crypto-data/src/routes/webhook/tradingview/+server.ts

import { json } from '@sveltejs/kit'
import { RestClientV5 } from 'bybit-api'
import { z } from 'zod'

export const POST = async ({ locals, request }) => {
	const type = request.headers.get('Content-Type')
	console.log('Type:', type)
	if (type !== 'application/json; charset=utf-8') {
		return new Response()
	}

	const body = await request.json()

	console.log('Body:', body)

	const flatSchema = z.object({
		type: z.literal('Flat'),
		key: z.string(),
		secret: z.string(),
		symbol: z.string(),
		side: z.enum(['Buy', 'Sell']),
		qty: z.string(),
		takeProfit: z.string().optional(),
		stopLoss: z.string().optional(),
	})
	const percentSchema = z.object({
		type: z.literal('Percent'),
		key: z.string(),
		secret: z.string(),
		symbol: z.string(),
		side: z.enum(['Buy', 'Sell']),
		entryPrice: z.string(),
		qtyPercent: z.string(),
		takeProfitPercent: z.string().optional(),
		stopLossPercent: z.string().optional(),
	})
	const form = z.union([flatSchema, percentSchema]).safeParse(body)

	if (!form.success) {
		console.log(form.error)
		return json({}, { status: 400 })
	}

	// const apiKey = 'wrc1w54Zp5JAfXLxY2'
	// const apiSecret = 'tY7oYPhwSE1gabFS4PmxtmbDOhkYWvPh0khf'

	const { key, secret, side, symbol } = form.data

	try {
		let qty
		let takeProfit
		let stopLoss

		if (form.data.type === 'Flat') {
			qty = form.data.qty
			takeProfit = form.data.takeProfit
			stopLoss = form.data.stopLoss
		} else {
			qty = (
				(Number(form.data.entryPrice) *
					Number(form.data.qtyPercent)) /
				100
			).toString()
			takeProfit = (
				Number(form.data.entryPrice) *
				(1 + Number(form.data.takeProfitPercent) / 100)
			).toString()
			stopLoss = (
				Number(form.data.entryPrice) *
				(1 - Number(form.data.stopLossPercent) / 100)
			).toString()
		}

		const client = new RestClientV5({
			key: key,
			secret: secret,
			demoTrading: true,
		})

		console.log({ qty, takeProfit, stopLoss })

		await client.submitOrder({
			category: 'linear',
			symbol,
			side,
			orderType: 'Market',
			qty,
			takeProfit,
			stopLoss,
		})
	} catch (error) {
		console.log('Error', error)
	} finally {
		return new Response()
	}
}