Trim app and recovery binaries

components/metrics/Batch.h

@@ -0,0 +1,46 @@
+#pragma once
+#include "Events.h"
+#include <string>
+#ifdef __cplusplus
+namespace Metrics {
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+
+class Batch {
+  private:
+    std::list<Event> _events;
+    bool _warned = false;
+    std::string _metrics_uid = nullptr;
+    const char* _api_key = nullptr;
+    const char* _url = nullptr;
+    void build_guid();
+    void assign_id();
+
+  public:
+    Batch() = default;
+    void configure(const char* api_key, const char* url) {
+        _api_key = api_key;
+        _url = url;
+        assign_id();
+    }
+    Event& add_feature_event();
+    void add_remove_feature_event(const char* name, bool active);
+    Event& add_feature_variant_event(const char* const name, const char* const value);
+    Event& add_event(const char* name) {
+        _events.emplace_back(name);
+        return _events.back();
+    }
+
+    bool has_events() const { return !_events.empty(); }
+    void remove_feature_event(const char* name);
+    cJSON* to_json();
+    char* to_json_str();
+    void push();
+};
+}
+#endif
+#ifdef __cplusplus
+}
+#endif