08_PTRN: Anfang Grundgerüst

src/08_PTRN/CMakeLists.txt

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+add_executable(08_PTRN_MP MP/Money.cpp MP/Money.h MP/Currency.cpp MP/Currency.h MP/maín.cpp MP/BankAccount.cpp MP/BankAccount.h MP/Storage.cpp MP/Storage.h)

src/08_PTRN/MP/BankAccount.cpp

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+#include <utility>
+
+#include "BankAccount.h"
+
+BankAccount::BankAccount(std::string owner, Money money) : owner(std::move(owner)), money(std::move(money)){}

src/08_PTRN/MP/BankAccount.h

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+#ifndef C_C_BANKACCOUNT_H
+#define C_C_BANKACCOUNT_H
+
+
+#include <string>
+
+#include "Money.h"
+
+class BankAccount {
+private:
+    std::string owner;
+    Money money;
+
+public:
+    BankAccount(std::string owner, Money money);
+};
+
+
+#endif

src/08_PTRN/MP/Currency.cpp

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+#include <utility>
+
+#include "Currency.h"
+
+Currency::Currency(std::string name, float rate) : name(std::move(name)), rate(rate) {}
+
+bool Currency::operator==(Currency &currency) {
+    return name == currency.name;
+}

src/08_PTRN/MP/Currency.h

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+#ifndef C_C_CURRENCY_H
+#define C_C_CURRENCY_H
+
+
+#include <string>
+
+class Currency {
+public:
+    std::string name;
+    float rate;
+    Currency(std::string name, float rate);
+    bool operator==(Currency &currency);
+};
+
+
+#endif

src/08_PTRN/MP/Money.cpp

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+#include <utility>
+
+#include "Money.h"
+
+Money::Money(float value, Currency currency) : value(value), currency(std::move(currency)) {}
+
+Money Money::operator+(Money money) {
+    return Money((this->value * this->currency.rate) + (money.value * money.currency.rate), this->currency);
+}
+
+Money Money::operator-(Money money) {
+    return Money(this->value - money.value, this->currency);
+}
+
+Money Money::operator*(Money money) {
+    return Money(this->value * money.value);
+}
+
+Money Money::operator/(Money money) {
+    return Money(this->value / money.value);
+}
+
+const Money Money::operator++(int) {
+    this->value++;
+    return *this;
+}
+
+const Money Money::operator--(int) {
+    this->value--;
+    return *this;
+}
+
+bool Money::operator==(Money &money) {
+    return this->value == money.value && this ->currency == money.currency;
+}

src/08_PTRN/MP/Money.h

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+#ifndef C_C_MONEY_H
+#define C_C_MONEY_H
+
+#include "Currency.h"
+#include "Storage.h"
+
+/**
+ *
+ *
+ * @author Johannes Theiner <kontakt@joethei.xyz>
+ * @since 0.0.1
+ */
+class Money {
+private:
+    float value;
+    Currency currency;
+public:
+    explicit Money(float value = 0, Currency currency = Storage().currencies["USD"]);
+    Money operator+(Money money);
+    Money operator-(Money money);
+    Money operator*(Money money);
+    Money operator/(Money money);
+    const Money operator++(int);
+    const Money operator--(int);
+    bool operator==(Money &money);
+};
+
+#endif

src/08_PTRN/MP/Storage.cpp

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+#include "Storage.h"

src/08_PTRN/MP/Storage.h

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+#ifndef C_C_STORAGE_H
+#define C_C_STORAGE_H
+
+
+#include <unordered_set>
+#include <unordered_map>
+#include "Currency.h"
+#include "BankAccount.h"
+
+class Storage {
+public:
+    std::unordered_set<Currency> currencies;
+    std::unordered_map<std::string, BankAccount> accounts;
+};
+
+
+#endif

src/08_PTRN/MP/maín.cpp

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+#include <unordered_set>
+#include <unordered_map>
+
+#include "Currency.h"
+#include "BankAccount.h"
+#include "Storage.h"
+
+Storage storage;
+
+int main(int argc, char **argv) {
+    storage.currencies.insert("USD", Currency("US Dollar", 1));
+    storage.currencies.insert("EUR", Currency("Euro", 0.879699));
+    storage.currencies.insert("GBP", Currency("British Pound", 0.783667));
+    storage.currencies.insert("AUD", Currency("Australian Dollar", 1.36962));
+    storage.currencies.insert("CAD", Currency("Canadian Dollar", 1.33023));
+
+
+    storage.accounts.insert(BankAccount("Max Maier", Money(50, storage.currencies["EUR"])));
+}