M discord_programmieraufgaben/2025-10-17_2/quiz.cpp → discord_programmieraufgaben/2025-10-17_2/quiz.cpp

@@ -35,6 +35,18 @@ while (getline(file, line)) content += line + "\n";
     return content;
 }
 
+void append_file(const string& filename, const string& text){
+    ofstream of;
+
+    of.open(filename, ios::app);
+    if (!of)
+        cout << "No such file found";
+    else {
+        of << text << endl;
+        of.close();
+    }
+}
+
 vector<vector<string>> create_question_array(const string& fileText) {
     vector<vector<string>> question_array;
     vector<string> lines = split(fileText, "\n");
@@ -51,7 +63,7 @@
     return questionArray;
 }
 
-void ask_questions(vector<vector<string>>& question_array) {
+int ask_questions(vector<vector<string>>& question_array) {
     unsigned int score= 0, index = 1;
 
     for (vector<string>& question : question_array) {
@@ -72,6 +84,8 @@ cout << "[" << score << "/" << question_array.size() << "]\n\n";
 
         index++;
     }
+
+    return score;
 }
 
 int random_number(int max) {
@@ -96,10 +110,59 @@ swap(question, question_array[random_number(question_array.size()-1)]);
     }
 }
 
+string enter_username() {
+    string username;
+    cout << "Gib deinen Nutzernamen an:\n";
+    cin >> username;
+    
+    return username;
+}
+
+void write_score_list(const string& filename, const vector<vector<string>>& score_list) {
+    string text;
+    for (const vector<string>& score : score_list) {
+        text += score[0] + ";" + score[1] + "\n";
+    }
+
+    ofstream file(filename);
+    file << text;
+    file.close();
+}
+
+void add_to_scoreboard(const string& username, const int& score) {
+    // --------------------- add to temp vector --------------------- //
+    string filename = "scores.txt";
+    vector<vector<string>> score_list = get_questions(filename);
+    vector<string> new_score = {username, to_string(score)};
+
+    if (score_list.empty()) {
+        cout << "Ignore previous error" << endl;
+        append_file("scores.txt", new_score[0] + ";" + new_score[1]);
+        return;
+    }
+    
+    for (vector<string>& score : score_list) {
+        if (new_score[0] == score[0]) { //if name is the same
+            if (stoi(new_score[1]) > stoi(score[1])) { //and new score is higher
+                score = new_score;
+                write_score_list(filename, score_list);
+            }
+        } else {
+            append_file(filename, new_score[0] + ";" + new_score[1]);
+        }
+    }
+
+}
+
 int main() {
     cout << "Willkommen im Knusprigen Quiz" << endl;
+
     vector<vector<string>> question_array = get_questions("fragen.txt");
     randomize_questions(question_array);
-    ask_questions(question_array);
+    int score = ask_questions(question_array);
+    string username = enter_username();
+    add_to_scoreboard(username, score);
+    //show_leaderboard();
+
     return 0;
 }