105 lines
4.3 KiB
Swift
105 lines
4.3 KiB
Swift
//
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// XDripWidget+Provider.swift
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// xDrip Widget Extension
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//
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// Created by Paul Plant on 4/3/24.
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// Copyright © 2024 Johan Degraeve. All rights reserved.
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//
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import SwiftUI
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import WidgetKit
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import Foundation
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extension XDripWidget {
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struct Provider: TimelineProvider {
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func placeholder(in context: Context) -> Entry {
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.placeholder
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}
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func getSnapshot(in context: Context, completion: @escaping (Entry) -> ()) {
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completion(.placeholder)
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}
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func getTimeline(in context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
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let entry = Entry(date: .now, widgetState: getWidgetStateFromSharedUserDefaults() ?? sampleWidgetStateFromProvider)
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completion(.init(entries: [entry], policy: .atEnd))
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}
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}
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}
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// MARK: - Helpers
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extension XDripWidget.Provider {
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func getWidgetStateFromSharedUserDefaults() -> XDripWidget.Entry.WidgetState? {
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guard let sharedUserDefaults = UserDefaults(suiteName: Bundle.main.appGroupSuiteName) else {return nil}
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guard let encodedLatestReadings = sharedUserDefaults.data(forKey: "widgetSharedUserDefaults.\(Bundle.main.mainAppBundleIdentifier)") else {
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return nil
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}
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let decoder = JSONDecoder()
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do {
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let data = try decoder.decode(WidgetSharedUserDefaultsModel.self, from: encodedLatestReadings)
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// because dates aren't Codable we stored them as doubles
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// we need to convert the bgReadingDatesAsDouble key values to an array of real dates
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let bgReadingDates: [Date] = data.bgReadingDatesAsDouble.map { date in
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Date(timeIntervalSince1970: date)
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}
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return Entry.WidgetState(bgReadingValues: data.bgReadingValues, bgReadingDates: bgReadingDates, isMgDl: data.isMgDl, slopeOrdinal: data.slopeOrdinal, deltaChangeInMgDl: data.deltaChangeInMgDl, urgentLowLimitInMgDl: data.urgentLowLimitInMgDl, lowLimitInMgDl: data.lowLimitInMgDl, highLimitInMgDl: data.highLimitInMgDl, urgentHighLimitInMgDl: data.urgentHighLimitInMgDl, dataSourceDescription: data.dataSourceDescription, keepAliveImageString: data.keepAliveImageString)
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} catch {
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print(error.localizedDescription)
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}
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return sampleWidgetStateFromProvider
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}
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private var sampleWidgetStateFromProvider: XDripWidget.Entry.WidgetState {
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func bgDateArray() -> [Date] {
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let endDate = Date()
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let startDate = endDate.addingTimeInterval(-3600 * 12)
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var currentDate = startDate
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var dateArray: [Date] = []
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while currentDate < endDate {
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dateArray.append(currentDate)
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currentDate = currentDate.addingTimeInterval(60 * 5)
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}
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return dateArray
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}
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func bgValueArray() -> [Double] {
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var bgValueArray:[Double] = Array(repeating: 0, count: 144)
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var currentValue: Double = 100
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var increaseValues: Bool = true
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for index in bgValueArray.indices {
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let randomValue = Double(Int.random(in: -10..<10))
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if currentValue < 75 {
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increaseValues = true
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bgValueArray[index] = currentValue + abs(randomValue)
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} else if currentValue > 150 {
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increaseValues = false
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bgValueArray[index] = currentValue - abs(randomValue)
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} else {
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bgValueArray[index] = currentValue + (increaseValues ? randomValue : -randomValue)
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}
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currentValue = bgValueArray[index]
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}
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return bgValueArray
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}
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return Entry.WidgetState(bgReadingValues: bgValueArray(), bgReadingDates: bgDateArray(), isMgDl: true, slopeOrdinal: 1, deltaChangeInMgDl: 0, urgentLowLimitInMgDl: ConstantsBGGraphBuilder.defaultUrgentLowMarkInMgdl, lowLimitInMgDl: ConstantsBGGraphBuilder.defaultLowMarkInMgdl, highLimitInMgDl: ConstantsBGGraphBuilder.defaultHighMarkInMgdl, urgentHighLimitInMgDl: ConstantsBGGraphBuilder.defaultUrgentHighMarkInMgdl, dataSourceDescription: "Dexcom G6", keepAliveImageString: nil)
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}
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}
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