databasePTR init_database(char *file_path)
{
size_t len;
ssize_t chars;
FILE *customerFile;
char *token;
char *linebuffer;
char* name;
float credit;
int c_id;
databasePTR db = createDatabase();
//make sure filepath is referencing a valid file
if (!checkFile(file_path))
{
printf("Error with filepath \n", file_path);
exit(EXIT_FAILURE);
}
customerFile = fopen(file_path, "r");
len = 0;
linebuffer = NULL;
while ( (chars = getline(&linebuffer, &len, customerFile) != -1) ) // tokenize for each line in input file
{
token = strtok(linebuffer, "|"); // name is first
if (!token) {printf("Invalid customer file format \n"); exit(1);}
name = strdup(token);
printf("name: %s \n", name);
token = strtok(NULL, "|"); // then ID
if (!token) {printf("Invalid customer file format \n"); exit(1);}
c_id = atoi(token);
printf("cid: %d \n", c_id);
token = strtok(NULL, "|"); // then credit limit
if (!token) {printf("Invalid customer file format \n"); exit(1);}
credit = atof(token);
customerPTR newCustomer = createCustomer(name, c_id, credit);
addCustomer(db, newCustomer);
}
free(linebuffer);
fclose(customerFile);
return db;
}
/* Reads and parses input from the input file.
* Also adds input to the two lists.
*/
void readInput(FILE* inputFile, CustomerList* cList, OrderList* oList) {
int id;
char last_name[25];
char first_name[25];
char item_name[20];
float item_price;
int item_quantity;
while (1) {
if( fscanf(inputFile, "%d %s %s %s $%f %d",
&id, last_name, first_name, item_name, &item_price, &item_quantity) == EOF){
printf("End of file\n");
break;
}
/*printf("%d %s %s %s $%.2f %d\n",
id, last_name, first_name, item_name, item_price, item_quantity);*/
//check if customer is already in CustomerList.
if (containsCust(cList, id)) {
addToCust(cList, id, item_price, item_quantity);
//Add to list of orders
Order* ord = createOrder(id, item_name, item_price, item_quantity);
pushOList(oList, ord);
} else {
char combine_name[50];
strcpy(combine_name, last_name);
strcat(combine_name, " ");
strcat(combine_name, first_name);
//Add to list of customers
Customer* cust = createCustomer(id, combine_name, item_price, item_quantity);
pushCList(cList, cust);
//Add to list of orders
Order* ord = createOrder(id, item_name, item_price, item_quantity);
pushOList(oList, ord);
}
}
}
static CustomerPtr createBronzeCustomer(const char* name, const Address* address)
{
return createCustomer(name, address, bronzePriceStrategy);
}
static CustomerPtr createGoldCustomer(const char* name, const Address* address)
{
return createCustomer(name, address, goldPriceStrategy);
}
static CustomerPtr createSilverCustomer(const char* name, const Address* address)
{
return createCustomer(name, address, silverPriceStrategy);
}
