// // NightScout.swift // LoopFollow // // Created by Jon Fawcett on 6/16/20. // Copyright © 2020 Jon Fawcett. All rights reserved. // import Foundation import UIKit extension MainViewController { //NS BG Struct struct sgvData: Codable { var sgv: Int var date: TimeInterval var direction: String? } //NS Cage Struct struct cageData: Codable { var created_at: String } //NS Basal Profile Struct struct basalProfileStruct: Codable { var value: Double var time: String var timeAsSeconds: Double } //NS Basal Data Struct struct basalGraphStruct: Codable { var basalRate: Double var date: TimeInterval } //NS Bolus Data Struct struct bolusCarbGraphStruct: Codable { var value: Double var date: TimeInterval var sgv: Int } // Main loader for all data func nightscoutLoader(forceLoad: Bool = false) { var needsLoaded: Bool = false var onlyPullLastRecord = false // If we have existing data and it's within 5 minutes, we aren't going to do a BG network call if bgData.count > 0 { let now = NSDate().timeIntervalSince1970 let lastReadingTime = bgData[bgData.count - 1].date let secondsAgo = now - lastReadingTime if secondsAgo >= 5*60 { needsLoaded = true if secondsAgo < 10*60 { onlyPullLastRecord = true } } } else { needsLoaded = true } if forceLoad { needsLoaded = true} // Only update if we don't have a current reading if needsLoaded { self.clearLastInfoData() webLoadNSProfile() WebLoadNSTempBasals() webLoadNSDeviceStatus() webLoadNSBGData(onlyPullLastRecord: onlyPullLastRecord) webLoadNSBoluses() webLoadNSCarbs() webLoadNSCage() webLoadNSSage() self.startViewTimer(time: viewTimeInterval) } else { webLoadNSDeviceStatus() webLoadNSBoluses() webLoadNSCarbs() } if bgData.count > 0 { self.updateMinAgo() self.checkAlarms(bgs: self.bgData) } } // NS BG Data Web call func webLoadNSBGData(onlyPullLastRecord: Bool = false) { print("Enter BG Web Call") // Set the count= in the url either to pull 24 hours or only the last record var points = "1" if !onlyPullLastRecord { points = String(self.graphHours * 12 + 1) } // URL processor var urlBGDataPath: String = UserDefaultsRepository.url.value + "/api/v1/entries/sgv.json?" if token == "" { urlBGDataPath = urlBGDataPath + "count=" + points } else { urlBGDataPath = urlBGDataPath + "token=" + token + "&count=" + points } guard let urlBGData = URL(string: urlBGDataPath) else { return } var request = URLRequest(url: urlBGData) request.cachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData // Downloader let getBGTask = URLSession.shared.dataTask(with: request) { data, response, error in if self.consoleLogging == true {print("start bg url")} guard error == nil else { return } guard let data = data else { return } let decoder = JSONDecoder() let entriesResponse = try? decoder.decode([sgvData].self, from: data) if let entriesResponse = entriesResponse { DispatchQueue.main.async { // trigger the processor for the data after downloading. self.ProcessNSBGData(data: entriesResponse, onlyPullLastRecord: onlyPullLastRecord) } } else { return } } getBGTask.resume() } // NS BG Data Response processor func ProcessNSBGData(data: [sgvData], onlyPullLastRecord: Bool){ print("Enter BG Processor") var pullDate = data[data.count - 1].date / 1000 pullDate.round(FloatingPointRoundingRule.toNearestOrEven) // If we already have data, we're going to pop it to the end and remove the first. If we have old or no data, we'll destroy the whole array and start over. This is simpler than determining how far back we need to get new data from in case Dex back-filled readings if !onlyPullLastRecord { bgData.removeAll() } else if bgData[bgData.count - 1].date != pullDate { bgData.removeFirst() if data.count > 0 && UserDefaultsRepository.speakBG.value { speakBG(sgv: data[data.count - 1].sgv) } } else { if data.count > 0 { self.updateBadge(val: data[data.count - 1].sgv) } // self.viewUpdateNSBG() return } // loop through the data so we can reverse the order to oldest first for the graph and convert the NS timestamp to seconds instead of milliseconds. Makes date comparisons easier for everything else. for i in 0.. 0 { let latestEntryi = entries.count - 1 let latestBG = entries[latestEntryi].sgv let priorBG = entries[latestEntryi - 1].sgv let deltaBG = latestBG - priorBG as Int let lastBGTime = entries[latestEntryi].date let deltaTime = (TimeInterval(Date().timeIntervalSince1970)-lastBGTime) / 60 var userUnit = " mg/dL" if mmol { userUnit = " mmol/L" } BGText.text = bgOutputFormat(bg: Double(latestBG), mmol: mmol) setBGTextColor() if let directionBG = entries[latestEntryi].direction { DirectionText.text = bgDirectionGraphic(directionBG) } else { DirectionText.text = "" } if deltaBG < 0 { self.DeltaText.text = String(deltaBG) } else { self.DeltaText.text = "+" + String(deltaBG) } } else { return } } // NS Device Status Web Call func webLoadNSDeviceStatus() { print("Enter download device status") let urlUser = UserDefaultsRepository.url.value var urlStringDeviceStatus = urlUser + "/api/v1/devicestatus.json?count=1" if token != "" { urlStringDeviceStatus = urlUser + "/api/v1/devicestatus.json?token=" + token + "&count=1" } let escapedAddress = urlStringDeviceStatus.addingPercentEncoding(withAllowedCharacters:NSCharacterSet.urlQueryAllowed) guard let urlDeviceStatus = URL(string: escapedAddress!) else { return } if consoleLogging == true {print("entered device status task.")} var requestDeviceStatus = URLRequest(url: urlDeviceStatus) requestDeviceStatus.cachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData let deviceStatusTask = URLSession.shared.dataTask(with: requestDeviceStatus) { data, response, error in if self.consoleLogging == true {print("in device status loop.")} guard error == nil else { return } guard let data = data else { return } let json = try? (JSONSerialization.jsonObject(with: data) as! [[String:AnyObject]]) if let json = json { DispatchQueue.main.async { self.updateDeviceStatusDisplay(jsonDeviceStatus: json) } } else { return } if self.consoleLogging == true {print("finish pump update")}} deviceStatusTask.resume() } // NS Device Status Response Processor func updateDeviceStatusDisplay(jsonDeviceStatus: [[String:AnyObject]]) { print("Enter process device status") if consoleLogging == true {print("in updatePump")} if jsonDeviceStatus.count == 0 { return } //only grabbing one record since ns sorts by {created_at : -1} let lastDeviceStatus = jsonDeviceStatus[0] as [String : AnyObject]? //pump and uploader let formatter = ISO8601DateFormatter() formatter.formatOptions = [.withFullDate, .withTime, .withDashSeparatorInDate, .withColonSeparatorInTime] if let lastPumpRecord = lastDeviceStatus?["pump"] as! [String : AnyObject]? { if let lastPumpTime = formatter.date(from: (lastPumpRecord["clock"] as! String))?.timeIntervalSince1970 { if let reservoirData = lastPumpRecord["reservoir"] as? Double { tableData[5].value = String(format:"%.0f", reservoirData) + "U" } else { tableData[5].value = "50+U" } if let uploader = lastDeviceStatus?["uploader"] as? [String:AnyObject] { let upbat = uploader["battery"] as! Double tableData[4].value = String(format:"%.0f", upbat) + "%" } } } // Loop if let lastLoopRecord = lastDeviceStatus?["loop"] as! [String : AnyObject]? { if let lastLoopTime = formatter.date(from: (lastLoopRecord["timestamp"] as! String))?.timeIntervalSince1970 { UserDefaultsRepository.alertLastLoopTime.value = lastLoopTime if let failure = lastLoopRecord["failureReason"] { LoopStatusLabel.text = "X" } else { if let enacted = lastLoopRecord["enacted"] as? [String:AnyObject] { if let lastTempBasal = enacted["rate"] as? Double { // tableData[2].value = String(format:"%.1f", lastTempBasal) } } if let iobdata = lastLoopRecord["iob"] as? [String:AnyObject] { tableData[0].value = String(format:"%.1f", (iobdata["iob"] as! Double)) } if let cobdata = lastLoopRecord["cob"] as? [String:AnyObject] { tableData[1].value = String(format:"%.0f", cobdata["cob"] as! Double) } if let predictdata = lastLoopRecord["predicted"] as? [String:AnyObject] { let prediction = predictdata["values"] as! [Double] PredictionLabel.text = String(Int(prediction.last!)) PredictionLabel.textColor = UIColor.systemPurple predictionData.removeAll() if UserDefaultsRepository.downloadPrediction.value { var i = 1 while i <= 12 { predictionData.append(prediction[i]) i += 1 } } } if let loopStatus = lastLoopRecord["recommendedTempBasal"] as? [String:AnyObject] { if let tempBasalTime = formatter.date(from: (loopStatus["timestamp"] as! String))?.timeIntervalSince1970 { var lastBGTime = lastLoopTime if bgData.count > 0 { lastBGTime = bgData[bgData.count - 1].date } if tempBasalTime > lastBGTime { LoopStatusLabel.text = "⏀" } else { LoopStatusLabel.text = "↻" } } } else { LoopStatusLabel.text = "↻" } } if ((TimeInterval(Date().timeIntervalSince1970) - lastLoopTime) / 60) > 10 { LoopStatusLabel.text = "⚠" } } // end lastLoopTime } // end lastLoop Record var oText = "" as String currentOverride = 1.0 if let lastOverride = lastDeviceStatus?["override"] as! [String : AnyObject]? { if let lastOverrideTime = formatter.date(from: (lastOverride["timestamp"] as! String))?.timeIntervalSince1970 { } if lastOverride["active"] as! Bool { let lastCorrection = lastOverride["currentCorrectionRange"] as! [String: AnyObject] if let multiplier = lastOverride["multiplier"] as? Double { currentOverride = multiplier oText += String(format:"%.1f", multiplier*100) } else { oText += String(format:"%.1f", 100) } oText += "% (" let minValue = lastCorrection["minValue"] as! Double let maxValue = lastCorrection["maxValue"] as! Double oText += bgOutputFormat(bg: minValue, mmol: mmol) + "-" + bgOutputFormat(bg: maxValue, mmol: mmol) + ")" tableData[3].value = oText } } infoTable.reloadData() } // NS Cage Web Call func webLoadNSCage() { print("enter download cage") let urlUser = UserDefaultsRepository.url.value var urlString = urlUser + "/api/v1/treatments.json?find[eventType]=Site%20Change&count=1" if token != "" { urlString = urlUser + "/api/v1/treatments.json?token=" + token + "&find[eventType]=Site%20Change&count=1" } guard let urlData = URL(string: urlString) else { return } var request = URLRequest(url: urlData) request.cachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData let task = URLSession.shared.dataTask(with: request) { data, response, error in if self.consoleLogging == true {print("start cage url")} guard error == nil else { return } guard let data = data else { return } let decoder = JSONDecoder() let entriesResponse = try? decoder.decode([cageData].self, from: data) if let entriesResponse = entriesResponse { DispatchQueue.main.async { self.updateCage(data: entriesResponse) } } else { return } } task.resume() } // NS Cage Response Processor func updateCage(data: [cageData]) { print("enter process cage") if consoleLogging == true {print("in updateCage")} if data.count == 0 { return } let lastCageString = data[0].created_at let formatter = ISO8601DateFormatter() formatter.formatOptions = [.withFullDate, .withTime, .withDashSeparatorInDate, .withColonSeparatorInTime] UserDefaultsRepository.alertCageInsertTime.value = formatter.date(from: (lastCageString))?.timeIntervalSince1970 as! TimeInterval if let cageTime = formatter.date(from: (lastCageString))?.timeIntervalSince1970 { let now = NSDate().timeIntervalSince1970 let secondsAgo = now - cageTime //let days = 24 * 60 * 60 let formatter = DateComponentsFormatter() formatter.unitsStyle = .positional // Use the appropriate positioning for the current locale formatter.allowedUnits = [ .hour, .minute ] // Units to display in the formatted string formatter.zeroFormattingBehavior = [ .pad ] // Pad with zeroes where appropriate for the locale let formattedDuration = formatter.string(from: secondsAgo) tableData[7].value = formattedDuration ?? "" } infoTable.reloadData() } // NS Sage Web Call func webLoadNSSage() { print("enter download sage") var dayComponent = DateComponents() dayComponent.day = -10 // For removing 10 days let theCalendar = Calendar.current let startDate = theCalendar.date(byAdding: dayComponent, to: Date())! let dateFormatter = DateFormatter() dateFormatter.dateFormat = "yyyy-MM-dd" var startDateString = dateFormatter.string(from: startDate) let urlUser = UserDefaultsRepository.url.value var urlString = urlUser + "/api/v1/treatments.json?find[eventType]=Sensor%20Start&find[created_at][$gte]=2020-05-31&count=1" if token != "" { urlString = urlUser + "/api/v1/treatments.json?token=" + token + "&find[eventType]=Sensor%20Start&find[created_at][$gte]=2020-05-31&count=1" } guard let urlData = URL(string: urlString) else { return } var request = URLRequest(url: urlData) request.cachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData let task = URLSession.shared.dataTask(with: request) { data, response, error in if self.consoleLogging == true {print("start cage url")} guard error == nil else { return } guard let data = data else { return } let decoder = JSONDecoder() let entriesResponse = try? decoder.decode([cageData].self, from: data) if let entriesResponse = entriesResponse { DispatchQueue.main.async { self.updateSage(data: entriesResponse) } } else { return } } task.resume() } // NS Sage Response Processor func updateSage(data: [cageData]) { print("enter update sage") if consoleLogging == true {print("in updateSage")} if data.count == 0 { return } var lastSageString = data[0].created_at let formatter = ISO8601DateFormatter() formatter.formatOptions = [.withFullDate, .withTime, .withDashSeparatorInDate, .withColonSeparatorInTime] UserDefaultsRepository.alertSageInsertTime.value = formatter.date(from: (lastSageString))?.timeIntervalSince1970 as! TimeInterval if let sageTime = formatter.date(from: (lastSageString as! String))?.timeIntervalSince1970 { let now = NSDate().timeIntervalSince1970 let secondsAgo = now - sageTime let days = 24 * 60 * 60 let formatter = DateComponentsFormatter() formatter.unitsStyle = .positional // Use the appropriate positioning for the current locale formatter.allowedUnits = [ .day, .hour] // Units to display in the formatted string formatter.zeroFormattingBehavior = [ .pad ] // Pad with zeroes where appropriate for the locale let formattedDuration = formatter.string(from: secondsAgo) tableData[6].value = formattedDuration ?? "" } infoTable.reloadData() } // NS Profile Web Call func webLoadNSProfile() { print("enter download profile") let urlString = UserDefaultsRepository.url.value + "/api/v1/profile/current.json" let escapedAddress = urlString.addingPercentEncoding(withAllowedCharacters:NSCharacterSet.urlQueryAllowed) guard let url = URL(string: escapedAddress!) else { return } var request = URLRequest(url: url) request.cachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData let task = URLSession.shared.dataTask(with: request) { data, response, error in guard error == nil else { return } guard let data = data else { return } let json = try? JSONSerialization.jsonObject(with: data) as! Dictionary if let json = json { DispatchQueue.main.async { self.updateProfile(jsonDeviceStatus: json) } } else { return } } task.resume() } // NS Profile Response Processor func updateProfile(jsonDeviceStatus: Dictionary) { print("enter process profile") if jsonDeviceStatus.count == 0 { return } let basal = jsonDeviceStatus[keyPath: "store.Default.basal"] as! NSArray for i in 0.. let thisValue = dict[keyPath: "value"] as! Double let thisTime = dict[keyPath: "time"] as! String let thisTimeAsSeconds = dict[keyPath: "timeAsSeconds"] as! Double let entry = basalProfileStruct(value: thisValue, time: thisTime, timeAsSeconds: thisTimeAsSeconds) basalProfile.append(entry) } } // NS Temp Basal Web Call func WebLoadNSTempBasals() { print("enter download basals") if !UserDefaultsRepository.downloadBasal.value { return } let yesterdayString = dateTimeUtils.nowMinus24HoursTimeInterval() var urlString = UserDefaultsRepository.url.value + "/api/v1/treatments.json?find[eventType][$eq]=Temp%20Basal&find[created_at][$gte]=" + yesterdayString if token != "" { urlString = UserDefaultsRepository.url.value + "/api/v1/treatments.json?token=" + token + "&find[eventType][$eq]=Temp%20Basal&find[created_at][$gte]=" + yesterdayString } guard let urlData = URL(string: urlString) else { return } var request = URLRequest(url: urlData) request.cachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData let task = URLSession.shared.dataTask(with: request) { data, response, error in guard error == nil else { return } guard let data = data else { return } let json = try? (JSONSerialization.jsonObject(with: data) as! [[String:AnyObject]]) if let json = json { DispatchQueue.main.async { self.updateBasals(entries: json) } } else { return } } task.resume() } // NS Temp Basal Response Processor func updateBasals(entries: [[String:AnyObject]]) { print("enter process basal") // due to temp basal durations, we're going to destroy the array and load everything each cycle for the time being. basalData.removeAll() var lastEndDot = 0.0 var tempArray: [basalGraphStruct] = [] for i in 0.. 0 { let priorEntry = entries[entries.count - i] as [String : AnyObject]? let priorBasalDate = priorEntry?["timestamp"] as! String let priorStrippedZone = String(priorBasalDate.dropLast()) let priorDateFormatter = DateFormatter() priorDateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss" priorDateFormatter.timeZone = TimeZone(abbreviation: "UTC") let priorDateString = dateFormatter.date(from: priorStrippedZone) let priorDateTimeStamp = priorDateString!.timeIntervalSince1970 let priorDuration = priorEntry?["duration"] as! Double // if difference between time stamps is greater than the duration of the last entry, there is a gap if Double( dateTimeStamp - priorDateTimeStamp ) > Double( priorDuration * 60 ) { var scheduled = 0.0 // cycle through basal profiles. // TODO figure out how to deal with profile changes that happen mid-gap for b in 0..= scheduleTimeYesterday { scheduled = basalProfile[b].value } if (priorDateTimeStamp + (priorDuration * 60)) >= scheduleTimeToday { scheduled = basalProfile[b].value } // This will iterate through from midnight on and set it for the highest matching one. } // Make the starting dot at the last ending dot let startDot = basalGraphStruct(basalRate: scheduled, date: Double(priorDateTimeStamp + (priorDuration * 60))) basalData.append(startDot) // Make the ending dot at the new starting dot let endDot = basalGraphStruct(basalRate: scheduled, date: Double(dateTimeStamp)) basalData.append(endDot) } } // Make the starting dot let startDot = basalGraphStruct(basalRate: basalRate, date: Double(dateTimeStamp)) basalData.append(startDot) // Make the ending dot // If it's the last one and not ended yet, extend it for 1 hour to match the prediction length. Otherwise let it end if i == entries.count - 1 && dateTimeStamp + duration <= dateTimeUtils.getNowTimeIntervalUTC() { lastEndDot = Date().timeIntervalSince1970 + (55 * 60) tableData[2].value = String(format:"%.1f", basalRate) } else { lastEndDot = dateTimeStamp + (duration * 60) } // Double check for overlaps of incorrect ended TBRs and sent it to end when the next one starts if it finds a discrepancy if i < entries.count - 1 { let nextEntry = entries[entries.count - 2 - i] as [String : AnyObject]? let nextBasalDate = nextEntry?["timestamp"] as! String let nextStrippedZone = String(nextBasalDate.dropLast()) let nextDateFormatter = DateFormatter() nextDateFormatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss" nextDateFormatter.timeZone = TimeZone(abbreviation: "UTC") let nextDateString = dateFormatter.date(from: nextStrippedZone) let nextDateTimeStamp = nextDateString!.timeIntervalSince1970 if nextDateTimeStamp < (dateTimeStamp + (duration * 60)) { lastEndDot = nextDateTimeStamp } } let endDot = basalGraphStruct(basalRate: basalRate, date: Double(lastEndDot)) basalData.append(endDot) } // If last scheduled basal was prior to right now, we need to create one last scheduled entry if lastEndDot <= dateTimeUtils.getNowTimeIntervalUTC() { var scheduled = 0.0 // cycle through basal profiles. // TODO figure out how to deal with profile changes that happen mid-gap for b in 0..= scheduleTimeYesterday { scheduled = basalProfile[b].value } if lastEndDot >= scheduleTimeToday { scheduled = basalProfile[b].value } } tableData[2].value = String(format:"%.1f", scheduled) // Make the starting dot at the last ending dot let startDot = basalGraphStruct(basalRate: scheduled, date: Double(lastEndDot)) basalData.append(startDot) // Make the ending dot 1 hour after now let endDot = basalGraphStruct(basalRate: scheduled, date: Double(Date().timeIntervalSince1970)) basalData.append(endDot) } } // NS Bolus Web Call func webLoadNSBoluses(){ print("enter download bolus") if !UserDefaultsRepository.downloadBolus.value { return } let yesterdayString = dateTimeUtils.nowMinus24HoursTimeInterval() let urlUser = UserDefaultsRepository.url.value var searchString = "find[eventType]=Correction%20Bolus&find[created_at][$gte]=" + yesterdayString var urlDataPath: String = urlUser + "/api/v1/treatments.json?" if token == "" { urlDataPath = urlDataPath + searchString } else { urlDataPath = urlDataPath + "token=" + token + "&" + searchString } guard let urlData = URL(string: urlDataPath) else { return } var request = URLRequest(url: urlData) request.cachePolicy = URLRequest.CachePolicy.reloadIgnoringLocalCacheData let task = URLSession.shared.dataTask(with: request) { data, response, error in guard error == nil else { return } guard let data = data else { return } let json = try? (JSONSerialization.jsonObject(with: data) as! [[String:AnyObject]]) if let json = json { DispatchQueue.main.async { self.processNSBolus(entries: json) } } else { return } } task.resume() } // NS Meal Bolus Response Processor func processNSBolus(entries: [[String:AnyObject]]) { print("enter process bolus") // because it's a small array, we're going to destroy and reload every time. bolusData.removeAll() var lastFoundIndex = 0 for i in 0..