A pagination struct

gistfile1.txt

protocol Pageable{
    var loading:Bool{get}
    var paginator:Paginator{get set}
    func fetchWith(paginator: Paginator)
}

struct Paginator {
    
    var page = 0
    var offset = 0
    let count = 10

    mutating func increment(){
        page += 1
        offset = count * page
    }
    mutating func reset(){
        page = 0
        offset = 0
    }
    
    var metadata:[String:Any]{
        
        return ["offset":offset, "count":count]
        
    }
    
    var urlComponent :URLComponents {
        var components = Settings.hosturl
        components.queryItems = []
        
        let queryItemOffset = URLQueryItem(name: "offset", value: "\(offset)")
        let queryItemCount = URLQueryItem(name: "count", value: "\(count)")
        
        components.queryItems?.append(contentsOf:[queryItemOffset, queryItemCount])
        return components
        
    }
}

extension Paginator:CustomStringConvertible{
    
    public var description: String {
        return "\(page) - \(offset) - \(count)"
    }
    
}