combinehttpmanager

combinehttpmanager

class HTTPManager<T: URLSessionProtocol> {
    /// A URLProtocol instance that is replaced by the URLSession in production code
    
    let session: T
    
    required init(session: T) {
        self.session = session
    }

    public func post<T: Decodable>(
        url: URL,
        headers: [String : String],
        data: Data
    )
        -> AnyPublisher<T, Error>
    {
        var request = URLRequest(
            url: url,
            cachePolicy: .reloadIgnoringLocalCacheData,
            timeoutInterval: 2.0)
        
        request.httpMethod = "Post"
        request.allHTTPHeaderFields = headers
        request.httpBody = data
        
        return session.response(for : request)
            .map { $0.data }
            .decode(type: T.self,
                    decoder: JSONDecoder())
            .mapError{ $0 }
            .eraseToAnyPublisher()
    }
}