451d3d4d6b
The system NavigationStack toolbar title would not refresh on a plain @State change (title kept disappearing on iPhone). Moved visibleMonth into the @Observable CalendarStore so the toolbar's read is tracked with @Observable's fine-grained observation and refreshes on month change. Reverted the @State/.id workaround. Real system glass bar retained. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
541 lines
23 KiB
Swift
541 lines
23 KiB
Swift
import Foundation
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import SwiftUI
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extension Notification.Name {
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/// Posted whenever the persistent "banished calendars" set is mutated from
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/// outside the active `CalendarStore` (e.g. by `AccountsView`). The store
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/// listens for this in `CalendarHostView` and refreshes its filter.
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static let banishedCalendarsChanged = Notification.Name("banishedCalendarsChanged")
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/// Posted when the user taps the manual "sync with server" button in the
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/// menu. `CalendarHostView` responds by invalidating the cache and
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/// re-fetching events from the server.
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static let manualSyncRequested = Notification.Name("manualSyncRequested")
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}
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enum CalViewType: String, CaseIterable {
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case month, week, day, quarter, agenda
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func label(_ lang: String) -> String {
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switch self {
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case .month: return L10n.t("view.month", lang)
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case .week: return L10n.t("view.week", lang)
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case .day: return L10n.t("view.day", lang)
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case .quarter: return L10n.t("view.quarter", lang)
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case .agenda: return L10n.t("view.agenda", lang)
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}
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}
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var systemImage: String {
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switch self {
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case .month: return "calendar"
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case .week: return "calendar.day.timeline.leading"
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case .day: return "sun.max"
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case .quarter: return "calendar.badge.clock"
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case .agenda: return "list.bullet"
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}
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}
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}
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struct WritableCalendar: Identifiable {
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let id: String
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let name: String
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let color: String
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let source: String
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let numericId: Int
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}
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@Observable
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class CalendarStore {
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// Visible state
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var events: [CalEvent] = []
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var viewType: CalViewType = .month
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var currentDate: Date = .now
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// The month currently scrolled into view (month view). Lives in the store so
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// the Liquid-Glass navigation title — read in the system toolbar — updates
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// via @Observable tracking (a plain @State did not refresh the toolbar).
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var visibleMonth: Date = .now
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var isLoading = false
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var isCachingBackground = false
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var lastError: String? = nil
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var weekStartsOnMonday = true
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var writableCalendars: [WritableCalendar] = []
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// When set, the calendar shows the group's combined overlay instead of the
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// user's own events. nil = personal view.
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var activeGroup: CalGroup? = nil
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/// Set of `"source:calendarId"` keys the user has chosen to hide from the
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/// calendar views. Persisted in UserDefaults as a JSON array. Events whose
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/// key matches one of these are filtered out before being rendered.
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var hiddenCalendarKeys: Set<String> = CalendarStore.loadHiddenKeys()
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/// "Banished" calendars – like `hiddenCalendarKeys` but expressing a
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/// stronger user intent: the calendar should not even appear in the quick
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/// show/hide list. Re-activation happens in AccountsView.
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var banishedCalendarKeys: Set<String> = CalendarStore.loadBanishedKeys()
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/// Group-overlay visibility: which members' calendars (`gm:<userId>`) and the
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/// group calendar (`gc`) are hidden in the combined view — like hiding
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/// individual people in Outlook. In-memory; resets when leaving/switching a
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/// group (the per-calendar hide/banish sets are for the personal view only).
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var hiddenGroupKeys: Set<String> = []
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static func groupMemberKey(_ ownerId: Int) -> String { "gm:\(ownerId)" }
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static let groupCalendarKey = "gc"
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// Cache bookkeeping
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private var cachedStart: Date? = nil
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private var cachedEnd: Date? = nil
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private var allCachedEvents: [CalEvent] = []
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// MARK: – Hidden-calendar persistence
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private static let hiddenKeysDefaultsKey = "hiddenCalendarKeys"
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private static func loadHiddenKeys() -> Set<String> {
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guard let raw = UserDefaults.standard.string(forKey: hiddenKeysDefaultsKey),
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let data = raw.data(using: .utf8),
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let arr = try? JSONDecoder().decode([String].self, from: data)
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else { return [] }
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return Set(arr)
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}
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private func saveHiddenKeys() {
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let arr = Array(hiddenCalendarKeys)
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if let data = try? JSONEncoder().encode(arr),
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let s = String(data: data, encoding: .utf8) {
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UserDefaults.standard.set(s, forKey: Self.hiddenKeysDefaultsKey)
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}
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}
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/// Toggle visibility of a single calendar and immediately refresh the
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/// visible event list + widget snapshot.
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func setCalendarHidden(_ key: String, hidden: Bool) {
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if hidden { hiddenCalendarKeys.insert(key) } else { hiddenCalendarKeys.remove(key) }
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saveHiddenKeys()
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let (s, e) = rangeForCurrentView()
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refreshFromCache(start: s, end: e)
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publishWidgetSnapshot()
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}
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/// Replace the entire set (used by the filter sheet's bulk show/hide).
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func setHiddenCalendars(_ keys: Set<String>) {
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hiddenCalendarKeys = keys
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saveHiddenKeys()
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let (s, e) = rangeForCurrentView()
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refreshFromCache(start: s, end: e)
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publishWidgetSnapshot()
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}
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/// Toggle / replace group-overlay visibility (members or the group calendar).
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func setGroupKeyHidden(_ key: String, hidden: Bool) {
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if hidden { hiddenGroupKeys.insert(key) } else { hiddenGroupKeys.remove(key) }
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let (s, e) = rangeForCurrentView()
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refreshFromCache(start: s, end: e)
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}
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func setHiddenGroupKeys(_ keys: Set<String>) {
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hiddenGroupKeys = keys
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let (s, e) = rangeForCurrentView()
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refreshFromCache(start: s, end: e)
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}
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static func calendarKey(source: String, calendarId: String) -> String {
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// The events API returns `calendar_id` inconsistently: a raw numeric for
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// CalDAV, but "<source>-<id>" for local / ical / google / homeassistant
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// (e.g. "local-3", "google-5"). The filter UI keys off the numeric DB id,
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// so strip any leading "<source>-" prefix to make event keys and filter
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// keys comparable — otherwise local hiding/banishing silently does nothing
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// for those sources.
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var id = calendarId
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let prefix = "\(source)-"
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if id.hasPrefix(prefix) { id = String(id.dropFirst(prefix.count)) }
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return "\(source):\(id)"
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}
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// MARK: – Banished-calendar persistence
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private static let banishedKeysDefaultsKey = "banishedCalendarKeys"
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static func loadBanishedKeys() -> Set<String> {
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guard let raw = UserDefaults.standard.string(forKey: banishedKeysDefaultsKey),
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let data = raw.data(using: .utf8),
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let arr = try? JSONDecoder().decode([String].self, from: data)
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else { return [] }
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return Set(arr)
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}
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static func saveBanishedKeys(_ keys: Set<String>) {
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let arr = Array(keys)
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if let data = try? JSONEncoder().encode(arr),
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let s = String(data: data, encoding: .utf8) {
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UserDefaults.standard.set(s, forKey: banishedKeysDefaultsKey)
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}
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}
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/// Move a calendar to / out of the banished set. Also clears any quick
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/// hidden flag for that key – once banished, the dual state is redundant.
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/// Posts `.banishedCalendarsChanged` so other views in the navigation
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/// stack (e.g. AccountsView) stay in sync.
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func setCalendarBanished(_ key: String, banished: Bool) {
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if banished {
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banishedCalendarKeys.insert(key)
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hiddenCalendarKeys.remove(key)
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} else {
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banishedCalendarKeys.remove(key)
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}
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Self.saveBanishedKeys(banishedCalendarKeys)
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saveHiddenKeys()
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NotificationCenter.default.post(name: .banishedCalendarsChanged, object: nil)
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let (s, e) = rangeForCurrentView()
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refreshFromCache(start: s, end: e)
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publishWidgetSnapshot()
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}
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/// Replace the whole banished set (used when reconciling with the server's
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/// `sidebar_hidden` flags). Persists, notifies, refreshes.
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func setBanishedCalendars(_ keys: Set<String>) {
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guard keys != banishedCalendarKeys else { return }
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banishedCalendarKeys = keys
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Self.saveBanishedKeys(keys)
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NotificationCenter.default.post(name: .banishedCalendarsChanged, object: nil)
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let (s, e) = rangeForCurrentView()
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refreshFromCache(start: s, end: e)
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publishWidgetSnapshot()
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}
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/// Re-read the banished set from UserDefaults – called when an external
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/// view (AccountsView) mutated it. Refreshes visible events + widgets.
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func syncBanishedFromDefaults() {
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banishedCalendarKeys = Self.loadBanishedKeys()
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let (s, e) = rangeForCurrentView()
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refreshFromCache(start: s, end: e)
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publishWidgetSnapshot()
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}
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/// Split a `"source:calendarId"` key back into its parts.
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static func parseCalendarKey(_ key: String) -> (source: String, id: Int)? {
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guard let colon = key.firstIndex(of: ":") else { return nil }
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let source = String(key[..<colon])
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guard let id = Int(key[key.index(after: colon)...]) else { return nil }
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return (source, id)
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}
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/// Sources whose visibility is backed by the server's `sidebar_hidden`.
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static let serverManagedSources: Set<String> = ["caldav", "google", "homeassistant"]
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var userCalendar: Calendar {
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var cal = Calendar.current
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cal.firstWeekday = weekStartsOnMonday ? 2 : 1
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return cal
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}
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// MARK: – Cache helpers
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func isCached(start: Date, end: Date) -> Bool {
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guard let cs = cachedStart, let ce = cachedEnd else { return false }
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return cs <= start && ce >= end
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}
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/// Republish the full cached event set, applying only visibility filters
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/// (hidden + banished). We deliberately do NOT slice by the current view's
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/// date window: the user's chosen cache range is already loaded, and
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/// scrolling within it must not make events vanish. Per-day / per-range
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/// rendering is the responsibility of `events(on:)` / `events(in:)`.
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/// `start` / `end` are kept in the signature for call-site clarity.
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func refreshFromCache(start: Date, end: Date) {
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_ = (start, end)
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// In group overlay mode the per-calendar hide/banish toggles don't apply;
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// instead honour the per-member / group-calendar toggles (hiddenGroupKeys).
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if activeGroup != nil {
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if hiddenGroupKeys.isEmpty {
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events = allCachedEvents
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} else {
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events = allCachedEvents.filter { ev in
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if ev.isGroupEvent { return !hiddenGroupKeys.contains(Self.groupCalendarKey) }
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if let o = ev.owner { return !hiddenGroupKeys.contains(Self.groupMemberKey(o.id ?? -1)) }
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return true
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}
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}
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return
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}
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events = allCachedEvents.filter { ev in
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let key = Self.calendarKey(source: ev.source, calendarId: ev.calendarId)
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return !hiddenCalendarKeys.contains(key)
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&& !banishedCalendarKeys.contains(key)
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}
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}
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/// Optimistically drop a just-deleted event from the cache so it disappears
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/// from the UI immediately, without waiting for a server round-trip (HA
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/// deletes can lag several seconds, and an immediate refetch could even
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/// re-add it before the source propagated the deletion).
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func removeCachedEvent(id: String) {
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allCachedEvents.removeAll { $0.id == id }
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events.removeAll { $0.id == id }
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publishWidgetSnapshot()
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}
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// MARK: – Network loading
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/// Load events for a specific range. Skips the network if already cached,
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/// unless `force` is set (used after create/edit to pull fresh server data
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/// for the visible range, bypassing the cache).
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func loadEvents(api: CalendarrAPI, start: Date, end: Date, force: Bool = false) async {
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if !force, isCached(start: start, end: end) {
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refreshFromCache(start: start, end: end)
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return
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}
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isLoading = true
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lastError = nil
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defer { isLoading = false }
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do {
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let fetched = try await fetchForMode(api: api, start: start, end: end)
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mergeIntoCache(fetched, rangeStart: start, rangeEnd: end)
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refreshFromCache(start: start, end: end)
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} catch {
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lastError = error.localizedDescription
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}
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}
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/// Fetch events for the current mode (personal vs. group overlay). Group
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/// events go through the same cache/prefetch/refresh path as personal ones,
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/// so the whole visible grid is covered (no "only the middle weeks" gaps).
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private func fetchForMode(api: CalendarrAPI, start: Date, end: Date) async throws -> [CalEvent] {
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if let g = activeGroup {
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let combined = try await api.fetchGroupCombined(groupId: g.id, start: start, end: end)
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return combined.map { decorateGroupEvent($0) }
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}
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return try await api.fetchEvents(start: start, end: end)
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}
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/// Prefix a combined-view event with its owner (others) or 👥 + creator
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/// (group calendar). Colour comes from the server's display_color.
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private func decorateGroupEvent(_ ev: CalEvent) -> CalEvent {
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// Prefer the server-decorated title (group icon + owner prefix) so web,
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// iOS and Android render group events identically. `title` stays raw.
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if let dt = ev.displayTitle, !dt.isEmpty {
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var e = ev
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e.title = dt
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return e
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}
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// Fallback for older servers without display_title.
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var e = ev
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let me = UserDefaults.standard.integer(forKey: "userId")
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let groupIcon = activeGroup?.icon ?? "👥"
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func first(_ s: String) -> String { s.split(separator: " ").first.map(String.init) ?? s }
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if ev.isGroupEvent {
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if let c = ev.creator, c.id != me { e.title = "\(groupIcon) \(first(c.displayName)): \(ev.title)" }
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else { e.title = "\(groupIcon) \(ev.title)" }
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} else if let o = ev.owner, o.id != me {
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e.title = "\(first(o.displayName)): \(ev.title)"
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}
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return e
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}
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/// Background prefetch for ±months around today – called once on startup.
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func prefetchBackground(api: CalendarrAPI, months: Int) async {
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let cal = userCalendar
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let now = Date()
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let start = cal.date(byAdding: .month, value: -months, to: cal.startOfDay(for: now))!
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let end = cal.date(byAdding: .month, value: months + 1, to: cal.startOfDay(for: now))!
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guard !isCached(start: start, end: end) else { return }
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isCachingBackground = true
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defer { isCachingBackground = false }
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do {
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let fetched = try await fetchForMode(api: api, start: start, end: end)
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mergeIntoCache(fetched, rangeStart: start, rangeEnd: end)
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// Refresh visible range from newly expanded cache
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let (vs, ve) = rangeForCurrentView()
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refreshFromCache(start: vs, end: ve)
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} catch {
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// Background fetch failure is silent
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}
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}
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/// Trigger a full cache reload (e.g. when cache-range setting changes).
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/// Intentionally keeps `events` intact so the UI stays populated while
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/// the network fetch runs; `refreshFromCache` will swap in fresh data
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/// atomically once it arrives.
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func invalidateCache() {
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cachedStart = nil
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cachedEnd = nil
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allCachedEvents = []
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}
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private func mergeIntoCache(_ newEvents: [CalEvent], rangeStart: Date, rangeEnd: Date) {
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// Remove old events that overlap with the newly fetched range (avoid duplicates)
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let retained = allCachedEvents.filter { ev in
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ev.startDate >= rangeEnd || ev.endDate <= rangeStart
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}
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allCachedEvents = retained + newEvents
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// Extend cached range
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if let cs = cachedStart, let ce = cachedEnd {
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cachedStart = min(cs, rangeStart)
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cachedEnd = max(ce, rangeEnd)
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} else {
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cachedStart = rangeStart
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cachedEnd = rangeEnd
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}
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publishWidgetSnapshot()
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}
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/// Write a slim snapshot of the next ~6 weeks into the App-Group container
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/// so the widget extension can render without a network call. 42 days
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/// covers the worst-case month grid (6 rows × 7 cols) for the calendar
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/// widget. Also asks the system to refresh the widget timeline.
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private func publishWidgetSnapshot() {
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let cal = userCalendar
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let now = Date()
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// Include the week before today so widgets that show the current week
|
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// (e.g. "This Week", "Up Next + Calendar") have data for Monday–today.
|
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let from = cal.date(byAdding: .day, value: -7, to: cal.startOfDay(for: now)) ?? now
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let to = cal.date(byAdding: .day, value: 42, to: cal.startOfDay(for: now)) ?? from
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let visible = allCachedEvents
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.filter { ev in
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let key = Self.calendarKey(source: ev.source, calendarId: ev.calendarId)
|
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return ev.startDate < to && ev.endDate > from
|
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&& !hiddenCalendarKeys.contains(key)
|
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&& !banishedCalendarKeys.contains(key)
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}
|
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.sorted { $0.startDate < $1.startDate }
|
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.prefix(500)
|
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.map { ev in
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WidgetEvent(id: ev.id,
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title: ev.title,
|
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start: ev.startDate,
|
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end: ev.endDate,
|
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isAllDay: ev.isAllDay,
|
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colorHex: ev.effectiveColor,
|
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location: ev.location)
|
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}
|
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let defaults = UserDefaults.standard
|
||
let snap = WidgetSnapshot(
|
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writtenAt: now,
|
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events: Array(visible),
|
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todayColorHex: defaults.string(forKey: "todayColor") ?? "#4285f4",
|
||
textColorHex: defaults.string(forKey: "textColor") ?? "#FFFFFF",
|
||
backgroundColorHex: defaults.string(forKey: "backgroundColor") ?? "#000000",
|
||
lineColorHex: defaults.string(forKey: "lineColor") ?? "#3A3A3C",
|
||
primaryColorHex: defaults.string(forKey: "primaryColor") ?? "#4285f4",
|
||
accentColorHex: defaults.string(forKey: "accentColor") ?? "#ea4335",
|
||
language: defaults.string(forKey: "appLanguage") ?? "system"
|
||
)
|
||
WidgetStore.write(snap)
|
||
WidgetTimelineNotifier.reload()
|
||
}
|
||
|
||
// MARK: – Writable calendars
|
||
|
||
func loadWritableCalendars(api: CalendarrAPI) async {
|
||
async let localCals = (try? await api.getLocalCalendars()) ?? []
|
||
async let caldavAccs = (try? await api.getCalDAVAccounts()) ?? []
|
||
async let googleCals = (try? await api.getGoogleCalendars()) ?? []
|
||
async let haCals = (try? await api.getHACalendars()) ?? []
|
||
|
||
var result: [WritableCalendar] = []
|
||
for cal in await localCals {
|
||
result.append(WritableCalendar(id: "local-\(cal.id)", name: cal.name, color: cal.color, source: "local", numericId: cal.id))
|
||
}
|
||
for acc in await caldavAccs where acc.enabled {
|
||
for cal in acc.calendars ?? [] where cal.enabled {
|
||
result.append(WritableCalendar(id: "caldav-\(cal.id)", name: "\(acc.name) – \(cal.name)", color: cal.color ?? acc.color, source: "caldav", numericId: cal.id))
|
||
}
|
||
}
|
||
for (email, id, name, color) in await googleCals {
|
||
result.append(WritableCalendar(id: "google-\(id)", name: "\(email) – \(name)", color: color, source: "google", numericId: id))
|
||
}
|
||
for (accName, id, name, color) in await haCals {
|
||
result.append(WritableCalendar(id: "ha-\(id)", name: "\(accName) – \(name)", color: color, source: "homeassistant", numericId: id))
|
||
}
|
||
writableCalendars = result
|
||
}
|
||
|
||
// MARK: – Query helpers
|
||
|
||
func events(on date: Date) -> [CalEvent] {
|
||
let cal = userCalendar
|
||
let dayStart = cal.startOfDay(for: date)
|
||
let dayEnd = cal.date(byAdding: .day, value: 1, to: dayStart)!
|
||
return events.filter { ev in ev.startDate < dayEnd && ev.endDate > dayStart }
|
||
.sorted { $0.startDate < $1.startDate }
|
||
}
|
||
|
||
func events(in start: Date, end: Date) -> [CalEvent] {
|
||
events.filter { ev in ev.startDate < end && ev.endDate > start }
|
||
.sorted { $0.startDate < $1.startDate }
|
||
}
|
||
|
||
// MARK: – Navigation
|
||
|
||
func moveToToday() { currentDate = .now }
|
||
|
||
func navigatePrev() {
|
||
currentDate = userCalendar.date(byAdding: navComponent, value: navAmount * -1, to: currentDate) ?? currentDate
|
||
}
|
||
|
||
func navigateNext() {
|
||
currentDate = userCalendar.date(byAdding: navComponent, value: navAmount, to: currentDate) ?? currentDate
|
||
}
|
||
|
||
private var navComponent: Calendar.Component {
|
||
switch viewType {
|
||
case .week: return .weekOfYear
|
||
case .day: return .day
|
||
default: return .month
|
||
}
|
||
}
|
||
private var navAmount: Int { viewType == .quarter ? 3 : 1 }
|
||
|
||
func rangeForCurrentView() -> (Date, Date) {
|
||
let cal = userCalendar
|
||
switch viewType {
|
||
case .month:
|
||
let start = cal.date(from: cal.dateComponents([.year, .month], from: currentDate))!
|
||
return (cal.date(byAdding: .month, value: -1, to: start)!,
|
||
cal.date(byAdding: .month, value: 2, to: start)!)
|
||
case .quarter:
|
||
let start = cal.date(from: cal.dateComponents([.year, .month], from: currentDate))!
|
||
return (start, cal.date(byAdding: .month, value: 4, to: start)!)
|
||
case .week:
|
||
let weekStart = cal.date(from: cal.dateComponents([.yearForWeekOfYear, .weekOfYear], from: currentDate))!
|
||
return (weekStart, cal.date(byAdding: .day, value: 8, to: weekStart)!)
|
||
case .day:
|
||
let dayStart = cal.startOfDay(for: currentDate)
|
||
return (dayStart, cal.date(byAdding: .day, value: 1, to: dayStart)!)
|
||
case .agenda:
|
||
let start = cal.startOfDay(for: .now)
|
||
return (start, cal.date(byAdding: .day, value: 90, to: start)!)
|
||
}
|
||
}
|
||
|
||
func titleForCurrentView(language: String) -> String {
|
||
let cal = userCalendar
|
||
let loc = L10n.locale(language)
|
||
let fmt = DateFormatter(); fmt.locale = loc
|
||
switch viewType {
|
||
case .month:
|
||
fmt.dateFormat = "LLLL yyyy"
|
||
return fmt.string(from: currentDate).capitalized(with: loc)
|
||
case .quarter:
|
||
fmt.dateFormat = "LLL yyyy"
|
||
let m3 = cal.date(byAdding: .month, value: 2, to: currentDate) ?? currentDate
|
||
return "\(fmt.string(from: currentDate)) – \(fmt.string(from: m3))"
|
||
case .week:
|
||
let weekStart = cal.date(from: cal.dateComponents([.yearForWeekOfYear, .weekOfYear], from: currentDate))!
|
||
let weekEnd = cal.date(byAdding: .day, value: 6, to: weekStart)!
|
||
fmt.dateFormat = "d. MMM"
|
||
let ef = DateFormatter(); ef.locale = loc; ef.dateFormat = "d. MMM yyyy"
|
||
return "\(fmt.string(from: weekStart)) – \(ef.string(from: weekEnd))"
|
||
case .day:
|
||
fmt.dateFormat = "EEEE, d. MMMM yyyy"
|
||
return fmt.string(from: currentDate)
|
||
case .agenda:
|
||
return L10n.t("view.agenda", language)
|
||
}
|
||
}
|
||
}
|