#include <pqxx/pqxx>
#include "glwindow.h"
+class Tournament {
+public:
+ int id;
+ std::string name;
+};
+
+Tournament active_tournament;
+
/* A trigger that sets a flag whenever it's trigged. */
class FlagTrigger : pqxx::trigger {
private:
}
};
+/* A transactor that fetches the current tournament and some information about it. */
+class FetchCurrentTournament : public pqxx::transactor<> {
+private:
+ Tournament *tourn;
+
+public:
+ FetchCurrentTournament(Tournament *tourn) : tourn(tourn) {}
+ void operator() (pqxx::transaction<> &t)
+ {
+ pqxx::result res( t.exec("SELECT * FROM bigscreen.active_tournament NATURAL JOIN tournaments") );
+ try {
+ pqxx::result::tuple tournament = res.at(0);
+
+ tourn->id = tournament["tournament"].as(tourn->id);
+ tourn->name = tournament["tournamentname"].as(tourn->name);
+ } catch (PGSTD::out_of_range &e) {
+ tourn->id = -1;
+ tourn->name = "";
+ }
+ }
+};
+
+void init(pqxx::connection &conn)
+{
+ conn.perform(FetchCurrentTournament(&active_tournament));
+
+ if (active_tournament.id == -1) {
+ std::fprintf(stderr, "No active tournament\n");
+ } else {
+ std::fprintf(stderr, "Current tournament is %d (name: '%s')\n",
+ active_tournament.id, active_tournament.name.c_str());
+ }
+}
+
void main_loop(pqxx::connection &conn)
{
+ if (active_tournament.id == -1) {
+ // No active tournament, sleep a second or so and exit
+ sleep(1);
+ return;
+ }
+
pqxx::work t(conn, "trx");
// fetch all songs
pqxx::result res( t.exec("SELECT * FROM songs") );
for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
- // std::fprintf(stderr, "%s\n", i["title"].c_str());
+ std::fprintf(stderr, "%s\n", i["title"].c_str());
}
t.commit();
// when active_tournament is changed, we destroy everything and start from scratch
for ( ;; ) {
tournament_changed.reset_flag();
+ init(conn);
do {
main_loop(conn);
conn.get_notifs();