Added check to see if macro already has been committed. For later use with dependency checking.

1 files changed, 24 insertions, 1 deletions

diff --git a/server/src/database.cc b/server/src/database.cc
index 62454a2..35d9214 100644
--- a/server/src/database.cc
+++ b/server/src/database.cc
@@ -143,6 +143,29 @@ Values Database::getValues(std::string cpr,
   return values;
 }
 
+bool Database::checkMacro(std::string cpr,
+                          std::string macro,
+                          time_t oldest)
+{
+  pqxx::work W(c);
+
+  std::stringstream query;
+  query << "SELECT oid";
+  query << " FROM transactions";
+  query << " WHERE cpr = '" << cpr << "'";
+  query << " AND macro = '" << macro << "'";
+  query << " AND timestamp >= " << oldest;
+  query << " ORDER BY timestamp"; 
+
+  try {
+    pqxx::result R = W.exec(query.str());
+
+    return R.size() != 0;
+  } catch( ... ) {
+    return false;
+  }
+}
+
 /*
 -- As root:
 -- #createuser -P -h localhost -U postgres
@@ -160,7 +183,7 @@ DROP TABLE transactions;
 CREATE TABLE transactions
 (
   "cpr" varchar(11),
-  "makro" text,
+  "macro" text,
   "version" text,
   "timestamp" bigint,
   "user" text