Analytics: add capture API

vector/src/main/java/im/vector/app/features/analytics/VectorAnalytics.kt

@@ -58,4 +58,9 @@ interface VectorAnalytics {
      * To be called when application is started
      */
     fun init()
+
+    /**
+     * Capture an Event
+     */
+    fun capture(event: String, properties: Map<String, Any>? = null)
 }

vector/src/main/java/im/vector/app/features/analytics/impl/DefaultVectorAnalytics.kt

@@ -18,6 +18,7 @@ package im.vector.app.features.analytics.impl
 
 import android.content.Context
 import com.posthog.android.PostHog
+import com.posthog.android.Properties
 import im.vector.app.features.analytics.AnalyticsConfig
 import im.vector.app.features.analytics.VectorAnalytics
 import im.vector.app.features.analytics.store.AnalyticsStore
@@ -60,6 +61,8 @@ class DefaultVectorAnalytics @Inject constructor(
     override suspend fun onSignOut() {
         // reset the analyticsId
         setAnalyticsId("")
+        // reset the library
+        posthog?.reset()
     }
 
     override fun init() {
@@ -86,4 +89,15 @@ class DefaultVectorAnalytics @Inject constructor(
                 .collectDeviceId(false)
                 .build()
     }
+
+    override fun capture(event: String, properties: Map<String, Any>?) {
+        posthog?.capture(
+                event,
+                properties?.let { props ->
+                    Properties().apply {
+                        props.forEach { putValue(it.key, it.value) }
+                    }
+                }
+        )
+    }
 }