Add Model.exists to check, if a model account exists

client/src/main/java/ctbrec/ui/JavaFxModel.java

@@ -307,4 +307,9 @@ public class JavaFxModel implements Model {
     public void setRecordUntilSubsequentAction(SubsequentAction action) {
         delegate.setRecordUntilSubsequentAction(action);
     }
+
+    @Override
+    public boolean exists() throws IOException {
+        return delegate.exists();
+    }
 }

client/src/main/java/ctbrec/ui/action/CheckModelAccountAction.java

@@ -1,7 +1,5 @@
 package ctbrec.ui.action;
 
-import static ctbrec.io.HttpConstants.*;
-
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -9,14 +7,11 @@ import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import ctbrec.Config;
 import ctbrec.Model;
 import ctbrec.recorder.Recorder;
 import ctbrec.ui.controls.Dialogs;
 import javafx.application.Platform;
 import javafx.scene.control.Button;
-import okhttp3.Request;
-import okhttp3.Response;
 
 public class CheckModelAccountAction {
     private static final Logger LOG = LoggerFactory.getLogger(CheckModelAccountAction.class);
@@ -43,12 +38,8 @@ public class CheckModelAccountAction {
                     final int counter = i+1;
                     Platform.runLater(() -> b.setText(buttonText + ' ' + counter + '/' + total));
                     Model modelToCheck = models.get(i);
-                    Request req = new Request.Builder()
+                    try {
-                            .url(modelToCheck.getUrl())
+                        if (!modelToCheck.exists()) {
-                            .header(USER_AGENT, Config.getInstance().getSettings().httpUserAgent)
-                            .build();
-                    try(Response response = modelToCheck.getSite().getHttpClient().execute(req)) {
-                        if(!response.isSuccessful() && response.code() == 404) {
                             deletedAccounts.add(modelToCheck);
                         }
                     } catch (IOException e) {

common/src/main/java/ctbrec/AbstractModel.java

@@ -1,5 +1,7 @@
 package ctbrec;
 
+import static ctbrec.io.HttpConstants.*;
+
 import java.io.IOException;
 import java.time.Instant;
 import java.util.ArrayList;
@@ -17,6 +19,8 @@ import ctbrec.recorder.download.HttpHeaderFactoryImpl;
 import ctbrec.recorder.download.hls.HlsDownload;
 import ctbrec.recorder.download.hls.MergedFfmpegHlsDownload;
 import ctbrec.sites.Site;
+import okhttp3.Request;
+import okhttp3.Response;
 
 public abstract class AbstractModel implements Model {
 
@@ -270,4 +274,18 @@ public abstract class AbstractModel implements Model {
         fac.setSegmentHeaders(new HashMap<>());
         return fac;
     }
+
+    @Override
+    public boolean exists() throws IOException {
+        Request req = new Request.Builder() // @formatter:off
+                .url(getUrl())
+                .header(USER_AGENT, Config.getInstance().getSettings().httpUserAgent)
+                .build(); // @formatter:on
+        try (Response response = getSite().getHttpClient().execute(req)) {
+            if (!response.isSuccessful() && response.code() == 404) {
+                return false;
+            }
+        }
+        return true;
+    }
 }

common/src/main/java/ctbrec/Model.java

@@ -136,4 +136,11 @@ public interface Model extends Comparable<Model>, Serializable {
     public SubsequentAction getRecordUntilSubsequentAction();
     public void setRecordUntilSubsequentAction(SubsequentAction action);
 
+    /**
+     * Check, if this model account exists
+     * @return true, if it exists, false otherwise
+     * @throws IOException
+     */
+    public boolean exists() throws IOException;
+
 }