Initial shot at a data extraction tool.

2 files changed, 197 insertions, 0 deletions

diff --git a/server/getdata/Makefile.am b/server/getdata/Makefile.am
new file mode 100644
index 0000000..8cd960f
--- /dev/null
+++ b/server/getdata/Makefile.am
@@ -0,0 +1,21 @@
+bin_PROGRAMS = getdata
+
+getdata_LDADD = $(LD_EFENCE) $(PQXX_LIBS) $(CONFIG_LIBS)
+
+getdata_CXXFLAGS = $(PQXX_CXXFLAGS) $(CONFIG_CXXFLAGS)
+
+getdata_SOURCES = \
+	getdata.cc
+
+EXTRA_DIST =
+
+################
+# Test Section #
+################
+
+TEST_SOURCE_DEPS = ${pracrod_SOURCES} ${EXTRA_DIST}
+TEST_SCRIPT_DIR = $(top_srcdir)/../tools
+
+include ${TEST_SCRIPT_DIR}/Makefile.am.test
+
+include Makefile.am.test
\ No newline at end of file
diff --git a/server/getdata/getdata.cc b/server/getdata/getdata.cc
new file mode 100644
index 0000000..b051de0
--- /dev/null
+++ b/server/getdata/getdata.cc
@@ -0,0 +1,176 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            getdata.cc
+ *
+ *  Tue Jan 18 08:11:53 CET 2011
+ *  Copyright 2011 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Pracro.
+ *
+ *  Pracro is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Pracro is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Pracro; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include <string>
+#include <pqxx/pqxx>
+#include <stdlib.h>
+
+enum {
+  PATIENTID = 0,
+  MACRO = 1,
+  VERSION = 2,
+  TIMESTAMP = 3,
+  USER = 4,
+  UID = 5,
+  TEMPLATE = 6    
+};
+
+enum {
+  TRANSACTION = 0,
+  NAME = 1,
+  VALUE = 2 
+};
+
+#define SEP "\t"
+
+std::string escape(std::string str)
+{
+  std::string out = "\"";
+  std::string::iterator i = str.begin();
+  while(i != str.end()) {
+    if(*i == '\"') out += "''";
+    else out += *i;
+    i++;
+  }
+  out += "\"";
+  return out;
+}
+
+int main()
+{
+  std::string like = "ref";
+
+  std::string host = "localhost";
+  std::string port = "5432";
+  std::string user = "pracro";
+  std::string password = "pracro";
+  std::string dbname = "pracro";
+
+  std::string cs = "host="+host+" port="+port+
+    " user="+user+" password="+password+" dbname="+dbname;
+
+  pqxx::connection conn(cs);
+  pqxx::work W(conn);
+
+  // transactions:
+  // patientid | macro | version | timestamp | user | uid | template    
+
+  // fields:
+  // transaction | name | value 
+
+  std::map<std::string, int> fieldnames;
+  int idx = 0;
+  pqxx::result Rf = W.exec("SELECT DISTINCT name FROM fields ORDER BY name;");
+  pqxx::result::const_iterator rfi = Rf.begin();
+  for(unsigned int r = 0; r < Rf.size(); r++) {
+    pqxx::result::tuple tuple = Rf.at(r); 
+    std::string name = tuple.at(0).c_str();
+    fieldnames[name] = idx;
+    idx++;
+  }
+
+  printf("patientid"SEP);
+  printf("template"SEP);   
+  printf("macro"SEP);
+  printf("version"SEP);
+  printf("timestamp"SEP);
+  printf("user"SEP);
+  printf("uid"SEP);
+  std::map<std::string, int>::iterator i = fieldnames.begin();
+  while(i != fieldnames.end()) {
+    printf("%s"SEP, i->first.c_str());
+    i++;
+  }
+  printf("\n");
+
+  pqxx::result R = W.exec("SELECT * FROM transactions WHERE template LIKE '"+like+"%';");
+  
+  pqxx::result::const_iterator ri = R.begin();
+  for(unsigned int r = 0; r < R.size(); r++) {
+
+    pqxx::result::tuple tuple = R.at(r); 
+
+    std::string patientid = tuple.at(PATIENTID).c_str();
+    std::string macro = tuple.at(MACRO).c_str();
+    std::string version = tuple.at(VERSION).c_str();
+    std::string timestamp = tuple.at(TIMESTAMP).c_str();
+    std::string user = tuple.at(USER).c_str();
+    std::string uid = tuple.at(UID).c_str();
+    std::string templ = tuple.at(TEMPLATE).c_str();
+
+    pqxx::result Rf = W.exec("SELECT * FROM fields WHERE transaction="+uid+";");
+  
+    std::vector<std::string> values;
+    values.insert(values.begin(), fieldnames.size(), "");
+    pqxx::result::const_iterator rfi = Rf.begin();
+    for(unsigned int r = 0; r < Rf.size(); r++) {
+      pqxx::result::tuple tuple = Rf.at(r); 
+
+      std::string name = tuple.at(NAME).c_str();
+      std::string value = tuple.at(VALUE).c_str();
+      values[fieldnames[name]] = value;
+    }
+
+    printf("%s"SEP, escape(patientid).c_str());
+    printf("%s"SEP, escape(templ).c_str());   
+    printf("%s"SEP, escape(macro).c_str());
+    printf("%s"SEP, escape(version).c_str());
+    time_t t = atol(timestamp.c_str());
+    printf("%s"SEP, escape(ctime(&t)).c_str());
+    printf("%s"SEP, escape(user).c_str());
+    printf("%s"SEP, escape(uid).c_str());
+    std::vector<std::string>::iterator vi = values.begin();
+    while(vi != values.end()) {
+      printf("%s"SEP, escape(*vi).c_str());
+      vi++;
+    }
+    printf("\n");
+
+  }
+
+  return 0;
+}
+
+
+
+
+
+
+
+#ifdef TEST_GETDATA
+//deps:
+//cflags:
+//libs:
+#include "test.h"
+
+TEST_BEGIN;
+
+// TODO: Put some testcode here (see test.h for usable macros).
+
+TEST_END;
+
+#endif/*TEST_GETDATA*/