/* -------------------------------------------------- Name : Saurabh Verma Email : saurabhshalu@gmail.com Youtube : https://www.youtube.com/VermaTechs (please subscribe to my channel) SoloLearn : https://www.sololearn.com/Profile/1718773 Date : 18-Dec-2017 PLEASE UP VOTE THE CODE IF YOU LIKE MY EFFORT. ----------------------------------------------------- */ #include #include #define MAXCONTACTS 5 struct Name { char firstName[31]; char middleInitial[7]; char lastName[36]; }; struct Address { int streetNumber; char street[41]; int apartmentNumber; char postalCode[8]; char city[41]; }; struct Numbers { char cell[11]; char home[11]; char business[11]; }; struct Contact { struct Name name; struct Address address; struct Numbers numbers; }; void getName(struct Name *name); void getAddress(struct Address *address); void getNumbers(struct Numbers *numbers); void getContact(struct Contact *); void clearKeyboard(void); void pause(void); int getInt(void); int getIntInRange(int, int); int yes(void); int menu(void); void ContactManagerSystem(void); void getTenDigitPhone(char[11]); int findContactIndex(const struct Contact[], int, const char[]); void displayContactHeader(void); void displayContactFooter(int); void displayContact(const struct Contact*); void displayContacts(const struct Contact[], int); void searchContacts(const struct Contact[], int); void addContact(struct Contact[], int); void updateContact(struct Contact[], int); void deleteContact(struct Contact[], int); void sortContacts(struct Contact[], int); void getName(struct Name *name) { printf("Please enter the contact's first name: "); scanf(" %30[^\n]s",name->firstName); clearKeyboard(); printf("Do you want to enter a middle initial(s)? (y or n): "); if(yes()) { printf("Please enter the contact's middle initial(s): "); scanf(" %6[^\n]s",name->middleInitial); clearKeyboard(); } else name->middleInitial[0]='\0'; printf("Please enter the contact's last name: "); scanf(" %35[^\n]s",name->lastName); clearKeyboard(); } void getAddress(struct Address *address) { printf("Please enter the contact's street number: "); address->streetNumber=getInt(); printf("Please enter the contact's street name: "); scanf(" %40[^\n]s",address->street); clearKeyboard(); printf("Do you want to enter an apartment number? (y or n): "); if(yes()) { printf("Please enter the contact's apartment number: "); address->apartmentNumber=getInt(); } else address->apartmentNumber='\0'; printf("Please enter the contact's postal code: "); scanf(" %7[^\n]s",address->postalCode); clearKeyboard(); printf("Please enter the contact's city: "); scanf(" %40[^\n]s",address->city); clearKeyboard(); } void getNumbers(struct Numbers *numbers) { printf("Please enter the contact's cell phone number: "); getTenDigitPhone(numbers->cell); printf("Do you want to enter a home phone number? (y or n): "); if(yes()) { printf("Please enter the contact's home phone number: "); getTenDigitPhone(numbers->home); } else numbers->home[0]='\0'; printf("Do you want to enter a business phone number? (y or n): "); if(yes()) { printf("Please enter the contact's business phone number: "); getTenDigitPhone(numbers->business); } else numbers->business[0]='\0'; } void getContact(struct Contact *contact) { getName(&contact->name); getAddress(&contact->address); getNumbers(&contact->numbers); } void clearKeyboard(void) { while (getchar() != '\n') ; } void pause(void) { printf("(Press Enter to continue)"); clearKeyboard(); } int getInt(void) { char x = '\0'; int value; while(x!='\n') { scanf("%d%c",&value,&x); if(x!='\n') { clearKeyboard(); printf("*** INVALID INTEGER *** : "); } } return value; } int getIntInRange(int myMin, int myMax) { int value; do { value = getInt(); if(valuemyMax) printf("*** OUT OF RANGE *** : ",myMin,myMax); } while(valuemyMax); return value; } int yes(void) { char x = '\0'; char input; int valid=0; do { scanf("%c%c",&input,&x); if(x!='\n') { clearKeyboard(); valid=0; printf("*** INVALID ENTRY *** : "); } else { switch(input) { case 'y' : case 'Y' : case 'n' : case 'N' : valid=1; break; default : valid=0; printf("*** INVALID ENTRY *** : "); } } } while(x!='\n' || valid!=1); if(input == 'y' || input == 'Y') return 1; else return 0; } int menu(void) { int choice; printf("Contact Management System\n"); printf("-------------------------\n"); printf("1. Display contact\n"); printf("2. Add a contact\n"); printf("3. Update a contact\n"); printf("4. Delete a contact\n"); printf("5. Search contacts by cell phone number\n"); printf("6. Sort contacts by cell phone number\n"); printf("0. Exit\n"); printf("\nSelect an option:> "); choice = getIntInRange(0,6); return choice; } void ContactManagerSystem(void) { int choice; int exit = 0; struct Contact contacts[MAXCONTACTS] = { { { "Rick", {'\0'}, "Grimes" }, { 11, "Trailer Park", 0, "A7A 2J2", "King City" }, { "4161112222", "4162223333", "4163334444" } }, { { "Maggie", "R.", "Greene" }, { 55, "Hightop House", 0, "A9A 3K3", "Bolton" }, { "9051112222", "9052223333", "9053334444" } }, { { "Morgan", "A.", "Jones" }, { 77, "Cottage Lane", 0, "C7C 9Q9", "Peterborough" }, { "7051112222", "7052223333", "7053334444" } }, { { "Sasha", {'\0'}, "Williams" }, { 55, "Hightop House", 0, "A9A 3K3", "Bolton" }, { "9052223333", "9052223333", "9054445555" } }, }; do { choice = menu(); switch(choice) { case 0: printf("\nExit the program? (Y)es/(N)o: "); exit = yes(); printf("\n"); break; case 1: printf("\n"); displayContacts(contacts,MAXCONTACTS); pause(); printf("\n"); break; case 2: printf("\n"); addContact(contacts,MAXCONTACTS); pause(); printf("\n"); break; case 3: printf("\n"); updateContact(contacts,MAXCONTACTS); pause(); printf("\n"); break; case 4: printf("\n"); deleteContact(contacts,MAXCONTACTS); pause(); printf("\n"); break; case 5: printf("\n"); searchContacts(contacts,MAXCONTACTS); pause(); printf("\n"); break; case 6: printf("\n"); sortContacts(contacts,MAXCONTACTS); pause(); printf("\n"); break; default: break; } } while(exit!=1); printf("Contact Management System: terminated\n"); } void getTenDigitPhone(char telNum[11]) { int i, isNumb=0, needInput = 1; while (needInput == 1) { scanf("%10s", telNum); clearKeyboard(); isNumb=0; // (String Length Function: validate entry of 10 characters) if (strlen(telNum) == 10) { for(i=0;i<10;i++) if(telNum[i] >= '0' && telNum[i] <= '9') isNumb=isNumb+1; if(isNumb==10) needInput = 0; else printf("Enter a 10-digit phone number: "); } else printf("Enter a 10-digit phone number: "); } } int findContactIndex(const struct Contact contacts[], int size, const char cellNum[]) { int i, match=-1; for(i=0;i0) printf(" %d %s, Apt# %d, %s, %s\n",(*contact).address.streetNumber,(*contact).address.street,(*contact).address.apartmentNumber,(*contact).address.city,(*contact).address.postalCode); else printf(" %d %s, %s, %s\n",(*contact).address.streetNumber,(*contact).address.street,(*contact).address.city,(*contact).address.postalCode); } void displayContacts(const struct Contact contacts[], int size) { int i, tot=0; displayContactHeader(); for(i=0;i0) { tot=tot+1; displayContact(&contacts[i]); } } displayContactFooter(tot); } void searchContacts(const struct Contact contacts[], int size) { int i, result; char cellNum[11]; printf("Enter the cell number for the contact: "); getTenDigitPhone(cellNum); result = findContactIndex(contacts,size,cellNum); if(result>-1) { printf("\n"); displayContact(&contacts[result]); printf("\n"); } else printf("*** Contact NOT FOUND ***\n"); } void addContact(struct Contact contacts[], int size) { int i, available=-1; for(i=0;i-1) { getContact(&contacts[available]); printf("--- New contact added! ---\n"); } else { printf("*** ERROR: The contact list is full! ***"); printf("\n"); } } void updateContact(struct Contact contacts[], int size) { char myNum[11]; int myIndex; printf("Enter the cell number for the contact: "); getTenDigitPhone(myNum); myIndex = findContactIndex(contacts,size,myNum); if(myIndex>-1) { printf("\nContact found:\n"); displayContact(&contacts[myIndex]); printf("\nDo you want to update the name? (y or n): "); if(yes()) getName(&contacts[myIndex].name); printf("Do you want to update the address? (y or n): "); if(yes()) getAddress(&contacts[myIndex].address); printf("Do you want to update the numbers? (y or n): "); if(yes()) getNumbers(&contacts[myIndex].numbers); printf("--- Contact Updated! ---\n"); } else printf("*** Contact NOT FOUND ***\n"); } void deleteContact(struct Contact contacts[], int size) { char myNum[11]; int myIndex; printf("Enter the cell number for the contact: "); getTenDigitPhone(myNum); myIndex = findContactIndex(contacts,size,myNum); if(myIndex>-1) { printf("\nContact found:\n"); displayContact(&contacts[myIndex]); printf("\nCONFIRM: Delete this contact? (y or n): "); if(yes()) { contacts[myIndex].numbers.cell[0]='\0'; printf("--- Contact deleted! ---\n"); } } else printf("*** Contact NOT FOUND ***\n"); } void sortContacts(struct Contact contacts[], int size) { int i, j, tot=0; struct Contact temp; for(i=0;i0) tot=tot+1; for(i=0;i0) { temp=contacts[i]; contacts[i]=contacts[j]; contacts[j]=temp; } } } printf("--- Contacts sorted! ---\n"); } int main(void) { ContactManagerSystem(); return 0; }