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No commits in common. "ef98531ca28fe6a2f66d981b0d94aeecf380aef7" and "79176585b441580b2af85b148c0d8bd7e9b468d9" have entirely different histories.

6 changed files with 48 additions and 113 deletions

View file

@ -1,4 +1,3 @@
# https://swiftbundler.dev/documentation/swift-bundler/configuration
format_version = 2
[apps.AmtrakStatus]
@ -6,7 +5,6 @@ identifier = 'com.tonybark.AmtrakStatus'
product = 'AmtrakStatus'
version = '0.2.103'
icon = "./assets/icon.png"
category = "public.app-category.travel"
[[apps.AmtrakStatus.overlays]]

View file

@ -28,10 +28,6 @@ struct AmtrakClient {
try await get(trainsBaseURL)
}
func fetchStaleStatus() async throws -> StaleData {
try await get(staleBaseURL)
}
func fetchAllTrainStatus(num trainNum: String) async throws -> [Train] {
let reponse = try await fetchTrain(number: trainNum)
return reponse.values.flatMap(\.self)

View file

@ -26,21 +26,21 @@ struct AmtrakDateFormatting {
return isoFormatter.date(from: isoString)
}
func time(from isoString: String?, in zone: TimeZone?, comparedTo originZone: TimeZone? = nil) -> String? {
func time(from isoString: String?, timeZone: TimeZone?, relativeTo otherZone: TimeZone? = nil) -> String? {
guard let isoString, !isoString.isEmpty, let date = isoFormatter.date(
from: isoString) else {
return nil
}
timeFormatter.timeZone = zone
timeFormatter.timeZone = timeZone
let formatted = timeFormatter.string(from: date)
guard
let zone,
let originZone,
zone.identifier != originZone.identifier,
let abbreviation = zone.abbreviation(for: date)
let timeZone,
let otherZone,
timeZone.identifier != otherZone.identifier,
let abbreviation = timeZone.abbreviation(for: date)
else {
return formatted
}
@ -48,29 +48,6 @@ struct AmtrakDateFormatting {
return "\(formatted) \(abbreviation)"
}
func isOnTime(actual: String?, scheduled: String?) -> LateTrain {
guard
let actualDate = parsedDate(from: actual),
let scheduledDate = parsedDate(from: scheduled)
else {
return .unknown
}
let differenceInMinutes = Int(actualDate.timeIntervalSince(scheduledDate) / 60)
switch differenceInMinutes {
case -1...1:
return .onTime
case ..<0:
return .early(minutes: -differenceInMinutes)
default:
return .late(minutes: differenceInMinutes)
}
}
func localTime(timeZone: TimeZone?) -> String {
let now = Date()
timeFormatter.timeZone = timeZone

View file

@ -14,7 +14,6 @@ struct ContentView: View {
let amtrakDate = AmtrakDateFormatting()
let unknown = "Unknown"
let staleDataThreshold: TimeInterval = 60 * 60 * 24 // 24 hours
var body: some View {
VStack {
@ -138,7 +137,6 @@ struct ContentView: View {
}
var zoneCache: [String: TimeZone?] = [code: lookup.timeZone]
let staleness = await staleTrainLookup()
var newRows: [TrainStatusRow] = []
for number in lookup.trainNumbers {
@ -148,16 +146,15 @@ struct ContentView: View {
where: { $0.code == code
},
)?.platform
let row = await trainStatus(
await newRows
.append(
trainStatus(
for: train,
code: code,
zone: lookup.timeZone,
cache: &zoneCache,
staleness: staleness
atStationCode: code,
timeZone: lookup.timeZone,
zoneCache: &zoneCache
)
)
if let row {
newRows.append(row)
}
}
}
@ -172,22 +169,34 @@ struct ContentView: View {
}
}
func trainStatus(
for train: Train,
code stationCode: String,
zone timeZone: TimeZone?,
cache zoneCache: inout [String: TimeZone?],
staleness: [String: TimeInterval]
) async -> TrainStatusRow? {
let leg = train.stations?.first { $0.code == stationCode }
func isOnTime(arr: String?, schArr: String?) -> TrainLateness {
guard
!isStale(leg, timeZone: timeZone) &&
!isDataStale(train.trainID, staleness: staleness)
let actualDate = amtrakDate.parsedDate(from: arr),
let scheduledDate = amtrakDate.parsedDate(from: schArr)
else {
return nil
return .unknown
}
let differenceInMinutes = Int(actualDate.timeIntervalSince(scheduledDate) / 60)
switch differenceInMinutes {
case -1...1:
return .onTime
case ..<0:
return .early(minutes: -differenceInMinutes)
default:
return .late(minutes: differenceInMinutes)
}
}
func trainStatus(
for train: Train,
atStationCode code: String,
timeZone: TimeZone?,
zoneCache: inout [String: TimeZone?]
) async -> TrainStatusRow {
let leg = train.stations?.first { $0.code == code }
let stationName = leg?.name ?? unknown
let track = leg?.platform ?? ""
@ -201,12 +210,12 @@ struct ContentView: View {
let time = amtrakDate.time(
from: leg?.arr,
in: timeZone,
comparedTo: originZone
timeZone: timeZone,
relativeTo: originZone
) ?? amtrakDate.time(
from: leg?.schArr,
in: timeZone,
comparedTo: originZone
timeZone: timeZone,
relativeTo: originZone
)
currentStation = stationName
@ -220,53 +229,14 @@ struct ContentView: View {
train: train.routeName,
to: train.destName,
from: train.origName,
status: amtrakDate.isOnTime(
actual: leg?.arr,
scheduled: leg?.schArr
status: isOnTime(
arr: leg?.arr,
schArr: leg?.schArr
),
track: track.isEmpty ? "" : track
)
}
func isStale(_ leg: Station?, timeZone: TimeZone?) -> Bool {
guard leg?.status == .departed else { return false }
guard
let deparatureDate = amtrakDate.parsedDate(
from: leg?.dep
) ?? amtrakDate.parsedDate(from: leg?.schDep)
else {
return false
}
var calendar = Calendar.current
calendar.timeZone = timeZone ?? .current
return calendar
.compare(
deparatureDate,
to: Date(),
toGranularity: .day
) == .orderedAscending
}
func isDataStale(
_ trainId: String,
staleness: [String: TimeInterval]
) -> Bool {
guard let timeSince = staleness[trainId] else { return false }
return timeSince > staleDataThreshold
}
func staleTrainLookup() async -> [String: TimeInterval] {
guard let staleData = try? await client.fetchStaleStatus() else {
return [:]
}
return Dictionary(
staleData.lastUpdatedArr.map { ( $0.trainID, $0.timeSince) },
uniquingKeysWith: { first, _ in first }
)
}
func fetchTimeZone(forStationCode code: String, cache: inout [String: TimeZone?]) async -> TimeZone? {
if let cached = cache[code] {
return cached

View file

@ -81,15 +81,9 @@ struct StationMeta: Codable {
}
struct StaleData: Codable {
var activeTrains: Int
var avgLastUpdate: Double
var lastUpdatedArr: [TrainFreshness]
var medianLastUpdate: Double
}
struct TrainFreshness: Codable, Sendable {
var trainID: String
var timeSince: Double
var activeTrains: Int
var stale: Bool
}
typealias TrainResponse = [String: [Train]]
@ -105,6 +99,6 @@ struct TrainStatusRow: Identifiable {
var train: String
var to: String
var from: String
var status: LateTrain
var status: TrainLateness
var track: String
}

View file

@ -1,7 +1,7 @@
import Foundation
import SwiftCrossUI
enum LateTrain {
enum TrainLateness {
case onTime
case early(minutes: Int)
case late(minutes: Int)