Add rating for contact and social media links

rating/__init__.py

@@ -6,6 +6,7 @@ criteria based on information gather by checks before.
 import logging
 
 from rating import canonical_url
+from rating import contact_link
 from rating import favicon
 from rating import feeds
 from rating import https
@@ -15,6 +16,7 @@ from rating import reachable
 from rating import resolvable
 from rating import response_duration
 from rating import responsive_layout
+from rating import social_media_links
 from rating import use_specific_fonts
 from rating import www_optional
 
@@ -30,6 +32,7 @@ def calculate_rating(results):
     # The raters to execute.
     rating_modules = {
         'CANONICAL_URL': canonical_url,
+        'CONTACT_LINK': contact_link,
         'DNS_RESOLVABLE_IPV4': resolvable,
         'FAVICON': favicon,
         'FEEDS': feeds,
@@ -39,6 +42,7 @@ def calculate_rating(results):
         'NO_SCRIPT_ERRORS': no_script_errors,
         'RESPONSIVE': responsive_layout,
         'SITE_REACHABLE': reachable,
+        'SOCIAL_MEDIA_LINKS': social_media_links,
         'USE_SPECIFIC_FONTS': use_specific_fonts,
         'WWW_OPTIONAL': www_optional,
     }

rating/contact_link.py

@@ -0,0 +1,41 @@
+"""
+Checks whether the pages has a link "Kontakt"
+"""
+
+from rating.abstract_rater import AbstractRater
+
+class Rater(AbstractRater):
+
+    rating_type = 'boolean'
+    default_value = False
+    depends_on_checks = ['hyperlinks']
+    max_score = 1
+
+    def __init__(self, check_results):
+        super().__init__(check_results)
+    
+    def rate(self):
+        value = self.default_value
+        score = 0
+
+        urls = 0
+        urls_with_contact_link = 0
+
+        for url in self.check_results['hyperlinks']:
+
+            urls += 1
+
+            for link in self.check_results['hyperlinks'][url]['links']:
+                if link['text'].lower() == 'kontakt':
+                    urls_with_contact_link += 1
+
+        if urls_with_contact_link == urls:
+            score = self.max_score
+            value = True
+
+        return {
+            'type': self.rating_type,
+            'value': value,
+            'score': score,
+            'max_score': self.max_score,
+        }

rating/social_media_links.py

@@ -0,0 +1,59 @@
+"""
+Checks whether the pages have a link to social media profiles.
+"""
+
+from rating.abstract_rater import AbstractRater
+from urllib.parse import urlparse
+import logging
+
+class Rater(AbstractRater):
+
+    rating_type = 'boolean'
+    default_value = False
+    depends_on_checks = ['hyperlinks']
+    max_score = 1
+
+    def __init__(self, check_results):
+        super().__init__(check_results)
+    
+    def rate(self):
+        value = self.default_value
+        score = 0
+
+        urls = 0
+        urls_with_social_media_links = 0
+
+        for url in self.check_results['hyperlinks']:
+
+            urls += 1
+
+            for link in self.check_results['hyperlinks'][url]['links']:
+                
+                if link['href'] is None:
+                    continue
+
+                # only process absolute links
+                if not (link['href'].startswith('http:') or link['href'].startswith('https:')):
+                    continue
+                
+                parsed = urlparse(link['href'])
+                if ("facebook.com" in parsed.hostname or
+                    "twitter.com" in parsed.hostname or
+                    "instagram.com" in parsed.hostname or
+                    "plus.google.com" in parsed.hostname):
+                    logging.debug("Found social media link on %s: %s" % (url, link['href']))
+                    urls_with_social_media_links += 1
+                    
+                    # make sure we only count 1 for this url
+                    break
+
+        if urls_with_social_media_links == urls:
+            score = self.max_score
+            value = True
+
+        return {
+            'type': self.rating_type,
+            'value': value,
+            'score': score,
+            'max_score': self.max_score,
+        }