public void Dispose()
{
if (sql != null)
{
sql.Dispose();
sql = null;
}
}
public static void OpenDB()
{
#if MONO
if (detailsDB == null)
{
#if ANDROID
detailsDB = new SqliteConnection("DbLinqProvider=Sqlite;Data Source=" + DBFullFilename);
#else
detailsDB = new SqliteConnection("DbLinqProvider=Sqlite;Data Source=Details.db");
#endif
detailsDB.Open();
}
#else
if (sqlDetailsDB == null)
{
sqlDetailsDB = new SQL_Lite();
sqlDetailsDB.SkipHeaderRow = true;
sqlDetailsDB.Open(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "details.db"));
}
#endif
}
private bool TableMatchesDescription(SQL_Lite sql, DBTableDesc table)
#endif
{
RowsRet ret = sql.ExecuteCommand("PRAGMA table_info(" + table.Name + ");");
Dictionary <string, DBFieldDesc> fieldInfo = new Dictionary <string, DBFieldDesc>();
foreach (var field in table.Fields)
{
fieldInfo.Add(field.Name, field);
}
bool tableMatches = true;
foreach (Row row in ret.Rows)
{
string name = row["name"];
if (fieldInfo.ContainsKey(row["name"]))
{
fieldInfo.Remove(row["name"]);
}
else
{
if (name != "ID" && name != "OwnerID")
{
tableMatches = false;
break;
}
}
}
if (fieldInfo.Count > 0)
{
tableMatches = false;
}
return(tableMatches);
}
private static void CopyTable(SQL_Lite sql, SQL_Lite sql2, DBTableDesc table)
public DBLoader(String filename)
{
Type type = typeof(T);
#if ANDROID
string path = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
#else
string path = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
#endif
path = Path.Combine(path, "Combat Manager");
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
try
{
string fullfilename = Path.Combine(path, filename);
#if !MONO
sql = new SQL_Lite();
sql.SkipHeaderRow = true;
sql.Open(fullfilename);
string backtext = Assembly.GetExecutingAssembly().GetName().Version.ToString();
string backname = fullfilename + backtext + ".db";
#else
#if ANDROID
Android.Util.Log.Error("DBLoader", "fullfilename " + fullfilename);
#endif
sql = new SqliteConnection("DbLinqProvider=Sqlite;Data Source=" + fullfilename);
sql.Open();
#endif
#if !MONO
//make a backup
if (File.Exists(fullfilename) && !(File.Exists(backname)))
{
try
{
File.Copy(fullfilename, backname);
}
catch (IOException ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
}
}
#endif
bool needsCopy = false;
#if !MONO
try
{
sql.ExecuteCommand("SELECT name FROM sqlite_master");
}
catch (SQL_Lite_Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.ToString());
sql.Dispose();
sql = null;
string errorname = fullfilename + ".error.db";
if (File.Exists(errorname))
{
File.Delete(errorname);
}
File.Move(fullfilename, errorname);
sql = new SQL_Lite();
sql.SkipHeaderRow = true;
sql.Open(fullfilename);
}
#endif
List <DBTableDesc> tables = GetTablesForType(type);
foreach (DBTableDesc desc in tables)
{
RowsRet ret = sql.ExecuteCommand("SELECT name FROM sqlite_master WHERE type='table' AND name=?",
new object[] { desc.Name });
if (ret.Rows.Count == 0)
{
String str = CreateTableStatementForDesc(desc);
sql.ExecuteCommand(str);
}
else
{
if (!TableMatchesDescription(sql, desc))
{
needsCopy = true;
break;
}
}
}
if (needsCopy)
{
#if ANDROID
Android.Util.Log.Error("DBLoader", "DBL needs copy");
#endif
string newfile = fullfilename + ".tmp";
if (File.Exists(newfile))
{
#if ANDROID
Android.Util.Log.Error("DBLoader", "DBL new file exists");
#endif
File.Delete(newfile);
#if ANDROID
Android.Util.Log.Error("DBLoader", "DBL new file delete");
#endif
}
#if !MONO
SQL_Lite sql2 = new SQL_Lite();
sql2.SkipHeaderRow = true;
sql2.Open(newfile);
#else
LogError("DBLoader", "NewFile " + newfile);
SqliteConnection sql2 = new SqliteConnection("DbLinqProvider=Sqlite;Data Source=" + newfile);
sql2.Open();
#endif
foreach (DBTableDesc table in tables)
{
CopyTable(sql, sql2, table);
}
sql.Dispose();
sql2.Dispose();
File.Delete(fullfilename);
File.Move(newfile, fullfilename);
#if !MONO
sql = new SQL_Lite();
sql.SkipHeaderRow = true;
sql.Open(fullfilename);
#else
sql = new SqliteConnection("DbLinqProvider=Sqlite;Data Source=" + fullfilename);
sql.Open();
#endif
}
LoadTableNextIndexes(tables);
LoadDBItems();
}
#if !MONO
catch (SQL_Lite_Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
#else
finally
{
}
#endif
}
