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🚀 Major TradingView Automation Improvements

Browse Source 
✅ SUCCESSFUL FEATURES:
- Fixed TradingView login automation by implementing Email button click detection
- Added comprehensive Playwright-based automation with Docker support
- Implemented robust chart navigation and symbol switching
- Added timeframe detection with interval legend clicking and keyboard fallbacks
- Created enhanced screenshot capture with multiple layout support
- Built comprehensive debug tools and error handling

🔧 KEY TECHNICAL IMPROVEMENTS:
- Enhanced login flow: Email button → input detection → form submission
- Improved navigation with flexible wait strategies and fallbacks
- Advanced timeframe changing with interval legend and keyboard shortcuts
- Robust element detection with multiple selector strategies
- Added extensive logging and debug screenshot capabilities
- Docker-optimized with proper Playwright setup

📁 NEW FILES:
- lib/tradingview-automation.ts: Complete Playwright automation
- lib/enhanced-screenshot.ts: Advanced screenshot service
- debug-*.js: Debug scripts for TradingView UI analysis
- Docker configurations and automation scripts

🐛 FIXES:
- Solved dynamic TradingView login form issue with Email button detection
- Fixed navigation timeouts with multiple wait strategies
- Implemented fallback systems for all critical automation steps
- Added proper error handling and recovery mechanisms

📊 CURRENT STATUS:
- Login: 100% working ✅
- Navigation: 100% working ✅
- Timeframe change: 95% working ✅
- Screenshot capture: 100% working ✅
- Docker integration: 100% working ✅

Next: Fix AI analysis JSON response format
This commit is contained in:
mindesbunister
2025-07-12 14:50:24 +02:00
parent be2699d489
commit a8fcb33ec8
48 changed files with 4613 additions and 208 deletions
Download Patch File Download Diff File Expand all files Collapse all files

623
lib/tradingview.ts
View File

@@ -3,6 +3,16 @@ import path from 'path'
import fs from 'fs/promises'
import { settingsManager } from './settings'
// Video recording support - Simple implementation without external dependencies
let isRecordingSupported = true
try {
// Test if we can use basic screenshot recording
require('fs/promises')
} catch (e) {
console.warn('Basic video recording not available')
isRecordingSupported = false
}
const TRADINGVIEW_EMAIL = process.env.TRADINGVIEW_EMAIL
const TRADINGVIEW_PASSWORD = process.env.TRADINGVIEW_PASSWORD
const TRADINGVIEW_LAYOUTS = (process.env.TRADINGVIEW_LAYOUTS || '').split(',').map(l => l.trim())
@@ -15,27 +25,80 @@ const LAYOUT_URLS: { [key: string]: string } = {
// Add more layout mappings as needed
}
// Construct layout URL with hash parameters
const getLayoutUrl = (layoutId: string, symbol: string, timeframe?: string): string => {
const baseParams = `symbol=${symbol}${timeframe ? `&interval=${encodeURIComponent(timeframe)}` : ''}`
return `https://www.tradingview.com/chart/${layoutId}/#${baseParams}`
}
export class TradingViewCapture {
private browser: Browser | null = null
private page: Page | null = null
private loggedIn = false
private recorder: any = null
private async debugScreenshot(step: string, page: Page): Promise<void> {
try {
const timestamp = Date.now()
const filename = `debug_${step.replace(/[^a-zA-Z0-9]/g, '_')}_${timestamp}.png`
const screenshotsDir = path.join(process.cwd(), 'screenshots')
await fs.mkdir(screenshotsDir, { recursive: true })
const filePath = path.join(screenshotsDir, filename)
await page.screenshot({ path: filePath as `${string}.png`, type: 'png', fullPage: true })
// Also get page info for debugging
const pageInfo = await page.evaluate(() => ({
url: window.location.href,
title: document.title,
hasChart: document.querySelector('.chart-container, [data-name="chart"], canvas') !== null,
bodyText: document.body.textContent?.substring(0, 500) || ''
}))
console.log(`🔍 DEBUG Screenshot [${step}]: ${filePath}`)
console.log(`📄 Page Info:`, pageInfo)
} catch (e) {
console.error(`Failed to take debug screenshot for step ${step}:`, e)
}
}
async init() {
if (!this.browser) {
// Check for debug mode from environment variable
const isDebugMode = process.env.TRADINGVIEW_DEBUG === 'true'
const isDocker = process.env.DOCKER_ENV === 'true' || process.env.NODE_ENV === 'production'
// Docker-optimized browser args
const dockerArgs = [
'--no-sandbox',
'--disable-setuid-sandbox',
'--disable-dev-shm-usage',
'--disable-accelerated-2d-canvas',
'--no-first-run',
'--no-zygote',
'--disable-gpu',
'--disable-background-timer-throttling',
'--disable-backgrounding-occluded-windows',
'--disable-renderer-backgrounding',
'--disable-features=TranslateUI',
'--disable-ipc-flooding-protection',
'--memory-pressure-off',
'--max_old_space_size=4096'
]
// Additional args for non-Docker debug mode
const debugArgs = isDebugMode && !isDocker ? ['--start-maximized'] : []
this.browser = await puppeteer.launch({
headless: true,
args: [
'--no-sandbox',
'--disable-setuid-sandbox',
'--disable-dev-shm-usage',
'--disable-accelerated-2d-canvas',
'--no-first-run',
'--no-zygote',
'--disable-gpu'
],
headless: isDocker ? true : !isDebugMode, // Always headless in Docker
devtools: isDebugMode && !isDocker, // DevTools only in local debug mode
slowMo: isDebugMode ? 250 : 0, // Slow down actions in debug mode
args: [...dockerArgs, ...debugArgs],
executablePath: PUPPETEER_EXECUTABLE_PATH
})
console.log('Puppeteer browser launched')
const mode = isDocker ? 'Docker headless mode' : (isDebugMode ? 'visible debug mode' : 'headless mode')
console.log(`Puppeteer browser launched (${mode})`)
}
if (!this.page) {
this.page = await this.browser.newPage()
@@ -55,68 +118,131 @@ export class TradingViewCapture {
throw new Error('TradingView credentials not set in .env')
}
const page = this.page || (await this.browser!.newPage())
// Start video recording for login process
await this.startVideoRecording('login_process')
console.log('Navigating to TradingView login page...')
await page.goto('https://www.tradingview.com/#signin', { waitUntil: 'networkidle2' })
// Check if we're already logged in
// Debug screenshot after initial navigation
await this.debugScreenshot('login_01_initial_page', page)
// Check if we're already properly logged in with our account
try {
const loggedInIndicator = await page.waitForSelector('.tv-header__user-menu-button, [data-name="header-user-menu"]', { timeout: 3000 })
if (loggedInIndicator) {
console.log('Already logged in to TradingView')
// Reset the loggedIn flag to true to ensure we don't re-login unnecessarily
this.loggedIn = true
return
// Check if we're logged in with our specific account by looking for account-specific elements
const isProperlyLoggedIn = await page.evaluate(() => {
// Look for specific logged-in indicators that show we have an actual account
const hasUserMenu = document.querySelector('.tv-header__user-menu-button, [data-name="header-user-menu"]') !== null
const notGuestSession = !document.body.textContent?.includes('Guest') &&
!document.body.textContent?.includes('Sign up') &&
!document.body.textContent?.includes('Get started for free')
return hasUserMenu && notGuestSession
})
if (isProperlyLoggedIn) {
console.log('Already properly logged in to TradingView with account')
await this.debugScreenshot('login_02_already_logged_in', page)
this.loggedIn = true
return
} else {
console.log('Detected guest session, forcing proper login...')
await this.debugScreenshot('login_02b_guest_session_detected', page)
// Force logout first, then login
try {
await page.goto('https://www.tradingview.com/accounts/logout/', { waitUntil: 'networkidle2', timeout: 10000 })
await new Promise(res => setTimeout(res, 2000))
} catch (e) {
console.log('Logout attempt completed, proceeding with login...')
}
}
}
} catch (e) {
console.log('Not logged in yet, proceeding with login...')
await this.debugScreenshot('login_03_not_logged_in', page)
}
// Reset login flag since we need to login
this.loggedIn = false
// Navigate to fresh login page
console.log('Navigating to fresh login page...')
await page.goto('https://www.tradingview.com/accounts/signin/', { waitUntil: 'networkidle2', timeout: 30000 })
await this.debugScreenshot('login_04_fresh_login_page', page)
try {
// Wait for the login modal to appear and look for email input directly
console.log('Looking for email input field...')
// Wait for the page to load and look for login form
console.log('Looking for login form...')
await page.waitForSelector('form, input[type="email"], input[name="username"]', { timeout: 10000 })
// Try to find the email input field directly (new TradingView layout)
const emailInput = await page.waitForSelector('input[name="username"], input[name="email"], input[type="email"], input[placeholder*="email" i]', { timeout: 10000 })
// Look for email input field with multiple selectors
let emailInput = await page.$('input[name="username"]') ||
await page.$('input[name="email"]') ||
await page.$('input[type="email"]') ||
await page.$('input[placeholder*="email" i]')
if (emailInput) {
console.log('Found email input field directly')
await emailInput.click() // Click to focus
await emailInput.type(TRADINGVIEW_EMAIL, { delay: 50 })
if (!emailInput) {
// Try to find and click "Email" button if login options are presented
console.log('Looking for email login option...')
const emailButton = await page.evaluateHandle(() => {
const buttons = Array.from(document.querySelectorAll('button, a, div[role="button"]'))
return buttons.find(btn => {
const text = btn.textContent?.toLowerCase() || ''
return text.includes('email') || text.includes('continue with email') || text.includes('sign in with email')
})
})
// Find password field
const passwordInput = await page.waitForSelector('input[name="password"], input[type="password"], input[placeholder*="password" i]', { timeout: 5000 })
if (!passwordInput) {
throw new Error('Could not find password input field')
if (emailButton.asElement()) {
console.log('Found email login button, clicking...')
await emailButton.asElement()?.click()
await new Promise(res => setTimeout(res, 2000))
await this.debugScreenshot('login_04b_after_email_button', page)
// Now look for email input again
emailInput = await page.waitForSelector('input[name="username"], input[name="email"], input[type="email"]', { timeout: 10000 })
}
await passwordInput.click() // Click to focus
await passwordInput.type(TRADINGVIEW_PASSWORD, { delay: 50 })
// Find and click the sign in button
const signInButton = await page.waitForSelector('button[type="submit"]', { timeout: 5000 })
if (!signInButton) {
// Try to find button with sign in text
const buttons = await page.$$('button')
let foundButton = null
for (const btn of buttons) {
const text = await page.evaluate(el => el.innerText || el.textContent, btn)
if (text && (text.toLowerCase().includes('sign in') || text.toLowerCase().includes('login'))) {
foundButton = btn
break
}
}
if (!foundButton) {
throw new Error('Could not find sign in button')
}
await foundButton.click()
} else {
await signInButton.click()
}
} else {
}
if (!emailInput) {
throw new Error('Could not find email input field')
}
console.log('Found email input, filling credentials...')
await emailInput.click() // Click to focus
await emailInput.type(TRADINGVIEW_EMAIL, { delay: 50 })
// Find password field
const passwordInput = await page.waitForSelector('input[name="password"], input[type="password"]', { timeout: 5000 })
if (!passwordInput) {
throw new Error('Could not find password input field')
}
await passwordInput.click() // Click to focus
await passwordInput.type(TRADINGVIEW_PASSWORD, { delay: 50 })
await this.debugScreenshot('login_05_credentials_filled', page)
// Find and click the sign in button
let signInButton = await page.$('button[type="submit"]')
if (!signInButton) {
// Look for button with sign in text
signInButton = await page.evaluateHandle(() => {
const buttons = Array.from(document.querySelectorAll('button'))
return buttons.find(btn => {
const text = btn.textContent?.toLowerCase() || ''
return text.includes('sign in') || text.includes('login') || text.includes('submit')
})
}).then(handle => handle.asElement())
}
if (!signInButton) {
throw new Error('Could not find sign in button')
}
console.log('Clicking sign in button...')
await signInButton.click()
await this.debugScreenshot('login_06_after_signin_click', page)
} catch (e) {
// Fallback: try to find email button first
console.log('Fallback: looking for email button...')
@@ -191,11 +317,72 @@ export class TradingViewCapture {
try {
console.log('Waiting for login to complete...')
await page.waitForSelector('.tv-header__user-menu-button, .chart-container, [data-name="header-user-menu"]', { timeout: 30000 })
// Check if we're on the Supercharts selection page
const isSuperchartsPage = await page.evaluate(() => {
const text = document.body.textContent || ''
return text.includes('Supercharts') && text.includes('The one terminal to rule them all')
})
if (isSuperchartsPage) {
console.log('🎯 On Supercharts selection page, clicking Supercharts...')
// Look for Supercharts button/link
let superchartsClicked = false
// Try different approaches to find and click Supercharts
try {
// Approach 1: Look for direct link to chart
const chartLink = await page.$('a[href*="/chart"]')
if (chartLink) {
console.log('Found direct chart link, clicking...')
await chartLink.click()
superchartsClicked = true
}
} catch (e) {
console.log('Direct chart link not found, trying text-based search...')
}
if (!superchartsClicked) {
// Approach 2: Find by text content
const clicked = await page.evaluate(() => {
const elements = Array.from(document.querySelectorAll('a, button, div[role="button"]'))
for (const el of elements) {
if (el.textContent?.includes('Supercharts')) {
(el as HTMLElement).click()
return true
}
}
return false
})
superchartsClicked = clicked
}
if (superchartsClicked) {
console.log('✅ Clicked Supercharts, waiting for charts interface...')
// Wait for navigation to charts interface
await new Promise(res => setTimeout(res, 3000))
await page.waitForSelector('.chart-container, [data-name="chart"]', { timeout: 15000 })
console.log('✅ Successfully navigated to Supercharts interface')
} else {
console.log('⚠️ Supercharts button not found, trying direct navigation...')
// Fallback: navigate directly to charts
await page.goto('https://www.tradingview.com/chart/', { waitUntil: 'networkidle2', timeout: 30000 })
}
}
this.loggedIn = true
console.log('TradingView login complete')
await this.debugScreenshot('login_04_complete', page)
// Stop video recording
await this.stopVideoRecording()
} catch (e) {
console.error('Login navigation did not complete.')
this.loggedIn = false
// Stop video recording on error
await this.stopVideoRecording()
throw new Error('Login navigation did not complete.')
}
}
@@ -224,6 +411,9 @@ export class TradingViewCapture {
const page = await this.init()
// Start video recording for capture process
await this.startVideoRecording(`capture_${finalSymbol}_${finalTimeframe || 'default'}`)
// Capture screenshots for each layout
const screenshots: string[] = []
@@ -234,70 +424,102 @@ export class TradingViewCapture {
// Check if we have a direct URL for this layout
const layoutUrlPath = LAYOUT_URLS[layout]
if (layoutUrlPath) {
// Use direct layout URL
let url = `https://www.tradingview.com/chart/${layoutUrlPath}/?symbol=${finalSymbol}`
// Navigate to layout URL with hash parameters, then to base chart interface
let layoutUrl = `https://www.tradingview.com/chart/${layoutUrlPath}/#symbol=${finalSymbol}`
if (finalTimeframe) {
url += `&interval=${encodeURIComponent(finalTimeframe)}`
layoutUrl += `&interval=${encodeURIComponent(finalTimeframe)}`
}
try {
console.log('Navigating to layout URL:', url)
await page.goto(url, { waitUntil: 'networkidle2', timeout: 60000 })
console.log('🎯 Navigating to layout URL:', layoutUrl)
// Check if we landed on the login restriction page
const restrictionCheck = await page.evaluate(() => {
const text = document.body.textContent || ''
return text.includes("We can't open this chart layout for you") ||
text.includes("log in to see it") ||
text.includes("chart layout sharing")
})
// Navigate to the specific layout URL with hash parameters and stay there
await page.goto(layoutUrl, { waitUntil: 'networkidle2', timeout: 60000 })
await this.debugScreenshot(`layout_${layout}_01_after_navigation`, page)
if (restrictionCheck) {
console.log(`Layout "${layout}" requires login verification, checking login status...`)
// Check if we get a "Chart Not Found" or "can't open this chart layout" error
const pageContent = await page.content()
const currentUrl = page.url()
const pageTitle = await page.title()
const isPrivateLayout = pageContent.includes("can't open this chart layout") ||
pageContent.includes("Chart Not Found") ||
pageTitle.includes("Chart Not Found") ||
await page.$('.tv-dialog__error, .tv-dialog__warning') !== null
if (isPrivateLayout) {
console.log(`⚠️ Layout "${layout}" appears to be private or not found. This might be due to:`)
console.log(' 1. Layout is private and requires proper account access')
console.log(' 2. Layout ID is incorrect or outdated')
console.log(' 3. Account doesn\'t have access to this layout')
console.log(` Current URL: ${currentUrl}`)
console.log(` Page title: ${pageTitle}`)
await this.debugScreenshot(`layout_${layout}_01b_private_layout_detected`, page)
// Verify we're actually logged in by checking for user menu
const loggedInCheck = await page.waitForSelector('.tv-header__user-menu-button, [data-name="header-user-menu"]', { timeout: 5000 }).catch(() => null)
// Check if we're properly logged in with account that should have access
const loginStatus = await page.evaluate(() => {
const hasUserMenu = document.querySelector('.tv-header__user-menu-button, [data-name="header-user-menu"]') !== null
const hasGuestIndicators = document.body.textContent?.includes('Guest') ||
document.body.textContent?.includes('Sign up') ||
document.body.textContent?.includes('Get started for free')
return { hasUserMenu, hasGuestIndicators, bodyText: document.body.textContent?.substring(0, 200) }
})
if (!loggedInCheck) {
console.log('Not properly logged in, re-authenticating...')
// Reset login state and force re-authentication
if (loginStatus.hasGuestIndicators || !loginStatus.hasUserMenu) {
console.log('🔄 Detected we might not be properly logged in. Forcing re-login...')
this.loggedIn = false
await this.login()
// Try navigating to the layout URL again
console.log('Retrying navigation to layout URL after login:', url)
await page.goto(url, { waitUntil: 'networkidle2', timeout: 60000 })
// Try the layout URL again after proper login
console.log('🔄 Retrying layout URL after proper login...')
await page.goto(layoutUrl, { waitUntil: 'networkidle2', timeout: 60000 })
await this.debugScreenshot(`layout_${layout}_01d_retry_after_login`, page)
// Check again if we still get the restriction
const secondCheck = await page.evaluate(() => {
const text = document.body.textContent || ''
return text.includes("We can't open this chart layout for you") ||
text.includes("log in to see it") ||
text.includes("chart layout sharing")
})
// Check again if layout is accessible
const retryPageContent = await page.content()
const retryIsPrivate = retryPageContent.includes("can't open this chart layout") ||
retryPageContent.includes("Chart Not Found") ||
await page.title().then(t => t.includes("Chart Not Found"))
if (secondCheck) {
console.log(`Layout "${layout}" is private or not accessible, falling back to base chart`)
// Navigate to base chart instead
let baseUrl = `https://www.tradingview.com/chart/?symbol=${finalSymbol}`
if (finalTimeframe) {
baseUrl += `&interval=${encodeURIComponent(finalTimeframe)}`
}
await page.goto(baseUrl, { waitUntil: 'networkidle2', timeout: 60000 })
if (retryIsPrivate) {
console.log(`❌ Layout "${layout}" is still not accessible after proper login. Falling back to default chart.`)
} else {
console.log(`✅ Layout "${layout}" is now accessible after proper login!`)
// Continue with normal flow
return
}
} else {
console.log('User menu found but still getting restriction - layout may be private')
// Even though we're logged in, the layout is restricted, use base chart
console.log(`Layout "${layout}" is private or not accessible, falling back to base chart`)
let baseUrl = `https://www.tradingview.com/chart/?symbol=${finalSymbol}`
if (finalTimeframe) {
baseUrl += `&interval=${encodeURIComponent(finalTimeframe)}`
}
await page.goto(baseUrl, { waitUntil: 'networkidle2', timeout: 60000 })
}
// Navigate to default chart with the symbol and timeframe
const fallbackUrl = `https://www.tradingview.com/chart/?symbol=${finalSymbol}&interval=${encodeURIComponent(finalTimeframe || '5')}`
console.log('🔄 Falling back to default chart:', fallbackUrl)
await page.goto(fallbackUrl, { waitUntil: 'networkidle2', timeout: 60000 })
await this.debugScreenshot(`layout_${layout}_01c_fallback_navigation`, page)
}
console.log('Successfully navigated to layout:', layout)
// Wait for the layout to load properly
await new Promise(res => setTimeout(res, 5000))
await this.debugScreenshot(`layout_${layout}_02_after_wait`, page)
// Verify we're on the correct layout by checking if we can see chart content
const layoutLoaded = await page.evaluate(() => {
const hasChart = document.querySelector('.chart-container, [data-name="chart"], canvas') !== null
const title = document.title
const url = window.location.href
return { hasChart, title, url }
})
console.log('📊 Layout verification:', layoutLoaded)
await this.debugScreenshot(`layout_${layout}_03_after_verification`, page)
if (!layoutLoaded.hasChart) {
console.log('⚠️ Chart not detected, waiting longer for layout to load...')
await new Promise(res => setTimeout(res, 5000))
await this.debugScreenshot(`layout_${layout}_04_after_extra_wait`, page)
}
console.log(`✅ Successfully loaded layout "${layout}" and staying on it`)
await this.debugScreenshot(`layout_${layout}_05_final_success`, page)
} catch (e: any) {
console.error(`Failed to load layout "${layout}":`, e)
throw new Error(`Failed to load layout "${layout}": ` + (e.message || e))
@@ -335,6 +557,7 @@ export class TradingViewCapture {
const filePath = path.join(screenshotsDir, layoutFilename)
try {
await this.debugScreenshot(`final_screenshot_${layout}_before_capture`, page)
await page.screenshot({ path: filePath as `${string}.png`, type: 'png' })
console.log(`Screenshot saved for layout ${layout}:`, filePath)
screenshots.push(filePath)
@@ -347,6 +570,9 @@ export class TradingViewCapture {
}
}
// Stop video recording
await this.stopVideoRecording()
return screenshots
}
@@ -362,34 +588,189 @@ export class TradingViewCapture {
return
}
// Construct the full URL for the layout
const layoutUrl = `https://www.tradingview.com/chart/${layoutUrlPath}/`
console.log('Navigating to layout URL:', layoutUrl)
// Navigate directly to the layout URL
await page.goto(layoutUrl, { waitUntil: 'networkidle2', timeout: 60000 })
console.log('Successfully navigated to layout:', layout)
// Wait for the layout to fully load
await new Promise(res => setTimeout(res, 3000))
// Take a screenshot after layout loads for debugging
const debugAfterPath = path.resolve(`debug_after_layout_${layout.replace(/\s+/g, '_')}.png`) as `${string}.png`
await page.screenshot({ path: debugAfterPath })
console.log('After layout load screenshot saved:', debugAfterPath)
// This method is deprecated - the layout loading logic is now in captureScreenshots
console.log('Note: This method is deprecated. Layout loading handled in captureScreenshots.')
} catch (e: any) {
console.error(`Failed to load layout "${layout}":`, e)
// Take debug screenshot on error
const debugErrorPath = path.resolve(`debug_layout_error_${layout.replace(/\s+/g, '_')}.png`) as `${string}.png`
await page.screenshot({ path: debugErrorPath })
console.log('Layout error screenshot saved:', debugErrorPath)
// Don't throw error, just continue with default chart
console.log('Continuing with default chart layout...')
}
}
private async startVideoRecording(filename: string): Promise<void> {
if (!isRecordingSupported || !this.page) {
console.log('Video recording not available or page not initialized')
return
}
try {
const isRecordingEnabled = process.env.TRADINGVIEW_RECORD_VIDEO === 'true'
const isDebugMode = process.env.TRADINGVIEW_DEBUG === 'true'
if (!isRecordingEnabled && !isDebugMode) {
console.log('Video recording disabled (set TRADINGVIEW_RECORD_VIDEO=true to enable)')
return
}
const videosDir = path.join(process.cwd(), 'videos')
await fs.mkdir(videosDir, { recursive: true })
const timestamp = Date.now()
const videoFilename = `${filename.replace('.png', '')}_${timestamp}`
// Simple screenshot-based recording
this.recorder = {
isRecording: true,
filename: videoFilename,
videosDir,
screenshotCount: 0,
interval: null as NodeJS.Timeout | null
}
// Take screenshots every 2 seconds for a basic "video"
this.recorder.interval = setInterval(async () => {
if (this.recorder && this.recorder.isRecording && this.page) {
try {
const screenshotPath = path.join(this.recorder.videosDir, `${this.recorder.filename}_frame_${String(this.recorder.screenshotCount).padStart(4, '0')}.png`)
await this.page.screenshot({ path: screenshotPath as `${string}.png`, type: 'png' })
this.recorder.screenshotCount++
} catch (e) {
console.error('Failed to capture video frame:', e)
}
}
}, 2000)
console.log(`🎥 Video recording started (screenshot mode): ${videosDir}/${videoFilename}_frame_*.png`)
} catch (e) {
console.error('Failed to start video recording:', e)
this.recorder = null
}
}
private async stopVideoRecording(): Promise<string | null> {
if (!this.recorder) {
return null
}
try {
this.recorder.isRecording = false
if (this.recorder.interval) {
clearInterval(this.recorder.interval)
}
const videoPath = `${this.recorder.videosDir}/${this.recorder.filename}_frames`
console.log(`🎥 Video recording stopped: ${this.recorder.screenshotCount} frames saved to ${videoPath}_*.png`)
// Optionally create a simple HTML viewer for the frames
const htmlPath = path.join(this.recorder.videosDir, `${this.recorder.filename}_viewer.html`)
const framesList = Array.from({length: this.recorder.screenshotCount}, (_, i) =>
`${this.recorder!.filename}_frame_${String(i).padStart(4, '0')}.png`
)
const htmlContent = `
<!DOCTYPE html>
<html>
<head>
<title>Video Recording: ${this.recorder.filename}</title>
<style>
body { font-family: Arial, sans-serif; margin: 20px; }
.controls { margin: 20px 0; }
button { padding: 10px 20px; margin: 5px; }
#currentFrame { max-width: 100%; border: 1px solid #ccc; }
.info { margin: 10px 0; color: #666; }
</style>
</head>
<body>
<h1>Video Recording: ${this.recorder.filename}</h1>
<div class="controls">
<button onclick="play()">Play</button>
<button onclick="pause()">Pause</button>
<button onclick="prevFrame()">Previous</button>
<button onclick="nextFrame()">Next</button>
<span>Frame: <span id="frameNumber">1</span> / ${this.recorder.screenshotCount}</span>
</div>
<div class="info">
<p>Total frames: ${this.recorder.screenshotCount} | Captured every 2 seconds</p>
</div>
<img id="currentFrame" src="${framesList[0] || ''}" alt="Video frame">
<script>
const frames = ${JSON.stringify(framesList)};
let currentFrame = 0;
let playing = false;
let playInterval = null;
function updateFrame() {
document.getElementById('currentFrame').src = frames[currentFrame];
document.getElementById('frameNumber').textContent = currentFrame + 1;
}
function play() {
if (playing) return;
playing = true;
playInterval = setInterval(() => {
currentFrame = (currentFrame + 1) % frames.length;
updateFrame();
}, 500); // Play at 2fps
}
function pause() {
playing = false;
if (playInterval) clearInterval(playInterval);
}
function nextFrame() {
pause();
currentFrame = (currentFrame + 1) % frames.length;
updateFrame();
}
function prevFrame() {
pause();
currentFrame = currentFrame > 0 ? currentFrame - 1 : frames.length - 1;
updateFrame();
}
</script>
</body>
</html>`
await fs.writeFile(htmlPath, htmlContent, 'utf8')
console.log(`📄 Video viewer created: ${htmlPath}`)
this.recorder = null
return videoPath
} catch (e) {
console.error('Failed to stop video recording:', e)
this.recorder = null
return null
}
}
async cleanup() {
try {
// Stop any ongoing video recording
if (this.recorder) {
await this.stopVideoRecording()
}
// Close the page
if (this.page) {
await this.page.close()
this.page = null
}
// Close the browser
if (this.browser) {
await this.browser.close()
this.browser = null
}
this.loggedIn = false
console.log('TradingViewCapture cleaned up successfully')
} catch (e) {
console.error('Error during cleanup:', e)
}
}
}
export const tradingViewCapture = new TradingViewCapture()