Logging Middleware for Vapor

gistfile1.txt

import Vapor

/// Middleware for outputting all http requests and their responses
final class LoggingMiddleware : Middleware, ServiceType {
    static func makeService(for container: Container) throws -> Self {
        return try .init(environment: container.environment, log: container.make())
    }
    
    init(environment: Environment, log: Logger) {
        self.environment = environment
        self.log = log
    }
    
    func respond(to request: Request, chainingTo next: Responder) throws -> EventLoopFuture<Response> {
        if environment.isRelease {
            return try next.respond(to: request)
        }
        log.info("Request: \(request)\n")
        
        let response = try next.respond(to: request)
        
        return response.map { response in
            self.log.info("Response: \(response)\n")
            return response
        }
    }

    let environment: Environment
    let log: Logger
}