private DbTBool<T> CreateInsertIfNotExists()
{
if (!Info.InsertColumns.Any())
return DoNothing;
string insertIntoCmd = InsertIntoCmd();
string insertedValues = InsertedValues(Info.InsertColumns);
string whereEquals = WhereEquals(EqualityColumns);
if (Info.AutoKeyColumn == null) {
if (!Info.InsertAutoSyncColumns.Any()) {
return (connection, obj, transaction, commandTimeout) => {
string cmd = $"IF NOT EXISTS (\nSELECT * FROM {FullyQualifiedTableName}\nWHERE \t{whereEquals})\n{insertIntoCmd}{insertedValues}";
try {
int count = connection.Execute(cmd, obj, transaction, commandTimeout);
return count > 0;
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
};
}
DbTVoid<T> insertAutoSync = Queries.InsertAutoSync;
return (connection, obj, transaction, commandTimeout) => {
string cmd = $"IF NOT EXISTS (\nSELECT * FROM {FullyQualifiedTableName}\nWHERE \t{whereEquals})\n{insertIntoCmd}{insertedValues}";
int count;
try {
count = connection.Execute(cmd, obj, transaction, commandTimeout);
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
insertAutoSync(connection, obj, transaction, commandTimeout);
return count > 0;
};
}
string selectAutoKey = SelectAutoKey();
MemberSetter autoKeySetter = Info.AutoKeyColumn.Setter;
if (!Info.InsertAutoSyncColumns.Any()) {
return (connection, obj, transaction, commandTimeout) => {
string cmd = $"IF NOT EXISTS (\nSELECT * FROM {FullyQualifiedTableName}\nWHERE \t{whereEquals})\n{insertIntoCmd}{insertedValues};\n{selectAutoKey}";
object key;
try {
key = connection.QueryFirst<dynamic>(cmd, obj, transaction, commandTimeout).Id;
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
if (key != null) {
autoKeySetter(obj, key);
return true;
}
return false;
};
}
else {
DbTVoid<T> insertAutoSync = Queries.InsertAutoSync;
return (connection, obj, transaction, commandTimeout) => {
string cmd = $"IF NOT EXISTS (\nSELECT * FROM {FullyQualifiedTableName}\nWHERE \t{whereEquals})\n{insertIntoCmd}{insertedValues};\n{selectAutoKey}";
object key;
try {
key = connection.QueryFirst<dynamic>(cmd, obj, transaction, commandTimeout).Id;
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
if (key != null) {
insertAutoSync(connection, obj, transaction, commandTimeout);
autoKeySetter(obj, key);
return true;
}
return false;
};
}
}
private DbTVoid<T> CreateInsert()
{
if (!Info.InsertColumns.Any()) // NoInsertsAttribute
return DoNothingVoid;
string insertIntoCmd = InsertIntoCmd();
string insertedValues = InsertedValues(Info.InsertColumns);
if (Info.AutoKeyColumn == null) {
if (!Info.InsertAutoSyncColumns.Any()) {
return (connection, obj, transaction, commandTimeout) => {
string cmd = insertIntoCmd + insertedValues;
try {
connection.Execute(cmd, obj, transaction, commandTimeout);
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
};
}
DbTVoid<T> insertAutoSync = Queries.InsertAutoSync;
return (connection, obj, transaction, commandTimeout) => {
string cmd = insertIntoCmd + insertedValues;
try {
connection.Execute(cmd, obj, transaction, commandTimeout);
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
insertAutoSync(connection, obj, transaction, commandTimeout);
};
}
string selectAutoKey = SelectAutoKey();
MemberSetter autoKeySetter = Info.AutoKeyColumn.Setter;
if (!Info.InsertAutoSyncColumns.Any()) {
return (connection, obj, transaction, commandTimeout) => {
string cmd = insertIntoCmd + insertedValues + ";\n" + selectAutoKey;
IDictionary<string, object> key;
try {
key = connection.QueryFirst(cmd, obj, transaction, commandTimeout);
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
autoKeySetter(obj, key.Values.First());
};
}
else {
DbTVoid<T> insertAutoSync = Queries.InsertAutoSync;
return (connection, obj, transaction, commandTimeout) => {
string cmd = insertIntoCmd + insertedValues + ";\n" + selectAutoKey;
IDictionary<string, object> key;
try {
key = connection.QueryFirst(cmd, obj, transaction, commandTimeout);
}
catch (Exception ex) {
throw new InvalidOperationException(ex.Message + "\n" + cmd);
}
autoKeySetter(obj, key.Values.First());
insertAutoSync(connection, obj, transaction, commandTimeout);
};
}
}
