Updated last semester task

csci124/asgn3/cyber.cpp

@@ -0,0 +1,201 @@
+#include "fstream"
+#include "cyber.h"
+// This function Log in new user
+void login(char ***lab, int total, int station[], User *&user, int &size){
+	User *newUser = new User; //create a struct to store the new user temporarily
+	bool valid = false;
+	//read data from user
+	while(valid == false){
+		valid = true;
+		cout << "Enter 5-digit ID: ";
+		cin >> newUser->id;
+		//if the id is existed in the user[]
+		for(int x=0;x<size;x++){
+			if(strcmp(newUser->id, user[x].id) == 0){
+				//inform client and reprompt
+				cout << "ID existed, please try again." << endl;
+				valid = false;
+				break;
+			}
+		}
+	}
+	valid = false;
+	char *empty;
+	empty = (char*)&"empty";
+	while(valid == false){
+		cout << "Enter Lab: ";
+		cin >> newUser->lab;
+		cout << "Enter Station: ";
+		cin >> newUser->station;
+		//check for the lab
+		for(int x=0; x<total; x++)
+			if(newUser->lab == x+1)
+				//check for the station
+				for(int y=0; y<station[x]; y++)
+					if(newUser->station == y+1)
+						//when the station is empty, then only assign it to user.
+						if(strcmp(lab[x][y], empty) == 0){
+							lab[x][y] = newUser->id;
+							valid = true;
+						} else {
+							cout << "The Lab Station Computer is occupied.\n";
+						}
+	}
+	valid = false;
+	//ask client to input the login time
+	while(valid == false){
+		cout << "Login Time(HH MM): ";
+		cin >> newUser->inHour >> newUser->inMin;
+		valid = true;
+		if(newUser->inHour > 23 || newUser->inMin > 59){
+			valid = false;
+			cout << "The time is in 24hours format. please try again." << endl;
+		}
+	}
+	//when user[] is null, perform if
+	//if there is info in id, perform else
+	if(strcmp(user[0].id, "") == 0){
+		user[0] = *newUser;
+	} else {
+		size+=1; //increase size
+		User *temp = new User[size]; //create temp User struct
+		for(int x=0; x<size;x++){
+			temp[x] = user[x]; //assign all old user[] data to temp[]
+			if(x == size-1){
+				temp[size-1] = *newUser; //last location for the new user
+			}	
+		}
+		user = temp; //assign the data to user[]
+	}
+}
+// This function is used to Log out user that is leaving
+void logout(char ***lab, User *&user, int &size, double &totalCharge){	
+	int target;
+	char id[6];
+	bool valid = false;
+	//read id from user
+	while(valid == false){
+		cout << "Enter 5-digit ID: ";
+		cin >> id;
+		for(int x=0;x<size;x++){
+			if(strcmp(id, user[x].id) == 0){
+				target = x; //when the user is found, set x to target
+				valid = true;
+				break;
+			}
+		}
+	}
+	valid = false;
+	//prompt client to input the log out time
+	while(valid == false){
+		cout << "Logout Time(HH MM): ";
+		cin >> user[target].outHour >> user[target].outMin;
+		valid = true;
+		if(user[target].outHour > 23 || user[target].outMin > 59){
+			valid = false;
+			cout << "The time is in 24hours format. please try again." << endl;
+		}
+	}
+	//edit the lab table
+	strcpy(lab[user[target].lab-1][user[target].station-1], (char*)&"empty");
+	//calculate charges in minutes, each minutes = RM0.02
+	int login = user[target].inHour *60 + user[target].inMin;
+	int logout = user[target].outHour *60 + user[target].outMin;
+	// if the logout time is smaller than login time, 
+	//logout time have to add 24hours as it had passed a day
+	if(logout < login){
+		logout = logout + (24 * 60);
+	}
+	user[target].price = (logout - login) * 0.02;
+	//print the payment details
+	cout << "Payment Amount: RM" << user[target].price << endl << endl;
+	//increase total charge
+	totalCharge += user[target].price;
+	//write the logout info to log file.
+	ofstream logfile("log.txt", ios::app);
+	logfile << "\n" << user[target].id << ":"
+			<< user[target].lab << ":"
+			<< user[target].station << ":"
+			<< user[target].inHour << "." << user[target].inMin << ":"
+			<< user[target].outHour << "." << user[target].outMin << ":"
+			<< user[target].price;
+	logfile.close();
+
+	//set the user[] smaller
+	size-=1;
+	// create a temp User struct to store the data without logout user
+	User *temp = new User[size];
+	for(int x=0; x<size;x++){
+		temp[x] = user[x];
+		if(x >= target){
+			temp[x] = user[x+1];
+		}
+	}
+	user = temp; // user User struct point to temp User struct.
+}
+// This function is used to Search user by the user id
+void search(User user[], int &size){
+	char id[6];
+	bool valid = false;
+	//read data from user
+	cout << "Enter 5-digit ID: ";
+	cin >> id;
+	//search from the user[], if the id matched, print out the user current session info
+	for(int x=0;x<size;x++){
+		if(strcmp(id, user[x].id) == 0){
+			cout << "User ID: " << user[x].id << endl
+				<< "Lab:\t" << user[x].lab << endl
+				<< "Station: " << user[x].station << endl
+				<< "Login Time: " << user[x].inHour << ":" << user[x].inMin << endl << endl;
+			valid = true;
+			break;	
+		}
+	}
+	//if the id is not found in the user[], tell client.
+	if(valid == false){
+		cout << "User ID: " << id << " not found!" << endl << endl;
+	}
+}
+
+//This function allow the user to choose particular lab for display purposes.
+void list(char ***lab, int total, int station[]){
+	int num;
+	//prompt user to enter lab number
+	cout << "Enter Lab number: ";
+	cin >> num;
+	//if the lab number is not in range, reprompt.
+	while(num > total || num <= 0){
+		cout << "Lab number not found!" << endl;
+		cout << "There is " << total << " lab in this cyber cafe." << endl;
+		cout << "Enter Lab number: ";
+		cin >> num;
+	}
+	//formating - Lab: Stations
+	cout << "Lab Number\tComputer Stations" << endl
+		<<	"----------\t--------------------------------------------" << endl;
+	cout << '\t' << num << '\t'; // display lab
+	for(int y=0; y<station[num-1]; y++){
+		cout << y+1 << ": " << lab[num-1][y] << '\t'; //display station
+	}
+	cout << endl <<	"----------\t--------------------------------------------" << endl;
+}
+
+//This function is used to display total charges of the cyber cafe at particular session
+void displayTotal(double totalCharge){
+	cout << "Total charges of this session is RM" << totalCharge << endl << endl;
+}
+
+//This function is used to display the full details of the cyber cafe
+void displayLab(char ***lab, int total, int station[]){
+	//formating - Lab: Stations
+	cout << "Lab Number\tComputer Stations" << endl
+		<<	"----------\t--------------------------------------------" << endl;
+	for(int x=0; x<total; x++){
+		cout << '\t' << x+1 << '\t'; // display lab
+		for(int y=0; y<station[x]; y++){
+			cout << y+1 << ": " << lab[x][y] << '\t'; //display station
+		}
+		cout << endl;
+	}
+	cout <<	"----------\t--------------------------------------------" << endl;
+}

csci124/asgn3/cyber.h

@@ -0,0 +1,16 @@
+#include <iostream>
+#include <cstring>
+using namespace std;
+
+struct User{
+	char id[6];
+	int lab, station, inHour, inMin, outHour, outMin;
+	float price; 
+};
+
+void login(char***, int, int[], User*&, int&); // Log in
+void logout(char***, User*&, int&, double&); // Log out
+void search(User[], int&); // Search user
+void list(char***, int, int[]); // List Lab
+void displayTotal(double); // Display total charges
+void displayLab(char***, int, int[]); // Display the computer lab info

csci124/asgn3/log.txt

@@ -0,0 +1 @@
+ID:lab:station:login:logout:price(RM)

csci124/asgn3/main.cpp

@@ -0,0 +1,65 @@
+//Author	:Lim Chee Yeong
+//Student ID: J14016414(INTI) or 4933643(UOW)
+//Class		:CSCI124
+//Assignment:3
+//Date		:October 2nd, 2014
+//This driver program is the main menu of a simulated cyber cafe system
+#include "cyber.h"
+
+int main(){
+	int total, station[total], size=1;
+	User *user = new User[size];
+	cout << "Enter Total Lab Number: ";
+	cin >> total;
+	char *** lab = new char **[total];
+	for(int x=0; x<total; x++){
+		cout << "Enter total computer in Lab " << x+1 << ": ";
+		cin >> station[x];
+		lab[x] = new char *[station[x]];
+		for(int y=0; y<station[x]; y++){
+			//strcpy(lab[x][y], "empty"); //segmentation error
+			lab[x][y] = (char*)&"empty"; 
+		}
+	}
+
+	//Display the computer lab info
+	displayLab(lab, total, station);
+
+	double totalCharge = 0;
+	int option;
+	while(true){
+		//Display the menu in proper formatting
+		cout << "\t\tCyber Cafe Menu" << endl
+			<< "1. Log in" << endl
+			<< "2. Log out" << endl
+			<< "3. Search user" << endl
+			<< "4. List lab" << endl
+			<< "5. Display total charges" << endl
+			<< "0. Exit" << endl;
+		cout << "Option: ";
+		cin >> option; // read choice from user
+		switch(option){
+			case 1: // Log in
+				login(lab, total, station, user, size);
+				displayLab(lab, total, station); //Display the computer lab info
+				break;
+			case 2: // Log out
+				logout(lab, user, size, totalCharge);
+				break;
+			case 3: // Search user
+				search(user, size);
+				break;
+			case 4: // List Lab
+				list(lab, total, station);
+				break;
+			case 5: // Display total charges
+				displayTotal(totalCharge);
+				break;
+			case 0: // close the program
+				cout << "Program terminated." << endl << endl;
+				return 0;
+			default: // re-prompt user the menu
+				cout << "Wrong input, please try again." << endl << endl;
+		}
+	}
+}

csci124/asgn3/makefile

@@ -0,0 +1,11 @@
+main:		main.o cyber.o
+			g++ -o main main.o cyber.o
+
+main.o:		main.cpp cyber.h
+			g++ -c main.cpp
+
+cyber.o:	cyber.cpp cyber.h
+			g++ -c cyber.cpp
+
+clean:
+			rm *.o

csci124/asgn4/Training.cpp

@@ -0,0 +1,63 @@
+#include <iostream>
+#include <cstring>
+#include <fstream>
+#include "Training.h"
+using namespace std;
+//Class Training Implementation
+//Accessor function implementation inside header.
+//Mutator function implementation
+void Training::setCourse(char id[],char description[],char date[],char trainingTime[],char charges[8]){
+	strcpy(this->id,id);
+	strcpy(this->description, description);
+	strcpy(this->date, date);
+	strcpy(this->trainingTime, trainingTime);
+	strcpy(this->charges, charges);
+}
+void Training::setTotal(int total){
+	this->total = total;
+}
+void Training::setParticipant(int num, char pid[], char firstName[], char lastName[]){
+	strcpy(this->pid[num], pid);
+	strcpy(this->firstName[num], firstName);
+	strcpy(this->lastName[num], lastName);
+}
+//delete participant from object
+void Training::delParticipant(int del){
+	total-=1;
+	strcpy(pid[del], pid[total]);
+	strcpy(firstName[del], firstName[total]);
+	strcpy(lastName[del], lastName[total]);
+}
+//display every details
+void Training::display(){
+	cout << "Course ID: " << id << endl
+		<< "Title: " << description << endl
+		<< "Date: " << date << endl
+		<< "Time: " << trainingTime << endl
+		<< "Charges: RM" << charges << endl
+		<< "Participant details," << endl
+		<< "Name\t\tParticipant ID" << endl
+		<< "------------\t--------------" << endl;
+	for(int x=0; x< total; x++){
+		cout << firstName[x] << " " << lastName[x] << "\t" << pid[x] << endl;
+	}
+	cout << endl;
+}
+//save objects into file
+void Training::save(char file[]){
+	//Open file and write everything into it
+	ofstream write(file, ios::app);
+	write << '\n' << id;
+	write << '\n' << description;
+	write << '\n' << date;
+	write << '\n' << trainingTime;
+	write << '\n' << charges;
+	write << '\n' << total;
+	//check how many participant for the course is available, and write into file
+	for(int x=0; x<total; x++){
+		write << '\n' << pid[x];
+		write << '\n' << firstName[x];
+		write << '\n' << lastName[x];
+	}
+	write.close();
+}

csci124/asgn4/Training.h

@@ -0,0 +1,17 @@
+class Training{
+	//traing details
+	char id[6], description[51], date[31], trainingTime[16], charges[8];
+	//participant details
+	int total;
+	char pid[30][15], firstName[30][10], lastName[30][10]; 
+public:
+	void setCourse(char[],char[],char[],char[],char[]);
+	void setTotal(int);
+	void setParticipant(int, char[],char[],char[]);
+	char* getID(){ return id; }
+	int getTotal(){ return total; }
+	char* getPID(int num){ return pid[num]; }
+	void delParticipant(int); //delete participant from object
+	void display(); //display every details
+	void save(char[]); //save objects into file
+};