Read events from all calendars

read_calendar_events.swift

import Cocoa
import EventKit

var meetings = [String: String]()

let eventStore = EKEventStore()

switch EKEventStore.authorizationStatus(for: EKEntityType.event) {

case .authorized: break

case .denied:

    print("Access denied")
    
case .notDetermined:
       eventStore.requestAccess(to: .event, completion:
         {(granted: Bool, error: Error?) -> Void in
           if granted {
             print("Access Granted")

           } else {
             print("Access denied")
           }
       })
       break

default:
    print("Have no idea what happen")
}

func convertNSDatetoString(date: Date) -> String {

    let dateFormatter = DateFormatter()

    dateFormatter.dateFormat = "MM'-'dd' @ 'hh:mm"

    let dateString = dateFormatter.string(from: date)

    return dateString

}



let calendars = eventStore.calendars(for: .event)

for calendar in calendars {
        let oneWeekAgo = Date(timeIntervalSinceNow: -7*24*3600)

        let today = Date()

        let predicate = eventStore.predicateForEvents(withStart: oneWeekAgo, end: today, calendars: [calendar])

        let events = eventStore.events(matching: predicate)

        for event in events {

            let temp = convertNSDatetoString(date: event.startDate)

            meetings[event.title] = temp + " " + (event.location ?? "")
    }
}

print(meetings)