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bastiaanvbastiaanv
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feature: Live Activity (LoopKit#2191)
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-12
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‎Loop Widget Extension/Bootstrap/Bootstrap.swift‎

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//
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// Bootstrap.swift
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// Loop Widget Extension
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//
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// Created by Bastiaan Verhaar on 25/06/2024.
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// Copyright © 2024 LoopKit Authors. All rights reserved.
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//
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import Foundation
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class Bootstrap{}

‎Loop Widget Extension/Helpers/LocalizedString.swift‎

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//
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// LocalizedString.swift
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// Loop Widget Extension
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//
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// Created by Bastiaan Verhaar on 25/06/2024.
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// Copyright © 2024 LoopKit Authors. All rights reserved.
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//
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import Foundation
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private class FrameworkBundle {
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static let main = Bundle(for: Bootstrap.self)
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}
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func LocalizedString(_ key: String, tableName: String? = nil, value: String? = nil, comment: String) -> String {
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if let value = value {
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return NSLocalizedString(key, tableName: tableName, bundle: FrameworkBundle.main, value: value, comment: comment)
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} else {
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return NSLocalizedString(key, tableName: tableName, bundle: FrameworkBundle.main, comment: comment)
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}
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}

‎Loop Widget Extension/Live Activity/BasalViewActivity.swift‎

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//
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// BasalView.swift
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// Loop
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//
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// Created by Noah Brauner on 8/15/22.
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// Copyright © 2022 LoopKit Authors. All rights reserved.
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//
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import SwiftUI
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struct BasalViewActivity: View {
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let percent: Double
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let rate: Double
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var body: some View {
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VStack(spacing: 1) {
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BasalRateView(percent: percent)
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.overlay(
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BasalRateView(percent: percent)
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.stroke(Color("insulin"), lineWidth: 2)
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)
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.foregroundColor(Color("insulin").opacity(0.5))
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.frame(width: 44, height: 22)
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if let rateString = decimalFormatter.string(from: NSNumber(value: rate)) {
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Text("\(rateString)U")
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.font(.subheadline)
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}
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else {
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Text("-U")
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.font(.subheadline)
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}
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}
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}
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private let decimalFormatter: NumberFormatter = {
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let formatter = NumberFormatter()
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formatter.numberStyle = .decimal
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formatter.minimumFractionDigits = 1
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formatter.minimumIntegerDigits = 1
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formatter.positiveFormat = "+0.0##"
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formatter.negativeFormat = "-0.0##"
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return formatter
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}()
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}

‎Loop Widget Extension/Live Activity/ChartView.swift‎

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//
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// ChartValues.swift
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// Loop Widget Extension
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//
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// Created by Bastiaan Verhaar on 25/06/2024.
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// Copyright © 2024 LoopKit Authors. All rights reserved.
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//
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import Foundation
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import SwiftUI
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import Charts
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@available(iOS 16.2, *)
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struct ChartView: View {
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private let glucoseSampleData: [ChartValues]
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private let predicatedData: [ChartValues]
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private let glucoseRanges: [GlucoseRangeValue]
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private let preset: Preset?
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private let yAxisMarks: [Double]
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init(glucoseSamples: [GlucoseSampleAttributes], predicatedGlucose: [Double], predicatedStartDate: Date?, predicatedInterval: TimeInterval?, useLimits: Bool, lowerLimit: Double, upperLimit: Double, glucoseRanges: [GlucoseRangeValue], preset: Preset?, yAxisMarks: [Double]) {
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self.glucoseSampleData = ChartValues.convert(data: glucoseSamples, useLimits: useLimits, lowerLimit: lowerLimit, upperLimit: upperLimit)
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self.predicatedData = ChartValues.convert(
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data: predicatedGlucose,
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startDate: predicatedStartDate ?? Date.now,
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interval: predicatedInterval ?? .minutes(5),
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useLimits: useLimits,
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lowerLimit: lowerLimit,
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upperLimit: upperLimit
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)
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self.preset = preset
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self.glucoseRanges = glucoseRanges
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self.yAxisMarks = yAxisMarks
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}
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init(glucoseSamples: [GlucoseSampleAttributes], useLimits: Bool, lowerLimit: Double, upperLimit: Double, glucoseRanges: [GlucoseRangeValue], preset: Preset?, yAxisMarks: [Double]) {
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self.glucoseSampleData = ChartValues.convert(data: glucoseSamples, useLimits: useLimits, lowerLimit: lowerLimit, upperLimit: upperLimit)
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self.predicatedData = []
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self.preset = preset
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self.glucoseRanges = glucoseRanges
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self.yAxisMarks = yAxisMarks
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}
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var body: some View {
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ZStack(alignment: Alignment(horizontal: .trailing, vertical: .top)){
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Chart {
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if let preset = self.preset, predicatedData.count > 0, preset.endDate > Date.now.addingTimeInterval(.hours(-6)) {
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RectangleMark(
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xStart: .value("Start", preset.startDate),
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xEnd: .value("End", preset.endDate),
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yStart: .value("Preset override", preset.minValue),
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yEnd: .value("Preset override", preset.maxValue)
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)
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.foregroundStyle(.primary)
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.opacity(0.6)
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}
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ForEach(glucoseRanges) { item in
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RectangleMark(
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xStart: .value("Start", item.startDate),
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xEnd: .value("End", item.endDate),
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yStart: .value("Glucose range", item.minValue),
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yEnd: .value("Glucose range", item.maxValue)
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)
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.foregroundStyle(.primary)
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.opacity(0.3)
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}
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ForEach(glucoseSampleData) { item in
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PointMark (x: .value("Date", item.x),
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y: .value("Glucose level", item.y)
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)
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.symbolSize(10)
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.foregroundStyle(by: .value("Color", item.color))
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}
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ForEach(predicatedData) { item in
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LineMark (x: .value("Date", item.x),
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y: .value("Glucose level", item.y)
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)
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.lineStyle(StrokeStyle(lineWidth: 2, dash: [6, 5]))
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.foregroundStyle(by: .value("Color", item.color))
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}
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}
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.chartForegroundStyleScale([
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"Good": .green,
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"High": .orange,
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"Low": .red,
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"Default": Color("glucose")
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])
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.chartPlotStyle { plotContent in
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plotContent.background(.cyan.opacity(0.15))
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}
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.chartLegend(.hidden)
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.chartYScale(domain: [yAxisMarks.first ?? 0, yAxisMarks.last ?? 0])
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.chartYAxis {
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AxisMarks(values: yAxisMarks)
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}
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.chartYAxis {
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AxisMarks(position: .leading) { _ in
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AxisValueLabel().foregroundStyle(Color.primary)
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AxisGridLine(stroke: .init(lineWidth: 0.1, dash: [2, 3]))
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.foregroundStyle(Color.primary)
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}
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}
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.chartXAxis {
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AxisMarks(position: .automatic, values: .stride(by: .hour)) { _ in
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AxisValueLabel(format: .dateTime.hour(.twoDigits(amPM: .narrow)), anchor: .top)
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.foregroundStyle(Color.primary)
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AxisGridLine(stroke: .init(lineWidth: 0.1, dash: [2, 3]))
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.foregroundStyle(Color.primary)
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}
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}
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if let preset = self.preset, preset.endDate > Date.now {
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Text(preset.title)
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.font(.footnote)
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.padding(.trailing, 5)
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.padding(.top, 2)
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}
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}
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}
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}
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struct ChartValues: Identifiable {
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public let id: UUID
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public let x: Date
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public let y: Double
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public let color: String
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init(x: Date, y: Double, color: String) {
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self.id = UUID()
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self.x = x
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self.y = y
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self.color = color
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}
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static func convert(data: [Double], startDate: Date, interval: TimeInterval, useLimits: Bool, lowerLimit: Double, upperLimit: Double) -> [ChartValues] {
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let twoHours = Date.now.addingTimeInterval(.hours(4))
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return data.enumerated().filter { (index, item) in
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return startDate.addingTimeInterval(interval * Double(index)) < twoHours
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}.map { (index, item) in
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return ChartValues(
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x: startDate.addingTimeInterval(interval * Double(index)),
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y: item,
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color: !useLimits ? "Default" : item < lowerLimit ? "Low" : item > upperLimit ? "High" : "Good"
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)
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}
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}
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static func convert(data: [GlucoseSampleAttributes], useLimits: Bool, lowerLimit: Double, upperLimit: Double) -> [ChartValues] {
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return data.map { item in
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return ChartValues(
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x: item.x,
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y: item.y,
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color: !useLimits ? "Default" : item.y < lowerLimit ? "Low" : item.y > upperLimit ? "High" : "Good"
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)
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}
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}
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}

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