X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=bigscreen%2Fccbs_bigscreen.cpp;h=08d2bf24576fad8da550d4c5f07e7ebdad037638;hp=3b9d6ae506ca8e11ebc4df62a7b8334dbb02948e;hb=251dc64c47b1dc78e73316e76637986da97fd149;hpb=a3af80a53451d55958372e9dd88be22159e4186d

diff --git a/bigscreen/ccbs_bigscreen.cpp b/bigscreen/ccbs_bigscreen.cpp
index 3b9d6ae..08d2bf2 100644
--- a/bigscreen/ccbs_bigscreen.cpp
+++ b/bigscreen/ccbs_bigscreen.cpp
@@ -3,6 +3,14 @@
 #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:
@@ -30,14 +38,54 @@ public:
 	}
 };
 
+/* 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();
 	
@@ -54,6 +102,7 @@ int main(int argc, char **argv)
 		// 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();