Add more placeholders for the event URL in the HTML report

sourcespec/config_files/configspec.conf

@@ -686,9 +686,14 @@ plot_map_tiles_zoom_level = integer(min=1, max=23, default=None)
 # Note: "plot_save_format" (above) must be "png" or "svg"
 html_report = boolean(default=False)
 # Link to event page. If set, the event ID on the HTML page will be a link to
-# the event page. Use $EVENTID to indicate the current event ID.
-# Example:
+# the event page. You can use the following placeholders:
+# - $EVENTID: the event ID
+# - $YEAR: the year of the event
+# - $MONTH: the month of the event
+# - $DAY: the day of the event
+# Examples:
 #   event_url = https://earthquake.usgs.gov/earthquakes/eventpage/$EVENTID/executive
+#   event_url = http://bbnet.gein.noa.gr/Events/$YEAR/$MONTH/$EVENTID_info.html
 event_url = string(default=None)
 # -------- HTML REPORT
 

sourcespec/ssp_html_report.py

@@ -395,6 +395,12 @@ def _add_event_info_to_html(config, replacements):
     event_url = config.event_url
     if event_url is not None:
         event_url = event_url.replace('$EVENTID', evid)
+        event_year = hypo.origin_time.year
+        event_month = hypo.origin_time.month
+        event_day = hypo.origin_time.day
+        event_url = event_url.replace('$YEAR', f'{event_year:04d}')
+        event_url = event_url.replace('$MONTH', f'{event_month:02d}')
+        event_url = event_url.replace('$DAY', f'{event_day:02d}')
         parsed_url = urlparse(event_url)
         if not parsed_url.scheme:
             logger.warning(