diff --git a/server/internal/repository/include/MetricRepository.hpp b/server/internal/repository/include/MetricRepository.hpp
index 5d9bf9632f6b63f294ef12714fd442b8da70c981..6e23e90db56c7b6fc1594f1fd614e2c07507bff1 100644
--- a/server/internal/repository/include/MetricRepository.hpp
+++ b/server/internal/repository/include/MetricRepository.hpp
@@ -8,7 +8,7 @@
 
 using namespace pqxx;
 
-class MetricRepository : IMetricRepository {
+class MetricRepository :public IMetricRepository {
 public:
     explicit MetricRepository();
 
diff --git a/server/internal/repository/include/SolutionRepository.hpp b/server/internal/repository/include/SolutionRepository.hpp
index 50d9552d293e3a1c186a3fbc5aeedf99ff0117d4..c7face4d8c93b4081f11bc3e7a79faa8899e690f 100644
--- a/server/internal/repository/include/SolutionRepository.hpp
+++ b/server/internal/repository/include/SolutionRepository.hpp
@@ -12,7 +12,7 @@
 
 using namespace pqxx;
 
-class SolutionRepository : ISolutionRepository {
+class SolutionRepository :public ISolutionRepository {
 public:
     explicit SolutionRepository();
     std::optional<Solution> getSolutionById(size_t id) override;
diff --git a/server/internal/repository/include/TaskRepository.hpp b/server/internal/repository/include/TaskRepository.hpp
index 83e5135c7ed26cdac59dd605ea72028f74b5725e..4fbc8d1f9ac6760b6bf5993d8cfa08647b7d67cc 100644
--- a/server/internal/repository/include/TaskRepository.hpp
+++ b/server/internal/repository/include/TaskRepository.hpp
@@ -10,7 +10,7 @@
 
 using namespace pqxx;
 
-class TaskRepository : ITaskRepository {
+class TaskRepository :public ITaskRepository {
 public:
     explicit TaskRepository();
     std::optional<Task> getTaskById(size_t id) override;
diff --git a/server/internal/repository/include/UserRepository.hpp b/server/internal/repository/include/UserRepository.hpp
index b5a52f306c3bc8ec521c478b67bef75e48544b73..70ceaf08a047f7d3a543c3ac32a437b86f9a77f9 100644
--- a/server/internal/repository/include/UserRepository.hpp
+++ b/server/internal/repository/include/UserRepository.hpp
@@ -11,7 +11,7 @@
 
 using namespace pqxx;
 
-class UserRepository : IUserRepository {
+class UserRepository :public IUserRepository {
 public:
     explicit UserRepository();
 
diff --git a/server/internal/repository/tests/RepositoryTests.cpp b/server/internal/repository/tests/RepositoryTests.cpp
index b78c57cb4021dcaeec2d83d04f7513410b733e47..1e2cab776112f46a4f6ee08fde7567b424e8d01f 100644
--- a/server/internal/repository/tests/RepositoryTests.cpp
+++ b/server/internal/repository/tests/RepositoryTests.cpp
@@ -46,7 +46,7 @@ TEST(TaskRepository_CRUD_Test, CRUD) {
 TEST(SolutionRepository_CRUD_Test, CRUD) {
     SolutionRepository rep;
 
-    Solution solution("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result");
+    Solution solution("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result", 1);
     size_t id = rep.storeSolution(solution);
     EXPECT_NO_FATAL_FAILURE(rep.getSolutionById(1));
     solution.setId(id);
@@ -101,8 +101,8 @@ TEST(UserRepository_CRUD_Test, loginLikeId) {
 TEST(SolutionRepository_CRUD_Test, CRUD_getSolutionsBySenderId) {
     SolutionRepository rep;
 
-    Solution solution1("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result");
-    Solution solution2("01.01.1970", 1, "/home/usr", "tokens.txt", "tree.txt", 1, "result");
+    Solution solution1("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result", 1);
+    Solution solution2("01.01.1970", 1, "/home/usr", "tokens.txt", "tree.txt", 1, "result", 1);
 
     size_t id1 = rep.storeSolution(solution1);
     solution1.setId(id1);
@@ -110,8 +110,8 @@ TEST(SolutionRepository_CRUD_Test, CRUD_getSolutionsBySenderId) {
     size_t id2 = rep.storeSolution(solution2);
     solution2.setId(id2);
     EXPECT_EQ(solution2, rep.getSolutionById(id2));
-    std::vector<Solution> v = {{id1, "01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result"},
-                               {id2, "01.01.1970", 1, "/home/usr", "tokens.txt", "tree.txt", 1, "result"}};
+    std::vector<Solution> v = {{id1, "01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result", 1},
+                               {id2, "01.01.1970", 1, "/home/usr", "tokens.txt", "tree.txt", 1, "result", 1}};
     std::vector<Solution> new_v = rep.getSolutionsBySenderId(solution1.getSenderId());
     EXPECT_EQ(v, new_v);
     EXPECT_NO_FATAL_FAILURE(rep.deleteSolution(solution1));
@@ -122,8 +122,8 @@ TEST(SolutionRepository_CRUD_Test, CRUD_getSolutionsBySenderId) {
 TEST(SolutionRepository_CRUD_Test, CRUD_getSolutionsByTaskId) {
     SolutionRepository rep;
 
-    Solution solution1("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result");
-    Solution solution2("01.01.1970", 1, "/home/usr", "tokens.txt", "tree.txt", 1, "result");
+    Solution solution1("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 1, "result", 1);
+    Solution solution2("01.01.1970", 1, "/home/usr", "tokens.txt", "tree.txt", 1, "result", 1);
 
     size_t id1 = rep.storeSolution(solution1);
     solution1.setId(id1);
@@ -139,7 +139,7 @@ TEST(SolutionRepository_CRUD_Test, CRUD_getSolutionsByTaskId) {
 TEST(SolutionRepository_CRUD_Test, tryToAddWithNotExistingTask){
     SolutionRepository rep;
 
-    Solution solution("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 100500, "result");
+    Solution solution("01.01.1970", 1, ":/C/Users", "tokens.txt", "tree.txt", 100500, "result", 1);
     try{
         rep.storeSolution(solution);
     }catch(pqxx::foreign_key_violation &e){
@@ -150,7 +150,7 @@ TEST(SolutionRepository_CRUD_Test, tryToAddWithNotExistingTask){
 TEST(SolutionRepository_CRUD_Test, tryToStoreWithNotExistingSender){
     SolutionRepository rep;
 
-    Solution solution("01.01.1970", 100500, ":/C/Users", "tokens.txt", "tree.txt", 1, "result");
+    Solution solution("01.01.1970", 100500, ":/C/Users", "tokens.txt", "tree.txt", 1, "result", 1);
     try{
         rep.storeSolution(solution);
     }catch(pqxx::foreign_key_violation &keyViolation){
diff --git a/server/internal/repository/virtual/ITaskRepository.hpp b/server/internal/repository/virtual/ITaskRepository.hpp
index 62ee8a2819db25e3025014ac32cfd8096e3a9433..dec4862a50c57a020362a7c8dfc2f1df081cac66 100644
--- a/server/internal/repository/virtual/ITaskRepository.hpp
+++ b/server/internal/repository/virtual/ITaskRepository.hpp
@@ -11,7 +11,7 @@ public:
 
     virtual std::vector<Task> getAllTasks() = 0;
 
-    virtual void updateTask(Task task) = 0;
+    virtual void updateTask(const Task& task) = 0;
 
     virtual size_t storeTask(Task task) = 0;