almost all internals done after i fix segfault

Query.cpp

@@ -1,6 +1,7 @@
 #include "headers/Query.h"
 
-vector<Park_time> query_Parktime_for_customer(int cid) {
+
+vector<Park_time> query_parktimes_for_customer(int cid) {
     /*
     This is needed to initialize the park_instances for the customer constructor
     that is supposed to create a customer from data in the db.
@@ -31,20 +32,67 @@ vector<Customer> query_customer_with_name(string name) {
     2. multiple customers could be returned with the same name.
      */
     vector<Customer> result;
-    SQLite::Statement query(data::db,
-                            "SELECT * FROM Customer WHERE name = '?';");
+    SQLite::Statement query(
+        data::db,
+        "SELECT id, name, password, verhicle FROM Customer WHERE name = ?;");
     query.bind(1, name);
     while (query.executeStep()) {
-        // (id integer primary key, name text, card_code varchar(20), verhicle
-        // int) (int id_, string name_, string card_code_, Verhicle_type
-        // verhicle_, vector<Park_time> instances)
-
         int id = query.getColumn(0);
-        string name = query.getColumn(1);
+        string name_ = query.getColumn(1);
         string password = query.getColumn(2);
-        // int verhicle = query.getColumn(3); // cast to verhicle
-        vector<Park_time> park_instances = query_Parktime_for_customer(id);
-        // result.push_back(Customer{id, name, password, Verhicle_type(verhicle), park_instances});
+        int verhicle = query.getColumn(3); // cast to verhicle
+        vector<Park_time> park_instances = query_parktimes_for_customer(id);
+        result.push_back(Customer{
+            id, name_, password, Verhicle_type(verhicle), park_instances});
     }
     return result;
+}
+
+Customer query_customer_with_id(int id) {
+    /*  do not call this function if you are not certain a customer with this id
+    exists.
+    // the only legitimate caller of this function is query_parkspot_x
+    // there is no error handling in this function
+    // for when this function doesn't find the customer with this id !!!!
+    */
+
+    SQLite::Statement query(data::db, "SELECT * FROM Customer WHERE id = ?;");
+    query.bind(1, id);
+    while (query.executeStep()) {
+        string name = query.getColumn(1);
+        string password = query.getColumn(2);
+        int verhicle = query.getColumn(3); // cast to verhicle
+        vector<Park_time> park_instances = query_parktimes_for_customer(id);
+        Customer result{
+            id, name, password, Verhicle_type(verhicle), park_instances};
+        // DEBUG
+        cout << "{" << result.id << "," <<result.password <<"," << int(verhicle) << "}\n";
+        return result;
+    }
+}
+
+void query_all_parking_spots() {
+    SQLite::Statement query(data::db, "SELECT * FROM Park_spot WHERE id > ?;");
+    query.bind(1, 0);
+    while (query.executeStep()) {
+        int id = query.getColumn(0);
+        int taken = query.getColumn(1);
+        int cid = query.getColumn(2);
+        park_customers.push_back(query_customer_with_id(cid));
+        parking_spots.push_back(
+            Park_spot{get_customer_ptr_for_parkspot(cid), id, bool(taken)});
+    }
+}
+
+Customer* get_customer_ptr_for_parkspot(int id) {
+    if (!id) {
+        return nullptr;
+    }
+    for (int i = 0; i < park_customers.size(); i++) {
+        if (park_customers[i].id == id) {
+
+            return &park_customers[i];
+        }
+    }
+    return nullptr;
 }