historical.ts•1.84 kB
import { z } from 'zod';
import { getAssets, getHistoricalData } from '../services/coincap.js';
import { formatHistoricalAnalysis } from '../services/formatters.js';
export const GetHistoricalAnalysisSchema = z.object({
symbol: z.string().min(1),
interval: z.enum(['m5', 'm15', 'm30', 'h1', 'h2', 'h6', 'h12', 'd1']).default('h1'),
days: z.number().min(1).max(30).default(7),
});
export async function handleGetHistoricalAnalysis(args: unknown) {
const { symbol, interval, days } = GetHistoricalAnalysisSchema.parse(args);
const upperSymbol = symbol.toUpperCase();
try {
const assetsData = await getAssets();
if (!assetsData) {
return {
content: [{ type: "text", text: "Failed to retrieve cryptocurrency data" }],
};
}
const asset = assetsData.data.find(
(a: { symbol: string; }) => a.symbol.toUpperCase() === upperSymbol
);
if (!asset) {
return {
content: [{ type: "text", text: `Could not find cryptocurrency with symbol ${upperSymbol}` }],
};
}
const end = Date.now();
const start = end - (days * 24 * 60 * 60 * 1000);
const historyData = await getHistoricalData(asset.id, interval, start, end);
if (!historyData) {
return {
content: [{ type: "text", text: "Failed to retrieve historical data" }],
};
}
if (!historyData.data.length) {
return {
content: [{ type: "text", text: "No historical data available for the selected time period" }],
};
}
return {
content: [{ type: "text", text: formatHistoricalAnalysis(asset, historyData.data) }],
};
} catch (error) {
return {
content: [{
type: "text",
text: error instanceof Error ? error.message : `Failed to retrieve historical data: ${String(error)}`
}],
};
}
}