MainChartView2.swift 29 KB

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  1. import Charts
  2. import SwiftUI
  3. let screenSize: CGRect = UIScreen.main.bounds
  4. let calendar = Calendar.current
  5. private struct BasalProfile: Hashable {
  6. let amount: Double
  7. var isOverwritten: Bool
  8. let startDate: Date
  9. let endDate: Date?
  10. init(amount: Double, isOverwritten: Bool, startDate: Date, endDate: Date? = nil) {
  11. self.amount = amount
  12. self.isOverwritten = isOverwritten
  13. self.startDate = startDate
  14. self.endDate = endDate
  15. }
  16. }
  17. private struct Prediction: Hashable {
  18. let amount: Int
  19. let timestamp: Date
  20. let type: PredictionType
  21. }
  22. private struct Carb: Hashable {
  23. let amount: Decimal
  24. let timestamp: Date
  25. let nearestGlucose: BloodGlucose
  26. }
  27. private struct ChartBolus: Hashable {
  28. let amount: Decimal
  29. let timestamp: Date
  30. let nearestGlucose: BloodGlucose
  31. }
  32. private struct ChartTempTarget: Hashable {
  33. let amount: Decimal
  34. let start: Date
  35. let end: Date
  36. }
  37. private enum PredictionType: Hashable {
  38. case iob
  39. case cob
  40. case zt
  41. case uam
  42. }
  43. struct MainChartView2: View {
  44. private enum Config {
  45. static let bolusSize: CGFloat = 4
  46. static let bolusScale: CGFloat = 2.5
  47. static let carbsSize: CGFloat = 5
  48. static let carbsScale: CGFloat = 0.3
  49. static let fpuSize: CGFloat = 5
  50. }
  51. @Binding var glucose: [BloodGlucose]
  52. @Binding var eventualBG: Int?
  53. @Binding var suggestion: Suggestion?
  54. @Binding var tempBasals: [PumpHistoryEvent]
  55. @Binding var boluses: [PumpHistoryEvent]
  56. @Binding var suspensions: [PumpHistoryEvent]
  57. @Binding var announcement: [Announcement]
  58. @Binding var hours: Int
  59. @Binding var maxBasal: Decimal
  60. @Binding var autotunedBasalProfile: [BasalProfileEntry]
  61. @Binding var basalProfile: [BasalProfileEntry]
  62. @Binding var tempTargets: [TempTarget]
  63. @Binding var carbs: [CarbsEntry]
  64. @Binding var smooth: Bool
  65. @Binding var highGlucose: Decimal
  66. @Binding var lowGlucose: Decimal
  67. @Binding var screenHours: Int16
  68. @Binding var displayXgridLines: Bool
  69. @Binding var displayYgridLines: Bool
  70. @Binding var thresholdLines: Bool
  71. @State var didAppearTrigger = false
  72. @State private var BasalProfiles: [BasalProfile] = []
  73. @State private var TempBasals: [PumpHistoryEvent] = []
  74. @State private var ChartTempTargets: [ChartTempTarget] = []
  75. @State private var Predictions: [Prediction] = []
  76. @State private var ChartCarbs: [Carb] = []
  77. @State private var ChartFpus: [Carb] = []
  78. @State private var ChartBoluses: [ChartBolus] = []
  79. @State private var startMarker = Date(timeIntervalSince1970: TimeInterval(NSDate().timeIntervalSince1970 - 86400))
  80. @State private var endMarker = Date(timeIntervalSince1970: TimeInterval(NSDate().timeIntervalSince1970 + 10800))
  81. private var bolusFormatter: NumberFormatter {
  82. let formatter = NumberFormatter()
  83. formatter.numberStyle = .decimal
  84. formatter.minimumIntegerDigits = 0
  85. formatter.maximumFractionDigits = 2
  86. formatter.decimalSeparator = "."
  87. return formatter
  88. }
  89. private var carbsFormatter: NumberFormatter {
  90. let formatter = NumberFormatter()
  91. formatter.numberStyle = .decimal
  92. formatter.maximumFractionDigits = 0
  93. return formatter
  94. }
  95. private var fpuFormatter: NumberFormatter {
  96. let formatter = NumberFormatter()
  97. formatter.numberStyle = .decimal
  98. formatter.maximumFractionDigits = 1
  99. formatter.decimalSeparator = "."
  100. formatter.minimumIntegerDigits = 0
  101. return formatter
  102. }
  103. var body: some View {
  104. VStack(alignment: .center, spacing: 8, content: {
  105. ScrollViewReader { scroller in
  106. ScrollView(.horizontal, showsIndicators: false) {
  107. VStack {
  108. MainChart()
  109. BasalChart()
  110. .padding(.bottom, 8)
  111. }.onChange(of: screenHours) { _ in
  112. scroller.scrollTo("MainChart", anchor: .trailing)
  113. }.onAppear {
  114. scroller.scrollTo("MainChart", anchor: .trailing)
  115. }.onChange(of: glucose) { _ in
  116. scroller.scrollTo("MainChart", anchor: .trailing)
  117. }
  118. .onChange(of: suggestion) { _ in
  119. scroller.scrollTo("MainChart", anchor: .trailing)
  120. }
  121. .onChange(of: tempBasals) { _ in
  122. scroller.scrollTo("MainChart", anchor: .trailing)
  123. }
  124. }
  125. }
  126. Legend()
  127. })
  128. }
  129. }
  130. // MARK: Components
  131. extension MainChartView2 {
  132. private func MainChart() -> some View {
  133. VStack {
  134. Chart {
  135. if thresholdLines {
  136. RuleMark(y: .value("High", highGlucose)).foregroundStyle(Color.loopYellow)
  137. .lineStyle(.init(lineWidth: 1, dash: [2]))
  138. RuleMark(y: .value("Low", lowGlucose)).foregroundStyle(Color.loopRed)
  139. .lineStyle(.init(lineWidth: 1, dash: [2]))
  140. }
  141. RuleMark(
  142. x: .value(
  143. "",
  144. startMarker,
  145. unit: .second
  146. )
  147. ).foregroundStyle(.clear)
  148. RuleMark(
  149. x: .value(
  150. "",
  151. Date(timeIntervalSince1970: TimeInterval(NSDate().timeIntervalSince1970)),
  152. unit: .second
  153. )
  154. ).lineStyle(.init(lineWidth: 1, dash: [2]))
  155. RuleMark(
  156. x: .value(
  157. "",
  158. endMarker,
  159. unit: .second
  160. )
  161. ).foregroundStyle(.clear)
  162. ForEach(ChartCarbs, id: \.self) { carb in
  163. let carbAmount = carb.amount
  164. PointMark(
  165. x: .value("Time", carb.timestamp, unit: .second),
  166. y: .value("Value", carb.nearestGlucose.sgv ?? 120)
  167. )
  168. .symbolSize((Config.carbsSize + CGFloat(carbAmount) * Config.carbsScale) * 10)
  169. .foregroundStyle(Color.orange)
  170. .annotation(position: .top) {
  171. Text(bolusFormatter.string(from: carbAmount as NSNumber)!).font(.caption2)
  172. }
  173. }
  174. ForEach(ChartFpus, id: \.self) { fpu in
  175. let fpuAmount = fpu.amount
  176. PointMark(
  177. x: .value("Time", fpu.timestamp, unit: .second),
  178. y: .value("Value", fpu.nearestGlucose.sgv ?? 120)
  179. )
  180. .symbolSize((Config.fpuSize + CGFloat(fpuAmount) * Config.carbsScale) * 10)
  181. .foregroundStyle(Color.brown)
  182. .annotation(position: .top) {
  183. Text(bolusFormatter.string(from: fpuAmount as NSNumber)!).font(.caption2)
  184. }
  185. }
  186. ForEach(ChartBoluses, id: \.self) { bolus in
  187. let bolusAmount = bolus.amount
  188. PointMark(
  189. x: .value("Time", bolus.timestamp, unit: .second),
  190. y: .value("Value", bolus.nearestGlucose.sgv ?? 120)
  191. )
  192. .symbolSize((Config.bolusSize + CGFloat(bolusAmount) * Config.bolusScale) * 10)
  193. .foregroundStyle(Color.insulin)
  194. .annotation(position: .bottom) {
  195. Text(bolusFormatter.string(from: bolusAmount as NSNumber)!).font(.caption2)
  196. }
  197. }
  198. // MARK: this code causes 'compiler is unable to type-check this expression'-error
  199. ForEach(ChartTempTargets, id: \.self) { tt in
  200. let randomString = UUID().uuidString
  201. LineMark(
  202. x: .value("Time", tt.start),
  203. y: .value("Value", tt.amount),
  204. series: .value("tt", randomString)
  205. )
  206. .foregroundStyle(Color.purple).lineStyle(.init(lineWidth: 8, dash: [2, 3]))
  207. LineMark(
  208. x: .value("Time", tt.end),
  209. y: .value("Value", tt.amount),
  210. series: .value("tt", randomString)
  211. )
  212. .foregroundStyle(Color.purple).lineStyle(.init(lineWidth: 8, dash: [2, 3]))
  213. }
  214. ForEach(Predictions, id: \.self) { info in
  215. if info.type == .uam {
  216. LineMark(
  217. x: .value("Time", info.timestamp, unit: .second),
  218. y: .value("Value", info.amount),
  219. series: .value("uam", "uam")
  220. ).foregroundStyle(Color.uam).symbolSize(16)
  221. }
  222. if info.type == .cob {
  223. LineMark(
  224. x: .value("Time", info.timestamp, unit: .second),
  225. y: .value("Value", info.amount),
  226. series: .value("cob", "cob")
  227. ).foregroundStyle(Color.orange).symbolSize(16)
  228. }
  229. if info.type == .iob {
  230. LineMark(
  231. x: .value("Time", info.timestamp, unit: .second),
  232. y: .value("Value", info.amount),
  233. series: .value("iob", "iob")
  234. ).foregroundStyle(Color.insulin).symbolSize(16)
  235. }
  236. if info.type == .zt {
  237. LineMark(
  238. x: .value("Time", info.timestamp, unit: .second),
  239. y: .value("Value", info.amount),
  240. series: .value("zt", "zt")
  241. ).foregroundStyle(Color.zt).symbolSize(16)
  242. }
  243. }
  244. ForEach(glucose) {
  245. if let sgv = $0.sgv {
  246. /* let color: Color
  247. if sgv < lowGlucose {
  248. color = Color.red
  249. } else if sgv > highGlucose {
  250. color = Color.loopYellow
  251. } else {
  252. color = Color.green
  253. }*/
  254. PointMark(
  255. x: .value("Time", $0.dateString, unit: .second),
  256. y: .value("Value", sgv)
  257. // series: .value("Value", "unsmooth")
  258. ).foregroundStyle(Color.green.gradient).symbolSize(16)
  259. if smooth {
  260. LineMark(
  261. x: .value("Time", $0.dateString, unit: .second),
  262. y: .value("Value", sgv)
  263. // series: .value("Value", "smooth")
  264. ).foregroundStyle(Color.green.gradient).symbolSize(16)
  265. .interpolationMethod(.cardinal)
  266. }
  267. }
  268. }
  269. }.id("MainChart")
  270. .onChange(of: glucose) { _ in
  271. calculatePredictions()
  272. }
  273. .onChange(of: carbs) { _ in
  274. calculateCarbs()
  275. calculateFpus()
  276. }
  277. .onChange(of: boluses) { _ in
  278. calculateBoluses()
  279. }
  280. .onChange(of: tempTargets) { _ in
  281. calculateTTs()
  282. }
  283. .onChange(of: didAppearTrigger) { _ in
  284. calculatePredictions()
  285. calculateTTs()
  286. }.onChange(of: suggestion) { _ in
  287. calculatePredictions()
  288. }
  289. .onReceive(
  290. Foundation.NotificationCenter.default
  291. .publisher(for: UIApplication.willEnterForegroundNotification)
  292. ) { _ in
  293. calculatePredictions()
  294. }
  295. .frame(
  296. width: max(0, screenSize.width - 20, fullWidth(viewWidth: screenSize.width)),
  297. height: UIScreen.main.bounds.height / 3.5
  298. )
  299. // .chartYScale(domain: 0 ... 450)
  300. .chartXAxis {
  301. AxisMarks(values: .stride(by: .hour, count: 2)) { _ in
  302. if displayXgridLines {
  303. AxisGridLine(stroke: .init(lineWidth: 0.5, dash: [2, 3]))
  304. } else {
  305. AxisGridLine(stroke: .init(lineWidth: 0, dash: [2, 3]))
  306. }
  307. }
  308. }.chartYAxis {
  309. AxisMarks(position: .trailing, values: .stride(by: 100)) { value in
  310. if displayYgridLines {
  311. AxisGridLine(stroke: .init(lineWidth: 0.5, dash: [2, 3]))
  312. } else {
  313. AxisGridLine(stroke: .init(lineWidth: 0, dash: [2, 3]))
  314. }
  315. if let glucoseValue = value.as(Double.self), glucoseValue > 0 {
  316. AxisTick(length: 4, stroke: .init(lineWidth: 4))
  317. .foregroundStyle(Color.gray)
  318. AxisValueLabel()
  319. }
  320. }
  321. }
  322. .aspectRatio(1, contentMode: .fit)
  323. }
  324. }
  325. func BasalChart() -> some View {
  326. VStack {
  327. Chart {
  328. RuleMark(
  329. x: .value(
  330. "",
  331. startMarker,
  332. unit: .second
  333. )
  334. ).foregroundStyle(.clear)
  335. RuleMark(
  336. x: .value(
  337. "",
  338. Date(timeIntervalSince1970: TimeInterval(NSDate().timeIntervalSince1970)),
  339. unit: .second
  340. )
  341. ).lineStyle(.init(lineWidth: 1, dash: [2]))
  342. RuleMark(
  343. x: .value(
  344. "",
  345. endMarker,
  346. unit: .second
  347. )
  348. ).foregroundStyle(.clear)
  349. ForEach(TempBasals) {
  350. BarMark(
  351. x: .value("Time", $0.timestamp),
  352. y: .value("Rate", $0.rate ?? 0)
  353. )
  354. }
  355. ForEach(BasalProfiles, id: \.self) { profile in
  356. LineMark(
  357. x: .value("Start Date", profile.startDate),
  358. y: .value("Amount", profile.amount),
  359. series: .value("profile", "profile")
  360. ).lineStyle(.init(lineWidth: 2, dash: [2, 3]))
  361. LineMark(
  362. x: .value("End Date", profile.endDate ?? endMarker),
  363. y: .value("Amount", profile.amount),
  364. series: .value("profile", "profile")
  365. ).lineStyle(.init(lineWidth: 2, dash: [2, 3]))
  366. }
  367. }.onChange(of: tempBasals) { _ in
  368. calculateBasals()
  369. calculateTempBasals()
  370. }
  371. .onChange(of: maxBasal) { _ in
  372. calculateBasals()
  373. calculateTempBasals()
  374. }
  375. .onChange(of: autotunedBasalProfile) { _ in
  376. calculateBasals()
  377. calculateTempBasals()
  378. }
  379. .onChange(of: didAppearTrigger) { _ in
  380. calculateBasals()
  381. calculateTempBasals()
  382. }.onChange(of: basalProfile) { _ in
  383. calculateBasals()
  384. calculateTempBasals()
  385. }
  386. // .frame(height: 80)
  387. .frame(
  388. width: max(0, screenSize.width - 20, fullWidth(viewWidth: screenSize.width)),
  389. height: UIScreen.main.bounds.height / 10
  390. )
  391. // .chartYScale(domain: 0 ... maxBasal)
  392. // .rotationEffect(.degrees(180))
  393. // .chartXAxis(.hidden)
  394. .chartXAxis {
  395. AxisMarks(values: .stride(by: .hour, count: screenHours == 24 ? 4 : 2)) { _ in
  396. if displayXgridLines {
  397. AxisGridLine(stroke: .init(lineWidth: 0.5, dash: [2, 3]))
  398. } else {
  399. AxisGridLine(stroke: .init(lineWidth: 0, dash: [2, 3]))
  400. }
  401. // AxisValueLabel(format: .dateTime.hour(.defaultDigits(amPM: .narrow)), anchor: .top)
  402. AxisValueLabel(format: .dateTime.hour())
  403. }
  404. }.chartYAxis {
  405. AxisMarks(position: .trailing, values: .stride(by: 1)) { _ in
  406. if displayYgridLines {
  407. AxisGridLine(stroke: .init(lineWidth: 0.5, dash: [2, 3]))
  408. } else {
  409. AxisGridLine(stroke: .init(lineWidth: 0, dash: [2, 3]))
  410. }
  411. AxisTick(length: 4, stroke: .init(lineWidth: 4))
  412. .foregroundStyle(Color.gray)
  413. AxisValueLabel()
  414. }
  415. }
  416. }
  417. }
  418. private func Legend() -> some View {
  419. ZStack {
  420. Capsule(style: .circular).foregroundStyle(.gray.opacity(0.1)).padding(.horizontal, 30)
  421. HStack {
  422. Image(systemName: "line.diagonal")
  423. .fontWeight(.bold)
  424. .rotationEffect(Angle(degrees: 45))
  425. .foregroundColor(.green)
  426. Text("BG")
  427. .foregroundColor(.secondary)
  428. Spacer()
  429. Image(systemName: "line.diagonal")
  430. .fontWeight(.bold)
  431. .rotationEffect(Angle(degrees: 45))
  432. .foregroundColor(.insulin)
  433. Text("IOB")
  434. .foregroundColor(.secondary)
  435. Spacer()
  436. Image(systemName: "line.diagonal")
  437. .fontWeight(.bold)
  438. .rotationEffect(Angle(degrees: 45))
  439. .foregroundColor(.purple)
  440. Text("ZT")
  441. .foregroundColor(.secondary)
  442. Spacer()
  443. Image(systemName: "line.diagonal")
  444. .fontWeight(.bold)
  445. .frame(height: 10)
  446. .rotationEffect(Angle(degrees: 45))
  447. .foregroundColor(.loopYellow)
  448. Text("COB")
  449. .foregroundColor(.secondary)
  450. Spacer()
  451. Image(systemName: "line.diagonal")
  452. .fontWeight(.bold)
  453. .rotationEffect(Angle(degrees: 45))
  454. .foregroundColor(.orange)
  455. Text("UAM")
  456. .foregroundColor(.secondary)
  457. if eventualBG != nil {
  458. Text("⇢ " + String(eventualBG ?? 0))
  459. }
  460. }
  461. .font(.caption2)
  462. .padding(.horizontal, 40)
  463. .padding(.vertical, 1)
  464. }
  465. }
  466. }
  467. // MARK: Calculations
  468. extension MainChartView2 {
  469. private func timeToNearestGlucose(time: TimeInterval) -> BloodGlucose {
  470. var nextIndex = 0
  471. if glucose.last?.dateString.timeIntervalSince1970 ?? Date().timeIntervalSince1970 < time {
  472. return glucose.last ?? BloodGlucose(
  473. date: 0,
  474. dateString: Date(),
  475. unfiltered: nil,
  476. filtered: nil,
  477. noise: nil,
  478. type: nil
  479. )
  480. }
  481. for (index, value) in glucose.enumerated() {
  482. if value.dateString.timeIntervalSince1970 > time {
  483. nextIndex = index
  484. print("Break", value.dateString.timeIntervalSince1970, time)
  485. break
  486. }
  487. }
  488. return glucose[nextIndex]
  489. }
  490. private func fullWidth(viewWidth: CGFloat) -> CGFloat {
  491. viewWidth * CGFloat(hours) / CGFloat(min(max(screenHours, 2), 24))
  492. }
  493. private func calculateCarbs() {
  494. var calculatedCarbs: [Carb] = []
  495. carbs.forEach { carb in
  496. let bg = timeToNearestGlucose(time: carb.createdAt.timeIntervalSince1970)
  497. calculatedCarbs.append(Carb(amount: carb.carbs, timestamp: carb.createdAt, nearestGlucose: bg))
  498. }
  499. ChartCarbs = calculatedCarbs
  500. }
  501. private func calculateFpus() {
  502. var calculatedFpus: [Carb] = []
  503. let fpus = carbs.filter { $0.isFPU ?? false }
  504. fpus.forEach { fpu in
  505. let bg = timeToNearestGlucose(time: fpu.createdAt.timeIntervalSince1970)
  506. calculatedFpus.append(Carb(amount: fpu.carbs, timestamp: fpu.actualDate ?? Date(), nearestGlucose: bg))
  507. }
  508. ChartFpus = calculatedFpus
  509. }
  510. private func calculateBoluses() {
  511. var calculatedBoluses: [ChartBolus] = []
  512. boluses.forEach { bolus in
  513. let bg = timeToNearestGlucose(time: bolus.timestamp.timeIntervalSince1970)
  514. calculatedBoluses.append(ChartBolus(amount: bolus.amount ?? 0, timestamp: bolus.timestamp, nearestGlucose: bg))
  515. }
  516. ChartBoluses = calculatedBoluses
  517. }
  518. private func calculateTTs() {
  519. var calculatedTTs: [ChartTempTarget] = []
  520. tempTargets.forEach { tt in
  521. let end = tt.createdAt.addingTimeInterval(TimeInterval(tt.duration * 60))
  522. if tt.targetTop != nil {
  523. calculatedTTs
  524. .append(ChartTempTarget(amount: tt.targetTop ?? 0, start: tt.createdAt, end: end))
  525. }
  526. }
  527. ChartTempTargets = calculatedTTs
  528. }
  529. private func calculatePredictions() {
  530. var calculatedPredictions: [Prediction] = []
  531. let uam = suggestion?.predictions?.uam ?? []
  532. let iob = suggestion?.predictions?.iob ?? []
  533. let cob = suggestion?.predictions?.cob ?? []
  534. let zt = suggestion?.predictions?.zt ?? []
  535. guard let deliveredAt = suggestion?.deliverAt else {
  536. return
  537. }
  538. uam.indices.forEach { index in
  539. let predTime = Date(
  540. timeIntervalSince1970: deliveredAt.timeIntervalSince1970 + TimeInterval(index) * 5.minutes
  541. .timeInterval
  542. )
  543. if predTime.timeIntervalSince1970 < endMarker.timeIntervalSince1970 {
  544. calculatedPredictions.append(
  545. Prediction(amount: uam[index], timestamp: predTime, type: .uam)
  546. )
  547. }
  548. }
  549. iob.indices.forEach { index in
  550. let predTime = Date(
  551. timeIntervalSince1970: deliveredAt.timeIntervalSince1970 + TimeInterval(index) * 5.minutes
  552. .timeInterval
  553. )
  554. if predTime.timeIntervalSince1970 < endMarker.timeIntervalSince1970 {
  555. calculatedPredictions.append(
  556. Prediction(amount: iob[index], timestamp: predTime, type: .iob)
  557. )
  558. }
  559. }
  560. cob.indices.forEach { index in
  561. let predTime = Date(
  562. timeIntervalSince1970: deliveredAt.timeIntervalSince1970 + TimeInterval(index) * 5.minutes
  563. .timeInterval
  564. )
  565. if predTime.timeIntervalSince1970 < endMarker.timeIntervalSince1970 {
  566. calculatedPredictions.append(
  567. Prediction(amount: cob[index], timestamp: predTime, type: .cob)
  568. )
  569. }
  570. }
  571. zt.indices.forEach { index in
  572. let predTime = Date(
  573. timeIntervalSince1970: deliveredAt.timeIntervalSince1970 + TimeInterval(index) * 5.minutes
  574. .timeInterval
  575. )
  576. if predTime.timeIntervalSince1970 < endMarker.timeIntervalSince1970 {
  577. calculatedPredictions.append(
  578. Prediction(amount: zt[index], timestamp: predTime, type: .zt)
  579. )
  580. }
  581. }
  582. Predictions = calculatedPredictions
  583. }
  584. private func getLastUam() -> Int {
  585. let uam = suggestion?.predictions?.uam ?? []
  586. return uam.last ?? 0
  587. }
  588. private func calculateTempBasals() {
  589. var basals = tempBasals
  590. var returnTempBasalRates: [PumpHistoryEvent] = []
  591. var finished: [Int: Bool] = [:]
  592. basals.indices.forEach { i in
  593. basals.indices.forEach { j in
  594. if basals[i].timestamp == basals[j].timestamp, i != j, !(finished[i] ?? false), !(finished[j] ?? false) {
  595. let rate = basals[i].rate ?? basals[j].rate
  596. let durationMin = basals[i].durationMin ?? basals[j].durationMin
  597. finished[i] = true
  598. if rate != 0 || durationMin != 0 {
  599. returnTempBasalRates.append(
  600. PumpHistoryEvent(
  601. id: basals[i].id, type: FreeAPS.EventType.tempBasal,
  602. timestamp: basals[i].timestamp,
  603. durationMin: durationMin,
  604. rate: rate
  605. )
  606. )
  607. }
  608. }
  609. }
  610. }
  611. TempBasals = returnTempBasalRates
  612. }
  613. private func findRegularBasalPoints(
  614. timeBegin: TimeInterval,
  615. timeEnd: TimeInterval,
  616. autotuned: Bool
  617. ) -> [BasalProfile] {
  618. guard timeBegin < timeEnd else {
  619. return []
  620. }
  621. let beginDate = Date(timeIntervalSince1970: timeBegin)
  622. let calendar = Calendar.current
  623. let startOfDay = calendar.startOfDay(for: beginDate)
  624. let profile = autotuned ? autotunedBasalProfile : basalProfile
  625. let basalNormalized = profile.map {
  626. (
  627. time: startOfDay.addingTimeInterval($0.minutes.minutes.timeInterval).timeIntervalSince1970,
  628. rate: $0.rate
  629. )
  630. } + profile.map {
  631. (
  632. time: startOfDay.addingTimeInterval($0.minutes.minutes.timeInterval + 1.days.timeInterval)
  633. .timeIntervalSince1970,
  634. rate: $0.rate
  635. )
  636. } + profile.map {
  637. (
  638. time: startOfDay.addingTimeInterval($0.minutes.minutes.timeInterval + 2.days.timeInterval)
  639. .timeIntervalSince1970,
  640. rate: $0.rate
  641. )
  642. }
  643. let basalTruncatedPoints = basalNormalized.windows(ofCount: 2)
  644. .compactMap { window -> BasalProfile? in
  645. let window = Array(window)
  646. if window[0].time < timeBegin, window[1].time < timeBegin {
  647. return nil
  648. }
  649. if window[0].time < timeBegin, window[1].time >= timeBegin {
  650. let startDate = Date(timeIntervalSince1970: timeBegin)
  651. let rate = window[0].rate
  652. return BasalProfile(amount: Double(rate), isOverwritten: false, startDate: startDate)
  653. }
  654. if window[0].time >= timeBegin, window[0].time < timeEnd {
  655. let startDate = Date(timeIntervalSince1970: window[0].time)
  656. let rate = window[0].rate
  657. return BasalProfile(amount: Double(rate), isOverwritten: false, startDate: startDate)
  658. }
  659. return nil
  660. }
  661. return basalTruncatedPoints
  662. }
  663. private func calculateBasals() {
  664. let dayAgoTime = Date().addingTimeInterval(-1.days.timeInterval).timeIntervalSince1970
  665. let firstTempTime = (tempBasals.first?.timestamp ?? Date()).timeIntervalSince1970
  666. let regularPoints = findRegularBasalPoints(
  667. timeBegin: dayAgoTime,
  668. timeEnd: endMarker.timeIntervalSince1970,
  669. autotuned: false
  670. )
  671. let autotunedBasalPoints = findRegularBasalPoints(
  672. timeBegin: dayAgoTime,
  673. timeEnd: endMarker.timeIntervalSince1970,
  674. autotuned: true
  675. )
  676. var totalBasal = regularPoints + autotunedBasalPoints
  677. totalBasal.sort {
  678. $0.startDate.timeIntervalSince1970 < $1.startDate.timeIntervalSince1970
  679. }
  680. var basals: [BasalProfile] = []
  681. totalBasal.indices.forEach { index in
  682. basals.append(BasalProfile(
  683. amount: totalBasal[index].amount,
  684. isOverwritten: totalBasal[index].isOverwritten,
  685. startDate: totalBasal[index].startDate,
  686. endDate: totalBasal.count > index + 1 ? totalBasal[index + 1].startDate : endMarker
  687. ))
  688. print(
  689. "Basal",
  690. totalBasal[index].startDate,
  691. totalBasal.count > index + 1 ? totalBasal[index + 1].startDate : endMarker,
  692. totalBasal[index].amount,
  693. totalBasal[index].isOverwritten
  694. )
  695. }
  696. BasalProfiles = basals
  697. }
  698. }