1 files changed, 58 insertions, 0 deletions
diff --git a/src/event_utils.hh b/src/event_utils.hh
new file mode 100644
index 0000000..8151d64
--- /dev/null
+++ b/src/event_utils.hh
@@ -0,0 +1,58 @@
+#ifndef EVENT_UTILS_HH
+#define EVENT_UTILS_HH
+
+#include <functional>
+#include <memory>
+#include <string>
+
+namespace stuff {
+
+class Config;
+class Event;
+class SenderClient;
+
+class EventUtils {
+public:
+    virtual ~EventUtils();
+
+    virtual std::unique_ptr<Event> create(
+            const std::string& name, time_t start) = 0;
+    virtual void created(Event* event) = 0;
+
+    virtual std::vector<std::unique_ptr<Event>> all() = 0;
+    virtual std::unique_ptr<Event> next() = 0;
+
+    virtual bool good() const = 0;
+
+    virtual void cancel(Event* event, size_t index) = 0;
+
+    virtual void updated(Event* event, int64_t was_first) = 0;
+
+    virtual void going(Event* event, bool going, const std::string& user,
+                       const std::string& owner) = 0;
+
+    virtual const std::string& channel() const = 0;
+
+    static std::unique_ptr<EventUtils> create(
+            const std::string& channel,
+            std::function<void(const std::string&)> error_cb,
+            Config* config,
+            SenderClient* sender);
+
+    static const double ONE_DAY_IN_SEC;
+    static const double ONE_WEEK_IN_SEC;
+    static const double ONE_YEAR_IN_SEC;
+
+    static std::string format_date(time_t date);
+
+protected:
+    EventUtils();
+
+private:
+    EventUtils(const EventUtils&) = delete;
+    EventUtils& operator=(const EventUtils&) = delete;
+};
+
+}  // namespace stuff
+
+#endif /* EVENT_UTILS_HH */