public static async Task <int?> UpdateAsync(this DirectDatabaseBase db, DirectModel model)
{
if (!model.LongID.HasValue)
{
throw new Exception("ID is not set, maybe this table was not loaded");
}
// UPDATE MobilePaywall.core.A SET A=1 WHERE AID=1
string command = string.Format("UPDATE {0}.{1}{2} SET {3} WHERE {4}={5};",
db.DatabaseName, db.DatabaseSchemeString, model.GetTableName(),
model.Snapshot.GetUpdateData(),
model.GetIdNameValue(), model.LongID.Value);
DirectExecuteResult result = await db.ExecuteAsync(command);
if (!result.IsSuccessfull)
{
return(null);
}
else
{
model.OnAfterUpdate?.Invoke();
model.Snapshot.SetSnapshot();
return(result.NumberOfRowsAffected);
}
}
public static T Insert <T>(this DirectDatabaseBase db, DirectModel model) where T : DirectModel
{
DirectExecuteResult result = db.Execute(model.ConstructInsertQuery());
if (result.IsSuccessfull && result.LastID.HasValue)
{
model.LongID = result.LastID;
model.Snapshot.SetSnapshot();
return((T)model);
}
return((T)model);
}
public static async Task <T> InsertAsync <T>(this DirectDatabaseBase db, DirectModel model) where T : DirectModel
{
string command = string.Format("INSERT INTO {0}.{1}{2} ({3}) VALUES ({4});",
db.DatabaseName, db.DatabaseSchemeString, model.GetTableName(),
model.Snapshot.GetPropertyNamesForInsert(), model.Snapshot.GetPropertyValuesForInsert());
DirectExecuteResult result = await db.ExecuteAsync(command);
if (result.IsSuccessfull && result.LastID.HasValue)
{
model.LongID = result.LastID;
model.Snapshot.SetSnapshot();
return((T)model);
}
return((T)model);
}
public static int?Update(this DirectDatabaseBase db, DirectModel model)
{
if (!model.LongID.HasValue)
{
throw new Exception("ID is not set, maybe this table was not loaded");
}
DirectExecuteResult result = db.Execute(model.ConstructUpdateQuery());
if (!result.IsSuccessfull)
{
return(null);
}
else
{
model.Snapshot.SetSnapshot();
return(result.NumberOfRowsAffected);
}
}
public static async Task <bool> DeleteAsync(this DirectDatabaseBase db, DirectModel model)
{
if (!model.LongID.HasValue)
{
throw new Exception("THIS model has not ID");
}
string command = string.Format("DELETE FROM {0}.{1}{2} WHERE {3}={4};",
db.DatabaseName, db.DatabaseSchemeString, model.GetTableName(),
model.GetIdNameValue(), model.LongID.Value);
DirectExecuteResult result = await db.ExecuteAsync(command);
if (result.IsSuccessfull)
{
model.LongID = null;
model.Snapshot.SetSnapshot();
return(true);
}
return(false);
}