 extension CommandsController {
 
     fileprivate func findSchedule(for message: String) throws -> String {
-        var response = "За вашим запитом нічого не знайдено, спробуйте інший"
+        var response = emptyResponseText
 
         // Get ID of Object from message (/info_{id})
         let idString = message.substring(from: message.index(message.startIndex, offsetBy: 6))

    func index(request: Request) throws -> ResponseRepresentable {
        // Message text from request JSON
        let message = (request.data["message", "text"]?.string ?? "").trimmingCharacters(in: .whitespacesAndNewlines)
        var responseText = ""

        if let command = Command(rawValue: message) {
            // If it is a command


final class CommandsController {

    // MARK: - Constants

    fileprivate let emptyResponseText = "🙁 За вашим запитом нічого не знайдено, спробуйте інший"

    enum Command: String {
        case start = "/start"
        case firstStart = "/start start"
