SectionedQuery-05

SectionedQuery.swift

import SwiftData
import SwiftUI

@propertyWrapper
struct SectionedQuery<SectionIdentifier, Result>: DynamicProperty
where SectionIdentifier: Hashable, Result: PersistentModel {
    
    private let sectionIdentifier: KeyPath<Result, SectionIdentifier>
    @Query private var results: [Result]
    
    var wrappedValue: SectionedResults<SectionIdentifier, Result> {
        SectionedResults(sectionIdentifier: sectionIdentifier,
                         results: results)
    }
    
    
    init<Value>(_ sectionIdentifier: KeyPath<Result, SectionIdentifier>,
                filter: Predicate<Result>? = nil,
                sort keyPath: KeyPath<Result, Value>,
                order: SortOrder = .forward,
                animation: Animation = .default) where Value: Comparable {
        self.sectionIdentifier = sectionIdentifier
        
         _results = Query(filter: filter,
                          sort: keyPath,
                          order: order,
                          animation: animation)
    }

}