feat: export heic to jpg

PhotosExporter/exporter/PhotosExporter.swift

@@ -8,6 +8,9 @@
 
 import Foundation
 import MediaLibrary
+import CoreImage
+import AppKit
+import Photos
 
 
 enum PhotosExporterError: Error {
@@ -82,6 +85,8 @@ class PhotosExporter {
     var exportCurrent = true
     // set to true if original photos should be exported
     var exportOriginals = true
+    // set to true if HEIC photos should be converted to JPG
+    var convertHeic2Jpg = false
 
     let fileManager = FileManager.default
 
@@ -436,6 +441,36 @@ class PhotosExporter {
             }
             statistics.countLinkedFiles += 1
             stopWatchFileManagerLinkItem.stop()
+
+            if sourceUrl.pathExtension.lowercased() == "heic" && convertHeic2Jpg {
+
+                if let image = CIImage(contentsOf: sourceUrl) {
+                    let context = CIContext()
+                    let data = context.jpegRepresentation(of: image, colorSpace: CGColorSpaceCreateDeviceRGB(), options: [kCGImageDestinationLossyCompressionQuality as CIImageRepresentationOption:0.8])
+                    var targetJPEGUrl = URL.init(fileURLWithPath: "\(targetPath)/\(fotoName).jpg")
+                    logger.debug("Convert HEIC foto: \(fotoName) to \(targetJPEGUrl)")
+                    var i = 1
+                    while fileManager.fileExists(atPath: targetJPEGUrl.path) {
+                        targetJPEGUrl = URL(fileURLWithPath: "\(targetJPEGUrl)/\(fotoName) (\(i)).jpg")
+                        i += 1
+                    }
+                    logger.debug("convert jpg image: \(targetJPEGUrl.lastPathComponent)")
+                    do {
+                        try data?.write(to: targetJPEGUrl)
+                    } catch {
+                        logger.error("\(String(describing: index)): Unable to convert heic to jpg : \(fotoName) to \(targetJPEGUrl). Error: \(error)")
+                    }
+
+                    do {
+                        if let creationDate = try fileManager.attributesOfItem(atPath: sourceUrl.path)[FileAttributeKey.creationDate] as? Date {
+                            try fileManager.setAttributes([FileAttributeKey.creationDate:creationDate], ofItemAtPath: targetJPEGUrl.path)
+                        }
+                    } catch {
+                        logger.error("\(String(describing: index)): Unable to set creationDate to jpg : \(fotoName) to \(targetJPEGUrl). Error: \(error)")
+                    }
+                }
+            }
+
         } else {
             logger.warn("Source URL of mediaObject unknown: \(mediaObject)")
         }

PhotosExporter/exporter/PhotosExporterFactory.swift

@@ -85,6 +85,9 @@ class PhotosExporterFactory {
         if let exportOriginals = plan.exportOriginals {
             photosExporter.exportOriginals = exportOriginals
         }
+        if let convertHeic2Jpg = plan.convertHeic2Jpg {
+            photosExporter.convertHeic2Jpg = convertHeic2Jpg
+        }
 
         return photosExporter
     }

PhotosExporter/preferences/PreferencesReader.swift

@@ -90,6 +90,7 @@ class PreferencesReader {
                     }
                     plan.exportCurrent = planDict["exportCurrent"]?.bool
                     plan.exportOriginals = planDict["exportOriginals"]?.bool
+                    plan.convertHeic2Jpg = planDict["convertHeic2Jpg"]?.bool
 
                     if let plan = plan as? FileSystemExportPlan {
                         plan.targetFolder = planDict["targetFolder"]?.string

PhotosExporter/preferences/model/Plan.swift

@@ -21,6 +21,9 @@ class Plan {
     // exports the original assets
     public var exportOriginals: Bool?
 
+    // convert heic to jpg
+    public var convertHeic2Jpg: Bool?
+
 
     public var mediaObjectFilter = MediaObjectFilter()
 
@@ -49,6 +52,9 @@ class Plan {
         if let exportOriginals = exportOriginals {
             result += "exportOriginals: \(exportOriginals)\n".indent(indent)
         }
+        if let convertHeic2Jpg = convertHeic2Jpg {
+            result += "convertHeic2Jpg: \(convertHeic2Jpg)\n".indent(indent)
+        }
         result += mediaObjectFilter.toYaml(indent: indent)
 
         return result