Momentum-Apps/scenes/nfc_playlist_scene_playlist_select.c

#include "../nfc_playlist.h"

void nfc_playlist_playlist_select_menu_callback(void* context) {
   NfcPlaylist* nfc_playlist = context;
   furi_string_swap(nfc_playlist->settings.playlist_path, nfc_playlist->file_browser_output);
   furi_string_reset(nfc_playlist->file_browser_output);

   Storage* storage = furi_record_open(RECORD_STORAGE);
   Stream* stream = file_stream_alloc(storage);

   if (file_stream_open(stream, furi_string_get_cstr(nfc_playlist->settings.playlist_path), FSAM_READ, FSOM_OPEN_EXISTING)) {
      nfc_playlist->settings.playlist_length = 0;
      FuriString* line = furi_string_alloc();
      while(stream_read_line(stream, line)) {
         nfc_playlist->settings.playlist_length++;
      }
      furi_string_free(line);
      file_stream_close(stream);
   }

   stream_free(stream);
   furi_record_close(RECORD_STORAGE);

   scene_manager_previous_scene(nfc_playlist->scene_manager);
}

void nfc_playlist_playlist_select_scene_on_enter(void* context) {
   NfcPlaylist* nfc_playlist = context;
   file_browser_configure(
      nfc_playlist->file_browser,
      ".txt",
      PLAYLIST_LOCATION,
      true,
      true,
      &I_Playlist_10px,
      true);
   file_browser_set_callback(nfc_playlist->file_browser, nfc_playlist_playlist_select_menu_callback, nfc_playlist);
   FuriString* tmp_str = furi_string_alloc_set_str(PLAYLIST_LOCATION);
   file_browser_start(nfc_playlist->file_browser, tmp_str);
   furi_string_free(tmp_str);

   view_dispatcher_switch_to_view(nfc_playlist->view_dispatcher, NfcPlaylistView_FileBrowser);
}

bool nfc_playlist_playlist_select_scene_on_event(void* context, SceneManagerEvent event) {
   UNUSED(event);
   UNUSED(context);
   return false;
}

void nfc_playlist_playlist_select_scene_on_exit(void* context) {
   NfcPlaylist* nfc_playlist = context;
   file_browser_stop(nfc_playlist->file_browser);
}