modified: serv_nginx/api_bb/internal/database/migrate.go

new file:   serv_nginx/api_bb/internal/handlers/event_handler.go
	new file:   serv_nginx/api_bb/internal/handlers/event_registration_handler.go
	modified:   serv_nginx/api_bb/internal/handlers/handlers.go
	modified:   serv_nginx/api_bb/internal/models/event.go
	modified:   serv_nginx/api_bb/internal/routes/routes.go
	new file:   serv_nginx/api_bb/internal/service/event_registration_service.go
	new file:   serv_nginx/api_bb/internal/service/event_service.go
	new file:   serv_nginx/api_bb/pkg/middleware/admin_middleware.go
add admin middleware, add event and eventRegistration handlers, routes,
services, EndPoints

serv_nginx/api_bb/pkg/middleware/admin_middleware.go

@@ -0,0 +1,49 @@
+// pkg/middleware/admin_middleware.go
+package middleware
+
+import (
+	"api_bb/pkg/logger"
+	"api_bb/pkg/utils"
+	"net/http"
+
+	"go.uber.org/zap"
+)
+
+// AdminMiddleware проверяет, что пользователь имеет роль администратора
+func AdminMiddleware(next http.Handler) http.Handler {
+	logger := logger.NewWrapper(logger.Get().With(zap.String("middleware", "admin")))
+
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		logger.Info("admin middleware check",
+			zap.String("method", r.Method),
+			zap.String("path", r.URL.Path),
+			zap.String("remote_addr", r.RemoteAddr),
+		)
+
+		// Получаем пользователя из контекста
+		user, ok := GetUserFromContext(r.Context())
+		if !ok {
+			logger.Warn("admin middleware failed - user not found in context")
+			utils.RespondWithError(w, http.StatusUnauthorized, "Authentication required")
+			return
+		}
+
+		// Проверяем роль пользователя
+		if user.Role != "admin" {
+			logger.Warn("admin middleware failed - insufficient permissions",
+				zap.Uint("user_id", user.ID),
+				zap.String("user_role", user.Role),
+				zap.String("required_role", "admin"),
+			)
+			utils.RespondWithError(w, http.StatusForbidden, "Insufficient permissions: admin role required")
+			return
+		}
+
+		logger.Debug("admin middleware passed",
+			zap.Uint("user_id", user.ID),
+			zap.String("user_email", user.Email),
+		)
+
+		next.ServeHTTP(w, r)
+	})
+}