satan87

import Foundation
import MapKit

final class MapKitService {
    
    // Map the Apple Category to your own category
    private let typesToDrink: [MKPointOfInterestCategory] = [.brewery, .cafe, .winery]
    private let typesToEat: [MKPointOfInterestCategory] = [.foodMarket, .restaurant]

    func retrieve(from: String, completionBlock: @escaping ([Place]) -> Void) {

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if !filters.byAuthorFirstName.isEmpty {
  bookFiltered.removeAll(
      where: {$0.author.firstName.range(of: filters.byAuthorFirstName, options: .caseInsensitive) == nil})
}

satan87

switch filters.byFavorite {
case .favorite:
    bookFiltered.removeAll(where: {!$0.favorite})
case .notFavorite:
    bookFiltered.removeAll(where: {$0.favorite})
default:
    break
}

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var bookFiltered = books.filter({ filters.byBeforeYear == 0 || $0.year < filters.byBeforeYear})

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// MARK: FILTER FUNCTION
func filterBooks(books: [Book], by filters: SearchingBook) -> [Book]{
    
    var bookFiltered = books.filter({ filters.byBeforeYear == 0 || $0.year < filters.byBeforeYear})
    
    //Search by favorite
    switch filters.byFavorite {
    case .favorite:
        bookFiltered.removeAll(where: {!$0.favorite})
    case .notFavorite:

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func filterBooks(books: [Book], by filters: SearchingBook) -> [Book]

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enum FavoriteSearch {
    case all
    case favorite
    case notFavorite
}

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struct SearchingBook {
    var byBeforeYear = 0 //0 meaning do not filter on this
    var byFavorite = FavoriteSearch.all
    var byAuthorFirstName = ""
}