Почти завершенная регистрация

src/endpoints_handlers/AuthRegistrationExecutor.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <regex>
 #include <boost/json.hpp>
 #include <mysqlx/xdevapi.h>
 #include <mysqlx/common/api.h>
@@ -41,7 +42,7 @@ public:
     {
       http::response<ResponseType> res{http::status::bad_request, req.version()};
 
-      res.body() = "{ \"detail\": \"cannot deserialize json\"}";
+      res.body() = "{ \"Result\": \"cannot deserialize json\"}";
       res.set(http::field::content_type, "application/json");
       res.content_length(res.body().size());
 
@@ -51,8 +52,26 @@ public:
     std::string login = req_json.as_object().at("login").as_string().c_str();
     std::string password = req_json.as_object().at("password").as_string().c_str();
 
+    if (!ValidateLogin(login) || !ValidatePassword(password))
+    {
+      http::response<ResponseType> res{http::status::unprocessable_entity, req.version()};
+
+      res.body() = "{ \"Result\": \"validations failed\"}";
+      res.set(http::field::content_type, "application/json");
+      res.content_length(res.body().size());
+
+      return res;
+    }
+
     if (user_dao_->GetByLogin(login).has_value())
     {
+      http::response<ResponseType> res{http::status::conflict, req.version()};
+
+      res.body() = "{ \"Result\": \"user with login " + login + " exists\" }";
+      res.set(http::field::content_type, "application/json");
+      res.content_length(res.body().size());
+
+      return res;
     }
 
     User user;
@@ -61,14 +80,29 @@ public:
     user.SetPassword(password);
 
     http::response<ResponseType> res{
-        http::status::ok, req.version()
+        http::status::created, req.version()
       };
 
-    res.body() = "{ \"detail\": \"ok\"}";
+    res.body() = "{ \"Result\": \"ok\"}";
     res.set(http::field::content_type, "application/json");
     res.content_length(res.body().size());
 
     return res;
   }
+
+private:
+  bool ValidateLogin(const std::string& login)
+  {
+    if (login.size() < 3 || login.size() > 50) return false;
+
+    std::regex pattern("[a–z0–9._-]");
+
+    return std::regex_match(login, pattern);
+  }
+
+  bool ValidatePassword(const std::string& password)
+  {
+    return password.size() >= 5;
+  }
 };
 }