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customer.c
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// Welcome to the program. The declaration of the functions and the library used is in .h file
#include "main.h"
#include "string.h"
#include "ctype.h"
void customerSwitchHub () {
screenClear ();
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextCen ("Customer Management");
bannerBlankBorder ();
bannerFullBorder ();
for ( int i = 0; i < 10; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("What do you want to do ?");
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextCen ("1. Preview customer database");
bannerBlankBorderTextCen ("2. Create new customer ID");
bannerBlankBorderTextCen ("3. Delete customer metadata from the database");
bannerBlankBorderTextCen ("4. Update existed customer");
for ( int i = 0; i < 14; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to quit | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
char flag;
scanf (" %c", &flag);
switch ( toupper (flag)) {
case ('1'):
customerSelectInterface ();
break;
case ('2'):
customerInsertInterface ();
break;
case ('3'):
customerDeleteInterface ();
break;
case ('4'):
customerUpdateInterface ();
break;
case ('B'):
switchHub ();
case ('Q'):
terminate ();
default:
customerSwitchHub ();
return;
}
}
void customerInsertInterface () {
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorderTextCen ("Create new Customer ID");
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextCen ("Insert in form");
bannerBlankBorderTextCen ("Form: ID");
bannerBlankBorderTextCen ("Firstname");
bannerBlankBorderTextCen ("Lastname");
bannerBlankBorderTextCen ("Gender(M/F)");
bannerBlankBorder ();
bannerBlankBorderTextCen ("Ex: 1234567891012");
bannerBlankBorderTextCen ("Prayut");
bannerBlankBorderTextCen ("Chun-O-Char");
bannerBlankBorderTextCen ("M");
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextCen ("Insert CustomerID Below");
for ( int i = 0; i < 16; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
char id[MAX_LNG_ID], name[MAX_LNG_TEXT], lastname[MAX_LNG_TEXT], gender, buffer[140], checker, bufferHead[140];
int genderCheck;
sprintf (bufferHead, "%-20s|%-50s|%-50s|%s", "ID", "Firstname", "Lastname", "Gender");
while ( 1 ) {
scanf ("%s", id);
if ( strcmp (id, "B") == 0 || strcmp (id, "b") == 0 ) {
customerSwitchHub ();
break;
} else if ( strcmp (id, "Q") == 0 || strcmp (id, "q") == 0 ) {
terminate ();
break;
} else { //------------------After Input ID--------------------
screenClear ();
sprintf (buffer, "%-20s->", id);
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (buffer);
for ( int i = 0; i < 27; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Please Type Customer Firstname...");
bannerFullBorder ();
bannerUserInput ();
//---------------------FirstName--------------------------
scanf (" %[^\n]", name);
sprintf (buffer, "%-20s %-50s->", id, name);
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (buffer);
for ( int i = 0; i < 27; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Please Type Customer Lastname...");
bannerFullBorder ();
bannerUserInput ();
//---------------------LastName--------------------------
scanf (" %[^\n]", lastname);
sprintf (buffer, "%-20s %-50s %-50s->", id, name, lastname);
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (buffer);
for ( int i = 0; i < 27; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Please Type Customer Gender (M/F)...");
bannerFullBorder ();
bannerUserInput ();
//---------------------Gender--------------------------
scanf (" %c", &gender);
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorder ();
if ( gender == 'F' || gender == 'f' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Female");
if ( gender == 'M' || gender == 'm' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Male");
bannerBlankBorderTextLeft (buffer);
for ( int i = 0; i < 10; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Are you sure to Insert this customer ?");
bannerBlankBorderTextCen ("Type 'Y' to Yes || 'N' to No");
for ( int i = 0; i < 15; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
scanf (" %c", &checker);
if ( checker == 'y' || checker == 'Y' ) {
if ( customerInsert (id, name, lastname, toupper (gender))) {
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorder ();
if ( gender == 'F' || gender == 'f' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Female");
if ( gender == 'M' || gender == 'm' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Male");
bannerBlankBorderTextLeft (buffer);
bannerBlankBorder ();
bannerBlankBorder ();
for ( int i = 0; i < 8; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Insert Success");
bannerBlankBorderTextCen ("_____________________");
bannerBlankBorderTextCen ("Insert Next Customer Or Type 'B' to Back");
for ( int i = 0; i < 12; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
} else {
sprintf (buffer, "ID: %s", id);
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorderTextCen ("Insert Customer");
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextCen ("Insert not Successful !");
bannerBlankBorderTextCen ("Please check your customer ID");
bannerBlankBorder ();
bannerBlankBorderTextCen (buffer);
bannerBlankBorder ();
bannerBlankBorderTextCen ("was a duplicate");
bannerBlankBorderTextCen ("_____________________");
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextCen ("Insert Next Customer Or Type 'B' to Back");
for ( int i = 0; i < 19; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
}
} else {
customerInsertInterface ();
}
}
}
}
void displayCustomer (int page) {
screenClear ();
int allPage = (int) ceil (RecordCount.customer / 34) + 1;
char NewGender[7];
bannerFullBorder ();
printf (":: %-20s | %-35s | %-35s | %-8s | %10s | %11s ::\n", "Customer ID", "Firstname", "Lastname", "Gender",
"Point", "Total Buy");
bannerFullBorder ();
if ( page == allPage ) {
for ( int i = (page - 1) * 34; i < RecordCount.customer; ++i ) {
if ( Customer[i].gender == 'F' )
strcpy (NewGender, "Female");
else
strcpy (NewGender, "Male");
printf (":: %-20s | %-35s | %-35s | %-8s | %10.2lf | %11.2lf ::\n", Customer[i].id, Customer[i].firstname,
Customer[i].lastname, NewGender, Customer[i].point,
Customer[i].totalBuy);
}
for ( int i = 0; i < 34 - 2 - (RecordCount.customer % 34); ++i )
printf (":: %-20s | %-35s | %-35s | %-8s | %10s | %11s ::\n", "", "", "", "", "", "");
} else {
for ( int i = (page - 1) * 34; i < page * 34 - 2/*(34*page)*/; ++i ) {
if ( Customer[i].gender == 'F' )
strcpy (NewGender, "Female");
else
strcpy (NewGender, "Male");
printf (":: %-20s | %-35s | %-35s | %-8s | %10.2lf | %11.2lf ::\n", Customer[i].id, Customer[i].firstname,
Customer[i].lastname, NewGender, Customer[i].point,
Customer[i].totalBuy);
}
}
bannerBlankBorderTextCen ("Enter Page/Enter 'B' to back to Customer Menu");
printf (":: << < ( Page %d of %d ) > >> ::\n",
page, allPage);
bannerFullBorder ();
bannerUserInput ();
}
void customerSelectInterface () {
char handling;
int pageIn = 1, CheckPage;
displayCustomer (1);
for ( int i = 0; i >= 0; ++i ) {
scanf (" %c", &handling);
if ((handling == 'B') || (handling == 'b')) {
screenClear ();
customerSwitchHub ();
} else if ( isdigit (handling)) {
CheckPage = (int) handling - 48;
if ((CheckPage <= ((int) ceil (RecordCount.customer / 34) + 1)) && (CheckPage >= 1)) {
pageIn = (int) handling - 48;
displayCustomer (pageIn);
} else {
displayCustomer (pageIn);
printf ("Oops! Page not found, Please enter correct page: ");
}
} else {
displayCustomer (pageIn);
printf ("Oops! Input Error, Please enter correctly: ");
}
}
}
void customerDeleteInterface () {
char bufferHead[140];
sprintf (bufferHead, "%-15s|%-40s|%-40s|%-10s|%-10s|%-10s", "ID", "Firstname", "Lastname", "Gender", "Point",
"Totalbuy");
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorderTextLeft ("->");
bannerBlankBorder ();
bannerBlankBorder ();
for ( int i = 0; i < 26; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | Please Type CustomerID... | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
char id[MAX_LNG_ID], name[MAX_LNG_TEXT], lastname[MAX_LNG_TEXT], gender, buffer[140], flag;
double point, totalbuy;
while (1) {
scanf ("%s", id);
if ( strcmp (id, "B") == 0 || strcmp (id, "b") == 0 ) {
customerSwitchHub ();
} else if ( strcmp (id, "Q") == 0 || strcmp (id, "q") == 0 ) {
terminate ();
} else {
if ( customerSelectById (id, name, lastname, &gender, &point, &totalbuy)) {
screenClear ();
if ( gender == 'F' || gender == 'f' )
sprintf (buffer, "%-15s %-40s %-40s %-10s %-10.2lf %-10.2lf", id, name, lastname, "Female", point,
totalbuy);
if ( gender == 'M' || gender == 'm' )
sprintf (buffer, "%-15s %-40s %-40s %-10s %-10.2lf %-10.2lf", id, name, lastname, "Male", point,
totalbuy);
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (buffer);
for ( int i = 0; i < 10; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Are you sure to delete ?");
bannerBlankBorderTextCen ("Type 'Y' to comfirm || Type 'N' to Discard");
for ( int i = 0; i < 16; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
scanf (" %c", &flag);
if ( flag == 'Y' || flag == 'y' ) {
customerDelete (id);
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorderTextLeft ("->");
for ( int i = 0; i < 10; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Delete Success");
bannerBlankBorderTextCen ("Type Next CustomerID Or Type 'B' to Back");
for ( int i = 0; i < 16; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
} else {
screenClear ();
customerDeleteInterface ();
}
} else {
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorderTextLeft ("->");
for ( int i = 0; i < 11; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("CustomerID dosen't exist.");
bannerBlankBorderTextCen ("Type Next CustomerID Or Type 'B' to Back");
for ( int i = 0; i < 15; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
}
}
}
}
void customerUpdateInterface () {
char bufferHead[140];
sprintf (bufferHead, "%-20s|%-50s|%-50s|%s", "ID", "Firstname", "Lastname", "Gender");
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorderTextLeft ("->");
for ( int i = 0; i < 10; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Please enter a Customer ID");
for ( int i = 0; i < 17; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
char id[MAX_LNG_ID], name[MAX_LNG_TEXT], lastname[MAX_LNG_TEXT], gender, buffer[140], flag[MAX_LNG_TEXT], genderChanged[2];
double point, totalbuy;
while ( 1 ) {
scanf ("%s", id);
if ( strcmp (id, "B") == 0 || strcmp (id, "b") == 0 ) {
customerSwitchHub ();
} else if ( strcmp (id, "Q") == 0 || strcmp (id, "q") == 0 ) {
terminate ();
} else {
if ( customerSelectById (id, name, lastname, &gender, &point, &totalbuy)) {
screenClear ();
if ( gender == 'F' || gender == 'f' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Female");
if ( gender == 'M' || gender == 'm' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Male");
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (buffer);
bannerBlankBorderTextCen (" ");
for ( int i = 0; i < 27; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type another name to change customer name... | Press Enter to set by default");
bannerFullBorder ();
bannerUserInput ();
printf ("Default Firstname: (%s) >>> ", name);
if ( superscanf (flag) != 0 )
customerUpdateFirstname (id, flag);
printf ("Default Lastname: (%s) >>> ", lastname);
if ( superscanf (flag) != 0 )
customerUpdateLastname (id, flag);
printf ("Default Gender: (%c) >>> ", gender);
if ( superscanf (genderChanged) != 0 )
customerUpdateGender (id, toupper (genderChanged[0]));
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
customerSelectById (id, name, lastname, &gender, &point, &totalbuy);
if ( gender == 'F' || gender == 'f' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Female");
if ( gender == 'M' || gender == 'm' )
sprintf (buffer, "%-20s %-50s %-50s %s", id, name, lastname, "Male");
bannerBlankBorderTextLeft (buffer);
bannerBlankBorder ();
bannerBlankBorderTextLeft ("->");
for ( int i = 0; i < 10; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Customer has been updated");
bannerBlankBorderTextCen ("Type Next CustomerID to Update Or Type 'B' to Back");
for ( int i = 0; i < 14; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
} else {
screenClear ();
bannerFullBorder ();
bannerBlankBorderTextCen ("Customer Database");
bannerFullBorder ();
bannerBlankBorder ();
bannerBlankBorderTextLeft (bufferHead);
bannerFullBorderSection ();
bannerBlankBorder ();
bannerBlankBorderTextLeft ("->");
for ( int i = 0; i < 10; i++ )
bannerBlankBorder ();
bannerBlankBorder ();
bannerBlankBorderTextCen ("CustomerID dosen't exist.");
bannerBlankBorderTextCen ("Type Next CustomerID Or Type 'B' to Back");
for ( int i = 0; i < 15; i++ )
bannerBlankBorder ();
bannerBlankBorderTextCen ("Type 'Q' to stop | ALTERNATE RESPONSE | Type 'B' to back");
bannerFullBorder ();
bannerUserInput ();
}
}
}
}
int customerSelectById (char *id, char *firstname, char *lastname, char *gender, double *point, double *totalBuy) {
int numberOfRecords; // Number of the records in a table
numberOfRecords = RecordCount.customer;
for ( int i = 0; i < numberOfRecords; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 ) {
// Return all values back by reference
strcpy (firstname, Customer[i].firstname);
strcpy (lastname, Customer[i].lastname);
*gender = Customer[i].gender;
*point = Customer[i].point;
*totalBuy = Customer[i].totalBuy;
return 1; // Found a record
}
}
return 0; // Not found the given `id` in the records
}
int customerInsert (char *id, char *firstname, char *lastname, char gender) {
int tailIndex = RecordCount.customer;
// To comfirm that `id` is unique
for ( int i = 0; i < tailIndex; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 )
return 0; // Error: Customer ID already exists
}
strcpy (Customer[tailIndex].id, id);
strcpy (Customer[tailIndex].firstname, firstname);
strcpy (Customer[tailIndex].lastname, lastname);
Customer[tailIndex].gender = gender;
Customer[tailIndex].point = 0; // Initail value
Customer[tailIndex].totalBuy = 0; // Initail value
RecordCount.customer++; // Update the amount of records
customerFileWrite (); // Save to a Database file
return 1; // Operation Success
}
int customerUpdateFirstname (char *id, char *firstname) {
int numberOfRecords; // Number of the records in a table
numberOfRecords = RecordCount.customer;
for ( int i = 0; i < numberOfRecords; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 ) {
strcpy (Customer[i].firstname, firstname);
customerFileWrite (); // Save to a Database file
return 1; // Record successfully updated
}
}
return 0; // Not found the given `id` in the records
}
int customerUpdateLastname (char *id, char *lastname) {
int numberOfRecords; // Number of the records in a table
numberOfRecords = RecordCount.customer;
for ( int i = 0; i < numberOfRecords; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 ) {
strcpy (Customer[i].lastname, lastname);
customerFileWrite (); // Save to a Database file
return 1; // Record successfully updated
}
}
return 0; // Not found the given `id` in the records
}
int customerUpdateGender (char *id, char gender) {
int numberOfRecords; // Number of the records in a table
numberOfRecords = RecordCount.customer;
for ( int i = 0; i < numberOfRecords; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 ) {
Customer[i].gender = gender;
customerFileWrite (); // Save to a Database file
return 1; // Record successfully updated
}
}
return 0; // Not found the given `id` in the records
}
int customerUpdatePoint (char *id, double point) {
int numberOfRecords; // Number of the records in a table
numberOfRecords = RecordCount.customer;
for ( int i = 0; i < numberOfRecords; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 ) {
Customer[i].point = point;
customerFileWrite (); // Save to a Database file
return 1; // Record successfully updated
}
}
return 0; // Not found the given `id` in the records
}
int customerUpdatetotalBuy (char *id, double totalBuy) {
int numberOfRecords; // Number of the records in a table
numberOfRecords = RecordCount.customer;
for ( int i = 0; i < numberOfRecords; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 ) {
Customer[i].totalBuy = totalBuy;
customerFileWrite (); // Save to a Database file
return 1; // Record successfully updated
}
}
return 0; // Not found the given `id` in the records
}
int customerDelete (char *id) {
int numberOfRecords; // Number of the records in a table
numberOfRecords = RecordCount.customer;
for ( int i = 0; i < numberOfRecords; i++ ) {
if ( strcmp (Customer[i].id, id) == 0 ) {
while ( i < numberOfRecords - 1 ) {
Customer[i] = Customer[i + 1];
i++;
}
RecordCount.customer--; // Update the amount of records
customerFileWrite (); // Save to a Database file
return 1; // Record successfully deleted
}
}
return 0; // Not found the given `id` in the records
}