input update

admin_user.h

@@ -198,66 +198,21 @@ struct inventory item_control(struct inventory db,int index){
     return temp;
 }
 
-char* prompt_item(char* prompt){
+
-    char* item = malloc(sizeof(char) * 100);
-    do{
-        printf("%s",prompt);
-        fflush(stdin);
-        scanf("%[^\n]",item);
-        if(strcmp(item,"") == 0){
-            printf("Invalid input, try again?(y/n)\n");
-            char temp[100];
-            fflush(stdin);
-            scanf("%[^\n]",temp);
-            if(strcmp(temp,"n") == 0){
-                return NULL;
-            }
-        }
-    }while(strcmp(item,"") == 0);
-    return item;
-}
 
 void add_item(){
-    char* temp;
     system("cls");
     printf("Add new item\n");
     struct inventory_row *item = (struct inventory_row *)malloc(sizeof(struct inventory_row));
-    temp = prompt_item("Please input the name: \n>");
+    if(!item_inputer("name",INPUT_TYPE::STRING,item->product)       ||
-    if(temp == NULL){
+        !item_inputer("brand",INPUT_TYPE::STRING,item->brand)       ||
+        !item_inputer("category",INPUT_TYPE::STRING,item->category) ||
+        !item_inputer("stock",INPUT_TYPE::FLOAT,item->price)        ||
+        !item_inputer("barcode",INPUT_TYPE::LONG,item->barcode)     
+    ){
         free(item);
         return;
     }
-    strcpy(item->product,temp);
-    temp = prompt_item("Please input the brand: \n>");
-    if(temp == NULL){
-        free(item);
-        return;
-    }
-    strcpy(item->brand,temp);
-    temp = prompt_item("Please input the category: \n>");
-    if(temp == NULL){
-        free(item);
-        return;
-    }
-    strcpy(item->category,temp);
-    temp = prompt_item("Please input the price: \n>");
-    if(temp == NULL){
-        free(item);
-        return;
-    }
-    item->price = atof(temp);
-    temp = prompt_item("Please input the stock: \n>");
-    if(temp == NULL){
-        free(item);
-        return;
-    }
-    item->stock = atoi(temp);
-    temp = prompt_item("Please input the barcode: \n>");
-    if(temp == NULL){
-        free(item);
-        return;
-    }
-    item->barcode = atol(temp);
     if(item == NULL || !append_inventory(item)){
         printf("Failed to add item\n");
     }else{

utils.h

@@ -38,7 +38,55 @@ int choices_selecter(char * Items[],int items,char * welcome_messages ){
   }while(choice < 1 || choice > items+1);
   return choice;
 
-} 
+}
+
+char* prompt_item(char* prompt){
+    char* item = malloc(sizeof(char) * 100);
+    do{
+        printf("%s",prompt);
+        fflush(stdin);
+        scanf("%[^\n]",item);
+        if(strcmp(item,"") == 0){
+            printf("Invalid input, try again?(y/n)\n");
+            char temp[100];
+            fflush(stdin);
+            scanf("%[^\n]",temp);
+            if(strcmp(temp,"n") == 0){
+                return NULL;
+            }
+        }
+    }while(strcmp(item,"") == 0);
+    return item;
+}
+typedef enum{
+  INT=1,STRING=2,LONG=3,FLOAT=4
+}INPUT_TYPE;
+bool item_inputer(char * varname,INPUT_TYPE type,void * item){
+  char output[1024] = "Please input the ";
+  strcat(output,varname);
+  strcat(output,": \n>");
+  char* temp = prompt_item(output);
+  if(temp == NULL){
+        return false;
+  }
+  switch(type){
+    case INT:
+      item = atoi(temp);
+      break;
+    case STRING:
+      strcpy(item,temp);
+      break;
+    case LONG:
+      item = atol(temp);
+      break;
+    case FLOAT:
+      item = atof(temp);
+      break;
+    default:
+      return false;
+  }
+  return true;
+}
 //check if strcasestr is define in current environment
 //if not, define it
 #ifndef HAVE_STRCASESTR