public static async Task <bool> DeleteAsync(this DirectDatabaseBase db, DirectModel model)
{
if (model.IntegerPrimary && !model.ID.HasValue)
{
throw new Exception("THIS model has not ID");
}
string command = string.Format(DirectModelHelper.GetDatabase(model).QueryDelete,
model.GetTableName(),
model.GetIdNameValue(),
(model.IntegerPrimary ? model.ID.Value.ToString() : string.Format("'{0}'", model.GetStringID())));
DirectExecuteResult result = await db.ExecuteAsync(command);
if (result.IsSuccessfull)
{
model.ID = null;
model.Snapshot.SetSnapshot();
return(true);
}
return(false);
}
internal static string ConstructUpdateUpdatedQuery(this DirectModel model)
{
if (model.IntegerPrimary && !model.ID.HasValue)
{
throw new Exception("ID is not set, maybe this table was not loaded");
}
model.OnBeforeUpdate();
// UPDATE MobilePaywall.core.A SET A=1 WHERE AID=1
string updatedPropName = string.Empty;
foreach (var prop in model.Snapshot.PropertySignatures)
{
if (prop.Name.ToLower().Equals("updated"))
{
updatedPropName = prop.Name;
}
}
if (string.IsNullOrEmpty(updatedPropName))
{
return(string.Empty);
}
string command = string.Format(DirectModelHelper.GetDatabase(model).QueryConstructUpdateUpdatedQuery,
model.GetTableName(),
updatedPropName, model.GetDatabase().ConstructDateTimeParam(DateTime.Now),
model.GetIdNameValue(),
(model.IntegerPrimary ? model.ID.Value.ToString() : string.Format("'{0}'", model.GetStringID())));
return(command);
}
public static async Task <int?> UpdateAsync(this DirectDatabaseBase db, DirectModel model)
{
if (model.IntegerPrimary && !model.ID.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(DirectModelHelper.GetDatabase(model).QueryConstructUpdateQuery,
model.GetTableName(),
model.Snapshot.GetUpdateData(),
model.GetIdNameValue(),
(model.IntegerPrimary ? model.ID.Value.ToString() : string.Format("'{0}'", model.GetStringID())));
DirectExecuteResult result = await db.ExecuteAsync(command);
if (!result.IsSuccessfull)
{
return(null);
}
else
{
model.Snapshot.SetSnapshot();
return(result.NumberOfRowsAffected);
}
}
internal static string ConstructUpdateQuery(this DirectModel model)
{
if (model.IntegerPrimary && !model.ID.HasValue)
{
throw new Exception("ID is not set, maybe this table was not loaded");
}
model.OnBeforeUpdate();
string updateData = model.Snapshot.GetUpdateData();
if (string.IsNullOrEmpty(updateData))
{
return(string.Empty);
}
// UPDATE MobilePaywall.core.A SET A=1 WHERE AID=1
string command = string.Format(DirectModelHelper.GetDatabase(model).QueryConstructUpdateQuery,
model.GetTableName(),
model.Snapshot.GetUpdateData(),
model.GetIdNameValue(),
(model.IntegerPrimary ? model.ID.Value.ToString() : string.Format("'{0}'", model.GetStringID())));
return(command);
}