finish most user menu;
only checkout need to be done; clean up, better interface; improve user experience.
This commit is contained in:
parent
1e5999a4e5
commit
baeef3f7c8
1
.gitignore
vendored
1
.gitignore
vendored
@ -1,3 +1,4 @@
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main.exe
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.VSCodeCounter/*
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.vscode/*
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.vscode/settings.json
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3
menu.h
3
menu.h
@ -20,7 +20,8 @@ int user_choices(){
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printf("1. Admin\n");
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printf("2. Normal User\n");
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printf("3. Exit\n");
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printf("Enter your choice: ");
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fflush(stdin);
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scanf("%d", &choice);
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return choice;
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195
normal_user.h
195
normal_user.h
@ -79,6 +79,7 @@ int normal_menu_user_choices(){
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printf("3. Self help sale system\n");
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printf("4. Exit\n");
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printf("Enter your choice: ");
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fflush(stdin);
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scanf("%d", &choice);
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return choice;
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}
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@ -119,6 +120,7 @@ void list_page(struct inventory db,struct Map* map,int row){//user for showing l
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bool valid = true;
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do{
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printf("Enter your choice: ");
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fflush(stdin);
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scanf("%d", &choice);
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if(choice <=8 && choice > 0){
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printf("sorting...\n");
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@ -129,6 +131,7 @@ void list_page(struct inventory db,struct Map* map,int row){//user for showing l
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page--;
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}else if(choice == page_size+5){
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printf("Enter page size: ");
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fflush(stdin);
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scanf("%d", &page_size);
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total_pages = ceil(row / page_size);
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}else if(choice >= 9 && choice < row+9){
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@ -236,6 +239,7 @@ void search_item(){
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printf("0 exit\n");
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printf("1 search\n");
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printf("select your choice: ");
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fflush(stdin);
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scanf("%d", &breakout);
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fflush(stdin);
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if(breakout == 1 || breakout == 0){
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@ -265,18 +269,42 @@ void search_item(){
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char* prompt_search(){
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printf("Enter search string:(largest length 100) ");
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printf("Enter search string:(largest length 100)(case insesitive)\n");
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char* searchstr = malloc(sizeof(char) * 100);
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fflush(stdin);
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scanf("%s", searchstr);
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return searchstr;
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}
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//check if strcasestr is define in current environment
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//if not, define it
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#ifndef HAVE_STRCASESTR
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char *strcasestr(const char *s, const char *find)
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{
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char c, sc;
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size_t len;
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if ((c = *find++) != 0) {
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c = tolower((unsigned char)c);
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len = strlen(find);
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do {
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do {
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if ((sc = *s++) == 0)
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return (NULL);
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} while ((char)tolower((unsigned char)sc) != c);
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} while (strncasecmp(s, find, len) != 0);
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s--;
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}
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return ((char *)s);
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}
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#endif
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struct Map* searchItems(struct inventory db, char* searchstr){
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struct Map* map = malloc(sizeof(struct Map) * (db.db.row_count+1));
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int k = 1;
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for (int i = 0; i < db.db.row_count; i++){
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map[k].key = i;
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if(strstr(db.row[i].product,searchstr) != NULL){
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if(strcasestr(db.row[i].product,searchstr) != NULL){
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map[k].value = (void*)db.row[i].product;
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k++;
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@ -309,6 +337,7 @@ void self_help_sale_system(){
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//options
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int breakout = 0;
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int choice = self_choice();
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check = false;
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switch (choice)
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{
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case 1:
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@ -318,6 +347,7 @@ void self_help_sale_system(){
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case 2:
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cart = list_cart(cart);
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check = true;
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break;
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default:
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break;
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}
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@ -332,11 +362,11 @@ int self_choice(){
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welcome_message();
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printf("0 exit\n");
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printf("1 scan barcode\n");
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printf("2 cart\n");
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printf("3 checkout\n");
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printf("2 cart/checkout\n");
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printf("select an option: ");
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fflush(stdin);
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scanf("%d", &choice);
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if(choice <= 3 || choice >= 0){
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if(choice <= 2 || choice >= 0){
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valid = true;
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}else{
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printf("Invalid choice\n");
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@ -361,6 +391,7 @@ struct cart* Cartappend(struct cart* cart,struct inventory_row* row,int quantity
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temp->next->quantity = quantity;
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temp->next->next = NULL;
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}
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return cart;
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}
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@ -402,6 +433,38 @@ struct cart* Cartupdate(struct cart* cart,int index,int quantity){
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}
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}
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struct inventory_row* Cartget(struct cart* cart,int index){
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if (cart == NULL){
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return NULL;
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}else{
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struct cart* temp = cart;
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if (index == 0){
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return cart->row;
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}else{
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for (int i = 0; i < index-1; i++){
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temp = temp->next;
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}
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return temp->next->row;
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}
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}
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}
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int Cartqty(struct cart* cart,int index){
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if (cart == NULL){
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return 0;
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}else{
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struct cart* temp = cart;
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if (index == 0){
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return cart->quantity;
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}else{
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for (int i = 0; i < index-1; i++){
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temp = temp->next;
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}
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return temp->next->quantity;
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}
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}
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}
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//scan barcode
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struct inventory_row* find_barcode(struct inventory db,long barcode);
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long prompt_barcode();
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@ -411,18 +474,37 @@ struct cart* scan_barcode(struct cart* cart,struct inventory db){
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printf("matching...\n");
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struct inventory_row* row = find_barcode(db,barcode);
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if(row != NULL){
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printf("product: %s\n",row->product);
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printf("price: %.2f\n",row->price);
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printf("Enter quantity: ");\
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int quantity = 0;
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scanf("%d", &quantity);
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if(quantity > 0){
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int quantity = 0;
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char choice = 'n';
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do{
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system("cls");
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printf("product: %s\n",row->product);
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printf("price: %.2f\n",row->price);
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printf("Enter quantity(0 to cancel)\n>");\
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fflush(stdin);
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scanf("%d", &quantity);
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fflush(stdin);
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if(quantity == 0){
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printf("cancelled\n");
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printf("press any key to continue\n");
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fflush(stdin);
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getchar();
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return cart;
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}
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printf("Are you sure you want to add this item to cart?(y/n)");
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scanf("%c", &choice);
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}while(choice != 'y');
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if(quantity != 0){
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cart = Cartappend(cart,row,quantity);
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printf("added to cart\n");
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}
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}else{//empty search
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printf("Unable to match or invalid input\n");
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}
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}while(true);//break on top
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printf("press any key to continue\n");
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fflush(stdin);
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getchar();
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return cart;
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}
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@ -430,15 +512,14 @@ struct cart* scan_barcode(struct cart* cart,struct inventory db){
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long prompt_barcode(){
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printf("Please scan the qr code(or input the barcode ) ");
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long barcode;
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scanf("%ld", barcode);
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fflush(stdin);
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scanf("%ld", &barcode);
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return barcode;
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}
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struct inventory_row* find_barcode(struct inventory db,long barcode){
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struct inventory_row row;
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printf("s");
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for (int i = 0; i < db.db.row_count; i++){
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printf("s");
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printf("%ld\n",db.row[i].barcode);
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if(db.row[i].barcode == barcode){
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@ -451,6 +532,7 @@ struct inventory_row* find_barcode(struct inventory db,long barcode){
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//list cart
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struct cart* cart_control(struct cart* cart,int index);
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struct cart* checkout(struct cart* cart);
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struct cart* list_cart(struct cart* cart){
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int choice = 0;
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do{
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@ -463,65 +545,108 @@ struct cart* list_cart(struct cart* cart){
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printf("Cart is empty\n");
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}else{
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struct cart* temp = cart;
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while(temp != NULL){
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while(temp != NULL){//show cart
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int qty = temp->quantity;
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double price = temp->row->price * qty;
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total_price += price;
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printf("%d product:%s price:$%lf qty:%d\n",i,temp->row->product,price,qty);
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printf("%d product:%s price:$%lf\n quantity:%d\n",i,temp->row->product,price,qty);
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printf("<------------------------>\n");
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temp = temp->next;
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i++;
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}
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printf("Total price: $%.2f\n",total_price);
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printf("%d checkout\n",i);
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}
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do{
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printf("input the corrisponding value for more action\n");
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printf("input the corrisponding value for more action\n>");
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fflush(stdin);
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scanf("%d", &choice);
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if(choice >0 && choice <= i){
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if(choice >0 && choice < i){
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cart = cart_control(cart,choice);
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}
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}while(choice >0 && choice < i);
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}else if(choice == i && cart != NULL){
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cart = checkout(cart);
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}
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}while(choice <0 || choice > i);
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}while(choice != 0);
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return cart;
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}
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struct cart* update_cart(struct cart* cart,int index);
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struct cart* cart_control(struct cart* cart,int index){
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int choice = 0;
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struct inventory_row* row = Cartget(cart,index-1);
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int quantity = Cartqty(cart,index-1);
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do{
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system("cls");
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welcome_message();
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printf("0 exit\n");
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printf("1 remove\n");
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printf("2 edit quantity\n");
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bool check = false;
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printf("product: %s\n",row->product);
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printf("price: %.2f\n",row->price);
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printf("quantity: %d\n",quantity);
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bool check;
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do{
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check = true;
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printf("select an option: ");
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fflush(stdin);
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scanf("%d", &choice);
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if(choice == 1){
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cart = Cartremove(cart,index-1);
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check = true;
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printf("Remove successful\n");
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printf("press any key to continue\n");
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fflush(stdin);
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getchar();
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}else if(choice == 2){
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cart = update_cart(cart,index);
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check = true;
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printf("Update successful\n");
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printf("press any key to continue");
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fflush(stdin);
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getchar();
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}else if(choice != 0){
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printf("Invalid choice\n");
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check = false;
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}
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}while(!check);
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}while(choice != 0);
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}while(choice < 0 || choice > 2);
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return cart;
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}
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struct cart* update_cart(struct cart* cart,int index){
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system("cls");
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welcome_message();
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printf("enter the new quantity: ");
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int quantity = 0;
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scanf("%d", &quantity);
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if(quantity > 0){
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cart = Cartupdate(cart,index-1,quantity);
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}else if (quantity == 0){
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cart = Cartremove(cart,index-1);
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}else{
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printf("Invalid quantity\n");
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}
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char choice;
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do{
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int quantity = 0;
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printf("enter the new quantity: ");
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fflush(stdin);
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scanf("%d", &quantity);
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printf("Are you sure you want to update this item?(y/n/e to exit)");
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fflush(stdin);
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scanf("%c", &choice);
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if(choice == 'y'){
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if(quantity != 0){
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cart = Cartupdate(cart,index-1,quantity);
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}else if (quantity == 0){
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cart = Cartremove(cart,index-1);
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}
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}
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}while(choice != 'y' && choice != 'e');
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return cart;
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}
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//Checkout
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//TODO checkout
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struct cart* checkout(struct cart* cart){
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//TODO:write db func for transaction
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//TODO:write db func for user
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//TODO:update stock
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system("cls");
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welcome_message();
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return cart;
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}
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