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#include <cstdio>
#include <list>
#include <map>
#include "kgramstats.h"
#include <fstream>
#include <iostream>
#include <twitter.h>
#include <yaml-cpp/yaml.h>
#include <thread>
#include <chrono>
#include <algorithm>
#include <random>
const auto QUEUE_TIMEOUT = std::chrono::minutes(1);
const auto POLL_TIMEOUT = std::chrono::minutes(5);
int main(int argc, char** args)
{
std::random_device randomDevice;
std::mt19937 rng(randomDevice());
YAML::Node config = YAML::LoadFile("config.yml");
int delay = config["delay"].as<int>();
twitter::auth auth(
config["consumer_key"].as<std::string>(),
config["consumer_secret"].as<std::string>(),
config["access_key"].as<std::string>(),
config["access_secret"].as<std::string>());
twitter::client client(auth);
std::ifstream infile(config["corpus"].as<std::string>().c_str());
std::string corpus;
std::string line;
while (getline(infile, line))
{
if (line.back() == '\r')
{
line.pop_back();
}
corpus += line + "\n";
}
// Replace old-style freevars while I can't be bothered to remake the corpus yet
std::vector<std::string> fv_names;
std::ifstream namefile("names.txt");
if (namefile.is_open())
{
while (!namefile.eof())
{
std::string l;
getline(namefile, l);
if (l.back() == '\r')
{
l.pop_back();
}
fv_names.push_back(l);
}
}
namefile.close();
std::cout << "Preprocessing corpus..." << std::endl;
rawr kgramstats;
kgramstats.addCorpus(corpus);
kgramstats.compile(5);
kgramstats.setTransformCallback([&] (std::string, std::string form) {
size_t pos = form.find("$name$");
if (pos != std::string::npos)
{
int fvInd = std::uniform_int_distribution<int>(0, fv_names.size()-1)(rng);
form.replace(pos, 6, fv_names[fvInd]);
}
return form;
});
std::list<std::tuple<std::string, bool, twitter::tweet_id>> postQueue;
auto startedTime = std::chrono::system_clock::now();
auto queueTimer = std::chrono::system_clock::now();
auto pollTimer = std::chrono::system_clock::now();
auto genTimer = std::chrono::system_clock::now();
for (;;)
{
auto currentTime = std::chrono::system_clock::now();
if (currentTime >= genTimer)
{
std::string doc = kgramstats.randomSentence(140, rng);
doc.resize(140);
postQueue.emplace_back(std::move(doc), false, 0);
int genwait = std::uniform_int_distribution<int>(1, delay)(rng);
genTimer = currentTime + std::chrono::seconds(genwait);
}
if (currentTime >= pollTimer)
{
pollTimer = currentTime;
try
{
std::list<twitter::tweet> newTweets =
client.getMentionsTimeline().poll();
for (const twitter::tweet& tweet : newTweets)
{
auto createdTime =
std::chrono::system_clock::from_time_t(tweet.getCreatedAt());
if (
// Ignore tweets from before the bot started up
createdTime > startedTime
// Ignore retweets
&& !tweet.isRetweet()
// Ignore tweets from yourself
&& tweet.getAuthor() != client.getUser())
{
std::string doc = tweet.generateReplyPrefill(client.getUser());
doc += kgramstats.randomSentence(140 - doc.length(), rng);
doc.resize(140);
postQueue.emplace_back(std::move(doc), true, tweet.getID());
}
}
} catch (const twitter::rate_limit_exceeded&)
{
// Wait out the rate limit (10 minutes here and 5 below = 15).
pollTimer += std::chrono::minutes(10);
} catch (const twitter::twitter_error& e)
{
std::cout << "Twitter error while polling: " << e.what() << std::endl;
}
pollTimer += std::chrono::minutes(POLL_TIMEOUT);
}
if ((currentTime >= queueTimer) && (!postQueue.empty()))
{
auto post = postQueue.front();
postQueue.pop_front();
try
{
if (std::get<1>(post))
{
client.replyToTweet(std::get<0>(post), std::get<2>(post));
} else {
client.updateStatus(std::get<0>(post));
}
} catch (const twitter::twitter_error& error)
{
std::cout << "Twitter error while tweeting: " << error.what()
<< std::endl;
}
queueTimer = currentTime + std::chrono::minutes(QUEUE_TIMEOUT);
}
auto soonestTimer = genTimer;
if (pollTimer < soonestTimer)
{
soonestTimer = pollTimer;
}
if ((queueTimer < soonestTimer) && (!postQueue.empty()))
{
soonestTimer = queueTimer;
}
int waitlen =
std::chrono::duration_cast<std::chrono::seconds>(
soonestTimer - currentTime).count();
if (waitlen == 1)
{
std::cout << "Sleeping for 1 second..." << std::endl;
} else if (waitlen < 60)
{
std::cout << "Sleeping for " << waitlen << " seconds..." << std::endl;
} else if (waitlen == 60)
{
std::cout << "Sleeping for 1 minute..." << std::endl;
} else if (waitlen < 60*60)
{
std::cout << "Sleeping for " << (waitlen/60) << " minutes..."
<< std::endl;
} else if (waitlen == 60*60)
{
std::cout << "Sleeping for 1 hour..." << std::endl;
} else if (waitlen < 60*60*24)
{
std::cout << "Sleeping for " << (waitlen/60/60) << " hours..."
<< std::endl;
} else if (waitlen == 60*60*24)
{
std::cout << "Sleeping for 1 day..." << std::endl;
} else {
std::cout << "Sleeping for " << (waitlen/60/60/24) << " days..."
<< std::endl;
}
std::this_thread::sleep_until(soonestTimer);
}
return 0;
}
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