add first and last link relations

Author: tomkralidis

pycsw/ogc/api/records.py

@@ -840,7 +840,21 @@ def items(self, headers_, json_post_data, args, collection='metadata:main'):
                     'type': 'application/geo+json',
                     'rel': 'prev',
                     'title': 'items (prev)',
-                    'href': f"{bind_url(url_)}offset={prev}",
+                    'href': f'{bind_url(url_)}offset={prev}',
+                    'hreflang': self.config['server']['language']
+                })
+        else:
+            link_args.pop('offset', None)
+
+            url_ = f"{self.config['server']['url']}/{fragment}?{urlencode(link_args)}"
+
+            response['links'].append(
+                {
+                    'type': 'application/geo+json',
+                    'rel': 'first',
+                    'title': 'items (first)',
+                    'href': f'{bind_url(url_)}',
+                    'href': url_,
                     'hreflang': self.config['server']['language']
                 })
 
@@ -858,6 +872,21 @@ def items(self, headers_, json_post_data, args, collection='metadata:main'):
                 'href': f"{bind_url(url_)}offset={next_}",
                 'hreflang': self.config['server']['language']
             })
+        elif (offset + returned) >= count:
+            link_args.pop('offset', None)
+
+            last = offset + returned
+
+            url_ = f"{self.config['server']['url']}/{fragment}?{urlencode(link_args)}"
+
+            response['links'].append({
+                'rel': 'last',
+                'type': 'application/geo+json',
+                'title': 'items (last)',
+                'href': f"{bind_url(url_)}offset={last}",
+                'hreflang': self.config['server']['language']
+            })
+
 
         if headers_['Content-Type'] == 'text/html':
             response['title'] = self.config['metadata']['identification']['title']

pycsw/stac/api.py

@@ -376,18 +376,19 @@ def queryables(self, headers_, args, collection='metadata:main'):
         headers, status, response = super().queryables(headers_, args, collection)
         response = json.loads(response)
 
-        eo_schema = 'https://raw.githubusercontent.com/ceos-org/stac-collection-and-granule-discovery-best-practices/refs/heads/main/schemas/opensearch-eo.json'
-        eo_props = {
-            'platform': 'platform',
-            'instrument': 'instrument',
-            'sensortype': 'sensorType',
-            'cloudcover': 'cloudCover',
-            'illuminationelevationangle': 'illuminationElevationAngle'
-        }
+        if 'properties' in response:
+            eo_schema = 'https://raw.githubusercontent.com/ceos-org/stac-collection-and-granule-discovery-best-practices/refs/heads/main/schemas/opensearch-eo.json'
+            eo_props = {
+                'platform': 'platform',
+                'instrument': 'instrument',
+                'sensortype': 'sensorType',
+                'cloudcover': 'cloudCover',
+                'illuminationelevationangle': 'illuminationElevationAngle'
+            }
 
-        for key, value in eo_props.items():
-            if key in response['properties']:
-                response['properties'][key]['$id'] = f'{eo_schema}#/properties/{eo_props[key]}'
+            for key, value in eo_props.items():
+                if key in response['properties']:
+                    response['properties'][key]['$id'] = f'{eo_schema}#/properties/{eo_props[key]}'
 
         return self.get_response(status, headers, response)