Fix views

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/templates/advisory_detail.html

@@ -137,7 +137,11 @@
                                     applications, or networks. This metric is determined automatically based on the discovery of known exploits.">
                                     Exploitability</td>
                                 <td class="two-col-right wrap-strings">
-                                    {{ advisory.exploitability }}
+                                    {% if advisory.exploitability is not None %}
+                                        {{ advisory.exploitability }}
+                                    {% else %}
+                                        {{ "" }}
+                                    {% endif %}
                                 </td>
                             </tr>
 
@@ -146,7 +150,11 @@
                                     data-tooltip="Weighted severity is the highest value calculated by multiplying each severity by its corresponding weight, divided by 10."
                                 >Weighted Severity</td>
                                 <td class="two-col-right wrap-strings">
-                                    {{ advisory.weighted_severity }}
+                                    {% if advisory.weighted_severity is not None %}
+                                        {{ advisory.weighted_severity }}
+                                    {% else %}
+                                        {{ "" }}
+                                    {% endif %}
                                 </td>
                             </tr>
 
@@ -157,7 +165,11 @@
                                     "
                                 >Risk</td>
                                 <td class="two-col-right wrap-strings">
-                                    {{ advisory.risk_score }}
+                                    {% if advisory.risk_score is not None %}
+                                        {{ advisory.risk_score }}
+                                    {% else %}
+                                        {{ "" }}
+                                    {% endif %}
                                 </td>
                             </tr>
                             <tr>

vulnerabilities/views.py

@@ -217,6 +217,14 @@ def get_context_data(self, **kwargs):
         context["package_search_form"] = PackageSearchForm(self.request.GET)
 
         if not package.type in TYPES_WITH_MULTIPLE_IMPORTERS:
+            affecting_advisories = AdvisoryV2.objects.latest_affecting_advisories_for_purl(
+            purl=package.purl
+            )
+
+            fixed_by_advisories = AdvisoryV2.objects.latest_fixed_by_advisories_for_purl(
+                purl=package.purl
+            )
+
             context["grouped"] = False
 
             affected_by_advisories_url = None
@@ -282,15 +290,14 @@ def get_context_data(self, **kwargs):
 
             return context
 
-        affecting_advisories = AdvisoryV2.objects.latest_affecting_advisories_for_purl(
-            purl=package.purl
-        )
-
-        fixed_by_advisories = AdvisoryV2.objects.latest_fixed_by_advisories_for_purl(
+        if package.type in TYPES_WITH_MULTIPLE_IMPORTERS:
+            affecting_advisories = AdvisoryV2.objects.latest_affecting_advisories_for_purl(
             purl=package.purl
-        )
+            )
 
-        if package.type in TYPES_WITH_MULTIPLE_IMPORTERS:
+            fixed_by_advisories = AdvisoryV2.objects.latest_fixed_by_advisories_for_purl(
+                purl=package.purl
+            )
             fixed_pkg_details = get_fixed_package_details(package)
             context["fixed_package_details"] = fixed_pkg_details
             context["grouped"] = True