Download instagram photos with >= N likes (run from an instagram user's profile page)

download_popular_insta_photos.js

var MAX_PHOTOS = 40;
var MIN_NUM_LIKES = 40;

var currIndex = 1;

var numDownloaded = 0;

var previewOpened = function (imgIndex) {
    return !!($('._tf9x3').text() && $('img._icyx7').get(imgIndex-1))
}

var maybeDownloadImageAtIndex = function (index, cb) {
    console.log('checking image', index);
    var $img = $('img').get(index);
    $img.click();

    while (!previewOpened(index)) {
        // wait til preview open
        console.log('waiting for preview to open. index', index)

        setTimeout(function () {
            maybeDownloadImageAtIndex(index, cb);
        }, 10);
        return
    }

    var numLikes = Number($('._tf9x3').text().split(' ')[0]);
    console.log('numLikes', numLikes);

    var caption = $('li._nk46a h1').text();

    // console.log('caption', caption)

    if (numLikes >= MIN_NUM_LIKES && caption.indexOf('#eeeeeats') !== -1) {
        console.log('downloading', caption)
        // create a download link for the image and click to invoke download.
        var imgUrl = $('img._icyx7').get(index-1).src
        // console.log('imgUrl', imgUrl)

        var a = document.createElement('a');
        a.href = imgUrl;
        a.setAttribute('download', 'foo.jpg');
        a.filename = 'foo.jpg'
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
        numDownloaded++;
        console.log('downloaded', numDownloaded, 'images');
    }

    // close the preview
    $('button._3eajp').click();
    cb()
};

var scrollBottom = function () {
    var scrollTo = $(document).height();
    console.log('scrolling to', scrollTo)
    $(document).scrollTop(scrollTo);
    // scroll up and back down to bottom to re-trigger a fetch
    // since sometimes instagram's scroll handler won't get triggered
    $(document).scrollTop(scrollTo-1000);
    $(document).scrollTop(scrollTo);
}

var awaitScrolled = function (cb) {
    scrollBottom();
    var loadMoreLink = $('a._oidfu').get(0);
    if (loadMoreLink) {
        console.log('clicking "Load more"')
        loadMoreLink.click()
    }
    setTimeout(function () {
        scrollBottom()
        setTimeout(function () {
            cb()
        }, 100)
    }, 100)
}

var recursiveGetImage = function () {
    awaitScrolled(function () {
        if (!($('img').get(currIndex))) {
            console.log('No more images to download! Stopped at index', currIndex);
            return;
        }

        checkAndMaybeDownloadImage();
    });

    var checkAndMaybeDownloadImage = function () {
        maybeDownloadImageAtIndex(currIndex, function () {
            currIndex++;

            setTimeout(function () {
                if (numDownloaded < MAX_PHOTOS) {
                    setTimeout(function () {
                        recursiveGetImage();
                    }, 200);
                } else {
                    console.log('Done downloading! Downloaded', numDownloaded, 'images.')
                }
            }, 100);
        });
    }
}

var script = document.createElement('script');
script.src = 'https://code.jquery.com/jquery-3.1.1.js';
script.type = 'text/javascript';
document.getElementsByTagName('head')[0].appendChild(script);

script.onload = function () {
    recursiveGetImage()
}