Support disabling automatic database updates

5 files changed, 43 insertions, 10 deletions

diff --git a/src/drivers/include/nvs.hpp b/src/drivers/include/nvs.hpp
index f288f8e2..25396622 100644
--- a/src/drivers/include/nvs.hpp
+++ b/src/drivers/include/nvs.hpp
@@ -114,6 +114,9 @@ class NvsStorage {
   auto PrimaryInput() -> InputModes;
   auto PrimaryInput(InputModes) -> void;
 
+  auto DbAutoIndex() -> bool;
+  auto DbAutoIndex(bool) -> void;
+
   explicit NvsStorage(nvs_handle_t);
   ~NvsStorage();
 
@@ -136,6 +139,7 @@ class NvsStorage {
   Setting<uint8_t> input_mode_;
   Setting<uint8_t> output_mode_;
   Setting<bluetooth::MacAndName> bt_preferred_;
+  Setting<uint8_t> db_auto_index_;
 
   util::LruCache<10, bluetooth::mac_addr_t, uint8_t> bt_volumes_;
   bool bt_volumes_dirty_;
diff --git a/src/drivers/nvs.cpp b/src/drivers/nvs.cpp
index 28cb542c..33d92a9f 100644
--- a/src/drivers/nvs.cpp
+++ b/src/drivers/nvs.cpp
@@ -39,6 +39,7 @@ static constexpr char kKeyScrollSensitivity[] = "scroll";
 static constexpr char kKeyLockPolarity[] = "lockpol";
 static constexpr char kKeyDisplayCols[] = "dispcols";
 static constexpr char kKeyDisplayRows[] = "disprows";
+static constexpr char kKeyDbAutoIndex[] = "dbautoindex";
 
 static auto nvs_get_string(nvs_handle_t nvs, const char* key)
     -> std::optional<std::string> {
@@ -173,6 +174,7 @@ NvsStorage::NvsStorage(nvs_handle_t handle)
       input_mode_(kKeyPrimaryInput),
       output_mode_(kKeyOutput),
       bt_preferred_(kKeyBluetoothPreferred),
+      db_auto_index_(kKeyDbAutoIndex),
       bt_volumes_(),
       bt_volumes_dirty_(false) {}
 
@@ -194,6 +196,7 @@ auto NvsStorage::Read() -> void {
   input_mode_.read(handle_);
   output_mode_.read(handle_);
   bt_preferred_.read(handle_);
+  db_auto_index_.read(handle_);
   readBtVolumes();
 }
 
@@ -210,6 +213,7 @@ auto NvsStorage::Write() -> bool {
   input_mode_.write(handle_);
   output_mode_.write(handle_);
   bt_preferred_.write(handle_);
+  db_auto_index_.write(handle_);
   writeBtVolumes();
   return nvs_commit(handle_) == ESP_OK;
 }
@@ -370,6 +374,16 @@ auto NvsStorage::PrimaryInput(InputModes mode) -> void {
   input_mode_.set(static_cast<uint8_t>(mode));
 }
 
+auto NvsStorage::DbAutoIndex() -> bool {
+  std::lock_guard<std::mutex> lock{mutex_};
+  return db_auto_index_.get().value_or(true);
+}
+
+auto NvsStorage::DbAutoIndex(bool en) -> void {
+  std::lock_guard<std::mutex> lock{mutex_};
+  db_auto_index_.set(static_cast<uint8_t>(en));
+}
+
 class VolumesParseClient : public cppbor::ParseClient {
  public:
   VolumesParseClient(util::LruCache<10, bluetooth::mac_addr_t, uint8_t>& out)
diff --git a/src/system_fsm/running.cpp b/src/system_fsm/running.cpp
index a6ab5d47..8625ac66 100644
--- a/src/system_fsm/running.cpp
+++ b/src/system_fsm/running.cpp
@@ -166,13 +166,15 @@ auto Running::mountStorage() -> bool {
 
   // Tell the database to refresh so that we pick up any changes from the newly
   // mounted card.
-  sServices->bg_worker().Dispatch<void>([&]() {
-    auto db = sServices->database().lock();
-    if (!db) {
-      return;
-    }
-    db->updateIndexes();
-  });
+  if (sServices->nvs().DbAutoIndex()) {
+    sServices->bg_worker().Dispatch<void>([&]() {
+      auto db = sServices->database().lock();
+      if (!db) {
+        return;
+      }
+      db->updateIndexes();
+    });
+  }
 
   return true;
 }
diff --git a/src/ui/include/ui_fsm.hpp b/src/ui/include/ui_fsm.hpp
index 5e1cc487..9f9aa9b9 100644
--- a/src/ui/include/ui_fsm.hpp
+++ b/src/ui/include/ui_fsm.hpp
@@ -130,6 +130,7 @@ class UiState : public tinyfsm::Fsm<UiState> {
   static lua::Property sLockSwitch;
 
   static lua::Property sDatabaseUpdating;
+  static lua::Property sDatabaseAutoUpdate;
 
   static lua::Property sUsbMassStorageEnabled;
 };
diff --git a/src/ui/ui_fsm.cpp b/src/ui/ui_fsm.cpp
index 835da19e..bb1503b2 100644
--- a/src/ui/ui_fsm.cpp
+++ b/src/ui/ui_fsm.cpp
@@ -282,6 +282,14 @@ lua::Property UiState::sScrollSensitivity{
 lua::Property UiState::sLockSwitch{false};
 
 lua::Property UiState::sDatabaseUpdating{false};
+lua::Property UiState::sDatabaseAutoUpdate{
+    false, [](const lua::LuaValue& val) {
+      if (!std::holds_alternative<bool>(val)) {
+        return false;
+      }
+      sServices->nvs().DbAutoIndex(std::get<bool>(val));
+      return true;
+    }};
 
 lua::Property UiState::sUsbMassStorageEnabled{
     false, [](const lua::LuaValue& val) {
@@ -557,14 +565,18 @@ void Lua::entry() {
         "time", {
                     {"ticks", [&](lua_State* s) { return Ticks(s); }},
                 });
-    registry.AddPropertyModule("database", {
-                                               {"updating", &sDatabaseUpdating},
-                                           });
+    registry.AddPropertyModule("database",
+                               {
+                                   {"updating", &sDatabaseUpdating},
+                                   {"auto_update", &sDatabaseAutoUpdate},
+                               });
     registry.AddPropertyModule("usb",
                                {
                                    {"msc_enabled", &sUsbMassStorageEnabled},
                                });
 
+    sDatabaseAutoUpdate.Update(sServices->nvs().DbAutoIndex());
+
     auto bt = sServices->bluetooth();
     sBluetoothEnabled.Update(bt.IsEnabled());
     sBluetoothConnected.Update(bt.IsConnected());