Allow serializing of patches for xml

Signed-off-by: Michael Schlenker <[email protected]>

Author: Michael Schlenker

cyclonedx/output/xml.py

@@ -473,9 +473,32 @@ def add_patch_element(patch: Patch) -> ElementTree.Element:
                 diff_element.append(Xml._add_attached_text(attached_text=patch.diff.text))
             if patch.diff.url:
                 ElementTree.SubElement(diff_element, 'url').text = str(patch.diff.url)
-
+        if patch.resolves:
+            Xml._add_resolves_element(patch.resolves, patch_element)
         return patch_element
 
+    @staticmethod
+    def _add_resolves_element(resolves: "SortedSet[IssueType]", parent_element: ElementTree.Element) -> None:
+        resolves_element = ElementTree.SubElement(parent_element, 'resolves')
+        for issue in resolves:
+            issue_element = ElementTree.SubElement(resolves_element, 'issue', {'type': issue.type.value})
+            if issue.id:
+                ElementTree.SubElement(issue_element, 'id').text = issue.id
+            if issue.name:
+                ElementTree.SubElement(issue_element, 'name').text = issue.name
+            if issue.description:
+                ElementTree.SubElement(issue_element, 'description').text = issue.description
+            if issue.source:
+                source_element = ElementTree.SubElement(issue_element, 'source')
+                if issue.source.name:
+                    ElementTree.SubElement(source_element, 'name').text = issue.source.name
+                if issue.source.url:
+                    ElementTree.SubElement(source_element, 'url').text = str(issue.source.url)
+            if issue.references:
+                references_element = ElementTree.SubElement(issue_element, 'references')
+                for reference in issue.references:
+                    ElementTree.SubElement(references_element, 'url').text = str(reference)
+
     @staticmethod
     def _add_properties_element(properties: "SortedSet[Property]", parent_element: ElementTree.Element) -> None:
         properties_e = ElementTree.SubElement(parent_element, 'properties')