refresh-and-beep.js

let audioContext

async function initializeAudioContext() {
    const constraints = { audio: true }
    try {
        const stream = await navigator.mediaDevices.getUserMedia(constraints)
        audioContext = new (window.AudioContext || window.webkitAudioContext)()
        stream.getTracks().forEach(track => track.stop())
        console.log("AudioContext initialized.")
    } catch (error) {
        console.error("Error initializing AudioContext:", error)
    }
}

async function checkForNewIDs() {
    console.log("Running checkForNewIDs...")

    const idsOnPage = [...document.querySelectorAll(".result-list__listing")].map(e => e.getAttribute("data-id"))

    const storedIDs = JSON.parse(localStorage.getItem("storedIDs")) || []

    const newIDs = idsOnPage.filter(id => !storedIDs.includes(id))

    if (newIDs.length > 0) {
        console.log("New IDs found. Playing a beep sound...")
        await playBeep(200)
        storedIDs.push(...newIDs)
        localStorage.setItem("storedIDs", JSON.stringify(storedIDs))
    } else {
        console.log("No new IDs found.")
    }
}

async function playBeep(duration) {
    if (!audioContext || audioContext.state !== "running") {
        console.log("AudioContext is not running or not created. Cannot play beep sound.")
        return
    }
    console.log("Playing beep sound...")
    return new Promise((resolve, reject) => {
        const oscillator = audioContext.createOscillator()
        oscillator.connect(audioContext.destination)

        oscillator.start()

        setTimeout(() => {
            console.log("Beep sound stopped.")
            oscillator.stop()
            resolve()
        }, duration)
    })
}

async function refreshPageRandomly(minDelaySeconds, maxDelaySeconds) {
    const minDelay = minDelaySeconds * 1000
    const maxDelay = maxDelaySeconds * 1000

    const refreshDelay = Math.floor(Math.random() * (maxDelay - minDelay + 1)) + minDelay
    const nextFireTime = new Date(Date.now() + refreshDelay).toLocaleTimeString()

    console.log("Refreshing the page randomly...")
    console.log(`Next refresh will occur at: ${nextFireTime}`)

    await new Promise(resolve => setTimeout(resolve, refreshDelay))
    console.log("Reloading the page...")
    location.reload()
}

async function main() {
    await new Promise(resolve => setTimeout(resolve, 5000))
    await initializeAudioContext()

    if (document.title.startsWith("Wohnung mieten")) {
        console.log("Checking IDs after the page is loaded...")
        await checkForNewIDs()
        await refreshPageRandomly(60, 180)
    } else if (document.title === "Ich bin kein Roboter - ImmobilienScout24") {
        console.log("Captcha page displayed. Playing a long beep sound...")
        await playBeep(600)
    }
}

main()