agenda: exports today's calendar entries from Mac Calendar.app into a markdown file to enable note-taking

agenda

#!/usr/bin/swift
//
// agenda: exports today's calendar entries from Mac Calendar.app into a markdown file to enable note-taking
// 
// Example usage:
//   agenda > agenda-$(date +%Y-%m-%d).md
// 


import EventKit

let semaphore = DispatchSemaphore(value: 1)
defer {
    semaphore.wait()
}


let store = EKEventStore()
var timeFormatter = DateFormatter()
timeFormatter.dateFormat = "HH:mm"
var dateFormatter = DateFormatter()
dateFormatter.dateFormat = "yyyy-MM-dd E"

store.requestAccess(to: .event, completion: { (success, error) -> Void in
    var calendar = Calendar.current
    calendar.timeZone = NSTimeZone.local
    
    let dateAtMidnight = calendar.startOfDay(for: Date())
    var components = DateComponents()
    components.day = 1
    components.second = -1
    let endDate = calendar.date(byAdding: components, to: dateAtMidnight)
    
    let predicate = store.predicateForEvents(withStart: dateAtMidnight, end: endDate!, calendars: nil)
    
    let events = store.events(matching: predicate)
    
    let todayDate = dateFormatter.string(from: Date())
    print("# \(todayDate)")
    print("")
    
    for event in events {
        if (event.status == EKEventStatus.canceled) {
            continue
        }
        
        let date = dateFormatter.string(from: event.startDate)
        let start = timeFormatter.string(from: event.startDate)
        let end = timeFormatter.string(from: event.endDate)
        let title = event.title!.replacingOccurrences(of: "FW: ", with: "")
        //let location = event.location!
        let id = event.eventIdentifier!
        
        print("------")
        print("---")
        print("event: \(title)")
        print("date: \(date)")
        print("time: \(start) - \(end)")
        //print("location: \(location)")
        print("id: \(id)")
        print("---")
        print("")
        print("## \(title)")
        print("")
        print("")
        print("")
        print("")
    }
    
    semaphore.signal()
})

semaphore.wait()