add solution

.gitignore

@@ -0,0 +1,59 @@
+###C++###
+
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+
+
+###OSX###
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk

customer.cpp

@@ -0,0 +1,56 @@
+#include "customer.h"
+#include <string>
+#include <vector>
+
+using namespace std;
+
+Customer::Customer(string _name, long _id, string _location): name(_name), id(_id), location(_location){}
+
+long Customer::getId() const{
+	return id;
+}
+
+string Customer::getName() const{
+	return name;
+}
+
+string Customer::getLocation() const{
+	return location;
+}
+
+string Customer::getLastBill() const{
+	if(!orders.size())
+		return "\n";
+	return getName() + string(" ") + to_string(getId()) + string("\n") + orders.back().getBill();
+}
+
+string Customer::getAllBills() const{
+	string result = getName() + string(" ") + to_string(getId()) + string("\n");
+	for(int i = 0; i < orders.size(); i++)
+		result += orders[i].getBill() + string("#\n");
+	result += string("total purchase ") + to_string(getTotalPurchase()) + string("\n");
+	return result;
+}
+
+void Customer::newOrder(){
+	orders.push_back(Order(this));
+}
+
+void Customer::addToOrder(Food *food, Restaurant *restaurant, int num, string personalizations){
+	if(!orders.size())
+		return;
+	orders.back().addToOrder(food, restaurant, num, personalizations);
+}
+
+string Customer::getOrderReport() const{
+	if(!orders.size())
+		return "\n";
+	return getName() + string(" ") + to_string(getId()) + string(" ") + to_string(orders.back().getTotalCost()) + string("\n");
+}
+
+int Customer::getTotalPurchase() const{
+	int sum = 0;
+	for(int i = 0; i < orders.size(); i++)
+		sum += orders[i].getTotalCost();
+	return sum;
+}

customer.h

@@ -0,0 +1,27 @@
+#ifndef CUSTOMER_H
+#define CUSTOMER_H
+
+#include <vector>
+#include <string>
+#include "order.h"
+
+class Customer{
+private:
+	std::string name;
+	long id;
+	std::vector <Order> orders;
+	std::string location;
+public:
+	Customer(std::string name, long id, std::string location);
+	long getId() const;
+	std::string getName() const;
+	std::string getLocation() const;
+	std::string getLastBill() const;
+	std::string getAllBills() const;
+	void newOrder();
+	void addToOrder(Food *, Restaurant *, int num, std::string personalizations);
+	std::string getOrderReport() const;
+	int getTotalPurchase() const;
+};
+
+#endif

food.cpp

@@ -0,0 +1,50 @@
+#include "food.h"
+#include <string>
+
+using namespace std;
+
+Food::Food(int _id, string _name, Type _type, int _cost): id(_id), name(_name), type(_type), cost(_cost){}
+
+string Food::getDetails() const{
+	return idToString(id) + " " + name + " " + typeToString(type) + " " + to_string(cost);
+}
+
+int Food::getCost() const{
+	return cost;
+}
+
+string Food::typeToString(Type type){
+	switch(type){
+		case Iranian:
+			return "Iranian";
+		case Eastern:
+			return "Eastern";
+		case European:
+			return "European";
+		default:
+			return "";
+	}
+}
+
+string Food::idToString(int id){
+	return (id >= 100 ? string("") : (string("0") + (id >= 10 ? string("") : string("0")))) + to_string(id);
+}
+
+int Food::getId() const{
+	return id;
+}
+
+Food::Type Food::stringToType(string str){
+	if(str == "Iranian")
+		return Iranian;
+	else if(str == "Eastern")
+		return Eastern;
+	else if(str == "European")
+		return European;
+	else
+		return All; // default
+}
+
+Food::Type Food::getType() const{
+	return type;
+}

food.h

@@ -0,0 +1,25 @@
+#ifndef FOOD_H
+#define FOOD_H
+
+#include <string>
+
+class Food{
+public:
+	enum Type{All, Iranian, Eastern, European};
+private:
+	int id;
+	std::string name;
+	int cost;
+	Type type;
+	static std::string idToString(int);
+public:
+	Food(int id, std::string name, Type, int cost);
+	std::string getDetails() const;
+	int getCost() const;
+	static std::string typeToString(Type);
+	static Type stringToType(std::string);
+	int getId() const;
+	Type getType() const;
+};
+
+#endif

main.cpp

@@ -0,0 +1,99 @@
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <vector>
+#include "system.h"
+#include "util.h"
+
+#define NEW_SUPER -1
+#define ERRSTR "ERR"
+
+using namespace std;
+
+void readDatabase(System &system, string customersFileName, string restaurantsFileName){
+	string line;
+	ifstream restaurantsFileStr(restaurantsFileName, ifstream::in);
+	int restaurantId = NEW_SUPER;
+	while(getline(restaurantsFileStr, line)){
+		if(line == ""){
+			restaurantId = NEW_SUPER;
+		}
+		else{
+			vector <string> inputParameters = parseString(line, ',');
+			if(restaurantId == NEW_SUPER){
+				restaurantId = atoi(inputParameters[1].c_str());
+				system.addRestaurant(inputParameters[0], restaurantId, inputParameters[2]);
+			}
+			else{
+				system.addFood(restaurantId, atoi(inputParameters[0].c_str()), inputParameters[1], Food::stringToType(inputParameters[2]), atoi(inputParameters[3].c_str()));
+			}
+		}
+	}
+	restaurantsFileStr.close();
+
+	ifstream customersFileStr(customersFileName, ifstream::in);
+	while(getline(customersFileStr, line)){
+		while(getline(customersFileStr, line)){
+			vector <string> inputParameters = parseString(line, ',');
+			system.addCustomer(inputParameters[0], atol(inputParameters[1].c_str()), inputParameters.size() > 2 ? inputParameters[2] : "");
+		}
+	}
+	customersFileStr.close();
+}
+
+void systemIo(istream &istr, ostream &ostr, System &system){
+	string line;
+	while(getline(istr, line)){
+		vector <string> inputParameters = parseString(line, ' ');
+		if(inputParameters[0] == "menu"){
+			ostr << system.getMenu(atoi(inputParameters[1].c_str()));
+		}
+		else if(inputParameters[0] == "restaurants"){
+			ostr << system.getRestaurantsDetail(inputParameters.size() > 1 ? atol(inputParameters[2].c_str()) : 0);
+		}
+		else if(inputParameters[0] == "list"){
+			if(inputParameters[1] == "near"){
+				ostr << system.listFoods(atol(inputParameters[2].c_str()));
+			}
+			else if(inputParameters[1] == "type"){
+				ostr << system.listFoods(Food::stringToType(inputParameters[2]));
+			}
+			else ostr << ERRSTR << endl;
+		}
+		else if(inputParameters[0] == "order"){
+			long customerId = atol(inputParameters[1].c_str());
+			system.newOrder(customerId);
+			while(getline(istr, line) && line != "$"){
+				inputParameters = parseString(line, ' ');
+				string personalizations = "";
+				for(int i = 2; i < inputParameters.size(); i++){
+					if(i > 2)
+						personalizations += string(" ");
+					personalizations += inputParameters[i];
+				}
+				system.addToOrder(customerId, atol(inputParameters[0].c_str()), atoi(inputParameters[1].c_str()), personalizations);
+			}
+			ostr << system.getOrderReport(customerId);
+		}
+		else if(inputParameters[0] == "bill"){
+			if(inputParameters[1] == "all"){
+				ostr << system.getAllBills(atol(inputParameters[2].c_str()));
+			}
+			else{
+				ostr << system.getLastBill(atol(inputParameters[1].c_str()));
+			}
+		}
+		else
+			ostr << ERRSTR << endl;
+		// ostr << endl;
+	}
+}
+
+int main(){
+	System system;
+
+	readDatabase(system, "customers.txt", "restaurants.txt");
+	systemIo(cin, cout, system);
+
+	return 0;
+}

makefile

@@ -0,0 +1,33 @@
+CC=g++
+CF=
+CCF=-c
+
+a.out: main.o customer.o food.o restaurant.o util.o order.o system.o
+	$(CC) $(CF) main.o customer.o food.o restaurant.o util.o order.o system.o -o a.out;
+
+main.o: main.cpp customer.h food.h restaurant.h util.h order.h system.h
+	$(CC) $(CF) $(CCF) main.cpp
+
+customer.o: customer.cpp customer.h util.h order.h
+	$(CC) $(CF) $(CCF) customer.cpp
+
+food.o: food.cpp food.h util.h
+	$(CC) $(CF) $(CCF) food.cpp
+
+restaurant.o: restaurant.cpp restaurant.h food.h util.h food.h
+	$(CC) $(CF) $(CCF) restaurant.cpp
+
+order.o: order.cpp order.h util.h customer.h
+	$(CC) $(CF) $(CCF) order.cpp
+
+system.o: system.cpp system.h util.h customer.h restaurant.h
+	$(CC) $(CF) $(CCF) system.cpp
+
+util.o: util.cpp util.h
+	$(CC) $(CF) $(CCF) util.cpp
+
+test: a.out
+	./a.out
+
+clean:
+	rm .DS_Store *.o a.out