Dynamic tracking services (#4690)

Added bean for both scarf and posthog
followed documentation at
https://docs.stirlingpdf.com/analytics-telemetry

Co-authored-by: Connor Yoh <connor@stirlingpdf.com>

app/common/src/main/java/stirling/software/common/configuration/AppConfig.java

@@ -271,9 +271,14 @@ public class AppConfig {
         return "NORMAL";
     }
 
-    @Bean(name = "disablePixel")
-    public boolean disablePixel() {
-        return Boolean.parseBoolean(env.getProperty("DISABLE_PIXEL", "false"));
+    @Bean(name = "scarfEnabled")
+    public boolean scarfEnabled() {
+        return applicationProperties.getSystem().isScarfEnabled();
+    }
+
+    @Bean(name = "posthogEnabled")
+    public boolean posthogEnabled() {
+        return applicationProperties.getSystem().isPosthogEnabled();
     }
 
     @Bean(name = "machineType")

app/common/src/main/java/stirling/software/common/model/ApplicationProperties.java

@@ -320,6 +320,8 @@ public class ApplicationProperties {
         private String tessdataDir;
         private Boolean enableAlphaFunctionality;
         private Boolean enableAnalytics;
+        private Boolean enablePosthog;
+        private Boolean enableScarf;
         private Datasource datasource;
         private Boolean disableSanitize;
         private int maxDPI;
@@ -333,6 +335,18 @@ public class ApplicationProperties {
         public boolean isAnalyticsEnabled() {
             return this.getEnableAnalytics() != null && this.getEnableAnalytics();
         }
+
+        public boolean isPosthogEnabled() {
+            // Treat null as enabled when analytics is enabled
+            return this.isAnalyticsEnabled()
+                    && (this.getEnablePosthog() == null || this.getEnablePosthog());
+        }
+
+        public boolean isScarfEnabled() {
+            // Treat null as enabled when analytics is enabled
+            return this.isAnalyticsEnabled()
+                    && (this.getEnableScarf() == null || this.getEnableScarf());
+        }
     }
 
     @Data

app/common/src/main/java/stirling/software/common/service/PostHogService.java

@@ -56,7 +56,7 @@ public class PostHogService {
     }
 
     private void captureSystemInfo() {
-        if (!applicationProperties.getSystem().isAnalyticsEnabled()) {
+        if (!applicationProperties.getSystem().isPosthogEnabled()) {
             return;
         }
         try {
@@ -67,7 +67,7 @@ public class PostHogService {
     }
 
     public void captureEvent(String eventName, Map<String, Object> properties) {
-        if (!applicationProperties.getSystem().isAnalyticsEnabled()) {
+        if (!applicationProperties.getSystem().isPosthogEnabled()) {
             return;
         }