Make sure, that the model ID is set

When a Streamate model is added by URL, make sure, that the ID is
loaded, so that saving and loading works properly, since the ID is saved
as site specific data.

common/src/main/java/ctbrec/sites/streamate/Streamate.java

@@ -193,7 +193,13 @@ public class Streamate extends AbstractSite {
         Matcher m = Pattern.compile("https?://.*?streamate.com/cam/([^/]*?)/?").matcher(url);
         if (m.matches()) {
             String modelName = m.group(1);
-            return createModel(modelName);
+            StreamateModel model = (StreamateModel) createModel(modelName);
+            try {
+                model.loadModelInfo();
+            } catch (IOException e) {
+                LOG.error("Couldn't load model info. This can cause problems with saving / loading the model");
+            }
+            return model;
         } else {
             return super.createModelFromUrl(url);
         }

common/src/main/java/ctbrec/sites/streamate/StreamateModel.java

@@ -37,6 +37,7 @@ public class StreamateModel extends AbstractModel {
     private List<StreamSource> streamSources = new ArrayList<>();
     private int[] resolution;
     private Long id;
+    private String streamId;
 
     @Override
     public boolean isOnline(boolean ignoreCache) throws IOException, ExecutionException, InterruptedException {
@@ -218,6 +219,11 @@ public class StreamateModel extends AbstractModel {
     }
 
     private String getStreamId() throws IOException {
+        loadModelInfo();
+        return streamId;
+    }
+
+    void loadModelInfo() throws IOException {
         String url = "https://hybridclient.naiadsystems.com/api/v1/config/?name=" + getName()
         + "&sabasic=&sakey=&sk=www.streamate.com&userid=0&version=6.3.17&ajax=1";
         Request request = new Request.Builder()
@@ -232,7 +238,9 @@ public class StreamateModel extends AbstractModel {
             if(response.isSuccessful()) {
                 JSONObject json = new JSONObject(response.body().string());
                 JSONObject stream = json.getJSONObject("stream");
-                return stream.getString("streamId");
+                streamId = stream.getString("streamId");
+                JSONObject performer = json.getJSONObject("performer");
+                id = performer.getLong("id");
             } else {
                 throw new HttpException(response.code(), response.message());
             }