Momentum-Apps/scenes/nfc_playlist_scene_view_playlist_content.c

#include "../nfc_playlist.h"

void nfc_playlist_view_playlist_content_scene_on_enter(void* context) {
   NfcPlaylist* nfc_playlist = context;

   Storage* storage = furi_record_open(RECORD_STORAGE);
   File* file = storage_file_alloc(storage);
   
   if (storage_file_open(file, furi_string_get_cstr(nfc_playlist->settings.file_path), FSAM_READ, FSOM_OPEN_EXISTING)) {
      uint8_t buffer[PLAYLIST_VIEW_MAX_SIZE];
      uint16_t read_count = storage_file_read(file, buffer, PLAYLIST_VIEW_MAX_SIZE);
      FuriString* playlist_content = furi_string_alloc();

      for(uint16_t i = 0; i < read_count; i++) {
         furi_string_push_back(playlist_content, buffer[i]);
      }

      widget_add_text_scroll_element(nfc_playlist->widget, 4, 4, 124, 60, furi_string_get_cstr(playlist_content));
      widget_add_frame_element(nfc_playlist->widget, 0, 0, 128, 64, 0);

      furi_string_free(playlist_content);
      storage_file_close(file);
   } else {
      widget_add_text_box_element(nfc_playlist->widget, 0, 0, 128, 64, AlignCenter, AlignCenter, "\eFailed to open playlist\n\nPress back\e", false);
   }

   storage_file_free(file);
   furi_record_close(RECORD_STORAGE);

   view_dispatcher_switch_to_view(nfc_playlist->view_dispatcher, NfcPlaylistView_Widget);
}

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

void nfc_playlist_view_playlist_content_scene_on_exit(void* context) {
   NfcPlaylist* nfc_playlist = context;
   widget_reset(nfc_playlist->widget);
}