fetchMovies.swift

func fetchMovies() {
    self.networkLayer.executeGETRequest(api: "/Movies", completionBlock: { (data) in
        if let moviesData = data {
            let movies = self.parseMovies(data: moviesData)
            if let delegate = self.delegate {
                delegate.didFetchMovies(success: true, movies: movies)
                return
            }
        }
        if let delegate = self.delegate {
            delegate.didFetchMovies(success: false, movies: [])
            return
        }
    })
}
func parseMovies(data:Data) -> [Movie] {
    do {
        var movies:[Movie] = []
        if let jsonArray = try JSONSerialization.jsonObject(with: data, options : .allowFragments) as? [[String:String]] {
            for object in jsonArray {
                let movie = Movie()
                movie.name = object["name"]
                movie.rating = object["ratting"]
                movies.append(movie)
            }
            return movies
        } else {
            return []
        }
    } catch let error as NSError {
        print(error)
    }
    return []
}