Fix fetch UI default fetch backend option icon (#1343)

changedetectionio/__init__.py

@@ -417,6 +417,7 @@ def changedetection_app(config=None, datastore_o=None):
                                  has_unviewed=datastore.has_unviewed,
                                  hosted_sticky=os.getenv("SALTED_PASS", False) == False,
                                  queued_uuids=[q_uuid.item['uuid'] for q_uuid in update_q.queue],
+                                 system_default_fetcher=datastore.data['settings']['application'].get('fetch_backend'),
                                  tags=existing_tags,
                                  watches=sorted_watches
                                  )

changedetectionio/model/Watch.py

@@ -18,7 +18,7 @@ base_config = {
     'consecutive_filter_failures': 0,  # Every time the CSS/xPath filter cannot be located, reset when all is fine.
     'extract_text': [],  # Extract text by regex after filters
     'extract_title_as_title': False,
-    'fetch_backend': None,
+    'fetch_backend': 'system',
     'filter_failure_notification_send': strtobool(os.getenv('FILTER_FAILURE_NOTIFICATION_SEND_DEFAULT', 'True')),
     'has_ldjson_price_data': None,
     'track_ldjson_price_data': None,

changedetectionio/store.py

@@ -673,3 +673,13 @@ class ChangeDetectionStore:
                 self.data['settings']['application']['notification_urls'][i] = re.sub(r, r'{{\1}}', url)
 
         return
+
+    # Some setups may have missed the correct default, so it shows the wrong config in the UI, although it will default to system-wide
+    def update_10(self):
+        for uuid, watch in self.data['watching'].items():
+            try:
+                if not watch.get('fetch_backend', ''):
+                    watch['fetch_backend'] = 'system'
+            except:
+                continue
+        return

changedetectionio/templates/watch-overview.html

@@ -91,7 +91,12 @@
                     <a class="external" target="_blank" rel="noopener" href="{{ watch.link.replace('source:','') }}"></a>
                     <a class="link-spread" href="{{url_for('form_share_put_watch', uuid=watch.uuid)}}"><img class="status-icon"  src="{{url_for('static_content', group='images', filename='spread.svg')}}" class="status-icon icon icon-spread" title="Create a link to share watch config with others" /></a>
 
-                    {%if watch.get_fetch_backend == "html_webdriver" %}<img class="status-icon" src="{{url_for('static_content', group='images', filename='Google-Chrome-icon.png')}}" title="Using a chrome browser" />{% endif %}
+                    {% if watch.get_fetch_backend == "html_webdriver"
+                         or (  watch.get_fetch_backend == "system" and system_default_fetcher == 'html_webdriver'  )
+                    %}
+                    <img class="status-icon" src="{{url_for('static_content', group='images', filename='Google-Chrome-icon.png')}}" title="Using a chrome browser" />
+                    {% endif %}
+
                     {%if watch.is_pdf  %}<img class="status-icon" src="{{url_for('static_content', group='images', filename='pdf-icon.svg')}}" title="Converting PDF to text" />{% endif %}
                     {% if watch.last_error is defined and watch.last_error != False %}
                     <div class="fetch-error">{{ watch.last_error }}