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#include <twitter.h>
#include <yaml-cpp/yaml.h>
#include <mutex>
#include <thread>
#include <ctime>
#include <chrono>
#include <iostream>
#include <algorithm>
int main(int argc, char** argv)
{
YAML::Node config = YAML::LoadFile("config.yml");
twitter::auth auth;
auth.setConsumerKey(config["consumer_key"].as<std::string>());
auth.setConsumerSecret(config["consumer_secret"].as<std::string>());
auth.setAccessKey(config["access_key"].as<std::string>());
auth.setAccessSecret(config["access_secret"].as<std::string>());
std::vector<std::string> captions {
"It begins.",
"Yikes.",
"Frightening.",
"This is how it starts..."
};
std::vector<twitter::tweet> potential;
std::set<twitter::tweet_id> deletions;
std::mutex potential_mutex;
twitter::client client(auth);
std::set<twitter::user_id> streamed_friends;
std::cout << "Starting streaming" << std::endl;
twitter::stream user_stream(client, [&] (twitter::notification n) {
if (n.getType() == twitter::notification::type::friends)
{
streamed_friends = n.getFriends();
} else if (n.getType() == twitter::notification::type::follow)
{
streamed_friends.insert(n.getUser().getID());
} else if (n.getType() == twitter::notification::type::unfollow)
{
streamed_friends.erase(n.getUser().getID());
} else if (n.getType() == twitter::notification::type::tweet)
{
if (
(streamed_friends.count(n.getTweet().getAuthor().getID()) == 1) // Only monitor people you are following
&& (!n.getTweet().isRetweet()) // Ignore retweets
&& (n.getTweet().getText().front() != '@') // Ignore messages
)
{
std::lock_guard<std::mutex> potential_guard(potential_mutex);
std::cout << n.getTweet().getID() << ": " << n.getTweet().getText() << std::endl;
potential.push_back(std::move(n.getTweet()));
}
} else if (n.getType() == twitter::notification::type::followed)
{
try
{
client.follow(n.getUser());
} catch (const twitter::twitter_error& error)
{
std::cout << "Twitter error while following @" << n.getUser().getScreenName() << ": " << error.what() << std::endl;
}
} else if (n.getType() == twitter::notification::type::deletion)
{
std::lock_guard<std::mutex> potential_guard(potential_mutex);
std::cout << "Tweet " << n.getTweetID() << " was deleted." << std::endl;
deletions.insert(n.getTweetID());
}
});
std::this_thread::sleep_for(std::chrono::minutes(1));
for (;;)
{
// Wait until 9am
auto midtime = time(NULL);
auto midtm = localtime(&midtime);
midtm->tm_hour = 0;
midtm->tm_min = 0;
midtm->tm_sec = 0;
auto to_until = std::chrono::system_clock::from_time_t(std::mktime(midtm));
auto to_wait = std::chrono::duration_cast<std::chrono::seconds>((to_until + std::chrono::hours(24 + 9)) - std::chrono::system_clock::now());
int waitlen = to_wait.count();
if (waitlen == 0)
{
continue;
} else 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_for(to_wait);
// Unfollow people who have unfollowed us
try
{
std::set<twitter::user_id> friends = client.getFriends();
std::set<twitter::user_id> followers = client.getFollowers();
std::list<twitter::user_id> old_friends;
std::list<twitter::user_id> new_followers;
std::set_difference(std::begin(friends), std::end(friends), std::begin(followers), std::end(followers), std::back_inserter(old_friends));
std::set_difference(std::begin(followers), std::end(followers), std::begin(friends), std::end(friends), std::back_inserter(new_followers));
std::set<twitter::user_id> old_friends_set;
for (auto f : old_friends)
{
old_friends_set.insert(f);
try
{
client.unfollow(f);
} catch (const twitter::twitter_error& error)
{
std::cout << "Twitter error while unfollowing: " << error.what() << std::endl;
}
}
for (auto f : new_followers)
{
try
{
client.follow(f);
} catch (const twitter::twitter_error& error)
{
std::cout << "Twitter error while following: " << error.what() << std::endl;
}
}
std::lock_guard<std::mutex> potential_guard(potential_mutex);
std::vector<twitter::tweet> to_keep;
for (auto& pt : potential)
{
if (
(old_friends_set.count(pt.getAuthor().getID()) == 0) && // The author has not unfollowed
(deletions.count(pt.getID()) == 0)) // The tweet was not deleted
{
to_keep.push_back(std::move(pt));
}
}
potential = std::move(to_keep);
deletions.clear();
} catch (const twitter::twitter_error& error)
{
std::cout << "Twitter error while getting friends/followers: " << error.what() << std::endl;
}
// Tweet!
if (!potential.empty())
{
auto to_quote = std::move(potential[rand() % potential.size()]);
potential.clear();
std::string caption = captions[rand() % captions.size()];
std::string doc = caption + " " + to_quote.getURL();
try
{
client.updateStatus(doc);
std::cout << "Tweeted!" << std::endl;
} catch (const twitter::twitter_error& error)
{
std::cout << "Error tweeting: " << error.what() << std::endl;
}
}
}
}
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