iOS: wire node services and tests

2026-06-28 17:01:53 +03:00 · 2026-01-31 12:35:28 +01:00
parent 3711143549
commit 7b0a0f3dac
23 changed files with 1846 additions and 12 deletions
@@ -0,0 +1,103 @@
+import Foundation
+import Photos
+import OpenClawKit
+import UIKit
+
+final class PhotoLibraryService: PhotosServicing {
+    func latest(params: OpenClawPhotosLatestParams) async throws -> OpenClawPhotosLatestPayload {
+        let status = await Self.ensureAuthorization()
+        guard status == .authorized || status == .limited else {
+            throw NSError(domain: "Photos", code: 1, userInfo: [
+                NSLocalizedDescriptionKey: "PHOTOS_PERMISSION_REQUIRED: grant Photos permission",
+            ])
+        }
+
+        let limit = max(1, min(params.limit ?? 1, 20))
+        let fetchOptions = PHFetchOptions()
+        fetchOptions.fetchLimit = limit
+        fetchOptions.sortDescriptors = [NSSortDescriptor(key: "creationDate", ascending: false)]
+        let assets = PHAsset.fetchAssets(with: .image, options: fetchOptions)
+
+        var results: [OpenClawPhotoPayload] = []
+        let maxWidth = params.maxWidth.flatMap { $0 > 0 ? $0 : nil } ?? 1600
+        let quality = params.quality.map { max(0.1, min(1.0, $0)) } ?? 0.85
+        let formatter = ISO8601DateFormatter()
+
+        assets.enumerateObjects { asset, _, stop in
+            if results.count >= limit { stop.pointee = true; return }
+            if let payload = try? Self.renderAsset(
+                asset,
+                maxWidth: maxWidth,
+                quality: quality,
+                formatter: formatter)
+            {
+                results.append(payload)
+            }
+        }
+
+        return OpenClawPhotosLatestPayload(photos: results)
+    }
+
+    private static func ensureAuthorization() async -> PHAuthorizationStatus {
+        let current = PHPhotoLibrary.authorizationStatus(for: .readWrite)
+        if current == .notDetermined {
+            return await withCheckedContinuation { cont in
+                PHPhotoLibrary.requestAuthorization(for: .readWrite) { status in
+                    cont.resume(returning: status)
+                }
+            }
+        }
+        return current
+    }
+
+    private static func renderAsset(
+        _ asset: PHAsset,
+        maxWidth: Int,
+        quality: Double,
+        formatter: ISO8601DateFormatter) throws -> OpenClawPhotoPayload
+    {
+        let manager = PHImageManager.default()
+        let options = PHImageRequestOptions()
+        options.isSynchronous = true
+        options.isNetworkAccessAllowed = true
+        options.deliveryMode = .highQualityFormat
+
+        let targetSize: CGSize = {
+            guard maxWidth > 0 else { return PHImageManagerMaximumSize }
+            let aspect = CGFloat(asset.pixelHeight) / CGFloat(max(1, asset.pixelWidth))
+            let width = CGFloat(maxWidth)
+            return CGSize(width: width, height: width * aspect)
+        }()
+
+        var image: UIImage?
+        manager.requestImage(
+            for: asset,
+            targetSize: targetSize,
+            contentMode: .aspectFit,
+            options: options)
+        { result, _ in
+            image = result
+        }
+
+        guard let image else {
+            throw NSError(domain: "Photos", code: 2, userInfo: [
+                NSLocalizedDescriptionKey: "photo load failed",
+            ])
+        }
+
+        let jpeg = image.jpegData(compressionQuality: quality)
+        guard let data = jpeg else {
+            throw NSError(domain: "Photos", code: 3, userInfo: [
+                NSLocalizedDescriptionKey: "photo encode failed",
+            ])
+        }
+
+        let created = asset.creationDate.map { formatter.string(from: $0) }
+        return OpenClawPhotoPayload(
+            format: "jpeg",
+            base64: data.base64EncodedString(),
+            width: Int(image.size.width),
+            height: Int(image.size.height),
+            createdAt: created)
+    }
+}