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main.c
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/*!
* @file main.c
*
* @brief Main source file
* @details This file contains the implementation of the main function.
*
* @author CrimsonCare Team
* @date 2025-01-18
*
* @copyright
* Copyright (c) 2025 CrimsonCare Team
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "include/admin_manager.h"
#include "include/hospital_manager.h"
#include "include/blood_manager.h"
#include "include/transaction_manager.h"
#include "include/misc.h"
int main(void) {
loadBloodGroups();
loadHospitals();
loadAdminCredentials();
displayWelcomeMessage();
uint32_t choice;
bool isAdmin = false;
char currentAdminUsername[MAX_USERNAME_LENGTH];
while (1) {
displayUserMenu();
if (scanf("%u", &choice) != 1) {
printf("Error: Invalid input.\n");
clearInputBuffer();
continue;
}
clearInputBuffer();
switch (choice) {
case 1: {
TransactionType transactionType = BUY;
if (!isBloodAvailable(NULL, transactionType)) {
printf("No blood available for purchase.\n");
break;
}
char hospitalCode[MAX_TRANSACTION_NAME_LENGTH];
uint32_t bloodGroupId;
uint32_t quantity;
printf("Enter Entity Name (Hospital Code): ");
fgets(hospitalCode, sizeof(hospitalCode), stdin);
hospitalCode[strcspn(hospitalCode, "\n")] = 0;
if (containsPipe(hospitalCode)) {
printf("Error: Hospital code cannot contain a pipe character.\n");
break;
}
if (!validateHospitalCode(hospitalCode)) {
printf("Error: Invalid hospital code.\n");
break;
}
displayBloodStocks();
printf("Enter Blood Group ID: ");
scanf("%u", &bloodGroupId);
clearInputBuffer();
if (!isValidBloodGroup(bloodGroupId)) {
printf("Error: Invalid blood group.\n");
break;
}
if (!isBloodAvailable(&bloodGroupId, transactionType)) {
printf("Blood %s is not available for purchase.\n", getBloodGroupById(bloodGroupId));
break;
}
printf("Enter Quantity: ");
scanf("%u", &quantity);
clearInputBuffer();
if (addTransaction(transactionType, hospitalCode, bloodGroupId, quantity)) {
printf("Transaction successful for %s (%s).\n", getHospitalNameByCode(hospitalCode), hospitalCode);
} else {
printf("Error: Transaction failed.\n");
}
break;
}
case 2: {
TransactionType transactionType = SELL;
if (!isBloodAvailable(NULL, transactionType)) {
printf("No blood available for sale.\n");
break;
}
char donorName[MAX_TRANSACTION_NAME_LENGTH];
uint32_t bloodGroupId;
uint32_t quantity;
printf("Enter Donor Name: ");
fgets(donorName, sizeof(donorName), stdin);
donorName[strcspn(donorName, "\n")] = 0;
if (containsPipe(donorName)) {
printf("Error: Donor name cannot contain a pipe character.\n");
break;
}
displayBloodStocks();
printf("Enter Blood Group ID: ");
scanf("%u", &bloodGroupId);
clearInputBuffer();
if (!isValidBloodGroup(bloodGroupId)) {
printf("Error: Invalid blood group.\n");
break;
}
if (!isBloodAvailable(&bloodGroupId, transactionType)) {
printf("Blood %s is not available for sale.\n", getBloodGroupById(bloodGroupId));
break;
}
printf("Enter Quantity: ");
scanf("%u", &quantity);
clearInputBuffer();
if (addTransaction(transactionType, donorName, bloodGroupId, quantity)) {
printf("Transaction successful for %s.\n", donorName);
} else {
printf("Error: Transaction failed.\n");
}
break;
}
case 3:
displayBloodStocks();
break;
case 4: {
char adminPassword[MAX_PASSWORD_LENGTH];
printf("Enter Admin Username: ");
fgets(currentAdminUsername, sizeof(currentAdminUsername), stdin);
currentAdminUsername[strcspn(currentAdminUsername, "\n")] = 0;
if (!checkUsername(currentAdminUsername)) {
printf("Error: Invalid username. Username can only contain lowercase letters and digits.\n");
break;
}
printf("Enter Admin Password: ");
getPassword(adminPassword, sizeof(adminPassword));
if (validateAdmin(currentAdminUsername, adminPassword)) {
isAdmin = true;
printf("Admin %s logged in successfully.\n", currentAdminUsername);
while (isAdmin) {
displayAdminMenu();
if (scanf("%u", &choice) != 1) {
printf("Error: Invalid input.\n");
clearInputBuffer();
continue;
}
clearInputBuffer();
switch (choice) {
case 1: {
char hospitalName[MAX_HOSPITAL_NAME_LENGTH];
char hospitalLocation[MAX_HOSPITAL_LOCATION_LENGTH];
printf("Enter Hospital Name: ");
fgets(hospitalName, sizeof(hospitalName), stdin);
hospitalName[strcspn(hospitalName, "\n")] = 0;
if (containsPipe(hospitalName)) {
printf("Error: Hospital name cannot contain a pipe character.\n");
break;
}
printf("Enter Hospital Location: ");
fgets(hospitalLocation, sizeof(hospitalLocation), stdin);
hospitalLocation[strcspn(hospitalLocation, "\n")] = 0;
if (containsPipe(hospitalLocation)) {
printf("Error: Hospital location cannot contain a pipe character.\n");
break;
}
char* hospitalCode = addHospital(hospitalName, hospitalLocation);
if (hospitalCode) {
printf("Hospital %s added successfully by %s.\n", hospitalName, currentAdminUsername);
printf("Hospital Code: %s\n", hospitalCode);
} else {
printf("Error: Could not add hospital.\n");
}
break;
}
case 2: {
displayBloodGroups();
uint32_t bloodGroupId;
uint32_t newQuantity;
printf("Enter Blood Group ID: ");
scanf("%u", &bloodGroupId);
clearInputBuffer();
if (!isValidBloodGroup(bloodGroupId)) {
printf("Error: Invalid blood group.\n");
break;
}
if (!isBloodAvailable(&bloodGroupId, SELL)) {
float newPrice;
printf("Price for %s is not set.\n", getBloodGroupById(bloodGroupId));
printf("Enter New Price: ");
scanf("%f", &newPrice);
clearInputBuffer();
if (updateBloodPrice(bloodGroupId, newPrice)) {
printf("Blood price for %s updated successfully by %s.\n", getBloodGroupById(bloodGroupId), currentAdminUsername);
} else {
printf("Error: Could not update blood price.\n");
}
}
printf("Enter New Quantity: ");
scanf("%u", &newQuantity);
clearInputBuffer();
if (updateBloodQuantity(bloodGroupId, newQuantity)) {
printf("Blood quantity for %s updated successfully by %s.\n", getBloodGroupById(bloodGroupId), currentAdminUsername);
} else {
printf("Error: Could not update blood quantity.\n");
}
break;
}
case 3: {
displayBloodGroups();
uint32_t bloodGroupId;
float newPrice;
printf("Enter Blood Group ID: ");
scanf("%u", &bloodGroupId);
clearInputBuffer();
if (!isValidBloodGroup(bloodGroupId)) {
printf("Error: Invalid blood group.\n");
break;
}
printf("Enter New Price: ");
scanf("%f", &newPrice);
clearInputBuffer();
if (updateBloodPrice(bloodGroupId, newPrice)) {
printf("Blood price for %s updated successfully by %s.\n", getBloodGroupById(bloodGroupId), currentAdminUsername);
} else {
printf("Error: Could not update blood price.\n");
}
break;
}
case 4: {
char adminOldPassword[MAX_PASSWORD_LENGTH];
char adminNewPassword[MAX_PASSWORD_LENGTH];
printf("Enter Old Password: ");
getPassword(adminOldPassword, sizeof(adminOldPassword));
printf("Enter New Password: ");
getPassword(adminNewPassword, sizeof(adminNewPassword));
if (changeAdminPassword(currentAdminUsername, adminOldPassword, adminNewPassword)) {
printf("Password for %s updated successfully.\n", currentAdminUsername);
} else {
printf("Error: Could not change admin password.\n");
}
break;
}
case 5: {
char currentAdminPassword[MAX_PASSWORD_LENGTH];
char newAdminUsername[MAX_USERNAME_LENGTH];
char newAdminPassword[MAX_PASSWORD_LENGTH];
char confirmNewAdminPassword[MAX_PASSWORD_LENGTH];
printf("To continue, please enter your (%s) current password: ", currentAdminUsername);
getPassword(currentAdminPassword, sizeof(currentAdminPassword));
if (validateAdmin(currentAdminUsername, currentAdminPassword)) {
printf("Password verified successfully.\n");
} else {
printf("Error: Invalid password.\n");
break;
}
printf("Enter New Admin Username: ");
fgets(newAdminUsername, sizeof(newAdminUsername), stdin);
newAdminUsername[strcspn(newAdminUsername, "\n")] = 0;
if (!checkUsername(newAdminUsername)) {
printf("Error: Invalid username. Username can only contain lowercase letters and digits.\n");
break;
}
printf("Enter New Admin Password: ");
getPassword(newAdminPassword, sizeof(newAdminPassword));
printf("Confirm New Admin Password: ");
getPassword(confirmNewAdminPassword, sizeof(confirmNewAdminPassword));
if (strcmp(newAdminPassword, confirmNewAdminPassword) != 0) {
printf("Error: Passwords do not match.\n");
break;
}
if (addAdmin(newAdminUsername, newAdminPassword, currentAdminUsername, currentAdminPassword)) {
printf("New admin %s added successfully by %s.\n", newAdminUsername, currentAdminUsername);
} else {
printf("Error: Could not add new admin.\n");
}
break;
}
case 6: {
char delAdminUsername[MAX_USERNAME_LENGTH];
char currentAdminPassword[MAX_PASSWORD_LENGTH];
printf("To continue, please enter your (%s) current password: ", currentAdminUsername);
getPassword(currentAdminPassword, sizeof(currentAdminPassword));
if (validateAdmin(currentAdminUsername, currentAdminPassword)) {
printf("Password verified successfully.\n");
} else {
printf("Error: Invalid password.\n");
break;
}
printf("Enter Admin Username to Delete: ");
fgets(delAdminUsername, sizeof(delAdminUsername), stdin);
delAdminUsername[strcspn(delAdminUsername, "\n")] = 0;
if (!checkUsername(delAdminUsername)) {
printf("Error: Invalid username. Username can only contain lowercase letters and digits.\n");
break;
}
if (deleteAdmin(delAdminUsername, currentAdminUsername, currentAdminPassword)) {
printf("Admin %s deleted successfully by %s.\n", delAdminUsername, currentAdminUsername);
} else {
printf("Error: Could not delete admin.\n");
}
break;
}
case 7: {
char delHospitalCode[MAX_HOSPITAL_CODE_LENGTH];
char currentAdminPassword[MAX_PASSWORD_LENGTH];
printf("To continue, please enter your (%s) current password: ", currentAdminUsername);
getPassword(currentAdminPassword, sizeof(currentAdminPassword));
if (validateAdmin(currentAdminUsername, currentAdminPassword)) {
printf("Password verified successfully.\n");
} else {
printf("Error: Invalid password.\n");
break;
}
printf("Enter Hospital Code to Delete: ");
fgets(delHospitalCode, sizeof(delHospitalCode), stdin);
delHospitalCode[strcspn(delHospitalCode, "\n")] = 0;
if (containsPipe(delHospitalCode)) {
printf("Error: Hospital code cannot contain a pipe character.\n");
break;
}
if (deleteHospital(delHospitalCode, currentAdminUsername, currentAdminPassword)) {
printf("Hospital %s deleted successfully by %s.\n", delHospitalCode, currentAdminUsername);
} else {
printf("Error: Could not delete hospital.\n");
}
break;
}
case 8: {
displayAdmin();
break;
}
case 9: {
displayHospitals();
break;
}
case 10: {
displayBloodStocks();
break;
}
case 11: {
displayTransactions();
break;
}
case 12:
printf("Exiting admin panel...\n");
isAdmin = false;
break;
default:
printf("Error: Invalid option. Please try again.\n");
}
}
} else {
printf("Error: Invalid admin credentials.\n");
}
break;
}
case 5:
printf("Exiting...\n");
break;
default:
printf("Error: Invalid option. Please try again.\n");
}
if (choice == 5) {
break;
}
}
freeAdmin();
freeHospital();
freeBloodList();
return 0;
}