fix OAProc relation types (#846)

* [OAProc]: fix relation types (#845)

* [OAProc]: fix relation types (#845)

pygeoapi/api.py

@@ -2526,11 +2526,31 @@ class API:
                 p2['links'] = p2.get('links', [])
 
                 jobs_url = '{}/jobs'.format(self.config['server']['url'])
+                process_url = '{}/processes/{}'.format(
+                    self.config['server']['url'], key)
 
                 # TODO translation support
+                link = {
+                    'type': FORMAT_TYPES[F_JSON],
+                    'rel': request.get_linkrel(F_JSON),
+                    'href': '{}?f={}'.format(process_url, F_JSON),
+                    'title': 'Process description as JSON',
+                    'hreflang': self.default_locale
+                }
+                p2['links'].append(link)
+
                 link = {
                     'type': FORMAT_TYPES[F_HTML],
-                    'rel': 'collection',
+                    'rel': request.get_linkrel(F_HTML),
+                    'href': '{}?f={}'.format(process_url, F_HTML),
+                    'title': 'Process description as HTML',
+                    'hreflang': self.default_locale
+                }
+                p2['links'].append(link)
+
+                link = {
+                    'type': FORMAT_TYPES[F_HTML],
+                    'rel': 'http://www.opengis.net/def/rel/ogc/1.0/job-list',
                     'href': '{}?f={}'.format(jobs_url, F_HTML),
                     'title': 'jobs for this process as HTML',
                     'hreflang': self.default_locale
@@ -2539,13 +2559,22 @@ class API:
 
                 link = {
                     'type': FORMAT_TYPES[F_JSON],
-                    'rel': 'collection',
+                    'rel': 'http://www.opengis.net/def/rel/ogc/1.0/job-list',
                     'href': '{}?f={}'.format(jobs_url, F_JSON),
                     'title': 'jobs for this process as JSON',
                     'hreflang': self.default_locale
                 }
                 p2['links'].append(link)
 
+                link = {
+                    'type': FORMAT_TYPES[F_JSON],
+                    'rel': 'http://www.opengis.net/def/rel/ogc/1.0/execute',
+                    'href': '{}/execution?f={}'.format(process_url, F_JSON),
+                    'title': 'Execution for this process as JSON',
+                    'hreflang': self.default_locale
+                }
+                p2['links'].append(link)
+
                 processes.append(p2)
 
         if process is not None:

pygeoapi/process/hello_world.py

@@ -53,7 +53,7 @@ PROCESS_METADATA = {
     'keywords': ['hello world', 'example', 'echo'],
     'links': [{
         'type': 'text/html',
-        'rel': 'canonical',
+        'rel': 'about',
         'title': 'information',
         'href': 'https://example.org/process',
         'hreflang': 'en-US'

tests/test_api.py

@@ -1116,7 +1116,7 @@ def test_describe_processes(config, api_):
     assert process['version'] == '0.2.0'
     assert process['title'] == 'Hello World'
     assert len(process['keywords']) == 3
-    assert len(process['links']) == 3
+    assert len(process['links']) == 6
     assert len(process['inputs']) == 2
     assert len(process['outputs']) == 1
     assert len(process['outputTransmission']) == 1