private static void writePersonTableCount(List <TableCount> data)
{
try
{
DatabaseContext.Entry(data[0]).State = EntityState.Modified;
DatabaseContext.SaveChanges();
}
catch (Exception Ex)
{
LogWriterExtended.ExceptionDisplay("Error writing to database. What did you do?", Ex, true);
}
}
// Verifies the count data.
public static void ValidateCount()
{
List <TableCount> data = readTableCountTable();
if (data == null)
{
// Nothing we can do as the database is likely jacked up.
return;
}
try
{
int hardCount = DatabaseContext.PersonData.Count();
if (data.Count < 1)
{
data.Add(new TableCount()
{
PersonCount = hardCount
});
writePersonTableCount(data);
return;
}
if (data[0] == null)
{
data[0] = new TableCount()
{
PersonCount = hardCount
};
writePersonTableCount(data);
return;
}
if (readPersonTableCount(data) != hardCount)
{
data[0].PersonCount = hardCount;
writePersonTableCount(data);
return;
}
}
catch (Exception Ex)
{
LogWriterExtended.ExceptionDisplay("Error running count update.", Ex, true);
}
}
private static int readPersonTableCount(List <TableCount> data)
{
if (data.Count < 1 || data[0] == null)
{
ValidateCount();
}
try
{
int tableCount = (int)data[0].PersonCount;
return(tableCount);
}
catch (Exception Ex)
{
LogWriterExtended.ExceptionDisplay("Error reading count data from list record.", Ex, true);
return(-1);
}
}
// Saves a connection to the static DatabaseContext object.
public static bool Initialize(string path)
{
if (System.IO.File.Exists(path) == false)
{
return(false);
}
// The database is being reinitialized.
if (DatabaseContext != null)
{
DatabaseContext.Dispose();
}
int timeout;
if (int.TryParse(Config.Read("database_timeout"), out timeout) == false)
{
timeout = 60;
}
SQLiteConnection connection = connect(path, timeout);
if (connection == null)
{
return(false);
}
try
{
DatabaseContext = new Context(connection, timeout);
ValidateCount();
return(true);
}
catch (Exception Ex)
{
LogWriterExtended.ExceptionDisplay("Error making SQLite connection.", Ex, true);
return(false);
}
}
private static List <TableCount> readTableCountTable()
{
try
{
List <TableCount> tableCountList =
(from tableCountData in DatabaseContext.TableCount
select tableCountData).ToList();
if (tableCountList == null)
{
LogWriter.LogEntry("Null data for TableCount of PersonData. This should not happen and your database is probably all sorts of jacked up.");
return(null);
}
return(tableCountList);
}
catch (Exception Ex)
{
LogWriterExtended.ExceptionDisplay("Error get count list data.", Ex, true);
return(null);
}
}
