Implement CSV loading and saving functionality; refactor user list management; update UUID generation and search functions; enhance signal handling in main application.

include/db_handler.h

@@ -0,0 +1,17 @@
+/** 
+ * @brief Provizorni modul pro praci se seznamy uzivatelu. Priprava pro implementaci uziti PostgreSQL
+ * 
+*/
+
+#ifndef __DB_HANDLER_H__
+#define __DB_HANDLER_H__
+
+#include "main.h"
+#include "users.h"
+#include <libpq-fe.h>
+
+int loadListFromCSV(char* _filename, list_t * _list);
+
+int saveListToCSV(char* _filename, list_t * _list);
+
+#endif

include/rfid_handler.h

@@ -13,7 +13,7 @@ typedef struct
 // UART handler thread
 void *uartListener(void *arg);
 
-void parseIncommingPacket(list_t *_head, BYTE *_packet);
+uint16_t parseIncommingPacket(BYTE *_packet);
 
 void sendPacketToDevice(BYTE * _packet);
 

include/tui.h

@@ -5,8 +5,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include "main.h"
-
+#include "users.h"
 
 void uartDialog(char *uart_adress, int terminal_x, int terminal_y);
 
+void mainMenu(list_t * person_list, int terminal_x, int terminal_y);
+
 #endif

include/users.h

@@ -45,7 +45,7 @@ typedef struct list
  * @param _head Pointer to the head node of the linked list.
  * @return A 16-bit unsigned integer representing the generated UUID.
  */
-uint16_t generateUUID(node_t *_head);
+uint16_t generateUUID(list_t *_list);
 
 /**
  * @brief Searches for a UUID associated with a user by their name and surname.
@@ -59,7 +59,7 @@ uint16_t generateUUID(node_t *_head);
  * @param _surname Pointer to a string containing the user's surname.
  * @return Pointer to the UUID of the user if found, or 0 if no match is found.
  */
-uint16_t *searchUUIDByName(node_t *_head, char *_name, char *_surname);
+uint16_t *searchUUIDByName(list_t *_list, char *_name, char *_surname);
 
 /**
  * @brief Searches for a person in a linked list by their UUID.
@@ -72,7 +72,7 @@ uint16_t *searchUUIDByName(node_t *_head, char *_name, char *_surname);
  * @return Pointer to the node containing the person with the matching UUID,
  *         or NULL if no such person is found.
  */
-node_t *searchPersonByUUID(node_t *_head, uint16_t _uuid);
+node_t *searchPersonByUUID(list_t *_list, uint16_t _uuid);
 
 /**
  * @brief Adds a new person to the linked list.
@@ -101,7 +101,9 @@ node_t *searchPersonByUUID(node_t *_head, uint16_t _uuid);
  * }
  * ```
  */
-int addPersonToList(node_t **_head, char *_name, char *_surname, uint32_t _department);
+int addPersonToList(list_t *_list, char *_name, char *_surname, uint32_t _department);
+
+int loadPersonToList(list_t *_list, uint16_t _uuid, char *_name, char *_surname, uint32_t _department, time_t _last_event, time_t _total, BYTE _available);
 
 /**
  * @brief Adds a time event to the specified person's event list.
@@ -114,7 +116,7 @@ int addPersonToList(node_t **_head, char *_name, char *_surname, uint32_t _depar
  * @return An integer indicating the success or failure of the operation.
  *         Typically, 1 for success and a 0 for failure.
  */
-int addTimeEvent(node_t *_person);
+int addTimeEvent(node_t *_person, list_t *_list);
 
 /**
  * @brief Removes a person node from a linked list.
@@ -127,5 +129,6 @@ int addTimeEvent(node_t *_person);
  * @param _person Double pointer to the node representing the person to remove.
  * @return int    Returns 0 on success, or a negative value on failure.
  */
-int removePersonFromList(node_t **_head, node_t **_person);
+int removePersonFromList(list_t *_list, node_t **_person);
+
 #endif