fix: send usage analytics only when media_id is loaded

Author: maximzavadskiy

src/usage.ts

@@ -1,9 +1,9 @@
-import type { PlayerWith } from "@flowplayer/player";
+import type { PlayerWith, Player } from "@flowplayer/player";
+import flowplayer from "@flowplayer/player";
 
 type SampleRate = 1.0 | 0.1 | 0.001;
 
 const PACKAGE_NAME = "react-flowplayer";
-
 type Behavior = "flowplayer-component-mounted";
 
 type UsageEventDetail = {
@@ -13,17 +13,35 @@ type UsageEventDetail = {
 };
 
 type PlayerWithUsage = PlayerWith<{
+  // internal API
   emit(event: "flowplayer:feature", detail: UsageEventDetail): void;
+  opts: Player["opts"] & {
+    metadata?: {
+      media_id: string;
+      stream_target_id: string;
+    };
+  };
 }>;
 
 export function trackBehaviorUsage(
   player: PlayerWithUsage,
   behavior: Behavior,
   sample_rate: SampleRate = 1.0
 ) {
-  player.emit("flowplayer:feature", {
-    feature_name: PACKAGE_NAME,
-    behavior,
-    sample_rate,
+  let reportedOnce = false;
+  // analytics backend only handles events with media_id, so we need to ensure that it is set
+  player.on(flowplayer.events.SOURCE, () => {
+    const hasMediaIdLike =
+      typeof player.opts.metadata?.media_id === "string" ||
+      typeof player.opts.metadata?.stream_target_id === "string";
+
+    if (!reportedOnce && hasMediaIdLike) {
+      player.emit("flowplayer:feature", {
+        feature_name: PACKAGE_NAME,
+        behavior,
+        sample_rate,
+      });
+      reportedOnce = true;
+    }
   });
 }