Add new images to image cache
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parent
9b9ce63f7c
commit
68f82ce367
@ -49,8 +49,29 @@ final class Database: ObservableObject {
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changedCapStorage = newValue.map { "\($0)" }.joined(separator: ",")
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changedCapStorage = newValue.map { "\($0)" }.joined(separator: ",")
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}
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}
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}
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}
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private lazy var imageUploads: [Int: Int] = loadImageUploadCounts()
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@AppStorage("uploads")
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private var pendingImageUploadStorage: String = ""
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private(set) var imageUploads: [Int: [Int]] {
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get {
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pendingImageUploadStorage.components(separatedBy: ";").reduce(into: [:]) { dict, string in
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let parts = string.components(separatedBy: "-")
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guard parts.count == 2 else {
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return
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}
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guard let cap = Int(parts[0]) else {
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return
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}
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dict[cap] = parts[1].components(separatedBy: ":").compactMap(Int.init)
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}
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}
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set {
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pendingImageUploadStorage = newValue.map { cap, images in
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"\(cap)-\(images.map { "\($0)" }.joined(separator: ":"))"
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}.joined(separator: ";")
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}
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}
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private var uploadTimer: Timer?
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private var uploadTimer: Timer?
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@ -128,7 +149,7 @@ final class Database: ObservableObject {
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}
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}
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private var serverClassifierVersionUrl: URL {
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private var serverClassifierVersionUrl: URL {
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serverUrl.appendingPathComponent("classifier.version")
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serverUrl.appendingPathComponent("version")
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}
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}
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private var gridStorageFolder: URL {
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private var gridStorageFolder: URL {
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@ -255,7 +276,10 @@ final class Database: ObservableObject {
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#warning("Merge changed caps with server updates")
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#warning("Merge changed caps with server updates")
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} else {
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} else {
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oldCap.update(with: cap)
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oldCap.update(with: cap)
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caps[cap.id] = oldCap
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let save = oldCap
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DispatchQueue.main.async {
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self.caps[cap.id] = save
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}
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updates += 1
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updates += 1
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}
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}
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}
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}
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@ -289,10 +313,10 @@ final class Database: ObservableObject {
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self.serverClassifierVersion = serverVersion
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self.serverClassifierVersion = serverVersion
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}
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}
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guard serverVersion > self.classifierVersion else {
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guard serverVersion > self.classifierVersion else {
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print("No new classifier available")
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print("No new classifier available (Local: \(classifierVersion) Server: \(serverVersion))")
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return false
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return false
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}
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}
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print("New classifier \(serverVersion) available")
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print("New classifier available (Local: \(classifierVersion) Server: \(serverVersion))")
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return true
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return true
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}
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}
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@ -348,45 +372,29 @@ final class Database: ObservableObject {
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@discardableResult
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@discardableResult
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func save(_ image: UIImage, for capId: Int) -> Bool {
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func save(_ image: UIImage, for capId: Int) -> Bool {
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guard caps[capId] != nil else {
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guard let cap = caps[capId] else {
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log("Failed to save image for missing cap \(capId)")
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log("Failed to save image for missing cap \(capId)")
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return false
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return false
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}
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}
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guard ensureFolderExistence(imageUploadFolderUrl) else {
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guard images.save(image, for: CapImage(cap: cap.id, version: cap.imageCount)) else {
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return false
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return false
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}
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}
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guard let data = image.jpegData(compressionQuality: imageCompressionQuality) else {
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log("Saved image \(cap.imageCount) for cap \(capId)")
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log("Failed to compress image for cap: \(capId)")
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if imageUploads[capId] != nil {
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return false
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DispatchQueue.main.async {
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self.imageUploads[capId]!.append(cap.imageCount)
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}
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} else {
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DispatchQueue.main.async {
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self.imageUploads[capId] = [cap.imageCount]
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}
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}
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}
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let hash = Data(SHA256.hash(data: data)).hexEncoded.prefix(16)
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DispatchQueue.main.async {
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let url = imageUploadFolderUrl.appendingPathComponent("\(capId)-\(hash).jpg")
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self.caps[capId]!.imageCount += 1
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do {
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try data.write(to: url)
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} catch {
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log("Failed to save \(url.lastPathComponent): \(error)")
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return false
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}
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}
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log("Saved \(url.lastPathComponent) for upload")
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caps[capId]?.imageCount += 1
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return true
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return true
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}
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}
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private func loadImageUploadCounts() -> [Int : Int] {
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var result = [Int : Int]()
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pendingImageUploads.forEach { url in
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guard let capId = capId(from: url) else {
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return
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}
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if let old = result[capId] {
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result[capId] = old + 1
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} else {
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result[capId] = 1
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}
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}
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return result
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}
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// MARK: Uploads
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// MARK: Uploads
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func startRegularUploads() {
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func startRegularUploads() {
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@ -437,12 +445,8 @@ final class Database: ObservableObject {
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changedCaps.contains(cap) || imageUploads[cap] != nil
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changedCaps.contains(cap) || imageUploads[cap] != nil
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}
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}
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private var pendingImageUploads: [URL] {
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(try? fm.contentsOfDirectory(at: imageUploadFolderUrl, includingPropertiesForKeys: nil)) ?? []
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}
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var pendingImageUploadCount: Int {
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var pendingImageUploadCount: Int {
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pendingImageUploads.count
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imageUploads.values.reduce(0) { $0 + $1.count }
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}
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}
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private func capId(from url: URL) -> Int? {
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private func capId(from url: URL) -> Int? {
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@ -454,24 +458,27 @@ final class Database: ObservableObject {
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log("No server authentication to upload to server")
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log("No server authentication to upload to server")
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return
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return
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}
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}
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for url in pendingImageUploads {
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for (cap, images) in imageUploads {
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guard let capId = capId(from: url) else {
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for image in images {
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log("Unexpected image \(url.lastPathComponent) in upload folder")
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guard let url = self.images.availableImageUrl(CapImage(cap: cap, version: image)) else {
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continue
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log("Missing upload image \(image) for cap \(cap)")
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}
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continue
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guard fm.fileExists(atPath: url.path) else {
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}
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log("Missing image \(url.lastPathComponent) in upload folder")
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guard await upload(imageAt: url, for: cap) else {
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continue
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log("Failed to upload image \(url.lastPathComponent)")
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}
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continue
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guard await upload(imageAt: url, for: capId) else {
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}
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log("Failed to upload image \(url.lastPathComponent)")
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log("Uploaded image \(image) for cap \(cap)")
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continue
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let remaining = imageUploads[cap]?.filter { $0 != image }
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}
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if let r = remaining, !r.isEmpty {
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log("Uploaded image \(url.lastPathComponent)")
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DispatchQueue.main.async {
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do {
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self.imageUploads[cap] = r
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try fm.removeItem(at: url)
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}
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} catch {
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} else {
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log("Failed to remove uploaded image \(url.lastPathComponent): \(error)")
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DispatchQueue.main.async {
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self.imageUploads[cap] = nil
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}
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}
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}
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}
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}
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}
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}
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}
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@ -14,6 +14,8 @@ final class ImageCache {
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private let session: URLSession = .shared
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private let session: URLSession = .shared
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private let thumbnailQuality: CGFloat = 0.7
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private let thumbnailQuality: CGFloat = 0.7
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private let imageQuality: CGFloat = 0.3
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init(folder: URL, server: URL, thumbnailSize: CGFloat) throws {
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init(folder: URL, server: URL, thumbnailSize: CGFloat) throws {
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self.folder = folder
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self.folder = folder
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@ -26,12 +28,38 @@ final class ImageCache {
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}
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}
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private func localImageUrl(_ image: CapImage) -> URL {
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private func localImageUrl(_ image: CapImage) -> URL {
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folder.appendingPathComponent(String(format: "%04d-%02d.jpg", image.cap, image.cap, image.version))
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folder.appendingPathComponent(String(format: "%04d-%02d.jpg", image.cap, image.version))
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}
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}
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private func remoteImageUrl(_ image: CapImage) -> URL {
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private func remoteImageUrl(_ image: CapImage) -> URL {
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server.appendingPathComponent(String(format: "images/%04d/%04d-%02d.jpg", image.cap, image.cap, image.version))
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server.appendingPathComponent(String(format: "images/%04d/%04d-%02d.jpg", image.cap, image.cap, image.version))
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}
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}
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@discardableResult
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func save(_ image: UIImage, for cap: CapImage) -> Bool {
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guard let data = image.jpegData(compressionQuality: imageQuality) else {
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return false
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}
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let localUrl = localImageUrl(cap)
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guard removePossibleFile(localUrl) else {
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return false
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}
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do {
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try data.write(to: localUrl)
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return true
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} catch {
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print("failed to save image \(localUrl.lastPathComponent): \(error)")
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return false
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}
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}
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func availableImageUrl(_ image: CapImage) -> URL? {
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let url = localImageUrl(image)
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guard exists(url) else {
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return nil
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}
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return url
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}
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func image(_ image: CapImage, completion: @escaping (UIImage?) -> ()) {
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func image(_ image: CapImage, completion: @escaping (UIImage?) -> ()) {
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Task {
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Task {
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