Sources/ApacheBeam/Schema/Schema+Proto.swift

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 *  License); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an  AS IS BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import Foundation

extension Field {
    var proto: FieldProto {
        get throws {
            try .with {
                $0.name = self.name
                $0.description_p = self.description ?? ""
                if let p = self.position {
                    $0.encodingPosition = Int32(p)
                }
                $0.type = try self.type.proto
            }
        }
    }

    static func from(_ proto: FieldProto) -> Field {
        Field(name: proto.name, description: proto.description_p, type: .from(proto.type), options: [:], position: Int(proto.encodingPosition))
    }
}

extension Schema {
    var proto: SchemaProto {
        get throws {
            .with { _ in }
        }
    }

    static func from(_ proto: SchemaProto) -> Schema {
        let fields: [Field] = proto.fields.map {
            .from($0)
        }
        return Schema(id: UUID(uuidString: proto.id), options: [:], fields: fields)
    }
}