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/*
* =====================================================================================
*
* Filename: spotify.cpp
*
* Description: Implementation of the spotify API
*
* Version: 1.0
* Created: 04/01/2023 09:55:09 PM
* Revision: none
* Compiler: gcc
*
* Author: Cara Salter (muirrum), cara@devcara.com
* Organization: Worcester Polytechnic Institute
*
* =====================================================================================
*/
#include <pcre.h>
#include <regex>
#include <stdlib.h>
#include "cpr/cpr.h"
#include <142bot/modules.hpp>
#include <142bot/util.hpp>
#include <142bot/db.hpp>
#include <fmt/format.h>
#include <chrono>
using json = nlohmann::json;
class SpotifyModule: public Module {
std::string spotifyRegex;
std::string defaultSpotifyAccount;
std::string spotifyBaseUrl;
public:
SpotifyModule(Bot* creator, ModuleLoader* ml) : Module(creator, ml) {
ml->attach({I_OnMessage, I_OnCommand}, this);
this->spotifyRegex = "^https:\/\/open.spotify.com\/track\/([a-zA-Z0-9]+)(.*)$";
this->defaultSpotifyAccount = "1";
this->spotifyBaseUrl = "https://api.spotify.com/v1";
}
virtual std::string version() {
return "0.1.0";
}
virtual std::string description() {
return "Manage spotify queues for 142";
}
void refreshSpotify(std::string refreshToken) {
bot->core->log(dpp::ll_debug, "Attempting to refresh spotify token...");
cpr::Response r = cpr::Post(cpr::Url("https://accounts.spotify.com/api/token"),
cpr::Authentication{bot->cfg["spotify"]["id"], bot->cfg["spotify"]["secret"], cpr::AuthMode::BASIC}, cpr::Payload{{"grant_type", "refresh_token"}, {"refresh_token", refreshToken}});
bot->core->log(dpp::ll_trace, "Made request");
if (r.status_code != 200) {
bot->core->log(dpp::ll_error, r.text);
throw std::exception();
}
bot->core->log(dpp::ll_trace, "Request successful");
auto tmp = json::parse(r.text);
bot->core->log(dpp::ll_trace, "Parsed JSON");
uint64_t expires = tmp["expires_in"].get<uint64_t>();
pqxx::work tx(bot->conn);
asdf::timestamp parsed_expires = asdf::from_unix_time(time(0) + expires);
bot->core->log(dpp::ll_trace, fmt::format("Got expires_in: {}", asdf::to_iso8601_str(parsed_expires)));
std::string access = tmp["access_token"].get<std::string>();
bot->core->log(dpp::ll_trace, fmt::format("Got access token"));
tx.exec_params("UPDATE spotify SET spotify_token=$1, spotify_token_expires=$2 WHERE id=$3", access, parsed_expires, this->defaultSpotifyAccount);
bot->core->log(dpp::ll_trace, "Updated DB");
tx.commit();
bot->core->log(dpp::ll_debug, "Done refreshing spotify token");
}
// Obtains the (refreshed) token for the default spotify account
std::string get_spotify_token() {
bot->core->log(dpp::ll_debug, "Attempting to retrieve spotify token.");
std::string token;
pqxx::work tx(bot->conn);
try {
bot->core->log(dpp::ll_debug, fmt::format("Default spotify account: {}", this->defaultSpotifyAccount));
auto res = tx.exec_params1("SELECT spotify_username,spotify_token,spotify_token_expires,spotify_refresh_token FROM spotify WHERE id=$1", atoi(this->defaultSpotifyAccount.c_str()));
tx.commit();
bot->core->log(dpp::ll_trace, "Retrieved from DB.");
auto ts = res[2].as<asdf::timestamp>();
if (ts < std::chrono::system_clock::now()) {
refreshSpotify(res[3].as<std::string>());
pqxx::work tx(bot->conn);
res = tx.exec_params1("SELECT spotify_username, spotify_token FROM spotify WHERE id=$1", atoi(this->defaultSpotifyAccount.c_str()));
tx.commit();
bot->core->log(dpp::ll_trace, "Retrieved from database *again*");
}
token = res[1].as<std::string>();
tx.commit();
} catch (std::exception &e) {
std::string error_msg = "Error getting spotify token: " + *e.what();
bot->core->log(dpp::ll_error, e.what());
sentry_value_t event = sentry_value_new_event();
sentry_value_t exc = sentry_value_new_exception("Exception", "Spotify SQL error");
sentry_value_set_stacktrace(exc, NULL, 5);
sentry_event_add_exception(event, exc);
sentry_capture_event(event);
tx.abort();
return nullptr;
}
bot->core->log(dpp::ll_debug, "Done retrieving spotify token.");
return token;
}
/**
* Performs a GET request to the Spotify API
*/
json spotify_get(const std::string route) {
bot->core->log(dpp::ll_debug, fmt::format("Making GET request to {}", route));
std::string token = get_spotify_token();
bot->core->log(dpp::ll_trace, "Obtained token.");
cpr::Response r = cpr::Get(cpr::Url{fmt::format("{}/{}", this->spotifyBaseUrl, route).c_str()},
cpr::Bearer{token});
bot->core->log(dpp::ll_trace, fmt::format("Made request. Code: {}", r.status_code));
if (r.status_code != 200) {
bot->core->log(dpp::ll_error, fmt::format("Spotify API Error: {}", r.text));
throw std::exception();
}
return json::parse(r.text);
}
virtual bool OnMessage(const dpp::message_create_t &message, const std::string& clean_message, bool mentioned, const std::vector<std::string> & mentions) {
sentry_set_tag("module", "spotify");
bot->core->log(dpp::ll_debug, "Got message event");
std::regex re("^https:\/\/open.spotify.com\/track\/([a-zA-Z0-9]+)(.*)$");
std::smatch match;
if (std::regex_search(clean_message, match, re) == true) {
try {
json res = spotify_get("tracks/" + match.str(1));
dpp::embed embed = dpp::embed()
.set_title(res["name"])
.set_author(res["artists"][0]["name"], "", "")
.set_image(res["album"]["images"][0]["url"]);
bot->core->message_create(dpp::message(message.msg.channel_id, embed).set_reference(message.msg.id));
return true;
} catch (std::exception &e) {
EmbedError(message.msg.channel_id, e);
return false;
}
}
return true;
}
bool OnCommand(const dpp::message_create_t &message, const std::string &command, const std::vector<std::string>& params) {
if (command == "spotify") {
// We can process subcommands!
if (params.size() <= 1) {
return true; // we don't have enough to process
}
std::string subcommand = lowercase(params[1]);
if (subcommand == "accounts") {
pqxx::work tx(bot->conn);
auto res = tx.exec("SELECT id, spotify_username FROM spotify");
tx.commit();
dpp::embed embed = dpp::embed().
set_color(dpp::colors::green)
.set_title("Spotify Accounts")
.set_description("List of Spotify accounts. Username is field ID and ID is field content.\n\nCurrent default account ID: " + this->defaultSpotifyAccount);
for (int i = 0; i < res.size(); i++) {
embed.add_field(res[i][1].c_str(), res[i][0].c_str(), true);
}
bot->core->message_create(dpp::message(message.msg.channel_id, embed).set_reference(message.msg.id));
return true;
} else if (subcommand == "default") {
pqxx::work tx(bot->conn);
try {
auto res = tx.exec_params1("SELECT id FROM spotify WHERE id=$1", params[2]);
this->defaultSpotifyAccount = params[2];
tx.commit();
} catch (std::exception &e) {
bot->core->log(dpp::ll_error, e.what());
sentry_value_t event = sentry_value_new_event();
sentry_value_t exc = sentry_value_new_exception("Exception", "Spotify SQL error");
sentry_value_set_stacktrace(exc, NULL, 5);
sentry_event_add_exception(event, exc);
sentry_capture_event(event);
tx.abort();
EmbedError("Invalid ID", message.msg.channel_id);
return false;
}
EmbedSuccess("Updated default account.", message.msg.channel_id);
} else {
EmbedError("Unknown Command", message.msg.channel_id);
}
}
return true;
}
};
ENTRYPOINT(SpotifyModule)
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