working on #5

src/Motorradvermietung.cpp

@@ -1,10 +1,15 @@
 #include <iostream>
 #include <string>
 #include <list>
+#include <utility>
+#include <vector>
 #include <experimental/filesystem>
 
 using namespace std;
 
+int next_customer_id;
+int next_reservation_id;
+
 /**
  * \brief ask a question and get a answer.
  * \tparam T return parameter
@@ -78,20 +83,10 @@ public:
     }
 };
 
-class reservation final
-{
-private:
-    tm start_ = {};
-    tm end_ = {};
-    short motorcycle_ = -1; // => -1 means nothing reserved
-    string customer_name_;
-    string costumer_first_name_;
-public:
-};
-
 class customer final
 {
 private:
+    int id_;
     string name_;
     string first_name_;
     address address_;
@@ -99,10 +94,13 @@ private:
     string phone_no_;
     bool has_driving_license_ = false;
 public:
-    customer() = default;
+    customer() : id_(++next_customer_id)
+    {
+    }
 
     customer(string&& name, string&& first_name, address&& address, unsigned short&& year_of_birth, string&& phone_no,
-             bool&& has_driving_license) : name_(name),
+             bool&& has_driving_license) : id_(++next_customer_id),
+                                           name_(name),
                                            first_name_(first_name),
                                            address_(address),
                                            year_of_birth_(year_of_birth),
@@ -111,18 +109,18 @@ public:
     {
     }
 
-    friend istream& operator>>(istream& istr, customer& customer)
+    friend istream& operator>>(istream& istr, customer*& customer)
     {
         cout << "Name: ";
-        istr >> customer.name_;
+        istr >> customer->name_;
         cout << "Vorname: ";
-        istr >> customer.first_name_;
+        istr >> customer->first_name_;
         cout << "Geburtsjahr: ";
-        istr >> customer.year_of_birth_;
-        istr >> customer.address_;
+        istr >> customer->year_of_birth_;
+        istr >> customer->address_;
         cout << "Telefonnumer: ";
-        istr >> customer.phone_no_;
-        customer.has_driving_license_ = ask_question("Fuehrerschein der Klasse A?");
+        istr >> customer->phone_no_;
+        customer->has_driving_license_ = ask_question("Fuehrerschein der Klasse A?");
         return istr;
     }
 
@@ -136,6 +134,35 @@ public:
         ostr << "Fuehrerschein " << (customer.has_driving_license_ ? "" : "nicht ") << "vorhanden." << endl;
         return ostr;
     }
+
+    string get_name() const
+    {
+        return this->name_;
+    }
+
+    string get_first_name() const
+    {
+        return this->first_name_;
+    }
+};
+
+class reservation final
+{
+private:
+    int id_;
+    string start_ = {};
+    string end_ = {};
+    short motorcycle_ = -1; // => -1 means nothing reserved
+    customer* customer_;
+public:
+    reservation(string start, string end, const short motorcycle, customer* customer) : id_(++next_reservation_id),
+                                                                                        start_(
+                                                                                            std::move(start)), end_(
+                                                                                            std::move(end)),
+                                                                                        motorcycle_(motorcycle),
+                                                                                        customer_(customer)
+    {
+    }
 };
 
 string motorcycles[] = {
@@ -145,6 +172,8 @@ string motorcycles[] = {
     "Kawasaki ZZR1400"
 };
 
+list<customer*> customers;
+list<reservation*> reservations;
 int size_of_motorcycles = 4;
 
 void create_customer();
@@ -152,9 +181,6 @@ void create_reservation();
 void rent_a_motorcycle();
 void export_reservations();
 
-list<customer> customers;
-list<reservation> reservations;
-
 int main()
 {
     try
@@ -211,20 +237,102 @@ void create_customer()
         cout << "Neuen Kunden anlegen" << endl;
         cout << "------------------------------------" << endl;
 
-        customer customer;
-        cin >> customer;
+        auto c = new customer;
+        cin >> c;
         cout << endl << endl;
-        cout << customer;
+        cout << *c;
         if (ask_question("Angaben korrekt?"))
         {
-            customers.push_back(customer);
+            customers.push_back(c);
             return;
         }
     }
 }
 
+
+vector<customer*> find_customers_by_name(const string& name)
+{
+    vector<customer*> result;
+    for (auto customer : customers)
+    {
+        if (customer->get_name() == name)
+        {
+            result.push_back(customer);
+        }
+    }
+    return result;
+}
+
+bool validate_date(string& date)
+{
+    auto day = 0, month = 0, year = 0;
+    const auto res = sscanf_s(date.c_str(), "%2d.%2d.%4d",
+                              &day,
+                              &month,
+                              &year);
+    if (res != 3) return false;
+    if (month < 1 || month > 12) return false;
+    if (day < 1 || day > 31) return false;
+    if (year < 1900 || month > 2200) return false;
+    return true;
+}
+
+string get_validated_date(const string&& question)
+{
+    while (true)
+    {
+        auto date = ask_question<string>(question + " (tt.mm.jjjj)");
+        if (validate_date(date))
+        {
+            return date;
+        }
+        cout << "Fehlerhafte Eingabe." << endl;
+    }
+}
+
+customer* find_customer_by_first_name(const vector<customer*>& filtered_customers, const string& first_name)
+{
+    for (auto c : filtered_customers)
+    {
+        if (c->get_first_name() == first_name)
+        {
+            return c;
+        }
+    }
+    return nullptr;
+}
+
 void create_reservation()
 {
+    system("cls");
+    const auto name = ask_question<string>("Name des Kunden");
+    auto customers = find_customers_by_name(name);
+    customer* current;
+    if (customers.size() > 1)
+    {
+        const auto first_name = ask_question<string>("Vorname des Kunden");
+        current = find_customer_by_first_name(customers, first_name);
+        if (current == nullptr)
+        {
+            cout << "Kunde nicht gefunden" << endl;
+            system("pause");
+            return;
+        }
+    }
+    else if (customers.empty())
+    {
+        cout << "Kunde nicht gefunden" << endl;
+        system("pause");
+        return;
+    }
+    else
+    {
+        current = customers.front();
+    }
+
+    const auto start_date = get_validated_date("Startdatum");
+    const auto end_date = get_validated_date("Enddatum");
+    auto r = reservation(start_date, end_date, 2, current);
 }
 
 void rent_a_motorcycle()