Brusnigin Kassa

02_Brusnigin/Lab2_Kassa/code.c

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+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+
+struct Product {
+	char code[5];
+	char name[50];
+	double kg_price;
+	double amount;
+};
+
+typedef struct Product Product;
+
+struct Product Warehouse[] = {
+	{"99919", "Banana", 199.0, 25.0},
+	{"34583", "Apple", 149.99, 135.0},
+	{"12345", "Cucumber", 299.0, 50.5},
+	{"54322", "Tomato", 269.0, 30.0},
+	{"69696", "Potato", 149.99, 50.0},
+	{"12365", "Cheese", 395.0, 10.0},
+	{"99999", "Pepsi", 199.99, 50.3},
+	{"87425", "Carrot", 89.50, 20.1},
+	{"23411", "Bread", 57.10, 25.0},
+	{"93411", "Chicken", 435.50, 14.2}
+};
+
+struct Product Check[100];
+
+
+int get_list(char List[][100]) {
+	char string[100];
+
+	int i = 0;
+	do {
+		fgets(string, 100, stdin);
+		strcpy(List[i], string);
+		i++;
+	}
+	while (strlen(string) != 1);
+
+	return i;
+}
+
+
+int add_in_check(char code[5], char name[50], double kg_price, double amount, int i) {
+	int flag = -1;
+
+	for (int j=0; j < sizeof(Check)/sizeof(Check[0]); j++)
+		if (strcmp(code, Check[j].code) == 0)
+			flag = j;
+
+	if (flag != -1){
+		Check[flag].kg_price += kg_price*amount;
+		Check[flag].amount += amount;
+		return 0;
+	}
+
+	else {
+		strcpy(Check[i].code, code);
+		strcpy(Check[i].name,name);
+		Check[i].kg_price = kg_price*amount;
+		Check[i].amount = amount;
+		return 1;
+	}
+}
+
+void print_check(int n) {
+	int i; double sum = 0.0;
+
+	FILE *file = fopen("check.txt", "w");
+
+	printf("==========CHECK==========\n");
+	fputs("==========CHECK==========\n", file);
+
+	for (i = 0; i < n; i++){
+		printf(Check[i].name);
+		fputs(Check[i].name, file);
+
+		printf("   ");
+		fputs("   ", file);
+
+		printf("%.2f\n", Check[i].kg_price);
+		fprintf(file, "%.2f\n", Check[i].kg_price);
+
+		sum += Check[i].kg_price;
+	}
+	printf("\nSum = %.2f\n", sum);
+	fprintf(file, "\nSum = %.2f\n", sum);
+
+	printf("=========================\n");
+	fputs("=========================", file);
+
+	printf("\nFile with check - check.txt\n");
+
+	fclose(file);
+}
+
+
+int main() {
+	int amount_in_list;  // количество записей в списке покупок
+	int tokens_amount;  
+	int i, j;
+	int buyed = 0;
+	int items = sizeof(Warehouse)/sizeof(Warehouse[0]);
+
+	char* token;
+	char* name = "";
+	char* amount = "";
+
+	int name_flag, amount_flag;
+
+	char List[25][100];  // список покупок
+	char* Assortment[10];  // ассортимент (названия)
+
+	for (i=0; i < items; i++){
+		Assortment[i] = Warehouse[i].name;
+		//Assortment[i][0] = tolower(Assortment[i][0]);
+	}
+
+
+	printf("Shopping list:\n");
+	amount_in_list = get_list(List);
+
+
+	for (i=0; i < amount_in_list-1; i++){
+		token = strtok(List[i], " ");
+
+		tokens_amount = 0;
+
+		name_flag = 0; amount_flag = 0;
+
+		while (token != NULL) {
+			tokens_amount++;
+
+			for (j=0; j<strlen(token); j++)
+				if (strcmp(&token[j], "\n") == 0)
+					token[j] = 0;
+
+
+			if (isdigit(token[0])){
+				amount = token;
+				amount_flag = 1;
+			}
+
+			else{
+				name = token;
+				name_flag = 1;
+			}
+
+			token = strtok(NULL, " ");
+		}
+
+		if (tokens_amount == 2 && name_flag && amount_flag){
+			for (j=1; j < strlen(name); j++)
+				name[j] = tolower(name[j]);
+
+			name[0] = toupper(name[0]);
+
+			for (j=0; j < items; j++){
+				if (strlen(name) >= 4 && (strstr(name, Assortment[j]) || strstr(Assortment[j], name))) {
+					if (Warehouse[j].amount >= strtod(amount, NULL)){
+						printf(Warehouse[j].name);
+						printf(": ");
+						printf(amount);
+						printf("*");
+						printf("%.2f", Warehouse[j].kg_price);
+						printf("\n");
+
+						buyed += add_in_check(Warehouse[j].code, Warehouse[j].name, Warehouse[j].kg_price, strtod(amount, NULL), buyed);	
+					}
+
+					else {
+						printf(Warehouse[j].name);
+						printf(": ");
+						printf("Not enough goods in warehouse\n");
+					}
+
+					break;
+				}
+			}
+		}
+	}
+
+	printf("\n");
+	print_check(buyed);
+}