WP-4b: Send pipeline + AirDrop sheet per SPEC-A2b

2026-08-31 16:12:58 +04:00
parent 9989333c24
commit 9201e74bfc
2 changed files with 154 additions and 0 deletions
@@ -0,0 +1,71 @@
+import AppKit
+import Darwin
+import Foundation
+import ShotdeckCore
+
+extension AppModel: SendCapable {
+    public func send(anchor: NSView?) async {
+        guard !session.isEmpty, !isSending else { return }
+        setSending(true)
+        defer { setSending(false) }
+
+        let workingSession = session
+        let composer = self.composer
+        // Live outbox (FolderSettings), not `paths.outbox` — Settings changes take effect.
+        let outboxDir = outboxURL
+        let sourceDir = paths.sessionDirectory(workingSession.id)
+        let fileName = PDFComposer.fileName(for: workingSession)
+        let finalURL = outboxDir.appendingPathComponent(fileName)
+        // Same directory as the final target so the rename below is same-volume (atomic).
+        let tempURL = outboxDir.appendingPathComponent(".shotdeck-\(UUID().uuidString).pdf")
+        let title = "Shotdeck – \(DubaiTime.stamp(workingSession.createdAt))"
+
+        do {
+            // D-13: build off the main actor. Only Sendable values cross into the
+            // detached task — never `anchor` (NSView is not Sendable).
+            try await Task.detached(priority: .userInitiated) {
+                _ = try composer.compose(
+                    session: workingSession,
+                    imageURL: { capture in sourceDir.appendingPathComponent(capture.fileName) },
+                    title: title,
+                    to: tempURL
+                )
+                // POSIX rename onto `finalURL` replaces any same-name file in one
+                // directory operation; there is never a window where the PDF is gone.
+                if Darwin.rename(tempURL.path, finalURL.path) != 0 {
+                    throw ShotdeckError.pdfCompositionFailed(
+                        reason: "could not publish the PDF: \(String(cString: strerror(errno)))"
+                    )
+                }
+                try AtomicFile.fsyncDirectory(at: outboxDir)
+            }.value
+
+            // File exists on disk now — archive only after that (D-13). A later AirDrop
+            // failure never deletes this file.
+            guard FileManager.default.fileExists(atPath: finalURL.path) else {
+                throw ShotdeckError.pdfCompositionFailed(reason: "the PDF was not written to disk")
+            }
+            _ = try await spool.archiveCurrent(pdfFileName: fileName)
+            replaceSession(try await spool.currentSession())
+
+            let pageWord = workingSession.captures.count == 1 ? "page" : "pages"
+            setStatus("Sent — \(workingSession.captures.count) \(pageWord).")
+
+            guard let anchor else {
+                setStatus("PDF saved to \(outboxDisplayName). Open the panel to AirDrop it.")
+                return
+            }
+            do {
+                try Sharing.airDrop(fileURL: finalURL, from: anchor)
+            } catch {
+                setStatus(
+                    "AirDrop is not available right now — the PDF is on your \(outboxDisplayName)."
+                )
+            }
+        } catch {
+            // Never unlink the published PDF, and never unlink `tempURL` either:
+            // a rename failure would leave the complete document at the temp name.
+            setStatus((error as? ShotdeckError)?.errorDescription ?? "The PDF could not be built.")
+        }
+    }
+}