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#include "database.h"
#include <include/uuid.h>
#include <stdexcept>
std::string database::create(std::mt19937& rng) {
std::lock_guard state_guard(mutex_);
std::string token = uuids::to_string(uuids::uuid_random_generator{rng}());
requests_[token] = request{};
return token;
}
void database::subscribe(const std::string& token,
subscribe_callback_type callback) {
std::lock_guard state_guard(mutex_);
if (!requests_.count(token)) {
throw std::invalid_argument("Could not find request.");
}
request& req = requests_[token];
size_t nextId = req.subscribers.size();
req.subscribers.push_back(callback);
}
void database::post(const std::string& token, const std::string& msg) {
std::lock_guard state_guard(mutex_);
if (!requests_.count(token)) {
throw std::invalid_argument("Could not find request.");
}
request& req = requests_.at(token);
for (std::optional<subscribe_callback_type>& callback : req.subscribers) {
if (callback) {
try {
(*callback)(msg);
} catch (const std::exception& ex) {
callback = std::nullopt;
}
}
}
}
void database::setResult(const std::string& token, const std::string& result) {
std::lock_guard state_guard(mutex_);
if (!requests_.count(token)) {
throw std::invalid_argument("Could not find request.");
}
request& req = requests_[token];
req.result = result;
}
const std::string& database::getResult(const std::string& token) {
std::lock_guard state_guard(mutex_);
if (!requests_.count(token)) {
throw std::invalid_argument("Could not find request.");
}
const request& req = requests_.at(token);
return req.result;
}
void database::mark_done(const std::string& token) {
std::lock_guard state_guard(mutex_);
if (!requests_.count(token)) {
throw std::invalid_argument("Could not find request.");
}
request& req = requests_[token];
req.done = true;
}
bool database::is_done(const std::string& token) {
std::lock_guard state_guard(mutex_);
if (!requests_.count(token)) {
throw std::invalid_argument("Could not find request.");
}
const request& req = requests_.at(token);
return req.done;
}
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