feat: Add a filter for changing the course about page URL.

Author: feanil

backend/sample_plugin/pipeline.py

@@ -0,0 +1,28 @@
+import logging
+import re
+
+from openedx_filters.filters import PipelineStep
+
+logger = logging.getLogger(__name__)
+
+
+class ChangeCourseAboutPageUrl(PipelineStep):
+    def run_filter(self, url, org, **kwargs):
+        """
+        The `run_filter` function must return eiter a dictonary with keys matching the names of the params passed in, or
+        none.  More info can be found in the run_filter base docs:
+            https://docs.openedx.org/projects/openedx-filters/en/latest/reference/filters-tooling.html#openedx_filters.filters.PipelineStep.run_filter
+        """
+
+        # Extract the course ID from the existing URL
+        pattern = r'(?P<course_id>course-v1:[^/]+)'
+
+        match = re.search(pattern, url)
+        if match:
+            course_id = match.group('course_id')
+            new_url = f"https://example.com/new_about_page/{course_id}"
+            logging.debug(f"Replacing old course about url for {course_id} with a different site.")
+            return {"url": new_url, "org": org}
+
+        data = {"url": url, "org": org}
+        return data