public Medicine Find(int key)
{
IDatabase db = new MSSqlDatabase();
db.Connect();
db.BeginTransaction();
DbCommand command = db.CreateCommand(sqlSELECT);
command.Parameters.Add(db.CreateParameter("@id", "int"));
command.Parameters["@id"].Value = key;
DbDataReader reader = db.Select(command);
Dictionary<int, Medicine> medicines = this.Read(reader, db);
reader.Close();
db.EndTransaction();
db.Close();
if (medicines.Count == 0)
return null;
else
return medicines.Values.ToList()[0];
}
public void LoadAndAddResults()
{
try
{
XmlDocument xml = new XmlDocument();
xml.Load(Config.Settings["XML_request"]);
IDatabase db = new MSSqlDatabase();
db.Connect();
db.BeginTransaction();
XmlNodeList requests = xml.DocumentElement.SelectNodes("//samplerequest");
foreach (XmlNode node in requests)
{
int id;
if (!Int32.TryParse(node.ChildNodes[0].InnerText, out id))
throw new ApplicationException(ErrorMessages.Messages["REQ_S_xml_id"] + node.ChildNodes[0].InnerText);
string results = node.ChildNodes[4].InnerText;
DateTime processed;
if (!DateTime.TryParse(node.ChildNodes[5].InnerText, out processed))
throw new ApplicationException(ErrorMessages.Messages["REQ_S_xml_processed"] + node.ChildNodes[5].InnerText);
this.AddResults(id, results, processed, db);
}
db.EndTransaction();
db.Close();
}
catch (Exception e)
{
throw new ApplicationException(ErrorMessages.Messages["REQ_S_xml"] + e.Message);
}
}
public void DeletePatientRequests(string p_id, IDatabase db = null)
{
IDatabase pdb = db;
if (db == null)
{
db = new MSSqlDatabase();
db.Connect();
db.BeginTransaction();
}
DbCommand command = db.CreateCommand(sqlDELETEPATIENT1);
command.Parameters.Add(db.CreateParameter("@id", "char", p_id.Length));
command.Parameters["@id"].Value = p_id;
db.ExecuteNonQuery(command);
command = db.CreateCommand(sqlDELETEPATIENT2);
command.Parameters.Add(db.CreateParameter("@id", "char", p_id.Length));
command.Parameters["@id"].Value = p_id;
db.ExecuteNonQuery(command);
if (pdb == null)
{
db.EndTransaction();
db.Close();
}
}
public Dictionary<int, Medicine> LoadAsDict()
{
IDatabase db = new MSSqlDatabase();
db.Connect();
db.BeginTransaction();
DbCommand command = db.CreateCommand(sqlSELECTALL);
DbDataReader reader = db.Select(command);
Dictionary<int, Medicine> medicines = this.Read(reader, db);
reader.Close();
db.EndTransaction();
db.Close();
return medicines;
}
public void DeleteRequest(Request r)
{
Prescription er = (Prescription)r;
IDatabase db = new MSSqlDatabase();
db.Connect();
db.BeginTransaction();
this.DeleteMedicines(er);
DbCommand command = db.CreateCommand(sqlDELETE);
command.Parameters.Add(db.CreateParameter("@id", "int"));
command.Parameters["@id"].Value = er.Id;
db.ExecuteNonQuery(command);
db.EndTransaction();
db.Close();
}
public void InsertRequest(string p_id, Request r)
{
Prescription er = (Prescription)r;
if (er.Medicines.Count == 0)
{
throw new ApplicationException(ErrorMessages.Messages["REQ_P_medicines"]);
}
IDatabase db = new MSSqlDatabase();
db.Connect();
db.BeginTransaction();
DbCommand command = db.CreateCommand(sqlINSERT);
PrepareCommand(db, command, er, p_id);
er.Id = db.ExecuteScalar(command);
int added = this.InsertMedicines(er, db);
db.EndTransaction();
if (added != er.Medicines.Count)
{
db.Rollback();
}
db.Close();
}
public void UpdateRequest(Request r)
{
Prescription er = (Prescription)r;
IDatabase db = new MSSqlDatabase();
db.Connect();
db.BeginTransaction();
DbCommand command = db.CreateCommand(sqlUPDATE);
command.Parameters.Add(db.CreateParameter("@date", "datetime"));
command.Parameters["@date"].Value = er.Created;
command.Parameters.Add(db.CreateParameter("@id", "int"));
command.Parameters["@id"].Value = er.Id;
db.ExecuteNonQuery(command);
this.DeleteMedicines(er);
int added = this.InsertMedicines(er, db);
db.EndTransaction();
if (added != er.Medicines.Count)
{
db.Rollback();
}
db.Close();
}