Add mechanism to automatically transfer portraits from client to server

common/src/main/java/ctbrec/image/RemotePortraitStore.java

@@ -1,10 +1,10 @@
 package ctbrec.image;
 
 import ctbrec.Config;
+import ctbrec.GlobalThreadPool;
 import ctbrec.Hmac;
 import ctbrec.io.HttpClient;
 import ctbrec.io.HttpException;
-import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import okhttp3.MediaType;
 import okhttp3.Request;
@@ -15,18 +15,56 @@ import java.io.IOException;
 import java.net.URLEncoder;
 import java.security.InvalidKeyException;
 import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
 import java.util.Optional;
 
 import static ctbrec.io.HttpConstants.MIMETYPE_IMAGE_JPG;
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 @Slf4j
-@RequiredArgsConstructor
 public class RemotePortraitStore implements PortraitStore {
 
     private final HttpClient httpClient;
     private final Config config;
 
+    public RemotePortraitStore(HttpClient httpClient, Config config) {
+        this.httpClient = httpClient;
+        this.config = config;
+        transferOldPortraitsToServer(config.getSettings().modelPortraits);
+    }
+
+    private void transferOldPortraitsToServer(Map<String, String> modelPortraits) {
+        LocalPortraitStore localPortraitStore = new LocalPortraitStore(config);
+        GlobalThreadPool.submit(() -> {
+            try {
+                Thread.sleep(5000);
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            }
+            List<String> successfullyTransfered = new ArrayList<>();
+            for (Map.Entry<String, String> entry : modelPortraits.entrySet()) {
+                localPortraitStore.loadModelPortraitById(entry.getValue()).ifPresent(data -> {
+                    try {
+                        log.info("Uploading portrait to server {} - {} bytes", entry.getKey(), data.length);
+                        RemotePortraitStore.this.writePortrait(entry.getKey(), data);
+                        successfullyTransfered.add(entry.getKey());
+                    } catch (Exception e) {
+                        log.warn("Could not transfer portrait from local to remote store: {} {}", entry.getKey(), entry.getValue());
+                    }
+                });
+            }
+            for (String s : successfullyTransfered) {
+                try {
+                    localPortraitStore.removePortrait(s);
+                } catch (IOException e) {
+                    log.warn("Could not delete local potrait, which has been transferred to the server: {} ", s, e);
+                }
+            }
+        });
+    }
+
     private String getEndpoint() {
         return config.getServerUrl() + "/image/portrait";
     }