implementation of collectCustomerProperties()

src/CreateCustomer.c

@@ -1,6 +1,14 @@
 #include "CreateCustomer.h"
+#include "CustomerProperties.h"
+
+int main()
+{
+	collectCustomerProperties();
+}
+
 int generateID()
 {
+	srand(time(0));
 	const int MIN = 1000000, MAX = 10000000;
 	int p_val = rand() % (MAX);
 	if(p_val<MIN)
@@ -9,3 +17,68 @@ int generateID()
 	}
 	return p_val;
 }
+
+void collectCustomerProperties()
+{
+	customer_t instance;
+	instance.forename = calloc(15+1,sizeof(char));
+	instance.surname = calloc(15+1,sizeof(char));
+	instance.password = calloc(20+1,sizeof(char));
+	instance.ID = generateID();
+	int letterCounter = 0;
+	int letterMaximum = 15;
+	char userInput=' ';
+	bool inputTooLong = false;
+	printf("To create a new user, enter the information required below.\n");
+	printf("Enter forename (max. 15 letters):\n");
+	while(letterCounter<letterMaximum && (userInput=getchar())!='\n'){
+		*(instance.forename+letterCounter) = userInput;
+		++letterCounter;
+		if(letterCounter>=letterMaximum){
+			inputTooLong = true;	
+			break;
+		}
+	}
+	if(inputTooLong){
+		printf("Forename too long. Aborting.\n");
+		exit(-1);
+	}else{
+	*(instance.forename+letterCounter) = '\0';
+	letterCounter = 0;
+	}
+	printf("Enter surname (max. 15 letters):\n");
+	while(letterCounter<letterMaximum && (userInput=getchar())!='\n'){
+		*(instance.surname+letterCounter) = userInput;
+		++letterCounter;
+		if(letterCounter>=letterMaximum){
+			inputTooLong = true;
+			break;
+		}
+	}
+	if(inputTooLong){
+		printf("Surname too long. Aborting.\n");
+		exit(-1);
+	}else{
+	*(instance.surname+letterCounter) = '\0';
+	letterCounter = 0;
+	}
+	printf("Enter password (max. 20 letters):\n");
+	while(letterCounter<letterMaximum && (userInput=getchar())!='\n'){
+		*(instance.password+letterCounter) = userInput;
+		++letterCounter;
+		if(letterCounter>=letterMaximum){
+			inputTooLong = true;
+			break;
+		}
+	}
+	if(inputTooLong){
+		printf("Password too long. Aborting.\n");
+		exit(-1);
+	}
+	*(instance.password+letterCounter) = '\0';
+	letterCounter = 0;
+	printf("Enter balance:\n");
+	scanf("%f",&instance.balance);
+
+	printf("Account successfully created. Your ID is: %d. Note it somewhere!\n",instance.ID);
+}

src/CreateCustomer.h

@@ -1,4 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdbool.h>
 #include <time.h>
 int generateID();
+void collectCustomerProperties();

src/CustomerProperties.h

@@ -0,0 +1,7 @@
+typedef struct Customer
+{
+	unsigned int ID;
+	char *password;
+	char *forename, *surname;
+	float balance;	
+}customer_t;