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Swift protocols and protocol extensions to easily add and delete conforming instances to Spotlight. Blog post can be found here: http://silvandaehn.com/2015/09/25/Simplifying-CoreSpotlight/
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import UIKit | |
import CoreSpotlight | |
import MobileCoreServices | |
public typealias Completion = NSError? -> Void | |
// MARK: - Searchable Protocol | |
public protocol Searchable { | |
static var spotlightDomainIdentifier: String { get } | |
var spotlightIdentifier: String { get } | |
var spotlightTitle: String { get } | |
var spotlightDescription: String? { get } | |
var spotlightImage: UIImage? { get } | |
var spotlightKeywords: [String]? { get } | |
} | |
public extension Searchable { | |
var spotlightImage: UIImage? { return nil } | |
var spotlightKeywords: [String]? { return nil } | |
var searchableItem: CSSearchableItem { | |
let attributeSet = CSSearchableItemAttributeSet(itemContentType: kUTTypeText as String) | |
attributeSet.title = spotlightTitle | |
attributeSet.contentDescription = spotlightDescription | |
attributeSet.keywords = spotlightKeywords | |
let item = CSSearchableItem( | |
uniqueIdentifier: spotlightIdentifier, | |
domainIdentifier: self.dynamicType.spotlightDomainIdentifier, | |
attributeSet: attributeSet | |
) | |
item.expirationDate = .distantFuture() | |
item.attributeSet.thumbnailData = spotlightImage.flatMap(UIImagePNGRepresentation) | |
return item | |
} | |
func addToSpotlightIndex( | |
index: CSSearchableIndex = .defaultSearchableIndex(), | |
completion: Completion? = nil) { | |
index.indexSearchableItems([searchableItem], completionHandler: completion) | |
} | |
func removeFromSpotlightIndex( | |
index: CSSearchableIndex = .defaultSearchableIndex(), | |
completion: Completion? = nil) { | |
index.deleteSearchableItemsWithIdentifiers([spotlightIdentifier], completionHandler: completion) | |
} | |
static func deleteAllIndiciesFromSpotlightIndex( | |
index: CSSearchableIndex = .defaultSearchableIndex(), | |
completion: Completion? = nil) { | |
index.deleteSearchableItemsWithDomainIdentifiers([self.spotlightDomainIdentifier], completionHandler: completion) | |
} | |
} | |
extension SequenceType where Generator.Element == Searchable { | |
func addToSpotlightIndex( | |
index: CSSearchableIndex = .defaultSearchableIndex(), | |
completion: Completion? = nil) { | |
index.indexSearchableItems(self.map { $0.searchableItem }, completionHandler: completion) | |
} | |
func removeFromSpotlightIndex( | |
index: CSSearchableIndex = .defaultSearchableIndex(), | |
completion: Completion? = nil) { | |
index.deleteSearchableItemsWithIdentifiers(self.map { $0.spotlightIdentifier }, completionHandler: completion) | |
} | |
} |
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nice code! have you considered making it a Cocoapod?