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#include <yaml-cpp/yaml.h>
#include <twitter.h>
#include <fstream>
#include <thread>
#include <chrono>
#include <iostream>
#include <algorithm>
int main(int argc, char** argv)
{
if (argc != 2)
{
std::cout << "usage: snitch [configfile]" << std::endl;
return -1;
}
std::string configfile(argv[1]);
YAML::Node config = YAML::LoadFile(configfile);
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::ifstream img_file(config["image"].as<std::string>());
img_file.seekg(0, std::ios::end);
size_t img_len = img_file.tellg();
char* img_buf = new char[img_len];
img_file.seekg(0, std::ios::beg);
img_file.read(img_buf, img_len);
img_file.close();
std::vector<std::string> triggers {
"calling the cops",
"calling the police",
"call the cops",
"call the police"
};
// Initialize the client
twitter::client client(auth);
std::this_thread::sleep_for(std::chrono::minutes(1));
// Start streaming
std::cout << "Starting streaming" << std::endl;
std::set<twitter::user_id> streamed_friends;
twitter::stream userStream(client, [&] (const 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)
{
// Only monitor people you are following
if (streamed_friends.count(n.getTweet().getAuthor().getID()) == 1)
{
std::string orig = n.getTweet().getText();
std::string canonical;
std::transform(std::begin(orig), std::end(orig), std::back_inserter(canonical), [] (char ch) {
return std::tolower(ch);
});
for (auto trigger : triggers)
{
if (canonical.find(trigger) != std::string::npos)
{
std::cout << "Calling the cops on @" << n.getTweet().getAuthor().getScreenName() << std::endl;
try
{
long media_id = client.uploadMedia("image/jpeg", (const char*) img_buf, img_len);
client.replyToTweet(n.getTweet().generateReplyPrefill(client.getUser()), n.getTweet().getID(), {media_id});
} catch (const twitter::twitter_error& e)
{
std::cout << "Twitter error: " << e.what() << std::endl;
}
break;
}
}
}
} else if (n.getType() == twitter::notification::type::followed)
{
try
{
client.follow(n.getUser());
} catch (const twitter::twitter_error& e)
{
std::cout << "Twitter error while following @" << n.getUser().getScreenName() << ": " << e.what() << std::endl;
}
}
}, true, true);
for (;;)
{
std::this_thread::sleep_for(std::chrono::minutes(1));
try
{
std::set<twitter::user_id> friends = client.getFriends();
std::set<twitter::user_id> followers = client.getFollowers();
std::list<twitter::user_id> old_friends, 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));
for (auto f : old_friends)
{
client.unfollow(f);
}
for (auto f : new_followers)
{
client.follow(f);
}
} catch (const twitter::twitter_error& e)
{
std::cout << "Twitter error: " << e.what() << std::endl;
}
std::this_thread::sleep_for(std::chrono::hours(4));
}
}
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