Created
July 11, 2022 16:37
-
-
Save SwiftyAlex/be96c2e6e753ba3e6a5f5a3a51bb85eb to your computer and use it in GitHub Desktop.
Coffee entity being queried
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import Foundation | |
import AppIntents | |
public struct CoffeePropertyQuery: EntityPropertyQuery { | |
public init() { } | |
public func entities(for identifiers: [Coffee.ID]) async throws -> [Coffee] { | |
Coffee.all.filter({ identifiers.contains($0.id) }) | |
} | |
public func suggestedEntities() async throws -> [Coffee] { | |
Coffee.all | |
} | |
public func entities(matching comparators: [CoffeeComparator], mode: ComparatorMode, sortedBy: [EntityQuerySort<Coffee>], limit: Int?) async throws -> [Coffee] { | |
let allCoffee = Coffee.all | |
var matches: [Coffee] | |
switch mode { | |
case .and: | |
matches = allCoffee.filter{ coffee in | |
return comparators.reduce(true, { currentValue, comparator in | |
return match(coffee: coffee, comparator: comparator) && currentValue | |
}) | |
} | |
case .or: | |
matches = allCoffee.filter{ coffee in | |
return comparators.reduce(false, { currentValue, comparator in | |
return match(coffee: coffee, comparator: comparator) || currentValue | |
}) | |
} | |
} | |
if let sort = sortedBy.first { | |
matches.sort(by: { | |
return sortPair(coffees: ($0, $1), sort: sort) | |
}) | |
} | |
return matches | |
} | |
func sortPair(coffees: (Coffee, Coffee), sort: EntityQuerySort<Coffee>) -> Bool { | |
let lhs = coffees.0 | |
let rhs = coffees.1 | |
guard let lhsValue = lhs[keyPath: sort.by] as? EntityProperty<String>, let rhsValue = rhs[keyPath: sort.by] as? EntityProperty<String> else { | |
return false | |
} | |
switch sort.order { | |
case .ascending: | |
return lhsValue.wrappedValue < rhsValue.wrappedValue | |
case .descending: | |
return lhsValue.wrappedValue > rhsValue.wrappedValue | |
} | |
} | |
func match(coffee: Coffee, comparator: CoffeeComparator) -> Bool { | |
switch comparator { | |
case .nameContains(let string): | |
return coffee.name.contains(string) | |
case .nameEquals(let string): | |
return coffee.name == string | |
} | |
} | |
public static var properties: QueryProperties = EntityQueryProperties<Coffee, CoffeeComparator> { | |
Property(\Coffee.$name) { | |
EqualToComparator { CoffeeComparator.nameEquals($0) } | |
ContainsComparator { CoffeeComparator.nameContains($0) } | |
} | |
} | |
public static var sortingOptions = SortingOptions { | |
SortableBy(\Coffee.$name) | |
} | |
} | |
public enum CoffeeComparator: Sendable { | |
case nameEquals(String) | |
case nameContains(String) | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment