Add configuration for tracking

src/main/java/de/thm/arsnova/controller/ConfigurationController.java

@@ -61,7 +61,7 @@ public class ConfigurationController extends AbstractController {
 
 	@Value("${links.imprint.url}")
 	private String imprintUrl;
-	
+
 	@Value("${links.blog.url:}")
 	private String blogUrl;
 
@@ -98,6 +98,15 @@ public class ConfigurationController extends AbstractController {
 	@Value("${question.parse-answer-option-formatting:false}")
 	private String parseAnswerOptionFormatting;
 
+	@Value("${tracking.provider}")
+	private String trackingProvider;
+
+	@Value("${tracking.tracker-url}")
+	private String trackingTrackerUrl;
+
+	@Value("${tracking.site-id}")
+	private String trackingSiteId;
+
 	@RequestMapping(method = RequestMethod.GET)
 	@ResponseBody
 	public final HashMap<String, Object> getConfiguration(HttpServletRequest request) {
@@ -151,6 +160,15 @@ public class ConfigurationController extends AbstractController {
 		features.put("flashcard", "true".equals(flashcardEnabled));
 		features.put("gridSquare", "true".equals(gridSquareEnabled));
 
+		if (!"".equals(trackingTrackerUrl)) {
+			HashMap<String, String> tracking = new HashMap<String, String>();
+			config.put("tracking", tracking);
+
+			tracking.put("provider", trackingProvider);
+			tracking.put("trackerUrl", trackingTrackerUrl);
+			tracking.put("siteId", trackingSiteId);
+		}
+
 		return config;
 	}
 }

src/main/resources/arsnova.properties.example

@@ -94,7 +94,7 @@ security.user-db.reset-password-mail.body=You requested to reset your \
     password.\n\nPlease follow the link below to set a new password:\n{0}
 
 # LDAP authentication
-# 
+#
 # Specific parameters:
 # url: LDAP server URL
 # user-dn-pattern: Pattern used to check user credentials against the LDAP
@@ -200,3 +200,14 @@ links.overlay.url=https://arsnova.eu/overlay/
 links.organization.url=
 links.imprint.url=
 links.privacy-policy.url=
+
+
+################################################################################
+# Tracking
+################################################################################
+# It is possible to use an external tracking software with ARSnova. Currently
+# Piwik is the only supported tracking provider.
+#
+tracking.provider=piwik
+tracking.tracker-url=
+tracking.site-id=

src/test/resources/arsnova.properties.example

@@ -94,7 +94,7 @@ security.user-db.reset-password-mail.body=You requested to reset your \
     password.\n\nPlease follow the link below to set a new password:\n{0}
 
 # LDAP authentication
-# 
+#
 # Specific parameters:
 # url: LDAP server URL
 # user-dn-pattern: Pattern used to check user credentials against the LDAP
@@ -199,3 +199,14 @@ links.overlay.url=https://arsnova.eu/overlay/
 links.organization.url=
 links.imprint.url=
 links.privacy-policy.url=
+
+
+################################################################################
+# Tracking
+################################################################################
+# It is possible to use an external tracking software with ARSnova. Currently
+# Piwik is the only supported tracking provider.
+#
+tracking.provider=piwik
+tracking.tracker-url=
+tracking.site-id=