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Restructure and add schedule view model
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@@ -3,28 +3,6 @@ | |
| "strings" : { | ||
| "As Needed" : { | ||
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| }, | ||
| "Every %lld days" : { | ||
| "localizations" : { | ||
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| @@ -0,0 +1,191 @@ | ||
| // | ||
| // This source file is part of the Stanford Spezi open-source project | ||
| // | ||
| // SPDX-FileCopyrightText: 2022 Stanford University and the project authors (see CONTRIBUTORS.md) | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
| // | ||
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| import Foundation | ||
| import SpeziScheduler | ||
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| // TODO: Frequencies: | ||
| // - EveryDay, EveryFewDays (2x=every other day, 3x, 4x ...), | ||
| // - AsNeeded, | ||
| // - Specific Days of the Week, Cyclical Schedule(used for x days/weeks, pause for y days/weeks) | ||
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| public enum MedicationScheduleSelection { | ||
| case asNeeded | ||
| case daily | ||
| case interval // TODO: every x days | ||
| case weekdayBased | ||
| } | ||
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| extension Locale.Weekday { // TODO: combine and move to Scheduler! | ||
| public init?(ordinal: Int) { | ||
| switch ordinal { | ||
| case 1: | ||
| self = .sunday | ||
| case 2: | ||
| self = .monday | ||
| case 3: | ||
| self = .tuesday | ||
| case 4: | ||
| self = .wednesday | ||
| case 5: | ||
| self = .thursday | ||
| case 6: | ||
| self = .friday | ||
| case 7: | ||
| self = .saturday | ||
| default: | ||
| return nil | ||
| } | ||
| } | ||
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| public init(from date: Date) { | ||
| let weekdayOrdinal = Calendar.current.component(.weekday, from: date) | ||
| guard let weekday = Locale.Weekday(ordinal: weekdayOrdinal) else { | ||
| preconditionFailure("Failed to derive weekday from ordinal \(weekdayOrdinal)") | ||
| } | ||
| self = weekday | ||
| } | ||
| } | ||
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| public struct CreateScheduleViewModel { | ||
| public var selection: MedicationScheduleSelection = .daily | ||
| public var dayInterval = 2 | ||
| public var times: [Date] = [] | ||
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| public var weekdays: [Calendar.RecurrenceRule.Weekday] = [] | ||
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| public var start: Date | ||
| public var end: Date? | ||
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| public var schedule: SpeziScheduler.Schedule? { | ||
| if case .asNeeded = selection { | ||
| return nil // no recurrence or scheduled tasks at all | ||
| } | ||
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| let end = end.map { | ||
| Calendar.RecurrenceRule.End.afterDate($0) | ||
| } ?? .never | ||
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| let (hours, minutes) = times.reduce(into: ([Int](), [Int]())) { partialResult, date in | ||
| partialResult.0.append(Calendar.current.component(.hour, from: date)) | ||
| partialResult.1.append(Calendar.current.component(.minute, from: date)) | ||
| } | ||
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| let interval = if case .interval = selection { | ||
| dayInterval | ||
| } else { | ||
| 1 | ||
| } | ||
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| let weekdays: [Calendar.RecurrenceRule.Weekday] = if case .weekdayBased = selection { | ||
| self.weekdays | ||
| } else { | ||
| [] | ||
| } | ||
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| // TODO: days and minutes doesn't work right? | ||
| let recurrence = Calendar.RecurrenceRule.daily( | ||
| calendar: .current, | ||
| interval: interval, | ||
| end: end, | ||
| weekdays: weekdays, | ||
| hours: hours, | ||
| minutes: minutes | ||
| ) | ||
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| // TODO: do we care about event duration? | ||
| return SpeziScheduler.Schedule(startingAt: start, recurrence: recurrence) | ||
| } | ||
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| public init() { | ||
| let now = Date.now | ||
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| self.start = .today // TODO: start of day? | ||
| // populate some default selections | ||
| times.append(now) | ||
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| let todayWeekday = Locale.Weekday(from: now) | ||
| self.weekdays.append(.every(todayWeekday)) | ||
| } | ||
| } | ||
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| /// Defines the frequency of a schedule. | ||
| public enum Frequency: Codable, CustomStringConvertible, Equatable, Hashable, Sendable { | ||
| case regularDayIntervals(Int) | ||
| case specificDaysOfWeek(Weekdays) | ||
| case asNeeded | ||
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| enum CodingKeys: CodingKey { | ||
| case regularDayIntervals | ||
| case specificDaysOfWeek | ||
| case asNeeded | ||
| } | ||
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| public var description: String { | ||
| switch self { | ||
| case let .regularDayIntervals(dayInterval): | ||
| switch dayInterval { | ||
| case 1: | ||
| String(localized: "Every Day", bundle: .module) | ||
| case 2: | ||
| String(localized: "Every other Day", bundle: .module) | ||
| default: | ||
| String(localized: "Every \(dayInterval) days", bundle: .module) | ||
| } | ||
| case let .specificDaysOfWeek(weekdays): | ||
| weekdays.localizedShortDescription | ||
| case .asNeeded: | ||
| String(localized: "As Needed", bundle: .module) | ||
| } | ||
| } | ||
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| public init(from decoder: Decoder) throws { | ||
| let container = try decoder.container(keyedBy: CodingKeys.self) | ||
| var allKeys = ArraySlice(container.allKeys) | ||
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| guard let onlyKey = allKeys.popFirst(), allKeys.isEmpty else { | ||
| throw DecodingError.typeMismatch( | ||
| Frequency.self, | ||
| DecodingError.Context.init( | ||
| codingPath: container.codingPath, | ||
| debugDescription: "Invalid number of keys found, expected one.", | ||
| underlyingError: nil | ||
| ) | ||
| ) | ||
| } | ||
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| switch onlyKey { | ||
| case .regularDayIntervals: | ||
| self = Frequency.regularDayIntervals(try container.decode(Int.self, forKey: CodingKeys.regularDayIntervals)) | ||
| case .specificDaysOfWeek: | ||
| self = Frequency.specificDaysOfWeek(try container.decode(Weekdays.self, forKey: CodingKeys.specificDaysOfWeek)) | ||
| case .asNeeded: | ||
| self = Frequency.asNeeded | ||
| } | ||
| } | ||
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| public func encode(to encoder: Encoder) throws { | ||
| var container = encoder.container(keyedBy: CodingKeys.self) | ||
| switch self { | ||
| case let .regularDayIntervals(dayInterval): | ||
| try container.encode(dayInterval, forKey: .regularDayIntervals) | ||
| case let .specificDaysOfWeek(weekdays): | ||
| try container.encode(weekdays, forKey: .specificDaysOfWeek) | ||
| case .asNeeded: | ||
| try container.encode(true, forKey: .asNeeded) | ||
| } | ||
| } | ||
| } | ||
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