Refactor database handling: remove db_handler module, implement file_handler for CSV operations, and update TUI to integrate new export functionality.

src/file_handler.c

@@ -1,4 +1,4 @@
-#include "db_handler.h"
+#include "file_handler.h"
 
 int loadListFromCSV(char *_filename, list_t *_list)
 {
@@ -51,7 +51,7 @@ int saveListToCSV(char *_filename, list_t *_list)
     {
         if (cursor->user.uuid != 0)
         {
-            fprintf(f_out, "%hu,%s,%s,%u,%ld,%ld,%hhu", cursor->user.uuid, cursor->user.name, cursor->user.surname, cursor->user.department, cursor->user.last_time_event, cursor->user.total, cursor->user.available);
+            fprintf(f_out, "%hu,%s,%s,%u,%ld,%ld,%hhu\n", cursor->user.uuid, cursor->user.name, cursor->user.surname, cursor->user.department, cursor->user.last_time_event, cursor->user.total, cursor->user.available);
         }
         cursor = cursor->next;
     }

src/main.c

@@ -2,7 +2,7 @@
 #include "users.h"
 #include "tui.h"
 #include "rfid_handler.h"
-#include "db_handler.h"
+#include "file_handler.h"
 
 void handle_sigint(int sig)
 {

src/tui.c

@@ -3,8 +3,9 @@
 #include <string.h>
 #include <stdlib.h>
 #include <ctype.h>
+
 #include "main.h"
-#include "db_handler.h"
+#include "file_handler.h"
 #include "tui.h"
 
 void uartDialog(char *uart_adress, int terminal_x, int terminal_y)
@@ -183,6 +184,10 @@ void mainMenu(list_t *person_list, int terminal_x, int terminal_y)
                 personSearch(person_list, terminal_x, terminal_y);
                 break;
 
+            case 4:
+                exportDialog(person_list, terminal_x, terminal_y);
+                break;
+
             case 5:
                 if (keyboard_input == '\n')
                 {
@@ -562,6 +567,111 @@ void personInfo(node_t *_person, int terminal_x, int terminal_y)
     }
 }
 
-void exportDialog(list_t _list, int terminal_x, int terminal_y){
-    
+void exportDialog(list_t *_list, int terminal_x, int terminal_y)
+{
+    int win_height = 8;
+    int win_width = 80;
+    int start_y = (terminal_y - win_height) / 2;
+    int start_x = (terminal_x - win_width) / 2;
+
+    WINDOW *exportdialog = newwin(win_height, win_width, start_y, start_x);
+
+    wbkgd(exportdialog, COLOR_PAIR(6));
+
+    int max_rows = win_height - 2;
+    int total_count = 0;
+    box(exportdialog, 0, 0);
+
+    wattron(exportdialog, COLOR_PAIR(1));
+    wattron(exportdialog, A_BOLD);
+    mvwprintw(exportdialog, 0, (win_width - strlen("Copy database and save")) / 2, "%s", "Copy database and save");
+    wattroff(exportdialog, A_BOLD);
+    wattroff(exportdialog, COLOR_PAIR(1));
+    keypad(exportdialog, TRUE);
+
+    wattron(exportdialog, COLOR_PAIR(1));
+    mvwprintw(exportdialog, 2, (win_width - strlen("Enter name of exported database")) / 2, "%s", "Enter name of exported database");
+    wattroff(exportdialog, COLOR_PAIR(1));
+    wrefresh(exportdialog);
+
+    char choice;
+    int highlight = 0;
+
+    int text_x = (win_width - 52) / 2;
+    int button_x = (win_width - 7) / 2;
+
+    char filename[51];
+
+    keypad(exportdialog, true);
+    while (1)
+    {
+        // Input array
+        if (highlight == 0)
+            wattron(exportdialog, COLOR_PAIR(2));
+        else
+            wattron(exportdialog, COLOR_PAIR(1));
+
+        mvwprintw(exportdialog, 4, text_x, "[%50s]", filename);
+        if (!strcmp(filename, "\0"))
+            mvwprintw(exportdialog, 4, text_x, "[__________________________________________________]");
+
+        if (highlight == 0)
+            wattroff(exportdialog, COLOR_PAIR(2));
+        else
+            wattroff(exportdialog, COLOR_PAIR(1));
+
+        // Enter button
+        if (highlight == 1)
+            wattron(exportdialog, COLOR_PAIR(2));
+        else
+            wattron(exportdialog, COLOR_PAIR(1));
+        wattron(exportdialog, A_BOLD);
+
+        mvwprintw(exportdialog, 6, button_x - 2, "  %s  ", "<Enter>");
+        if (highlight == 1)
+            wattroff(exportdialog, COLOR_PAIR(2));
+        else
+            wattroff(exportdialog, COLOR_PAIR(1));
+        wattroff(exportdialog, A_BOLD);
+
+        wrefresh(exportdialog);
+
+        flushinp();
+        choice = wgetch(exportdialog);
+
+        if (choice == '\t')
+        {
+            highlight = !highlight;
+        }
+
+        else if (choice == '\n')
+        {
+            if (highlight == 0)
+            {
+                mvwprintw(exportdialog, 4, (win_width - 52) / 2, "[__________________________________________________]");
+                echo();
+                wmove(exportdialog, 4, ((win_width - 52) / 2) + 1);
+                curs_set(1);
+                flushinp();
+                wgetnstr(exportdialog, filename, 50);
+                curs_set(0);
+                noecho();
+            }
+            else if (highlight == 1)
+            {
+
+                if (choice == '\n')
+                {
+                    saveListToCSV(filename, _list);
+                    wclear(exportdialog);
+                    wrefresh(exportdialog);
+                    touchwin(stdscr);
+                    refresh();
+                    delwin(exportdialog);
+                    refresh();
+                    return;
+                }
+            }
+        }
+    }
 }