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var utils = require('utils'), | |
fs = require('fs'), tweet_account_name, | |
nbLinks, outputfilename, | |
header = "Tweet,Timestamp", | |
stream, css, count = 0, images, | |
casper = require('casper').create({ | |
viewportSize: { | |
width: 480, | |
height: 360 | |
}, | |
pageSettings: { | |
loadImages: false, | |
loadPlugins: false, | |
userAgent: 'BlackBerry9700/5.0.0.351 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/123' | |
} | |
}); | |
if (!casper.cli.has("account_name") || !casper.cli.has("css") || !casper.cli.has("images")) { | |
casper.echo("Ex: casperjs.exe scrape_tweets.js --css=1 --images=0 --account_name=nigeriaitskills"); | |
casper.exit(1); | |
} | |
tweet_account_name = casper.cli.get("account_name"); | |
css = Number(casper.cli.get("css")); | |
images = Number(casper.cli.get("images")); | |
casper.options.onResourceRequested = function (casperjs, requestData, networkRequest) { | |
if (css) { | |
var did_css = requestData.url.indexOf(".css") > -1, | |
vague_css = (/http[s]:\/\/.+?.css/gi).test(requestData.url); | |
if (vague_css || did_css) networkRequest.abort(); | |
} | |
if (images) { | |
var dig = requestData.url.indexOf(".png") > -1 || requestData.url.indexOf(".gif") > -1, | |
did_pix = dig || requestData.url.indexOf(".jpg") > -1, | |
vague_pix = (/([^s]+(?=.(jpg|gif|png)).2)/gi).test(requestData.url); | |
if (vague_pix || did_pix || requestData.url.indexOf(".jpeg") > -1) networkRequest.abort(); | |
} | |
}; | |
casper.on('error', function (msg, backtrace) { | |
this.echo(JSON.stringify({msg: msg, backtrace: backtrace}, null, 2)); | |
this.die('internal errors.'); | |
}); | |
function RecursiveTriverse(thecasper, newurl, stream) { | |
newurl = 'https://mobile.twitter.com' + newurl; | |
thecasper.thenOpen(newurl, function () { | |
this.wait(3000); | |
count += 1; | |
var query = this.evaluate(function () { | |
var data = [], checks = 'div.tweet-text div.dir-ltr a.twitter_external_link.dir-ltr.tco-link'; | |
[].forEach.call(document.querySelectorAll('table.tweet tbody'), function (item) { | |
var tweeted = item.querySelector('div.tweet-text').textContent.replace(/"/g, "'"); | |
var time_stamp = item.querySelector('tr.tweet-header td.timestamp').textContent.trim(); | |
var replace_links = item.querySelectorAll(checks); | |
tweeted = tweeted.replace(/\n/g, " ").trim(); | |
//TODO: fix this 'if' part, it's not working | |
if (replace_links.length) { | |
for (var i = 0; i < replace_links.length; i++) { | |
tweeted.replace(replace_links[i].textContent.trim(), replace_links[i].href); | |
} | |
} //TODO: end of 'if' part that's not working | |
data.push('"' + tweeted + '",' + time_stamp); | |
}); | |
return data; | |
}); | |
stream.writeLine(query.join('\n')); | |
this.echo(count + ': ' + newurl + ' size: ' + query.length); | |
if (this.exists("div.w-button-more")) { | |
nbLinks = this.evaluate(function () { | |
return document.querySelector("div.w-button-more a").getAttribute('href'); | |
}); | |
RecursiveTriverse(this, nbLinks, stream); | |
} | |
}); | |
} | |
casper.start('https://mobile.twitter.com/' + tweet_account_name, function () { | |
if (this.exists("td.timestamp a")) { | |
outputfilename = tweet_account_name + ".csv"; | |
if (fs.exists(outputfilename)) fs.remove(outputfilename); | |
stream = fs.open(outputfilename, "w"); | |
stream.writeLine(header); | |
this.then(function () { | |
RecursiveTriverse(this, '/' + tweet_account_name, stream); | |
}); | |
} else { | |
casper.die("Sorry, that page doesn't exist!"); | |
} | |
}); | |
casper.then(function () { | |
stream.close(); | |
stream.flush(); | |
this.echo('Done'); | |
}); | |
casper.run(); |
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