junebash · May 9, 2021 17:09 · May 9, 2021
diff --git a/FormattedMarkdownWeek.swift b/FormattedMarkdownWeek.swift
@@ -0,0 +1,52 @@
+import Foundation
+
+/// Prints the week in Markdown format. Useful for planning. Throw this into a TextExpander shell script!
+func markdownWeek() -> String {
+  let cal = Calendar.current
+
+  func weekDay(of date: Date) -> Int {
+    cal.component(.weekday, from: date)
+  }
+
+  func nextDay(from date: Date, count: Int = 1) -> Date {
+    cal.date(byAdding: .day, value: count, to: date)!
+  }
+
+  func formattedWeekOfYear(for date: Date) -> String {
+    let week = cal.component(.weekOfYear, from: date)
+    let year = cal.component(.yearForWeekOfYear, from: date)
+
+    let weekFormatter = NumberFormatter()
+    weekFormatter.minimumIntegerDigits = 2
+    let formattedWeek = weekFormatter.string(from: week as NSNumber)!
+
+    return "\(year)-W\(formattedWeek)"
+  }
+
+  let dayFormatter = DateFormatter()
+  dayFormatter.dateFormat = "EEEE yyyy-MM-dd"
+
+  func formattedDayEntry(for date: Date) -> String {
+    let datePortion = dayFormatter.string(from: date)
+    return "## \(datePortion)\n\n- "
+  }
+
+  func thisMonday() -> Date {
+    var currentDate = Date()
+    var currentWeekday = weekDay(of: currentDate)
+    while currentWeekday != 2 { // 2 = monday
+      currentDate = nextDay(from: currentDate)
+      currentWeekday = weekDay(of: currentDate)
+    }
+    return currentDate
+  }
+
+  let monday = thisMonday()
+  let dayComponents = (0...6)
+    .map { nextDay(from: monday, count: $0) }
+    .map(formattedDayEntry(for:))
+  let components = ["# \(formattedWeekOfYear(for: monday))"] + dayComponents
+  return components.joined(separator: "\n\n")
+}
+
+print(markdownWeek())
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