diff --git a/init.sql b/init.sql
index dadb70c..ac65a4d 100644
--- a/init.sql
+++ b/init.sql
@@ -1,10 +1,12 @@
 CREATE TABLE user (id INTEGER PRIMARY KEY, name VARCHAR(255), password VARCHAR(255));
-CREATE TABLE account(id INTEGER PRIMARY KEY, user REFERENCES user(id), name VARCHAR(255), number VARCHAR(255), shared CHAR(1), default CHAR(1));
-CREATE TABLE operation(id INTEGER PRIMARY KEY, account REFERENCES account(id), year INTEGER, month INTEGER, day INTEGER, description VARCHAR(255), category VARCHAR(255), fix_cost CHAR(1));
+CREATE TABLE account(id INTEGER PRIMARY KEY, user REFERENCES user(id), name VARCHAR(255), number VARCHAR(255), amount INTEGER, shared CHAR(1), default_account CHAR(1));
+CREATE TABLE operation(id INTEGER PRIMARY KEY, user REFERENCES user(id), account REFERENCES account(id), year INTEGER, month INTEGER, day INTEGER, amount INTEGER, description VARCHAR(255), category VARCHAR(255), fix_cost CHAR(1));
 CREATE TABLE preference(id INTEGER PRIMARY KEY, user REFERENCES user(id), type VARCHAR(255), name VARCHAR(255), value VARCHAR(255));
 CREATE TABLE default_preference(id INTEGER PRIMARY KEY, type VARCHAR(255), name VARCHAR(255), value VARCHAR(255));
 INSERT INTO default_preference ("type", "value") VALUES ("category", "Fixe");
 INSERT INTO default_preference ("type", "value") VALUES ("category", "Courses");
 INSERT INTO default_preference ("type", "value") VALUES ("category", "Loisirs");
 INSERT INTO default_preference ("type", "value") VALUES ("category", "Frais de fonctionnement");
-INSERT INTO default_preference ("type", "value") VALUES ("category", "Exceptionnel");
\ No newline at end of file
+INSERT INTO default_preference ("type", "value") VALUES ("category", "Exceptionnel");
+INSERT INTO user ("id", "name", "password") VALUES ("0", "Greg", "da39a3ee5e6b4b0d3255bfef95601890afd80709");
+INSERT INTO account ("id", "user", "name", "number", "amount", "shared", "default_account") VALUES ("0", "0", "Compte courant", "000", "1234", "0", "1");
diff --git a/model/Account.cpp b/model/Account.cpp
new file mode 100644
index 0000000..b235d8d
--- /dev/null
+++ b/model/Account.cpp
@@ -0,0 +1,7 @@
+#include "Account.h"
+
+
+Account::~Account()
+{
+
+}
diff --git a/model/Account.h b/model/Account.h
index 42b60f0..d486f83 100644
--- a/model/Account.h
+++ b/model/Account.h
@@ -3,24 +3,28 @@
 
 #include <list>
 #include <map>
-
+#include <wx/wx.h>
 
 struct operation {
+  wxString id;
     unsigned int day;
     unsigned int month;
     unsigned int year;
-    unsigned int amount;
-    std::string description;
-    std::string category;
+    int amount;
+    wxString description;
+    wxString category;
     bool fix_cost;
 } ;
 
 class Account
 {
-private:
-    std::string _name;
-    std::string _number;
-    std::map<unsigned int, std::map<unsigned int, std::list<operation> > > _operations;
+public:
+  ~Account();
+
+  wxString _id;
+    wxString _name;
+    wxString _number;
+    int _amount;
     bool _shared;
     bool _default;
 };
diff --git a/model/Database.cpp b/model/Database.cpp
index 2a34f74..af91b23 100644
--- a/model/Database.cpp
+++ b/model/Database.cpp
@@ -1,5 +1,26 @@
 #include "Database.h"
 
+#define EXECUTE_SQL_QUERY_WITH_CODE(req, res, return_value, code_if_fail, code_if_syntax_fail) \
+  do{\
+  try\
+    {\
+  if (!_db.CheckSyntax(req))			\
+	{\
+  std::cout << req << " is invalid !\n" ;	\
+  code_if_syntax_fail;					\
+  return return_value;\
+	}					\
+      res = _db.ExecuteQuery(req);\
+    }\
+  catch (wxSQLite3Exception e)\
+    {\
+      std::cerr << e.GetMessage().mb_str() << "\n" ;\
+      code_if_fail;				    \
+      return return_value;\
+    }\
+} while(0);
+
+#define EXECUTE_SQL_QUERY(req, res, return_value) EXECUTE_SQL_QUERY_WITH_CODE(req, res, return_value, {}, {})
 
 Database::Database()
 {
@@ -21,6 +42,7 @@ void Database::CreateDatabase()
 {
     std::ifstream init_script;
     std::string line;
+    wxString wxline;
 
     wxMessageBox(_("No database found, creating a new one"), _("KissCount"), wxICON_EXCLAMATION | wxOK );
 
@@ -37,18 +59,22 @@ void Database::CreateDatabase()
     do
     {
 	getline(init_script, line);
-	if (!_db.CheckSyntax(line.data()))
+	wxline = wxString(line.c_str(), wxConvUTF8);
+	wxline.Trim(false);
+	if (!wxline.Length() || wxline.StartsWith(_("#"))) continue;
+	if (!_db.CheckSyntax(wxline))
 	{
 	    std::cout << line << " is invalid !\n" ;
 	    continue;
 	}
 	try
 	{
-	    _db.ExecuteUpdate(line.data());
+	    _db.ExecuteUpdate(wxline);
 	}
 	catch (...)
 	{
 	    wxMessageBox(_("Error creating original database"), _("Error"), wxICON_ERROR | wxOK );
+	    remove(BDD_FILE);
 	    throw line;
 	}
     } while (init_script);
@@ -62,15 +88,8 @@ std::list<wxString> Database::GetUsers()
   
   // Check whether value exists in table
   wxSQLite3ResultSet set ;
-  try
-    {
-      set = _db.ExecuteQuery(wxT("SELECT name FROM user"));
-    }
-  catch (wxSQLite3Exception e)
-    {
-      std::cerr << e.GetMessage().mb_str() << "\n" ;
-      return res;
-    }
+
+  EXECUTE_SQL_QUERY(_("SELECT name FROM user ORDER BY name"), set, res);
 	
   while (set.NextRow())
     {
@@ -97,19 +116,75 @@ bool Database::IsValidUser(wxString user, wxString password)
     wxSHA += wxString::Format(wxT("%02F"), (int)sha[i]);
   req = _("SELECT name FROM user WHERE name='") + user + _("' AND password='") + wxSHA + _("'"); 
 
-  // Check whether value exists in table
-  try
-    {
-      set = _db.ExecuteQuery(req);
-    }
-  catch (wxSQLite3Exception e)
-    {
-      std::cerr << e.GetMessage().mb_str() << "\n" ;
-      return false;
-    }
+  req.Printf(_("req : %s\n"));
+
+  EXECUTE_SQL_QUERY(req, set, false);
 	
   res = set.NextRow() ;
   set.Finalize();
 
   return res;
 }
+
+User* Database::LoadUser(wxString name)
+{
+  wxSQLite3ResultSet set;
+  wxString req;
+  User* user;
+  Account* account;
+  std::list<Account*>::iterator it;
+
+  req = _("SELECT * FROM user WHERE name='") + name + _("'"); 
+
+  EXECUTE_SQL_QUERY(req, set, NULL);
+
+  if (!set.NextRow())
+    return NULL;
+
+  user = new User();
+
+  user->_id = set.GetAsString(_("id"));
+  user->_name = set.GetAsString(_("name"));
+  user->_password = _("") ; // Security reasons set.GetAsString("password"); 
+
+  set.Finalize();
+
+  req = _("SELECT * FROM account WHERE user='") + user->_id + _("' ORDER BY default DESC, name ASC"); 
+
+  EXECUTE_SQL_QUERY_WITH_CODE(req, set, NULL, {delete user;});
+
+  while (set.NextRow())
+    {
+      account = new Account();
+      account->_id = set.GetAsString(_("id"));
+      account->_name = set.GetAsString(_("name"));
+      account->_number = set.GetAsString(_("number"));
+      account->_amount = set.GetInt(_("amount"));
+      account->_shared = set.GetBool(_("shared"));
+      account->_default = set.GetBool(_("default_account"));
+      user->_accounts.push_back(account);
+    }
+  set.Finalize();
+
+  if (!user->_accounts.empty())
+    {
+      it = user->_accounts.begin();
+      req = _("SELECT DISTINCT year FROM operation WHERE account IN(") + (*it)->_id;
+      it++;
+      for (;it != user->_accounts.end(); it++)
+	{
+	  req += _(", ") + (*it)->_id ;
+	}
+      req += _(") ORDER BY year ASC");
+
+      EXECUTE_SQL_QUERY_WITH_CODE(req, set, NULL, {delete user;});
+
+      while (set.NextRow())
+	{
+	  user->_operations[set.GetInt(_("year"))] = NULL;
+	}
+      set.Finalize();
+    }
+
+  return user;
+}
diff --git a/model/Database.h b/model/Database.h
index 78252ae..9a0445c 100644
--- a/model/Database.h
+++ b/model/Database.h
@@ -1,12 +1,15 @@
 #ifndef DATABASE_H
 #define DATABASE_H
 
+#include <stdio.h>
 #include <fstream>
 #include <list>
 #include <wx/wxsqlite3.h>
 #include <wx/wx.h>
 #include <sha1.h>
 
+#include "model.h"
+
 #define BDD_FILE "kc.bdd"
 #define INIT_SCRIPT "init.sql"
 
@@ -17,6 +20,8 @@ class Database
 
   std::list<wxString> GetUsers();
   bool IsValidUser(wxString user, wxString password);
+
+  User* LoadUser(wxString name);
  private:
     wxSQLite3Database _db;
     
diff --git a/model/Preferences.h b/model/Preferences.h
index ada5868..f5a7330 100644
--- a/model/Preferences.h
+++ b/model/Preferences.h
@@ -6,8 +6,9 @@
 
 class Preferences
 {
-private:
-    std::map<std::string, wxColour> _colors;
+public:
+    std::map<wxString, wxColour> _colors;
+    std::list<wxString> _categories;
 };
 
 #endif
diff --git a/model/User.cpp b/model/User.cpp
new file mode 100644
index 0000000..77f167a
--- /dev/null
+++ b/model/User.cpp
@@ -0,0 +1,21 @@
+#include "User.h"
+
+
+User::~User()
+{
+  std::map<unsigned int, std::map<unsigned int, std::list<operation> >* >::iterator it;
+
+  while (!_accounts.empty())
+    {
+      delete _accounts.front();
+      _accounts.pop_front();
+    }
+
+  for (it = _operations.begin(); it != _operations.end(); it++)
+    {
+      if (_operations[it->first])
+	{
+	  delete it->second;
+	}
+    }
+}
diff --git a/model/User.h b/model/User.h
index 9a4db61..59e4ab2 100644
--- a/model/User.h
+++ b/model/User.h
@@ -4,14 +4,19 @@
 #include <list>
 
 #include "Account.h"
+#include "Preferences.h"
 
 class User
 {
-private:
-  unsigned int _id;
+public:
+  ~User();
+
+  wxString _id;
   wxString _name;
   wxString _password;
-  std::list<Account> _accounts;
+  std::list<Account*> _accounts;
+  std::map<unsigned int, std::map<unsigned int, std::list<operation> >* > _operations;
+  Preferences _preferences;
 };
 
 #endif
diff --git a/model/model.h b/model/model.h
new file mode 100644
index 0000000..e1ac579
--- /dev/null
+++ b/model/model.h
@@ -0,0 +1,8 @@
+#ifndef MODEL_H
+#define MODEL_H
+
+#include "User.h"
+#include "Account.h"
+#include "Preferences.h"
+
+#endif
diff --git a/view/UsersDialog.cpp b/view/UsersDialog.cpp
index 78895ba..fa78b7a 100644
--- a/view/UsersDialog.cpp
+++ b/view/UsersDialog.cpp
@@ -29,6 +29,8 @@ UsersDialog::UsersDialog(KissCount* kiss, wxUI *parent) : wxDialog(&(*parent), -
 	  _users->Append(*i);
 	}
 
+      _users->Select(0);
+
       vbox1->Add(_users);
       vbox1->Add(-1, 10);
       vbox1->Add(_password);