fix(exam_result_generator): Translate tentamen -> exam

src/g2_2025_grade_calculator_pkg/src/database/DatabaseManager.cpp

@@ -110,7 +110,7 @@ bool DatabaseManager::enroll_student_into_course(const StudentCourse& sc) {
     }
 }
 
-bool DatabaseManager::store_tentamen_result(const std::string& student_name, const std::string& lecture_name, int grade) {
+bool DatabaseManager::store_exam_result(const std::string& student_name, const std::string& lecture_name, int grade) {
     if (!is_connected()) return false;
 
     try {

src/g2_2025_grade_calculator_pkg/src/database/DatabaseManager.hpp

@@ -33,7 +33,7 @@ public:
 
     // Data operations
     std::vector<StudentCourse> queue_pending_combinations();
-    bool store_tentamen_result(const std::string& student_name, const std::string& lecture_name, int grade);
+    bool store_exam_result(const std::string& student_name, const std::string& lecture_name, int grade);
     bool enroll_student_into_course(const StudentCourse& sc);
 private:
     rclcpp::Logger logger_;

src/g2_2025_grade_calculator_pkg/src/database/SQLQueries.hpp

@@ -18,11 +18,11 @@ static const std::string SQL_CREATE_ENROLLMENTS_TABLE = R"(
 )";
 
 static const std::string SQL_CREATE_EXAM_RESULTS = R"(
-    CREATE TABLE IF NOT EXISTS tentamen_results (
+    CREATE TABLE IF NOT EXISTS exam_results (
         id SERIAL PRIMARY KEY,
         student_name VARCHAR(100) NOT NULL,
         lecture_name VARCHAR(100) NOT NULL,
-        tentamen_grade FLOAT NOT NULL,
+        exam_grade FLOAT NOT NULL,
         created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
         UNIQUE(student_name, lecture_name)
     );
@@ -50,10 +50,10 @@ static const std::string SQL_SELECT_MISSING_RESULTS = R"(
 )";
 
 static const std::string SQL_INSERT_EXAM_RESULT = R"(
-    INSERT INTO tentamen_results (student_name, lecture_name, tentamen_grade)
+    INSERT INTO exam_results (student_name, lecture_name, exam_grade)
     VALUES ($1, $2, $3)
     ON CONFLICT (student_name, lecture_name)
-    DO UPDATE SET tentamen_grade = EXCLUDED.tentamen_grade, created_at = CURRENT_TIMESTAMP
+    DO UPDATE SET exam_grade = EXCLUDED.exam_grade, created_at = CURRENT_TIMESTAMP
 )";
 
 static const std::string SQL_INSERT_STUDENT_ENROLLMENT = R"(

src/g2_2025_grade_calculator_pkg/src/exam_result_generator/nodes/ExamResultGenerator.cpp

@@ -62,7 +62,7 @@ void ExamResultGenerator::generate_random_result() {
 
     int grade = grade_dist_(gen_);
 
-    db_manager_->store_tentamen_result(selected.student_name, selected.lecture_name, grade);
+    db_manager_->store_exam_result(selected.student_name, selected.lecture_name, grade);
 
     // Publish exam result
     auto exam_msg = g2_2025_interfaces::msg::Exam();

src/g2_2025_grade_calculator_pkg/src/exam_result_generator/nodes/ExamResultGenerator.hpp

@@ -1,7 +1,7 @@
 /* nodes/ExamResultGenerator.hpp
  * Exam result generator node for the first assignment of the course EE at InHolland.
  *
- * Collects student/course combinations from database where tentamen results need to be generated.
+ * Collects student/course combinations from database where exam results need to be generated.
  * Randomly generates and broadcasts exam marks (10-100) every 2 seconds.
  * Can receive messages to add/remove student/course combinations.
  *