
originalData = [...rawData]; // Reset originalData to rawDataVolume
displayList = originalData;
return;
}
// Define a generic comparison function
const compareValues = (a, b) => {
const { type } = sortOrders[key];
let valueA, valueB;
switch (type) {
case "date":
valueA = new Date(a[key]);
valueB = new Date(b[key]);
break;
case "string":
valueA = a[key].toUpperCase();
valueB = b[key].toUpperCase();
return sortOrder === "asc"
? valueA.localeCompare(valueB)
: valueB.localeCompare(valueA);
case "number":
default:
valueA = parseFloat(a[key]);
valueB = parseFloat(b[key]);
break;
}
if (sortOrder === "asc") {
return valueA < valueB ? -1 : valueA > valueB ? 1 : 0;
} else {
return valueA > valueB ? -1 : valueA < valueB ? 1 : 0;
}
};
// Sort using the generic comparison function
displayList = [...originalData].sort(compareValues);
};
$: {
if (typeof window !== "undefined") {
options = plotData();
}
}
</script>
<div class="sm:p-7 w-full m-auto mt-2 sm:mt-0">
<h2
class=" flex flex-row items-center text-white text-xl sm:text-2xl font-bold w-fit"
>
{title} Exposure By Strike
</h2>
<div class="w-full overflow-hidden m-auto">
{#if options !== null}
<div class="app w-full relative">
<Chart {init} {options} class="chart" />
</div>
{:else}
<div class="flex justify-center items-center h-80">
<div class="relative">
<label
class="bg-primary rounded-md 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 sm:loading-[1rem] text-gray-400"
></span>
</label>
</div>
</div>
{/if}
</div>
<div class="w-full overflow-x-scroll text-white">
<table
class="w-full table table-sm table-compact bg-table border border-gray-800 rounded-none sm:rounded-md m-auto overflow-x-auto"
>
<thead>
<TableHeader {columns} {sortOrders} {sortData} />
</thead>
<tbody>
{#each data?.user?.tier === "Pro" ? displayList : displayList?.slice(0, 3) as item, index}
<tr
class="sm:hover:bg-[#245073] sm:hover:bg-opacity-[0.2] odd:bg-odd border-b border-gray-800 {index +
1 ===
displayList?.slice(0, 3)?.length && data?.user?.tier !== 'Pro'
? 'opacity-[0.1]'
: ''}"
>
<td
class="text-white text-sm sm:text-[1rem] text-start whitespace-nowrap"
>
{item?.strike?.toFixed(2)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{@html abbreviateNumberWithColor(
(isGamma ? item?.call_gex : item?.call_delta)?.toFixed(2),
false,
true,
)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{@html abbreviateNumberWithColor(
(isGamma ? item?.put_gex : item?.put_delta)?.toFixed(2),
false,
true,
)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{@html abbreviateNumberWithColor(
(isGamma ? item?.net_gex : item?.net_delta)?.toFixed(2),
false,
true,
)}
</td>
<td
class="text-white text-sm sm:text-[1rem] text-end whitespace-nowrap"
>
{#if item?.put_call_ratio <= 1 && item?.put_call_ratio !== null}
<span class="text-[#00FC50]"
>{item?.put_call_ratio?.toFixed(2)}</span
>
{:else if item?.put_call_ratio > 1 && item?.put_call_ratio !== null}
<span class="text-[#FF2F1F]"
>{item?.put_call_ratio?.toFixed(2)}</span
>
{:else}
n/a
{/if}
</td>
</tr>
{/each}
</tbody>
</table>
</div>
<UpgradeToPro {data} />
</div>
<style>
.app {
height: 1000px;
width: 100%;
}
@media (max-width: 560px) {
.app {
width: 100%;
height: 500px;
}
}
.chart {
width: 100%;
}
</style>