Resource+Inspect.swift

//
//  Copyright (C) DB Systel GmbH.
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//  Software is furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in 
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//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
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//

import Foundation

extension Resource {
    /**
     This lets one inspect the data payload before data gets parsed.
     
     ```swift
     let resource: Resource<Train> = //
     resource.inspectData { data in
        print(String(bytes: data, encoding: .utf8))
     }
     ```
     
     - parameter inspector: closure which gets passed the data
     - returns: a new resource which gets instepcted before parsing
     */
    public func inspectData(_ inspector: @escaping (Data) -> Void) -> Resource<Model> {
        return Resource(request: request, parse: { data in
            inspector(data)
            return try self.parse(data)
        })
    }

}