From a5d78e33085399d04fabeacf8142dbfe55992e7a Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Mon, 9 Jun 2008 14:51:41 +0000
Subject: Added check to see if macro already has been committed. For later use
 with dependency checking.

---
 server/src/database.cc | 25 ++++++++++++++++++++++++-
 server/src/database.h  |  5 +++++
 server/src/server.cc   |  9 ++++++---
 3 files changed, 35 insertions(+), 4 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
diff --git a/server/src/database.h b/server/src/database.h
index 31d69fc..85f8cd7 100644
--- a/server/src/database.h
+++ b/server/src/database.h
@@ -65,6 +65,11 @@ public:
                    Fieldnames &fieldnames,
                    time_t oldest = 0);
 
+  // Check if a macro has been committed.
+  bool checkMacro(std::string cpr,
+                  std::string macro,
+                  time_t oldest = 0);
+
   // Connect to the db
   void connect() {}
 
diff --git a/server/src/server.cc b/server/src/server.cc
index a94a0f8..c0ec223 100644
--- a/server/src/server.cc
+++ b/server/src/server.cc
@@ -168,7 +168,10 @@ static void connection(TCPSocket &socket)
       while(mi2 != templ->course.macroes.end()) {
         Macro &macro = (*mi2);
         
-        answer += "    <macro name=\"" + macro.attributes["name"] + "\">\n";
+        answer += "    <macro name=\"" + macro.attributes["name"] + "\" completed=";
+        if(db.checkMacro(transaction.cpr, macro.attributes["name"])) answer += "\"true\"";
+        else answer += "\"false\"";
+        answer += ">\n";
         
         if(macro.attributes["name"] == request.macro) {
 
@@ -196,7 +199,7 @@ static void connection(TCPSocket &socket)
       i++;
     }
   } catch(std::exception &e) {
-    socket.write(error_box( e.what()));
+    socket.write(error_box(xml_encode(e.what())));
   }
 
   socket.write("</pracro>\n");
@@ -280,7 +283,7 @@ void server()
 char request[] = 
   "<?xml version='1.0' encoding='UTF-8'?>\n"
   "<pracro cpr=\"2003791613\" version=\"1.0\">\n"
-  "  <request macro=\"example2\" course=\"example2\"/>\n"
+  "  <request macro=\"example\" course=\"example\"/>\n"
   "</pracro>\n";
 
 int main()
-- 
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