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@@ -1,323 +0,0 @@
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-import Foundation
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-
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-enum GoogleCalendarClientError: Error {
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- case invalidResponse
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- case httpStatus(Int, String)
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- case decodeFailed(String)
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-}
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-
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-final class GoogleCalendarClient {
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10
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- struct Options: Sendable {
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- var daysAhead: Int
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- var maxResults: Int
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- var includeNonMeetEvents: Bool
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-
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- init(daysAhead: Int = 180, maxResults: Int = 200, includeNonMeetEvents: Bool = true) {
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- self.daysAhead = daysAhead
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- self.maxResults = maxResults
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- self.includeNonMeetEvents = includeNonMeetEvents
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- }
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- }
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-
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- private let session: URLSession
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-
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- init(session: URLSession = .shared) {
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- self.session = session
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- }
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-
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- func fetchUpcomingMeetings(accessToken: String) async throws -> [ScheduledMeeting] {
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- try await fetchUpcomingMeetings(accessToken: accessToken, options: Options())
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- }
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-
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- func fetchUpcomingMeetings(accessToken: String, options: Options) async throws -> [ScheduledMeeting] {
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33
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- let now = Date()
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- let end = Calendar.current.date(byAdding: .day, value: max(1, options.daysAhead), to: now) ?? now.addingTimeInterval(180 * 24 * 60 * 60)
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- let formatter = ISO8601DateFormatter()
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- formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
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- let totalLimit = max(1, options.maxResults)
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- let pageSize = min(250, totalLimit)
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- var nextPageToken: String?
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- var meetings: [ScheduledMeeting] = []
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-
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- repeat {
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- var components = URLComponents(string: "https://www.googleapis.com/calendar/v3/calendars/primary/events")!
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- var queryItems = [
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- URLQueryItem(name: "timeMin", value: formatter.string(from: now)),
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- URLQueryItem(name: "timeMax", value: formatter.string(from: end)),
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- URLQueryItem(name: "singleEvents", value: "true"),
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- URLQueryItem(name: "orderBy", value: "startTime"),
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- URLQueryItem(name: "maxResults", value: String(pageSize)),
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- URLQueryItem(name: "conferenceDataVersion", value: "1")
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- ]
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- if let nextPageToken {
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- queryItems.append(URLQueryItem(name: "pageToken", value: nextPageToken))
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- }
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- components.queryItems = queryItems
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-
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- var request = URLRequest(url: components.url!)
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- request.httpMethod = "GET"
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- request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
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-
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- let (data, response) = try await session.data(for: request)
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- guard let http = response as? HTTPURLResponse else { throw GoogleCalendarClientError.invalidResponse }
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- guard (200..<300).contains(http.statusCode) else {
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- let body = String(data: data, encoding: .utf8) ?? "<no body>"
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- throw GoogleCalendarClientError.httpStatus(http.statusCode, body)
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- }
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-
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- let decoded: EventsList
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- do {
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- decoded = try JSONDecoder().decode(EventsList.self, from: data)
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- } catch {
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- let raw = String(data: data, encoding: .utf8) ?? "<unreadable body>"
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- throw GoogleCalendarClientError.decodeFailed(raw)
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- }
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-
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- let pageMeetings: [ScheduledMeeting] = decoded.items.compactMap { item in
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- let title = item.summary?.trimmingCharacters(in: .whitespacesAndNewlines)
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- let subtitle = item.organizer?.displayName ?? item.organizer?.email
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-
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- guard let start = item.start?.resolvedDate,
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- let end = item.end?.resolvedDate else { return nil }
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-
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- let isAllDay = item.start?.date != nil
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-
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- let meetURL: URL? = {
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86
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- if let hangout = item.hangoutLink, let u = URL(string: hangout) { return u }
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- let entry = item.conferenceData?.entryPoints?.first(where: { $0.entryPointType == "video" && ($0.uri?.contains("meet.google.com") ?? false) })
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- if let uri = entry?.uri, let u = URL(string: uri) { return u }
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- if options.includeNonMeetEvents, let htmlLink = item.htmlLink, let u = URL(string: htmlLink) { return u }
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- return nil
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- }()
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-
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- if meetURL == nil, options.includeNonMeetEvents == false { return nil }
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- guard let meetURL else { return nil }
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-
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- return ScheduledMeeting(
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- id: item.id ?? UUID().uuidString,
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- title: (title?.isEmpty == false) ? title! : "Untitled meeting",
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- subtitle: subtitle,
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- startDate: start,
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- endDate: end,
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- meetURL: meetURL,
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- isAllDay: isAllDay
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- )
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- }
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-
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- meetings.append(contentsOf: pageMeetings)
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- nextPageToken = decoded.nextPageToken
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- } while nextPageToken != nil && meetings.count < totalLimit
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-
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- if meetings.count > totalLimit {
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- meetings = Array(meetings.prefix(totalLimit))
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- }
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- return meetings
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- }
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-
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- func createEvent(accessToken: String,
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- title: String,
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- description: String?,
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- start: Date,
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- end: Date,
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- timeZone: TimeZone = .current) async throws -> ScheduledMeeting {
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- var components = URLComponents(string: "https://www.googleapis.com/calendar/v3/calendars/primary/events")!
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- components.queryItems = [
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- URLQueryItem(name: "conferenceDataVersion", value: "1")
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- ]
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-
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- let requestID = UUID().uuidString
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- let body = CreateEventRequest(
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- summary: title,
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- description: description,
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- start: CreateEventRequest.EventDateTime(dateTime: ISO8601DateFormatter.fractional.string(from: start), timeZone: timeZone.identifier),
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- end: CreateEventRequest.EventDateTime(dateTime: ISO8601DateFormatter.fractional.string(from: end), timeZone: timeZone.identifier),
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- conferenceData: CreateEventRequest.ConferenceData(
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- createRequest: CreateEventRequest.CreateRequest(
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- requestId: requestID,
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- conferenceSolutionKey: CreateEventRequest.ConferenceSolutionKey(type: "hangoutsMeet")
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- )
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- )
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- )
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-
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- var request = URLRequest(url: components.url!)
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- request.httpMethod = "POST"
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- request.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
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- request.setValue("application/json; charset=utf-8", forHTTPHeaderField: "Content-Type")
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- request.httpBody = try JSONEncoder().encode(body)
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-
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- let (data, response) = try await session.data(for: request)
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- guard let http = response as? HTTPURLResponse else { throw GoogleCalendarClientError.invalidResponse }
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- guard (200..<300).contains(http.statusCode) else {
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- let raw = String(data: data, encoding: .utf8) ?? "<no body>"
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- throw GoogleCalendarClientError.httpStatus(http.statusCode, raw)
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- }
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-
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- let created: EventItem
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- do {
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- created = try JSONDecoder().decode(EventItem.self, from: data)
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- } catch {
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- let raw = String(data: data, encoding: .utf8) ?? "<unreadable body>"
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- throw GoogleCalendarClientError.decodeFailed(raw)
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- }
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-
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- guard let startDate = created.start?.resolvedDate,
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- let endDate = created.end?.resolvedDate else {
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- throw GoogleCalendarClientError.decodeFailed("Created event missing start/end.")
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- }
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-
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- let isAllDay = created.start?.date != nil
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- let meetURL: URL? = {
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- if let hangout = created.hangoutLink, let u = URL(string: hangout) { return u }
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- let entry = created.conferenceData?.entryPoints?.first(where: { $0.entryPointType == "video" && ($0.uri?.contains("meet.google.com") ?? false) })
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- if let uri = entry?.uri, let u = URL(string: uri) { return u }
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- if let htmlLink = created.htmlLink, let u = URL(string: htmlLink) { return u }
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- return nil
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- }()
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- guard let meetURL else {
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- throw GoogleCalendarClientError.decodeFailed("Created event missing Meet/HTML link.")
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- }
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-
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- let cleanedTitle = created.summary?.trimmingCharacters(in: .whitespacesAndNewlines)
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- let subtitle = created.organizer?.displayName ?? created.organizer?.email
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- return ScheduledMeeting(
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- id: created.id ?? UUID().uuidString,
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- title: (cleanedTitle?.isEmpty == false) ? cleanedTitle! : "Untitled meeting",
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- subtitle: subtitle,
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- startDate: startDate,
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- endDate: endDate,
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- meetURL: meetURL,
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- isAllDay: isAllDay
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- )
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- }
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-}
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-
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-extension GoogleCalendarClientError: LocalizedError {
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- var errorDescription: String? {
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- switch self {
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- case .invalidResponse:
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- return "Google Calendar returned an invalid response."
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- case let .httpStatus(status, body):
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- return "Google Calendar API error (\(status)): \(body)"
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- case let .decodeFailed(raw):
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- return "Failed to parse Google Calendar events: \(raw)"
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- }
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- }
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-}
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-
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-// MARK: - Calendar API models
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-
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-private struct EventsList: Decodable {
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- let items: [EventItem]
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- let nextPageToken: String?
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-}
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-
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-private struct EventItem: Decodable {
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- let id: String?
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- let summary: String?
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- let hangoutLink: String?
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- let htmlLink: String?
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- let organizer: Organizer?
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- let start: EventDateTime?
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- let end: EventDateTime?
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- let conferenceData: ConferenceData?
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-}
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-
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-private struct Organizer: Decodable {
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- let displayName: String?
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- let email: String?
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-}
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-
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-private struct EventDateTime: Decodable {
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- let dateTime: String?
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- let date: String?
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- let timeZone: String?
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-
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- var resolvedDate: Date? {
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- if let dateTime, let parsed = Self.parseDateTime(dateTime, timeZone: timeZone) {
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- return parsed
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- }
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- if let date, let parsed = DateFormatter.googleAllDay.date(from: date) {
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- return parsed
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- }
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- return nil
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- }
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-
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- private static func parseDateTime(_ raw: String, timeZone: String?) -> Date? {
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- if let dt = ISO8601DateFormatter.fractional.date(from: raw) ?? ISO8601DateFormatter.nonFractional.date(from: raw) {
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- return dt
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- }
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-
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- // Some Calendar payloads provide dateTime without explicit zone and separate timeZone field.
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- let formatter = DateFormatter()
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- formatter.calendar = Calendar(identifier: .gregorian)
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- formatter.locale = Locale(identifier: "en_US_POSIX")
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- formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss"
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- if let timeZone, let tz = TimeZone(identifier: timeZone) {
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- formatter.timeZone = tz
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- } else {
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- formatter.timeZone = TimeZone.current
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- }
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- return formatter.date(from: raw)
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- }
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-}
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-
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-private struct ConferenceData: Decodable {
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- let entryPoints: [EntryPoint]?
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-}
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-
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-private struct EntryPoint: Decodable {
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- let entryPointType: String?
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- let uri: String?
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-}
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-
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-private struct CreateEventRequest: Encodable {
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- struct EventDateTime: Encodable {
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- let dateTime: String
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- let timeZone: String
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- }
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-
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- struct ConferenceSolutionKey: Encodable {
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- let type: String
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- }
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-
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- struct CreateRequest: Encodable {
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- let requestId: String
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- let conferenceSolutionKey: ConferenceSolutionKey
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- }
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-
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- struct ConferenceData: Encodable {
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- let createRequest: CreateRequest
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- }
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-
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- let summary: String
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- let description: String?
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- let start: EventDateTime
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- let end: EventDateTime
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- let conferenceData: ConferenceData
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-}
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-
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-private extension ISO8601DateFormatter {
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300
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- static let fractional: ISO8601DateFormatter = {
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- let f = ISO8601DateFormatter()
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- f.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
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- return f
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- }()
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-
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- static let nonFractional: ISO8601DateFormatter = {
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- let f = ISO8601DateFormatter()
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- f.formatOptions = [.withInternetDateTime]
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- return f
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- }()
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-}
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312
|
|
-
|
|
313
|
|
-private extension DateFormatter {
|
|
314
|
|
- static let googleAllDay: DateFormatter = {
|
|
315
|
|
- let f = DateFormatter()
|
|
316
|
|
- f.calendar = Calendar(identifier: .gregorian)
|
|
317
|
|
- f.locale = Locale(identifier: "en_US_POSIX")
|
|
318
|
|
- f.timeZone = TimeZone(secondsFromGMT: 0)
|
|
319
|
|
- f.dateFormat = "yyyy-MM-dd"
|
|
320
|
|
- return f
|
|
321
|
|
- }()
|
|
322
|
|
-}
|
|
323
|
|
-
|