first commit

admin_user.h

@@ -0,0 +1,8 @@
+//include std lib if they havent been included
+#ifndef STD_LIB_H
+#define STD_LIB_H
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<stdbool.h>
+#endif

data_file_inventory.txt

@@ -0,0 +1,31 @@
+#category, brand, product, price, cost, stock, barcode
+Test
+Testing Co Ltd
+Testing Product
+15.0
+1122
+Juice
+Mr Juicy
+Orange Juice Drink 360mL (Bottle)
+9.9
+9665
+Juice
+F&N Fruit Tree
+Apple & Aloe Vera Juice Drink 500mL
+16.0
+6479
+Juice
+F&N Fruit Tree
+Apple & Aloe Vera Juice Drink 1L
+22.9
+5155
+Juice
+Homegrown Juice Company
+Cold Pressed NZ Apple Juice 1L
+35.5
+6470
+T2
+T2 Brand
+T2 Product
+20.0
+2983

data_file_transaction.txt

@@ -0,0 +1,67 @@
+#date,time,id,price,qty,barcode
+2022-08-10
+18:55:30
+32001
+20
+-10
+5155
+2022-08-10
+18:55:30
+32001
+15
+-5
+6479
+2022-08-11
+10:55:21
+20001
+22.9
+1
+5155
+2022-08-11
+19:49:42
+32001
+16.0
+2
+6479
+2022-08-12
+12:34:12
+20002
+16
+1
+6479
+2022-08-12
+18:49:33
+30001
+22.9
+10
+5155
+2022-08-12
+18:49:51
+20001
+15.0
+5
+1122
+2022-08-12
+22:43:53
+30001
+22.9
+2
+5155
+2022-08-12
+22:44:54
+30001
+15.0
+1
+1122
+2022-08-12
+23:11:05
+30002
+5.0
+-1
+2983
+2022-08-12
+23:59:02
+20001
+22.9
+1
+5155

data_file_user.txt

@@ -0,0 +1,10 @@
+#name,role,id
+Wu Ka Cheuk
+teacher
+32001
+Chan Tai Man
+student
+20001
+Chan Siu Man
+student
+20002

database.h

@@ -0,0 +1,112 @@
+//include std lib if they havent been included
+#ifndef STD_LIB_H
+#define STD_LIB_H
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<stdbool.h>
+#endif
+#ifndef DNT_H
+#define DNT_H
+#include "dateNtime.h"
+#endif // !DNT_H
+typedef struct basic_db{
+    FILE *fp;
+    int row_count;
+    //array of struct of row
+};
+
+//inventory
+typedef struct inventory{
+    struct basic_db db;
+    struct inventory_row* row;
+    
+};
+typedef struct inventory_row{
+    char category[100];
+    char band[100];
+    char product[100];
+    double price;
+    double cost;
+    int stock;
+    long barcode;
+};
+typedef enum INVENTORY {
+    category = 1, brand = 2, product = 3, price = 4, cost =  5, stock = 6 , barcode = 7
+ };
+
+//transaction
+typedef struct transaction{
+    struct basic_db db;
+    struct transaction_row* row;
+    
+};
+typedef struct transaction_row{
+    struct date date;
+    struct time time;
+    long id;
+    double price;
+    int quantity;
+    long barcode;
+};
+typedef enum TRANSACTION {
+    date = 1, time = 2, id = 3, price = 5, quantity = 4, barcode = 7
+ };
+
+//user
+typedef struct user{
+    struct basic_db db;
+    struct user_row* row;
+};
+typedef struct user_row{
+    char name[100];
+    char role[100];
+    long id;
+    bool isAdmin;
+};
+
+typedef  enum USER {
+    name = 1, role = 2,id = 3
+ };
+
+
+
+
+
+//list of db func
+bool read_db_invt(FILE* fp,enum INVENTORY inventory){
+    return true;
+}
+bool read_db_tran(FILE* fp,enum TRANSACTION transaction){
+    return true;
+}
+bool read_db_user(FILE* fp,enum USER user){
+    return true;
+}
+bool new_db_invt(FILE* fp,enum INVENTORY inventory){
+    return true;
+}
+bool new_db_tran(FILE* fp,enum TRANSACTION transaction){
+    return true;
+}
+bool new_db_user(FILE* fp,enum USER user){
+    return true;
+}
+bool edit_db_invt(FILE* fp,enum INVENTORY inventory){
+    return true;
+}
+bool edit_db_tran(FILE* fp,enum TRANSACTION transaction){
+    return true;
+}
+bool edit_db_user(FILE* fp,enum USER user){
+    return true;
+}
+bool rm_db_invt(FILE* fp,enum INVENTORY inventory){
+    return true;
+}
+bool rm_db_tran(FILE* fp,enum TRANSACTION transaction){
+    return true;
+}
+bool rm_db_user(FILE* fp,enum USER user){
+    return true;
+}

dateNtime.h

@@ -0,0 +1,45 @@
+//include std lib if they havent been included
+#ifndef STD_LIB_H
+#define STD_LIB_H
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<stdbool.h>
+#endif
+//DATE
+typedef struct date{
+    int day;
+    int month;
+    int year;
+};
+
+
+struct date convert_to_date(char* date){
+    struct date d;
+    char* token = strtok(date, "-");
+    d.day = atoi(token);
+    token = strtok(NULL, "-");
+    d.month = atoi(token);
+    token = strtok(NULL, "-");
+    d.year = atoi(token);
+    return d;
+}
+
+//TIME
+
+typedef struct time{
+    int hour;
+    int minute;
+    int second;
+};
+
+struct time convert_to_time(char* time){
+    struct time t;
+    char* token = strtok(time, ":");
+    t.hour = atoi(token);
+    token = strtok(NULL, ":");
+    t.minute = atoi(token);
+    token = strtok(NULL, ":");
+    t.second = atoi(token);
+    return t;
+}

filecontrol.h

@@ -0,0 +1,8 @@
+//include std lib if they havent been included
+#ifndef STD_LIB_H
+#define STD_LIB_H
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<stdbool.h>
+#endif

main.c

@@ -0,0 +1,54 @@
+//include std lib if they havent been included
+#ifndef STD_LIB_H
+#define STD_LIB_H
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<stdbool.h>
+#endif
+#ifndef CUSTOM_H
+#define CUSTOM_H
+#include "database.h"
+#endif // !CUSTOM_H
+
+#ifndef MENU_H
+#define MENU_H
+#include "menu.h"
+#endif //MENU_H
+#include "normal_user.h"
+#include "admin_user.h"
+
+
+
+
+int main(){
+    bool check;
+    do
+    {
+        //print welcome message
+        //prompt weather user is admin or normal user
+        //then redirect them to the corisponding menu
+        welcome_message();//refer to menu.h, keep things easier for repeat use on future
+        int choice = user_choices();//same as above
+        switch (choice)
+        {
+        case 1://admin
+            check = admin_menu();//refers to admin_user.h
+            break;
+        case 2://normal user
+            check = normal_menu();//refers to normal_user.h
+            break;
+        case 3://exit
+            check = false;
+            break;
+        default://invalid input
+            printf("Invalid choice\n");
+            check = false;
+            break;
+        }
+
+
+    } while (check);
+    
+    return 0;
+}

menu.h

@@ -0,0 +1,26 @@
+//include std lib if they havent been included
+#ifndef STD_LIB_H
+#define STD_LIB_H
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<stdbool.h>
+#endif
+
+
+void welcome_message(){
+    printf("><Welcome to the Student Union POS system><\n");//welcome messgae
+}
+
+int user_choices(){
+    int choice;
+
+    printf("Are you an admin or a normal user?\n");
+    printf("1. Admin\n");
+    printf("2. Normal User\n");
+    printf("3. Exit\n");
+    
+    scanf("%d", &choice);
+    
+    return choice;
+}

normal_user.h

@@ -0,0 +1,20 @@
+//include std lib if they havent been included
+#ifndef STD_LIB_H
+#define STD_LIB_H
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<stdbool.h>
+#endif
+
+#ifndef MENU_H
+#define MENU_H
+#include "menu.h"
+#endif //MENU_H
+
+bool normal_menu(){
+
+
+
+    retrurn true
+}