cal.swift

import Foundation
import EventKit

print("%%tana%%")
struct Event: Codable {
    let title: String
    let startDate: String
    let endDate: String
    let location: String?
    let attendees: [Attendee]?
    let notes: String?
    let recurrence: [String]?
}

struct Attendee: Codable {
    let name: String
    let url: URL
}

let eventStore = EKEventStore()
let today = Calendar.current.startOfDay(for: Date())
let startDate = Calendar.current.date(byAdding: .day, value: 0, to: today)!
let endDate = Calendar.current.date(byAdding: .day, value: 1, to: today)!

let predicate = eventStore.predicateForEvents(withStart: startDate, end: endDate, calendars: nil)
let events = eventStore.events(matching: predicate)

let filteredEvents = events.filter { event in
    event.title != "Block" && event.title != "Lunch"
}

let eventArray = filteredEvents.map { event in
    let formatter = DateFormatter()
    formatter.dateFormat = "yyyy-MM-dd H:mm"
    let startDateString = formatter.string(from: event.startDate)
    let endDateString = formatter.string(from: event.endDate)
    
    // Filter the notes field
    var notes = event.notes
    if let range = event.notes?.range(of: "~==========================~") {
        notes = String(event.notes![..<range.lowerBound])
    }
 
    if let range = event.notes?.range(of: "is inviting you to") {
        notes = String(event.notes![..<range.lowerBound])
    }

    if let range = event.notes?.range(of: "Microsoft Teams meeting") {
        notes = String(event.notes![..<range.lowerBound])
    }   

    let attendees = event.attendees?.compactMap { (attendee: EKParticipant) -> Attendee? in
        guard let name = attendee.name else {
            return nil
        }
        
        return Attendee(name: name, url: attendee.url)
    }
    
    let recurrence: [String]? = event.hasRecurrenceRules ? event.recurrenceRules!.map { rule in
        return rule.description
    } : nil
    
    return Event(title: event.title, startDate: startDateString, endDate: endDateString, location: event.location, attendees: attendees, notes: notes, recurrence: recurrence)
}

let encoder = JSONEncoder()
//encoder.outputFormatting = .prettyPrinted

for event in eventArray {
    do {
        let jsonData = try encoder.encode(event)
        if let jsonString = String(data: jsonData, encoding: .utf8) {            
            print("- ... #meeting")
            print("  - JSON:: \(jsonString)")            
        }
    } catch {
        print("Error encoding JSON: \(error)")
    }
}