masters3d · August 29, 2015 14:13 · Nov 4, 2014
diff --git a/working_with_dates.swift b/working_with_dates.swift
@@ -0,0 +1,63 @@
+// Playground - noun: a place where people can play
+
+import UIKit
+
+// Setup the calendar object
+let calendar = NSCalendar.currentCalendar()
+
+// Set up date object
+let date = NSDate()
+
+// Create an NSDate for the first and last day of the month
+//let components = calendar.components(NSCalendarUnit.CalendarUnitYear |
+//                                     NSCalendarUnit.CalendarUnitMonth |
+//                                     NSCalendarUnit.WeekdayCalendarUnit |
+//                                     NSCalendarUnit.WeekCalendarUnit |
+//                                     NSCalendarUnit.CalendarUnitDay,
+//                                     fromDate: date)
+
+// Create an NSDate for the first and last day of the month
+let components = NSCalendar.currentCalendar().components(NSCalendarUnit.CalendarUnitMonth, fromDate: date)
+
+
+components.month
+
+// Getting the First and Last date of the month
+components.day = 1
+let firstDateOfMonth: NSDate = calendar.dateFromComponents(components)!
+
+components.month  += 1
+components.day     = 0
+let lastDateOfMonth: NSDate = calendar.dateFromComponents(components)!
+
+var unitFlags = NSCalendarUnit.WeekOfMonthCalendarUnit |
+                NSCalendarUnit.WeekdayCalendarUnit     |
+                NSCalendarUnit.CalendarUnitDay
+
+let firstDateComponents = calendar.components(unitFlags, fromDate: firstDateOfMonth)
+let lastDateComponents  = calendar.components(unitFlags, fromDate: lastDateOfMonth)
+
+// Sun = 1, Sat = 7
+let firstWeek = firstDateComponents.weekOfMonth
+let lastWeek  = lastDateComponents.weekOfMonth
+
+let numOfDatesToPrepend = firstDateComponents.weekday - 1
+let numOfDatesToAppend  = 7 - lastDateComponents.weekday + (6 - lastDateComponents.weekOfMonth) * 7
+
+let startDate: NSDate = calendar.dateByAddingUnit(NSCalendarUnit.CalendarUnitDay, value: -numOfDatesToPrepend, toDate: firstDateOfMonth, options: nil)!
+let endDate:   NSDate = calendar.dateByAddingUnit(NSCalendarUnit.CalendarUnitDay, value: numOfDatesToAppend, toDate: lastDateOfMonth, options: nil)!
+
+Array(map(0..<42) {
+    calendar.dateByAddingUnit(NSCalendarUnit.CalendarUnitDay, value: $0, toDate: startDate, options: nil)!
+})
+
+"\(components.year)"
+
+
+var dateString = "2014-10-3" // change to your date format
+var dateFormatter = NSDateFormatter()
+dateFormatter.dateFormat = "YYYY-MM-dd"
+
+var someDate = dateFormatter.dateFromString(dateString)
+println(someDate)
+