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#include "fanmail.h"
#include <yaml-cpp/yaml.h>
#include <thread>
#include <chrono>
#include <fstream>
#include <iostream>
fanmail::fanmail(
std::string configFile,
std::mt19937& rng) :
rng_(rng)
{
// Load the config file.
YAML::Node config = YAML::LoadFile(configFile);
// Set up the Twitter client.
auth_ =
std::unique_ptr<twitter::auth>(
new twitter::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>()));
client_ =
std::unique_ptr<twitter::client>(
new twitter::client(*auth_));
// Set up the layout designer.
layout_ = std::unique_ptr<designer>(
new designer(config["images"].as<std::string>()));
// Set up librawr.
std::ifstream infile(config["corpus"].as<std::string>());
std::string corpus;
std::string line;
while (getline(infile, line))
{
if (line.back() == '\r')
{
line.pop_back();
}
corpus += line + "\n";
}
kgramstats_.addCorpus(corpus);
kgramstats_.compile(3);
}
void fanmail::run() const
{
for (;;)
{
std::cout << "Generating tweet..." << std::endl;
try
{
// Design the comic strip.
Magick::Image image = layout_->generate(rng_);
// Write the tweet.
std::string doc = kgramstats_.randomSentence(15);
doc.resize(40);
std::cout << doc << std::endl;
// Send the tweet.
std::cout << "Sending tweet..." << std::endl;
sendTweet(std::move(image), std::move(doc));
std::cout << "Tweeted!" << std::endl;
// Wait.
std::binomial_distribution<int> waitDist(35, 0.5);
int waitTime = waitDist(rng_) + 1;
std::cout << "Waiting for " << waitTime << " hours..." << std::endl;
std::this_thread::sleep_for(std::chrono::hours(waitTime));
} catch (const Magick::ErrorImage& ex)
{
std::cout << "Image error: " << ex.what() << std::endl;
} catch (const twitter::twitter_error& ex)
{
std::cout << "Twitter error: " << ex.what() << std::endl;
std::this_thread::sleep_for(std::chrono::hours(1));
}
std::cout << std::endl;
}
}
void fanmail::sendTweet(Magick::Image image, std::string doc) const
{
Magick::Blob outputimg;
image.magick("png");
image.write(&outputimg);
long media_id = client_->uploadMedia("image/png",
static_cast<const char*>(outputimg.data()), outputimg.length());
client_->updateStatus(std::move(doc), {media_id});
}
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