support for all save types (system, bcat, cache, device).

sphaira/include/app.hpp

@@ -195,7 +195,7 @@ public:
     static auto GetAccountList() -> std::vector<AccountProfileBase> {
         std::vector<AccountProfileBase> out;
 
-        AccountUid uids[8];
+        AccountUid uids[ACC_USER_LIST_SIZE];
         s32 account_count;
         if (R_SUCCEEDED(accountListAllUsers(uids, std::size(uids), &account_count))) {
             for (s32 i = 0; i < account_count; i++) {

sphaira/include/fs.hpp

@@ -551,11 +551,15 @@ struct FsNativeGameCard final : FsNative {
 };
 
 struct FsNativeSave final : FsNative {
-    FsNativeSave(FsSaveDataSpaceId save_data_space_id, const FsSaveDataAttribute *attr, bool read_only) {
-        if (read_only) {
-            m_open_result = fsOpenReadOnlySaveDataFileSystem(&m_fs, save_data_space_id, attr);
+    FsNativeSave(FsSaveDataType data_type, FsSaveDataSpaceId save_data_space_id, const FsSaveDataAttribute *attr, bool read_only) {
+        if (data_type == FsSaveDataType_System || data_type == FsSaveDataType_SystemBcat) {
+            m_open_result = fsOpenSaveDataFileSystemBySystemSaveDataId(&m_fs, FsSaveDataSpaceId_System, attr);
         } else {
-            m_open_result = fsOpenSaveDataFileSystem(&m_fs, save_data_space_id, attr);
+            if (read_only) {
+                m_open_result = fsOpenReadOnlySaveDataFileSystem(&m_fs, save_data_space_id, attr);
+            } else {
+                m_open_result = fsOpenSaveDataFileSystem(&m_fs, save_data_space_id, attr);
+            }
         }
     }
 };

sphaira/include/ui/menus/save_menu.hpp

@@ -4,6 +4,7 @@
 #include "ui/list.hpp"
 #include "fs.hpp"
 #include "option.hpp"
+#include "dumper.hpp"
 #include <memory>
 #include <vector>
 #include <span>
@@ -126,6 +127,10 @@ private:
     void BackupSaves(std::vector<std::reference_wrapper<Entry>>& entries);
     void RestoreSave();
 
+    auto BuildSavePath(const Entry& e, bool is_auto) const -> fs::FsPath;
+    Result RestoreSaveInternal(ProgressBox* pbox, const Entry& e, const fs::FsPath& path) const;
+    Result BackupSaveInternal(ProgressBox* pbox, const dump::DumpLocation& location, const Entry& e, bool compressed, bool is_auto = false) const;
+
 private:
     static constexpr inline const char* INI_SECTION = "saves";
 
@@ -138,6 +143,7 @@ private:
 
     std::vector<AccountProfileBase> m_accounts{};
     s64 m_account_index{};
+    u8 m_data_type{FsSaveDataType_Account};
 
     ThreadData m_thread_data{};
     Thread m_thread{};