Sources/XCRemoteCache/Commands/Plugins/Thinning/ThinningPlugin.swift

// Copyright (c) 2021 Spotify AB.
//
// 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

/// Shared logic between thinning plugin producers and consumers
enum ThinningPlugin {
    /// Prefix of the meta keys that correspond to the Thinning Plugin
    static let fileKeyPrefix = "thinning_"

    /// Finds all artifact fileKeys from the thinned artifact meta
    /// Returns a dictionary with Product names keys and aritfact fileKey values
    static func extractAllProductArtifacts(meta: MainArtifactMeta) -> [String: String] {
        let rawKeys = meta.pluginsKeys

        let filteredArtifacts = rawKeys.compactMap { key, value -> (String, String)? in
            guard key.hasPrefix(fileKeyPrefix) else {
                return nil
            }
            return (String(key.dropFirst(fileKeyPrefix.count)), value)
        }
        return Dictionary(uniqueKeysWithValues: filteredArtifacts)
    }
}