369 lines
12 KiB
Svelte
369 lines
12 KiB
Svelte
<script lang="ts">
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import { setCache, getCache } from "$lib/store";
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import { monthNames } from "$lib/utils";
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import highcharts from "$lib/highcharts.ts";
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export let data;
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export let symbol;
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export let ratingsList;
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export let numOfRatings = 0;
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export let title = "Ratings";
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export let addToLast = false; //if date value not found at mark point to the last value date.
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let isLoaded = false;
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let config = null;
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let historicalData = [];
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let timePeriod = "1Y";
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function filterDataByPeriod(historicalData, period = "1Y") {
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const currentDate = new Date();
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let startDate;
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// Calculate the start date based on the period input
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switch (period) {
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case "1Y":
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startDate = new Date();
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startDate.setFullYear(currentDate.getFullYear() - 1);
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break;
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case "3Y":
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startDate = new Date();
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startDate.setFullYear(currentDate.getFullYear() - 3);
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break;
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case "5Y":
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startDate = new Date();
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startDate.setFullYear(currentDate.getFullYear() - 5);
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break;
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case "Max":
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// For 'Max', assume we want to start from the earliest possible date
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startDate = new Date(0); // This will set the date to January 1, 1970
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break;
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default:
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throw new Error(`Unsupported period: ${period}`);
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}
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// Filter the data based on the calculated start date
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const filteredData = historicalData?.filter((item) => {
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const itemDate = new Date(item?.time);
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return itemDate >= startDate && itemDate <= currentDate;
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});
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// Extract the dates and close values from the filtered data
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const dates = filteredData?.map((item) => item?.time);
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const closeValues = filteredData?.map((item) => item?.close);
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return { dates, closeValues };
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}
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async function historicalPrice(symbol) {
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const cachedData = getCache(symbol, "ratingsChart");
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if (cachedData) {
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historicalData = cachedData;
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} else {
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const postData = {
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ticker: symbol,
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timePeriod: "max",
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};
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const response = await fetch("/api/historical-price", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify(postData),
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});
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historicalData = (await response?.json()) ?? [];
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setCache(symbol, historicalData, "ratingsChart");
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}
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config = plotData();
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}
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// Function to plot data based on a specified time period
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function plotData() {
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// Extract the time (x-axis) and close values (y-axis)
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const { dates, closeValues } = filterDataByPeriod(
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historicalData,
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timePeriod,
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);
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// Process ratings for markers
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const markers = [];
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if (ratingsList && ratingsList.length > 0) {
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ratingsList
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?.filter((rating) => rating?.ticker === symbol)
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?.forEach((rating) => {
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let dateIndex;
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if (addToLast) {
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// If addToLast is true, use fallback logic for the last date
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dateIndex = dates.includes(rating?.date)
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? dates?.indexOf(rating?.date)
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: dates?.length - 1;
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} else {
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// If addToLast is false, use the original logic
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dateIndex = dates?.indexOf(rating?.date);
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}
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// Skip if date index is invalid
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if (dateIndex === -1) return;
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// Format the rating type
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const formattedType = rating?.type
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?.replace("Bought", "Buy")
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?.replace("Sold", "Sell")
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?.replace("Sector Perform", "Hold")
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?.replace("Equal-Weight", "Hold")
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?.replace("Market Perform", "Hold")
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?.replace("Overweight", "Buy")
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?.replace("Market Outperform", "Buy")
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?.replace("Outperform", "Buy")
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?.replace("Market Underperform", "Sell")
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?.replace("Underperform", "Sell")
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?.replace("Underweight", "Sell");
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// Determine marker color based on rating type
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let markerColor = "#FF0000"; // Default to red (Sell)
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if (["Buy", "Strong Buy"].includes(formattedType)) {
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markerColor = "#00FF00"; // Green for Buy ratings
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} else if (["Hold", "Neutral"].includes(formattedType)) {
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markerColor = "#FFA500"; // Orange for Hold ratings
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}
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// Add marker point
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markers.push({
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x: dateIndex,
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y: closeValues[dateIndex],
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marker: {
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symbol: "triangle-down",
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radius: 6,
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fillColor: markerColor,
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lineWidth: 2,
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lineColor: "#FFFFFF",
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},
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dataLabels: {
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enabled: true,
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format: formattedType,
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style: {
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color: "#FFFFFF",
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fontWeight: "bold",
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fontSize: "14px",
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},
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y: -10,
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},
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});
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});
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}
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// Create Highcharts options
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const options = {
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chart: {
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backgroundColor: "#09090B",
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height: 360,
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},
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credits: { enabled: false },
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legend: { enabled: false },
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title: {
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text: `<h3 class="mt-3 mb-1">${symbol} - ${numOfRatings} Transaction</h3>`,
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useHTML: true,
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style: { color: "white" },
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},
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xAxis: {
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type: "datetime",
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endOnTick: false,
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categories: dates,
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crosshair: {
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color: "#fff", // Set the color of the crosshair line
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width: 1, // Adjust the line width as needed
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dashStyle: "Solid",
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},
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labels: {
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style: {
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color: "#fff",
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},
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distance: 20, // Increases space between label and axis
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formatter: function () {
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const date = new Date(this.value);
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return date.toLocaleDateString("en-US", {
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month: "short",
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year: "numeric",
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});
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},
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},
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tickPositioner: function () {
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// Create custom tick positions with wider spacing
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const positions = [];
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const info = this.getExtremes();
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const tickCount = 5; // Reduce number of ticks displayed
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const interval = Math.floor((info.max - info.min) / tickCount);
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for (let i = 0; i <= tickCount; i++) {
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positions.push(info.min + i * interval);
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}
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return positions;
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},
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},
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yAxis: {
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gridLineWidth: 1,
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gridLineColor: "#111827",
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labels: {
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style: { color: "white" },
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},
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title: { text: null },
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opposite: true,
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},
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tooltip: {
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shared: true,
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useHTML: true,
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backgroundColor: "rgba(0, 0, 0, 0.8)", // Semi-transparent black
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borderColor: "rgba(255, 255, 255, 0.2)", // Slightly visible white border
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borderWidth: 1,
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style: {
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color: "#fff",
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fontSize: "16px",
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padding: "10px",
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},
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borderRadius: 4,
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formatter: function () {
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// Format the x value to display time in hh:mm format
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let tooltipContent = `<span class="text-white m-auto text-black text-[1rem] font-[501]">${this?.x}</span><br>`;
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// Loop through each point in the shared tooltip
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this.points.forEach((point) => {
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tooltipContent += `<span class="text-white font-semibold text-sm">${point.series.name}:</span>
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<span class="text-white font-normal text-sm" style="color:${point.color}">${
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point.y
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}</span><br>`;
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});
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return tooltipContent;
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},
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},
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plotOptions: {
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animation: false,
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column: {
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grouping: true,
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shadow: false,
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borderWidth: 0,
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},
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},
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series: [
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{
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name: "Price",
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data: closeValues.map((value, index) => {
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return markers.some((marker) => marker.x === index)
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? { y: value } // Keeps the price plotted while allowing markers
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: value;
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}),
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type: "area",
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color: "#FFFFFF",
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lineWidth: 1,
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animation: false,
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zIndex: 10,
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fillColor: {
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linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
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stops: [
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[0, "rgba(255, 255, 255, 0.1)"],
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[1, "rgba(255, 255, 255, 0.001)"],
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],
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},
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},
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{
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name: "Ratings",
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type: "scatter",
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data: markers,
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enableMouseTracking: false,
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animation: false,
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marker: {
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enabled: true,
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},
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},
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],
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};
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return options;
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}
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$: {
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if (symbol && timePeriod) {
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isLoaded = false;
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config = null;
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historicalData = [];
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historicalPrice(symbol);
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isLoaded = true;
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}
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}
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</script>
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<div class="w-full overflow-hidden m-auto">
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{#if isLoaded && config !== null}
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{#if historicalData?.length > 0}
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<div class="relative">
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<div
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class="flex justify-start space-x-2 w-full ml-2 absolute top-3.5 z-10"
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>
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{#each ["1Y", "3Y", "5Y", "Max"] as item, index}
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{#if data?.user?.tier === "Pro" || index === 0}
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<label
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on:click={() => (timePeriod = item)}
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class="px-3 py-1 {timePeriod === item
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? 'bg-white text-black shadow-xl'
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: 'text-white bg-table text-opacity-[0.6]'} transition ease-out duration-100 sm:hover:bg-white sm:hover:text-black rounded-md cursor-pointer"
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>
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{item}
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</label>
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{:else if data?.user?.tier !== "Pro"}
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<a
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href="/pricing"
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class="px-4 py-2 flex flex-row items-center {timePeriod === item
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? 'bg-white text-black shadow-xl'
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: 'text-white bg-table text-opacity-[0.6]'} transition ease-out duration-100 sm:hover:bg-white sm:hover:text-black rounded-md cursor-pointer"
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>
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{item}
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<svg
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class="ml-1 mt-0.5 w-3.5 h-3.5 inline-block"
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xmlns="http://www.w3.org/2000/svg"
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viewBox="0 0 24 24"
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><path
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fill="#A3A3A3"
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d="M17 9V7c0-2.8-2.2-5-5-5S7 4.2 7 7v2c-1.7 0-3 1.3-3 3v7c0 1.7 1.3 3 3 3h10c1.7 0 3-1.3 3-3v-7c0-1.7-1.3-3-3-3M9 7c0-1.7 1.3-3 3-3s3 1.3 3 3v2H9z"
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/></svg
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>
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</a>
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{/if}
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{/each}
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</div>
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</div>
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<div
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class="border border-gray-800 rounded w-full"
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use:highcharts={config}
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></div>
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{:else}
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<div class="h-[250px] sm:h-[350px]">
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<div
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class="flex h-full w-full flex-col items-center justify-center rounded-sm border border-gray-800 p-6 text-center md:p-12"
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>
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<div class="mb-4 text-white text-[1rem] sm:text-xl font-semibold">
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No chart data available for {symbol}
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</div>
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</div>
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</div>
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{/if}
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{:else}
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<div class="flex justify-center items-center h-80">
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<div class="relative">
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<label
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class="bg-default 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"
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>
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<span
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class="loading loading-spinner loading-md sm:loading-[1rem] text-gray-400"
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></span>
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</label>
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</div>
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</div>
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{/if}
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</div>
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