private void InferTable(IList <CTable> tables, CProtoRpc rpc, CProtoMessage messageIn, CTable parentTable)
{
var table = new CTable(DataStoreTypes.SqlServer);
table.Schema = InferSchema(rpc.ProtoService);
table.TableName = InferTableName(messageIn);
table.DerivedFrom = messageIn;
//add PK, Identity
table.Column.Add(new CColumn(table)
{
ColumnName = $"{table.TableName}Id", IsNullable = false, ColumnTypeRaw = "bigint", ColumnType = System.Data.DbType.Int64, IsPrimaryKey = true, IsIdentity = true
});
if (parentTable != null)
{
var fk = parentTable.Column.FirstOrDefault(c => c.IsPrimaryKey);
if (fk != null)
{
var fkColumn = new CColumn(table)
{
ColumnName = fk.ColumnName,
IsNullable = fk.IsNullable,
ColumnType = fk.ColumnType,
ColumnTypeRaw = fk.ColumnTypeRaw,
IsIdentity = false
};
fkColumn.ForeignKeyColumn.Add(fk);
table.Column.Add(fkColumn);
}
}
foreach (var p in messageIn.ProtoField)
{
var parameter = p;
if (parameter.FieldType == GrpcType.__message)
{
//if the inner message is just a single scalar field, lets use that
var m = rpc.ProtoService.ProtoFile.ProtoMessage.FirstOrDefault(pm => pm.MessageName == parameter.MessageType);
if (m.ProtoField.Count == 1 && !parameter.Repeated)
{
parameter = m.ProtoField.First();
}
else if (m.ProtoField.Count > 1)
{
continue;
}
else
{
continue;
}
}
var columns = InferColumns(table, rpc, parameter);
foreach (var col in columns)
{
if (!table.ColumnExists(col))
{
table.Column.Add(col);
}
}
}
var existingTable = tables.FirstOrDefault(t => t.TableName == table.TableName);
if (existingTable != null)
{
//merge the tables
foreach (var col in table.Column)
{
if (!existingTable.ColumnExists(col))
{
existingTable.Column.Add(col);
}
}
}
else
{
tables.Add(table);
}
//now that tables has been added, add children
//this will attempt to make sure they are in correct order for FK constraints
foreach (var p in messageIn.ProtoField)
{
if (p.FieldType == GrpcType.__message && p.Repeated)
{
//if the inner message is just a single scalar field, lets use that
var m = rpc.ProtoService.ProtoFile.ProtoMessage.FirstOrDefault(pm =>
pm.MessageName == p.MessageType);
// if (m.ProtoField.Count > 1) //its repeated, so field count doesn't matter
{
//recurse
InferTable(tables, rpc, m, table);
}
}
}
}
