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generator.c

+/**
+ * File:        generator.c
+ * Author:      Risto Heinsar
+ * Created:     12.03.2015
+ * Modified     14.03.2023
+ *
+ * Description: This is a random data generator
+ * 
+ * Note:        This is a starter code for a lab task
+ */
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "passenger_pool.h"
+#include "generator.h"
+
+int main(void)
+{
+	srand(time(NULL));
+    /* Names are assigned from the pools in the header*/
+    const char *firstNames[] = FIRST_NAME_POOL;
+    const char *lastNames[] = LAST_NAME_POOL;
+    const char *seats[] = PLANE_SEATS_POOL;
+    const char *months[] = MONTHS_POOL;
+    const char *residencies[] = RESIDENCY_POOL;
+    const char *emails[] = EMAIL_POOL;
+    
+
+    /* Find the counts for the pool sizes */
+    int firstNamePoolSize = sizeof(firstNames) / sizeof(char *);
+    int lastNamePoolSize = sizeof(lastNames) / sizeof(char *);
+    int seatPoolSize = sizeof(seats) / sizeof(char *);
+    int monthPoolSize = sizeof(months) / sizeof(char *);
+    int residencyPoolSize = sizeof(residencies) / sizeof(char *);
+    int emailPoolSize = sizeof(emails) / sizeof(char *);
+	
+   
+
+	printf("\nEnter how many passengers to generate:");
+	int nameCount;
+	scanf("%d", &nameCount);
+	
+
+	
+	users data[SEATS];
+	
+	int i;
+	char seat[4];
+	char month[STR_MAX];
+	char date[DOB_MAX];
+	char email[STR_MAX];
+	
+	for (i = 0; i < nameCount; i++)
+	{
+		strcpy((data + i)->lName, lastNames[GetRand(0,firstNamePoolSize - 1)]);
+		strcpy((data + i)->fName, firstNames[GetRand(0,lastNamePoolSize - 1)]);
+		
+		do //leitakse random istekoht, kuni funktsioon tagastab et
+		{	//kellegil pole seda istkohta otsitakse uus.
+			strcpy(seat,seats[GetRand(0,seatPoolSize - 1)]);
+		}while (GetUniqueSeat(data, i, *seats, SEATS, seat) > 0);
+		
+		strcpy((data + i)->seat, seat); //eeldusel et eelmine tsükkel 
+		//lõpetab kopeeritakse istekoht struktuurimassiivi
+		
+		strcpy(month, months[GetRand(0,monthPoolSize - 1)]); 
+		GenerateDateOfBirth(month, date);
+		strcpy((data + i)->dateOfBirth , date);
+		
+		strcpy((data + i)->residency, residencies[GetRand(0,residencyPoolSize - 1)]);
+		
+		(data + i)->checkedIn = false;
+		
+		email[0] = (data + i)->fName[0];
+		email[strlen(email)] = '.';
+		strcat(email,(data + i)->lName);
+		strcat(email, emails[GetRand(0,emailPoolSize - 1)]);
+		email(strlen(email)) = '\0';
+		printf("%s\n", email);
+		
+		strcpy(email,"");
+	}
+	
+	
+	GenNames(data, nameCount);
+	
+	
+
+    return EXIT_SUCCESS;
+}
+void GenerateDateOfBirth(char *month, char *dateOB)
+{
+	
+	char dob[20] = {0};
+	char temp[15] = {0};
+	int date = GetRand(1, 31);
+	int year = GetRand(1920,2022);
+	
+	snprintf(temp, 5, "%d", date);
+	strcat(dob, temp);
+	dob[strlen(dob)] = '.';
+	
+	
+	strcat(dob, month);
+	dob[strlen(dob)] = '.';
+	
+	snprintf(temp, 5, "%d", year);
+	
+	strcat(dob, temp);
+	dob[strlen(dob)] = '\0';
+	
+	strcpy(dateOB, dob);
+	
+	
+}
+int GetUniqueSeat(users *data, int len, const char *seats, int size, char *seat)
+{
+
+	int match = 0; //Otsib kas on kellegil juba sama istekoht
+	int i;
+	for (i = 0; i < len; i++)
+	{
+		if (strcmp(seat,(data + i)->seat) == 0)
+		{
+			match++;
+		}
+	}
+	
+	return match;
+}
+
+
+
+void GenNames(users *data, int num)
+{
+	FILE *fp = fopen("passengers.txt", "w");
+	
+	if(fp == NULL)
+	{
+		puts("Output file did not open!");
+		exit(EXIT_FAILURE);
+	}
+	
+	int i;
+	
+	for (i = 0; i < num; i++)
+	{
+		fprintf(fp,"%s %s %s %s %s\n",(data + i)->fName,
+			(data + i)->lName,(data + i)->dateOfBirth, (data + i)->residency,
+			(data + i)->seat);
+	}
+
+	fclose(fp);
+}
+
+int GetRand(int min, int max)
+{
+    return (rand() % (max - min + 1)) + min;
+}
+