initial version

2026-01-15 09:24:06 +01:00
parent bab350dd22
commit 7988257399
139 changed files with 13149 additions and 3233 deletions
@@ -0,0 +1,112 @@
+import Foundation
+import UIKit
+
+class ShareService {
+    static let shared = ShareService()
+
+    private init() {}
+
+    func shareTextFile(content: String, fileName: String) {
+        guard let viewController = ShareService.topViewController() else { return }
+
+        let tempURL = FileManager.default.temporaryDirectory
+            .appendingPathComponent(fileName)
+
+        do {
+            try content.write(to: tempURL, atomically: true, encoding: .utf8)
+
+            let activityVC = UIActivityViewController(
+                activityItems: [tempURL],
+                applicationActivities: nil
+            )
+
+            if let popover = activityVC.popoverPresentationController {
+                popover.sourceView = viewController.view
+                popover.sourceRect = CGRect(
+                    x: viewController.view.bounds.midX,
+                    y: viewController.view.bounds.midY,
+                    width: 0,
+                    height: 0
+                )
+            }
+
+            DispatchQueue.main.async {
+                viewController.present(activityVC, animated: true)
+            }
+        } catch {
+            print("Share file error: \(error)")
+        }
+    }
+
+    func shareCalendarEvent(
+        title: String,
+        notes: String,
+        startDate: Date,
+        durationMinutes: Int = 60
+    ) {
+        let endDate = startDate.addingTimeInterval(TimeInterval(durationMinutes * 60))
+        let icsContent = calendarICS(
+            title: title,
+            notes: notes,
+            startDate: startDate,
+            endDate: endDate
+        )
+        shareTextFile(content: icsContent, fileName: "PortfolioJournal-CheckIn.ics")
+    }
+
+    private static func topViewController(
+        base: UIViewController? = UIApplication.shared.connectedScenes
+            .compactMap { $0 as? UIWindowScene }
+            .flatMap { $0.windows }
+            .first(where: { $0.isKeyWindow })?.rootViewController
+    ) -> UIViewController? {
+        if let nav = base as? UINavigationController {
+            return topViewController(base: nav.visibleViewController)
+        }
+        if let tab = base as? UITabBarController {
+            return topViewController(base: tab.selectedViewController)
+        }
+        if let presented = base?.presentedViewController {
+            return topViewController(base: presented)
+        }
+        return base
+    }
+
+    private func calendarICS(
+        title: String,
+        notes: String,
+        startDate: Date,
+        endDate: Date
+    ) -> String {
+        let uid = UUID().uuidString
+        let formatter = DateFormatter()
+        formatter.dateFormat = "yyyyMMdd'T'HHmmss'Z'"
+        formatter.timeZone = TimeZone(secondsFromGMT: 0)
+        let stamp = formatter.string(from: Date())
+        let start = formatter.string(from: startDate)
+        let end = formatter.string(from: endDate)
+
+        return """
+        BEGIN:VCALENDAR
+        VERSION:2.0
+        PRODID:-//PortfolioJournal//MonthlyCheckIn//EN
+        BEGIN:VEVENT
+        UID:\(uid)
+        DTSTAMP:\(stamp)
+        DTSTART:\(start)
+        DTEND:\(end)
+        SUMMARY:\(escapeICS(title))
+        DESCRIPTION:\(escapeICS(notes))
+        END:VEVENT
+        END:VCALENDAR
+        """
+    }
+
+    private func escapeICS(_ value: String) -> String {
+        value
+            .replacingOccurrences(of: "\\", with: "\\\\")
+            .replacingOccurrences(of: "\n", with: "\\n")
+            .replacingOccurrences(of: ";", with: "\\;")
+            .replacingOccurrences(of: ",", with: "\\,")
+    }
+}