72 lines
2.7 KiB
Swift
72 lines
2.7 KiB
Swift
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//
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// CandidatesViewModel.swift
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// iris
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//
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// Created by Codex.
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//
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import CoreLocation
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import Foundation
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import os
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@MainActor
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final class CandidatesViewModel: ObservableObject {
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@Published private(set) var candidates: [Candidate] = []
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@Published private(set) var lastUpdatedAt: Date? = nil
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@Published private(set) var isLoading = false
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@Published private(set) var lastError: String? = nil
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@Published private(set) var diagnostics: [String: String] = [:]
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var demoLatitude: Double = 51.5074
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var demoLongitude: Double = -0.1278
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private let logger = Logger(subsystem: Bundle.main.bundleIdentifier ?? "iris", category: "CandidatesViewModel")
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func refresh() {
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guard !isLoading else { return }
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isLoading = true
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lastError = nil
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diagnostics = [:]
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let location = CLLocation(latitude: demoLatitude, longitude: demoLongitude)
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let now = Int(Date().timeIntervalSince1970)
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logger.info("Refresh start lat=\(self.demoLatitude, format: .fixed(precision: 4)) lon=\(self.demoLongitude, format: .fixed(precision: 4)) now=\(now)")
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Task {
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defer {
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Task { @MainActor in
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self.isLoading = false
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self.lastUpdatedAt = Date()
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}
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}
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if #available(iOS 16.0, *) {
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let ds = WeatherDataSource()
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let result = await ds.candidatesWithDiagnostics(for: location, now: now)
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await MainActor.run {
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self.candidates = result.candidates.sorted { $0.confidence > $1.confidence }
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self.diagnostics = result.diagnostics
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if let error = result.weatherKitError {
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self.lastError = "WeatherKit error: \(error)"
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}
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}
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if let error = result.weatherKitError {
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self.logger.error("WeatherKit error: \(error)")
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}
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self.logger.info("Produced candidates count=\(result.candidates.count)")
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for c in result.candidates {
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self.logger.info("Candidate id=\(c.id, privacy: .public) type=\(c.type.rawValue, privacy: .public) conf=\(c.confidence, format: .fixed(precision: 2)) ttl=\(c.ttlSec) title=\(c.title, privacy: .public)")
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}
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if result.candidates.isEmpty {
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self.logger.info("Diagnostics: \(String(describing: result.diagnostics), privacy: .public)")
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}
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} else {
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await MainActor.run {
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self.candidates = []
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self.lastError = "WeatherKit requires iOS 16+."
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}
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}
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}
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}
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}
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