oh right

src/config/config.cpp

@@ -10,10 +10,10 @@
 #include <toml++/impl/table.hpp>     // toml::table
 #include <unistd.h>                  // getuid
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/helpers.hpp"
+#include "src/util/helpers.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/logging.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 namespace fs = std::filesystem;
 

src/config/config.hpp

@@ -12,13 +12,13 @@
   #include <pwd.h>    // getpwuid, passwd
   #include <unistd.h> // getuid
 
-  #include "src/core/util/helpers.hpp"
+  #include "src/util/helpers.hpp"
 #endif
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/logging.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 #include "weather.hpp"
 

src/config/weather.cpp

@@ -15,14 +15,14 @@
 #include <glaze/json/read.hpp> // NOLINT(misc-include-cleaner) - glaze/json/read.hpp is needed for glz::read<glz::opts>
 #include <ios>                 // std::ios::{binary, trunc}
 #include <iterator>            // std::istreambuf_iterator
-#include <system_error>        // std::error_code
 #include <utility>             // std::move
 #include <variant>             // std::{get, holds_alternative}
 
-#include "src/core/util/defs.hpp"
+#include "src/util/cache.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/logging.hpp"
+#include "src/util/types.hpp"
 
 #include "config.hpp"
 
@@ -35,109 +35,10 @@ namespace {
   using util::error::DracError, util::error::DracErrorCode;
   using util::types::usize, util::types::Err, util::types::Exception;
   using weather::Coords;
+  using namespace util::cache;
 
   constexpr opts glaze_opts = { .error_on_unknown_keys = false };
 
-  fn GetCachePath() -> Result<fs::path, String> {
-    std::error_code errc;
-    fs::path        cachePath = fs::temp_directory_path(errc);
-
-    if (errc)
-      return Err("Failed to get temp directory: " + errc.message());
-
-    cachePath /= "weather_cache.beve";
-    return cachePath;
-  }
-
-  fn ReadCacheFromFile() -> Result<Output, String> {
-    Result<fs::path, String> cachePath = GetCachePath();
-
-    if (!cachePath)
-      return Err(cachePath.error());
-
-    std::ifstream ifs(*cachePath, std::ios::binary);
-
-    if (!ifs.is_open())
-      return Err("Cache file not found: " + cachePath->string());
-
-    debug_log("Reading from cache file...");
-
-    try {
-      const String content((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
-      ifs.close();
-
-      if (content.empty())
-        return Err(std::format("BEVE cache file is empty: {}", cachePath->string()));
-
-      Output result;
-
-      if (const error_ctx glazeErr = read_beve(result, content); glazeErr.ec != error_code::none)
-        return Err(std::format(
-          "BEVE parse error reading cache (code {}): {}", static_cast<int>(glazeErr.ec), cachePath->string()
-        ));
-
-      debug_log("Successfully read from cache file.");
-      return result;
-    } catch (const Exception& e) { return Err(std::format("Error reading cache: {}", e.what())); }
-  }
-
-  fn WriteCacheToFile(const Output& data) -> Result<void, String> {
-    using util::types::isize;
-
-    Result<fs::path, String> cachePath = GetCachePath();
-
-    if (!cachePath)
-      return Err(cachePath.error());
-
-    debug_log("Writing to cache file...");
-    fs::path tempPath = *cachePath;
-    tempPath += ".tmp";
-
-    try {
-      String binaryBuffer;
-
-      if (const error_ctx glazeErr = write_beve(data, binaryBuffer); glazeErr)
-        return Err(std::format("BEVE serialization error writing cache (code {})", static_cast<int>(glazeErr.ec)));
-
-      {
-        std::ofstream ofs(tempPath, std::ios::binary | std::ios::trunc);
-        if (!ofs.is_open())
-          return Err("Failed to open temp file: " + tempPath.string());
-
-        ofs.write(binaryBuffer.data(), static_cast<isize>(binaryBuffer.size()));
-        if (!ofs) {
-          std::error_code removeEc;
-          fs::remove(tempPath, removeEc);
-          return Err("Failed to write to temp BEVE cache file");
-        }
-      }
-
-      std::error_code errc;
-      fs::rename(tempPath, *cachePath, errc);
-      if (errc) {
-        if (!fs::remove(tempPath, errc))
-          debug_log("Failed to remove temp file: {}", errc.message());
-
-        return Err(std::format("Failed to replace cache file: {}", errc.message()));
-      }
-
-      debug_log("Successfully wrote to cache file.");
-      return {};
-    } catch (const std::ios_base::failure& e) {
-      std::error_code removeEc;
-      fs::remove(tempPath, removeEc);
-      return Err(std::format("Filesystem error writing BEVE cache file {}: {}", tempPath.string(), e.what()));
-    } catch (const Exception& e) {
-      std::error_code removeEc;
-      fs::remove(tempPath, removeEc);
-      return Err(std::format("File operation error during BEVE cache write: {}", e.what()));
-    } catch (...) {
-      std::error_code removeEc;
-      fs::remove(tempPath, removeEc);
-      return Err(std::format("Unknown error writing BEVE cache file: {}", tempPath.string()));
-    }
-  }
-
   fn WriteCallback(void* contents, const usize size, const usize nmemb, String* str) -> usize {
     const usize totalSize = size * nmemb;
     str->append(static_cast<char*>(contents), totalSize);
@@ -177,7 +78,7 @@ fn Weather::getWeatherInfo() const -> Result<Output, DracError> {
   using namespace std::chrono;
   using util::types::i32;
 
-  if (Result<Output, String> data = ReadCacheFromFile()) {
+  if (Result<Output, DracError> data = ReadCache<Output>("weather")) {
     const Output& dataVal = *data;
 
     if (const duration<double> cacheAge = system_clock::now() - system_clock::time_point(seconds(dataVal.dt));
@@ -188,15 +89,15 @@ fn Weather::getWeatherInfo() const -> Result<Output, DracError> {
 
     debug_log("Cache expired");
   } else {
-    debug_log("Cache error: {}", data.error());
+    error_at(data.error());
   }
 
   fn handleApiResult = [](const Result<Output, String>& result) -> Result<Output, DracError> {
     if (!result)
       return Err(DracError(DracErrorCode::ApiUnavailable, result.error()));
 
-    if (Result<void, String> writeResult = WriteCacheToFile(*result); !writeResult)
+    if (Result<void, DracError> writeResult = WriteCache("weather", *result); !writeResult)
-      error_log("Failed to write cache: {}", writeResult.error());
+      error_at(writeResult.error());
 
     return *result;
   };

src/config/weather.hpp

@@ -3,7 +3,7 @@
 #include <glaze/core/common.hpp> // object
 #include <glaze/core/meta.hpp>   // Object
 
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 namespace weather {
   using glz::detail::Object, glz::object;

src/core/package.hpp

@@ -0,0 +1,91 @@
+#pragma once
+
+#include <filesystem>            // std::filesystem::path
+#include <future>                // std::future
+#include <glaze/core/common.hpp> // glz::object
+#include <glaze/core/meta.hpp>   // glz::detail::Object
+#include <vector>                // std::vector
+
+#include "src/util/defs.hpp"
+#include "src/util/error.hpp"
+#include "src/util/types.hpp"
+
+namespace packages {
+
+  namespace fs = std::filesystem;
+  using util::error::DracError;
+  using util::types::Result, util::types::u64, util::types::i64, util::types::String, util::types::Vec,
+    util::types::Future;
+
+  /**
+   * @struct PkgCountCacheData
+   * @brief Structure for caching package count results along with a timestamp.
+   *
+   * Used to avoid redundant lookups in package manager databases or directories
+   * if the underlying data source hasn't changed recently.
+   */
+  struct PkgCountCacheData {
+    u64 count {};                 ///< The cached package count.
+    i64 timestampEpochSeconds {}; ///< The UNIX timestamp (seconds since epoch) when the count was cached.
+
+    // NOLINTBEGIN(readability-identifier-naming)
+    struct [[maybe_unused]] glaze {
+      using T = PkgCountCacheData;
+      static constexpr glz::detail::Object value =
+        glz::object("count", &T::count, "timestamp", &T::timestampEpochSeconds);
+    };
+    // NOLINTEND(readability-identifier-naming)
+  };
+
+  /**
+   * @struct PackageManagerInfo
+   * @brief Holds information needed to query a database-backed package manager.
+   */
+  struct PackageManagerInfo {
+    String   id;         ///< Unique identifier for the package manager (used for cache key).
+    fs::path dbPath;     ///< Filesystem path to the package manager's database.
+    String   countQuery; ///< SQL query string to count the packages.
+  };
+
+  /**
+   * @brief Gets the total package count by querying all relevant package managers for the current OS.
+   * @details This function orchestrates the process:
+   * 1. Determines the set of relevant package managers (platform-specific + shared).
+   * 2. Launches asynchronous tasks to query each manager.
+   * 3. Aggregates the results, summing counts and logging errors.
+   * @return Result containing the total package count (u64) on success,
+   * or a DracError if the aggregation fails (though individual manager errors are logged).
+   */
+  fn GetTotalCount() -> Result<u64, DracError>;
+
+  fn GetCountFromDb(const PackageManagerInfo& pmInfo) -> Result<u64, DracError>;
+
+  fn GetCountFromDirectory(
+    const String&   pmId,
+    const fs::path& dirPath,
+    const String&   fileExtensionFilter = "",
+    bool            subtractOne         = false
+  ) -> Result<u64, DracError>;
+
+#ifdef __linux__
+  fn GetDpkgCount() -> Result<u64, DracError>;
+  fn GetPacmanCount() -> Result<u64, DracError>;
+  fn GetMossCount() -> Result<u64, DracError>;
+  fn GetRpmCount() -> Result<u64, DracError>;
+  fn GetZypperCount() -> Result<u64, DracError>;
+  fn GetPortageCount() -> Result<u64, DracError>;
+  fn GetApkCount() -> Result<u64, DracError>;
+#elif defined(__APPLE__)
+  fn GetHomebrewCount() -> Result<u64, DracError>;
+  fn GetMacPortsCount() -> Result<u64, DracError>;
+#elif defined(_WIN32)
+  fn GetWinRTCount() -> Result<u64, DracError>;
+  fn GetChocolateyCount() -> Result<u64, DracError>;
+  fn GetScoopCount() -> Result<u64, DracError>;
+#endif
+
+#ifndef _WIN32
+  fn GetNixCount() -> Result<u64, DracError>;
+#endif
+  fn GetCargoCount() -> Result<u64, DracError>;
+} // namespace packages

src/core/system_data.cpp

@@ -7,10 +7,10 @@
 
 #include "src/config/config.hpp"
 #include "src/config/weather.hpp"
-#include "src/core/util/defs.hpp"
-#include "src/core/util/error.hpp"
-#include "src/core/util/types.hpp"
 #include "src/os/os.hpp"
+#include "src/util/defs.hpp"
+#include "src/util/error.hpp"
+#include "src/util/types.hpp"
 
 using util::error::DracError, util::error::DracErrorCode;
 

src/core/system_data.hpp

@@ -4,9 +4,8 @@
 
 #include "src/config/config.hpp"  // Config
 #include "src/config/weather.hpp" // weather::Output
-
+#include "src/util/defs.hpp"
-#include "util/defs.hpp"
+#include "src/util/types.hpp"
-#include "util/types.hpp"
 
 struct Config;
 

src/main.cpp

@@ -10,9 +10,9 @@
 #include "src/config/config.hpp"
 #include "src/config/weather.hpp"
 #include "src/core/system_data.hpp"
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/logging.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 namespace ui {
   using ftxui::Color;

src/os/linux.cpp

@@ -18,11 +18,11 @@
 #include <unistd.h>             // readlink
 #include <utility>              // std::move
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/helpers.hpp"
+#include "src/util/helpers.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/logging.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 #include "src/wrappers/dbus.hpp"
 #include "src/wrappers/wayland.hpp"
 #include "src/wrappers/xcb.hpp"

src/os/linux/pkg_count.cpp

@@ -15,13 +15,13 @@
 #include <iterator>               // std::istreambuf_iterator
 #include <glaze/beve/read.hpp>    // glz::read_beve
 #include <glaze/beve/write.hpp>   // glz::write_beve
-#include <glaze/core/context.hpp> // glz::{context, error_code, error_ctx}
 #include <system_error>           // std::error_code
 
-#include "src/core/util/defs.hpp"
+#include "src/util/cache.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/logging.hpp"
+#include "src/util/types.hpp"
 // clang-format on
 
 using util::error::DracError, util::error::DracErrorCode;
@@ -31,6 +31,7 @@ using util::types::u64, util::types::i64, util::types::Result, util::types::Err,
 namespace {
   namespace fs = std::filesystem;
   using namespace std::chrono;
+  using namespace util::cache;
   using os::linux::PkgCountCacheData, os::linux::PackageManagerInfo;
 
   fn GetPackageCountInternalDir(
@@ -111,6 +112,68 @@ namespace {
 
     return count;
   }
+
+  fn GetPackageCountInternalDb(const PackageManagerInfo& pmInfo) -> Result<u64, DracError> {
+    const auto& [pmId, dbPath, countQuery] = pmInfo;
+
+    if (Result<PkgCountCacheData, DracError> cachedDataResult = ReadCache<PkgCountCacheData>(pmId)) {
+      const auto& [count, timestamp] = *cachedDataResult;
+      std::error_code                       errc;
+      const std::filesystem::file_time_type dbModTime = fs::last_write_time(dbPath, errc);
+
+      if (errc) {
+        warn_log(
+          "Could not get modification time for '{}': {}. Invalidating {} cache.", dbPath.string(), errc.message(), pmId
+        );
+      } else {
+        if (const system_clock::time_point cacheTimePoint = system_clock::time_point(seconds(timestamp));
+            cacheTimePoint.time_since_epoch() >= dbModTime.time_since_epoch()) {
+          debug_log(
+            "Using valid {} package count cache (DB file unchanged since {}).",
+            pmId,
+            std::format("{:%F %T %Z}", floor<seconds>(cacheTimePoint))
+          );
+          return count;
+        }
+        debug_log("{} package count cache stale (DB file modified).", pmId);
+      }
+    } else {
+      if (cachedDataResult.error().code != DracErrorCode::NotFound)
+        debug_at(cachedDataResult.error());
+      debug_log("{} package count cache not found or unreadable.", pmId);
+    }
+
+    debug_log("Fetching fresh {} package count from database: {}", pmId, dbPath.string());
+    u64 count = 0;
+
+    try {
+      const SQLite::Database database(dbPath.string(), SQLite::OPEN_READONLY);
+      if (SQLite::Statement query(database, countQuery); query.executeStep()) {
+        const i64 countInt64 = query.getColumn(0).getInt64();
+        if (countInt64 < 0)
+          return Err(
+            DracError(DracErrorCode::ParseError, std::format("Negative count returned by {} DB COUNT query.", pmId))
+          );
+        count = static_cast<u64>(countInt64);
+      } else {
+        return Err(DracError(DracErrorCode::ParseError, std::format("No rows returned by {} DB COUNT query.", pmId)));
+      }
+    } catch (const SQLite::Exception& e) {
+      return Err(DracError(
+        DracErrorCode::ApiUnavailable, std::format("SQLite error occurred accessing {} DB: {}", pmId, e.what())
+      ));
+    } catch (const Exception& e) { return Err(DracError(DracErrorCode::InternalError, e.what())); } catch (...) {
+      return Err(DracError(DracErrorCode::Other, std::format("Unknown error occurred accessing {} DB", pmId)));
+    }
+
+    const i64               nowEpochSeconds = duration_cast<seconds>(system_clock::now().time_since_epoch()).count();
+    const PkgCountCacheData dataToCache     = { .count = count, .timestampEpochSeconds = nowEpochSeconds };
+
+    if (Result<void, DracError> writeResult = WriteCache(pmId, dataToCache); !writeResult)
+      error_at(writeResult.error());
+
+    return count;
+  }
 } // namespace
 
 namespace os::linux {
@@ -159,10 +222,9 @@ namespace os::linux {
   fn GetTotalPackageCount() -> Result<u64, DracError> {
     using util::types::Array, util::types::Future;
 
-    Array<Future<Result<u64, DracError>>, 4> futures = {
+    Array<Future<Result<u64, DracError>>, 3> futures = {
       std::async(std::launch::async, GetDpkgPackageCount),
       std::async(std::launch::async, GetMossPackageCount),
-      std::async(std::launch::async, GetNixPackageCount),
       std::async(std::launch::async, GetPacmanPackageCount),
     };
 

src/os/linux/pkg_count.hpp

@@ -7,9 +7,9 @@
 #include <glaze/core/common.hpp> // glz::object
 #include <glaze/core/meta.hpp>   // glz::detail::Object
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 // clang-format on
 
 namespace os::linux {

src/os/macos.cpp

@@ -7,9 +7,9 @@
 
 #include "macos/bridge.hpp"
 #include "os.hpp"
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 // clang-format on
 
 using namespace util::types;

src/os/macos/bridge.hpp

@@ -3,9 +3,9 @@
 #ifdef __APPLE__
 
 // clang-format off
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 // clang-format on
 using util::error::DracError;
 using util::types::MediaInfo, util::types::String, util::types::Result;

src/os/macos/bridge.mm

@@ -11,7 +11,7 @@
 #include <string>
 #include <utility>
 
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
 // clang-format on
 
 using util::error::DracErrorCode;

src/os/os.hpp

@@ -1,8 +1,8 @@
 #pragma once
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 /**
  * @namespace os

src/os/shared.cpp

@@ -8,17 +8,17 @@
 #include <glaze/beve/read.hpp>   // glz::read_beve
 #include <glaze/beve/write.hpp>  // glz::write_beve
 #include <glaze/core/common.hpp> // glz::object
-#include <glaze/core/context.hpp> // glz::{context, error_code, error_ctx}
 #include <glaze/core/meta.hpp>   // glz::detail::Object
 #include <ios>                   // std::ios::{binary, trunc}, std::ios_base
 #include <iterator>              // std::istreambuf_iterator
 #include <system_error>          // std::error_code
 
-#include "src/core/util/defs.hpp"
+#include "src/util/cache.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/helpers.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/helpers.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/logging.hpp"
+#include "src/util/types.hpp"
 
 #include "os.hpp"
 
@@ -30,6 +30,7 @@ namespace fs = std::filesystem;
 
 namespace {
   using namespace std::chrono;
+  using namespace util::cache;
 
   struct PackageManagerInfo {
     String   id;
@@ -51,136 +52,10 @@ namespace {
     // NOLINTEND(readability-identifier-naming)
   };
 
-  constexpr StringView ALLOWED_PMID_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-";
-
-  fn GetPkgCountCachePath(const String& pmId) -> Result<fs::path, DracError> {
-    std::error_code errc;
-    const fs::path  cacheDir = fs::temp_directory_path(errc);
-
-    if (errc)
-      return Err(DracError(DracErrorCode::IoError, "Failed to get temp directory: " + errc.message()));
-
-    if (pmId.empty() || pmId.find_first_not_of(ALLOWED_PMID_CHARS) != String::npos)
-      return Err(DracError(DracErrorCode::ParseError, "Invalid package manager ID for cache path: " + pmId));
-
-    return cacheDir / (pmId + "_pkg_count_cache.beve");
-  }
-
-  fn ReadPkgCountCache(const String& pmId) -> Result<PkgCountCacheData, DracError> {
-    Result<fs::path, DracError> cachePathResult = GetPkgCountCachePath(pmId);
-
-    if (!cachePathResult)
-      return Err(cachePathResult.error());
-
-    const fs::path& cachePath = *cachePathResult;
-
-    if (!fs::exists(cachePath))
-      return Err(DracError(DracErrorCode::NotFound, "Cache file not found: " + cachePath.string()));
-
-    std::ifstream ifs(cachePath, std::ios::binary);
-    if (!ifs.is_open())
-      return Err(DracError(DracErrorCode::IoError, "Failed to open cache file for reading: " + cachePath.string()));
-
-    try {
-      const String content((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
-      ifs.close();
-
-      if (content.empty())
-        return Err(DracError(DracErrorCode::ParseError, "BEVE cache file is empty: " + cachePath.string()));
-
-      PkgCountCacheData  result;
-      const glz::context ctx {};
-
-      if (glz::error_ctx glazeResult = glz::read_beve(result, content); glazeResult.ec != glz::error_code::none)
-        return Err(DracError(
-          DracErrorCode::ParseError,
-          std::format(
-            "BEVE parse error reading cache (code {}): {}", static_cast<int>(glazeResult.ec), cachePath.string()
-          )
-        ));
-
-      return result;
-    } catch (const std::ios_base::failure& e) {
-      return Err(DracError(
-        DracErrorCode::IoError, std::format("Filesystem error reading cache file {}: {}", cachePath.string(), e.what())
-      ));
-    } catch (const Exception& e) {
-      return Err(DracError(DracErrorCode::InternalError, std::format("Error reading package count cache: {}", e.what()))
-      );
-    }
-  }
-
-  fn WritePkgCountCache(const String& pmId, const PkgCountCacheData& data) -> Result<void, DracError> {
-    using util::types::isize;
-
-    Result<fs::path, DracError> cachePathResult = GetPkgCountCachePath(pmId);
-
-    if (!cachePathResult)
-      return Err(cachePathResult.error());
-
-    const fs::path& cachePath = *cachePathResult;
-    fs::path        tempPath  = cachePath;
-    tempPath += ".tmp";
-
-    try {
-      String binaryBuffer;
-
-      PkgCountCacheData mutableData = data;
-
-      if (glz::error_ctx glazeErr = glz::write_beve(mutableData, binaryBuffer); glazeErr)
-        return Err(DracError(
-          DracErrorCode::ParseError,
-          std::format("BEVE serialization error writing cache (code {})", static_cast<int>(glazeErr.ec))
-        ));
-
-      {
-        std::ofstream ofs(tempPath, std::ios::binary | std::ios::trunc);
-        if (!ofs.is_open())
-          return Err(DracError(DracErrorCode::IoError, "Failed to open temp cache file: " + tempPath.string()));
-
-        ofs.write(binaryBuffer.data(), static_cast<isize>(binaryBuffer.size()));
-
-        if (!ofs) {
-          std::error_code removeEc;
-          fs::remove(tempPath, removeEc);
-          return Err(DracError(DracErrorCode::IoError, "Failed to write to temp cache file: " + tempPath.string()));
-        }
-      }
-
-      std::error_code errc;
-      fs::rename(tempPath, cachePath, errc);
-      if (errc) {
-        fs::remove(tempPath, errc);
-        return Err(DracError(
-          DracErrorCode::IoError,
-          std::format("Failed to replace cache file '{}': {}", cachePath.string(), errc.message())
-        ));
-      }
-
-      return {};
-    } catch (const std::ios_base::failure& e) {
-      std::error_code removeEc;
-      fs::remove(tempPath, removeEc);
-      return Err(DracError(
-        DracErrorCode::IoError, std::format("Filesystem error writing cache file {}: {}", tempPath.string(), e.what())
-      ));
-    } catch (const Exception& e) {
-      std::error_code removeEc;
-      fs::remove(tempPath, removeEc);
-      return Err(DracError(DracErrorCode::InternalError, std::format("Error writing package count cache: {}", e.what()))
-      );
-    } catch (...) {
-      std::error_code removeEc;
-      fs::remove(tempPath, removeEc);
-      return Err(DracError(DracErrorCode::Other, std::format("Unknown error writing cache file: {}", tempPath.string()))
-      );
-    }
-  }
-
   fn GetPackageCountInternalDb(const PackageManagerInfo& pmInfo) -> Result<u64, DracError> {
     const auto& [pmId, dbPath, countQuery] = pmInfo;
 
-    if (Result<PkgCountCacheData, DracError> cachedDataResult = ReadPkgCountCache(pmId)) {
+    if (Result<PkgCountCacheData, DracError> cachedDataResult = ReadCache<PkgCountCacheData>(pmId)) {
       const auto& [count, timestamp] = *cachedDataResult;
       std::error_code                       errc;
       const std::filesystem::file_time_type dbModTime = fs::last_write_time(dbPath, errc);
@@ -233,12 +108,13 @@ namespace {
     const i64               nowEpochSeconds = duration_cast<seconds>(system_clock::now().time_since_epoch()).count();
     const PkgCountCacheData dataToCache     = { .count = count, .timestampEpochSeconds = nowEpochSeconds };
 
-    if (Result<void, DracError> writeResult = WritePkgCountCache(pmId, dataToCache); !writeResult)
+    if (Result<void, DracError> writeResult = WriteCache(pmId, dataToCache); !writeResult)
       error_at(writeResult.error());
 
     return count;
   }
 
+#ifndef _WIN32
   fn GetNixPackageCount() -> Result<u64, DracError> {
     debug_log("Attempting to get Nix package count.");
 
@@ -259,6 +135,7 @@ namespace {
 
     return GetPackageCountInternalDb(nixInfo);
   }
+#endif
 
   fn GetCargoPackageCount() -> Result<u64, DracError> {
     using util::helpers::GetEnv;
@@ -288,12 +165,15 @@ namespace {
 namespace os::shared {
   fn GetPackageCount() -> Result<u64, DracError> {
     u64 count = 0;
-    if (Result<u64, DracError> pkgCount = GetNixPackageCount())
+
+#ifndef _WIN32
+    if (const Result<u64, DracError> pkgCount = GetNixPackageCount())
       count += *pkgCount;
     else
       debug_at(pkgCount.error());
+#endif
 
-    if (Result<u64, DracError> pkgCount = GetCargoPackageCount())
+    if (const Result<u64, DracError> pkgCount = GetCargoPackageCount())
       count += *pkgCount;
     else
       debug_at(pkgCount.error());

src/os/windows.cpp

@@ -16,10 +16,10 @@
 #include <winrt/base.h>
 #include <winrt/impl/Windows.Media.Control.2.h>
 
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/helpers.hpp"
+#include "src/util/helpers.hpp"
-#include "src/core/util/logging.hpp"
+#include "src/util/logging.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 #include "os.hpp"
 // clang-format on

src/util/cache.hpp

@@ -0,0 +1,216 @@
+#pragma once
+
+#include <filesystem>             // std::filesystem
+#include <fstream>                // std::{ifstream, ofstream}
+#include <glaze/beve/read.hpp>    // glz::read_beve
+#include <glaze/beve/write.hpp>   // glz::write_beve
+#include <glaze/core/context.hpp> // glz::{context, error_code, error_ctx}
+#include <iterator>               // std::istreambuf_iterator
+#include <string>                 // std::string
+#include <system_error>           // std::error_code
+#include <type_traits>            // std::decay_t
+
+#include "src/util/defs.hpp"
+#include "src/util/error.hpp"
+#include "src/util/logging.hpp"
+#include "src/util/types.hpp"
+
+namespace util::cache {
+  namespace fs = std::filesystem;
+  using error::DracError, error::DracErrorCode;
+  using types::Err, types::Exception, types::Result, types::String, types::isize;
+
+  /**
+   * @brief Gets the full path for a cache file based on a unique key.
+   * @param cache_key A unique identifier for the cache (e.g., "weather", "pkg_count_pacman").
+   * Should ideally only contain filesystem-safe characters.
+   * @return Result containing the filesystem path on success, or a DracError on failure.
+   */
+  inline fn GetCachePath(const String& cache_key) -> Result<fs::path, DracError> {
+    if (cache_key.empty())
+      return Err(DracError(DracErrorCode::InvalidArgument, "Cache key cannot be empty."));
+
+    // Basic check for potentially problematic characters in the key for filename safety.
+    // You might want to expand this or implement more robust sanitization if needed.
+    if (cache_key.find_first_of("/\\:*?\"<>|") != String::npos)
+      return Err(
+        DracError(DracErrorCode::InvalidArgument, std::format("Cache key '{}' contains invalid characters.", cache_key))
+      );
+
+    std::error_code errc;
+    const fs::path  cacheDir = fs::temp_directory_path(errc);
+
+    if (errc)
+      return Err(DracError(DracErrorCode::IoError, "Failed to get system temporary directory: " + errc.message()));
+
+    // Use a consistent naming scheme
+    return cacheDir / (cache_key + "_cache.beve");
+  }
+
+  /**
+   * @brief Reads and deserializes data from a BEVE cache file.
+   * @tparam T The type of the object to deserialize from the cache. Must be Glaze-compatible.
+   * @param cache_key The unique identifier for the cache.
+   * @return Result containing the deserialized object of type T on success, or a DracError on failure.
+   */
+  template <typename T>
+  fn ReadCache(const String& cache_key) -> Result<T, DracError> {
+    Result<fs::path, DracError> cachePathResult = GetCachePath(cache_key);
+    if (!cachePathResult)
+      return Err(cachePathResult.error());
+
+    const fs::path& cachePath = *cachePathResult;
+
+    if (std::error_code exists_ec; !fs::exists(cachePath, exists_ec) || exists_ec) {
+      if (exists_ec) {
+        // Log if there was an error checking existence, but still return NotFound
+        warn_log("Error checking existence of cache file '{}': {}", cachePath.string(), exists_ec.message());
+      }
+      return Err(DracError(DracErrorCode::NotFound, "Cache file not found: " + cachePath.string()));
+    }
+
+    std::ifstream ifs(cachePath, std::ios::binary);
+    if (!ifs.is_open())
+      return Err(DracError(DracErrorCode::IoError, "Failed to open cache file for reading: " + cachePath.string()));
+
+    debug_log("Reading cache for key '{}' from: {}", cache_key, cachePath.string());
+
+    try {
+      // Read the entire file content
+      const String content((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
+      ifs.close(); // Close the file as soon as content is read
+
+      if (content.empty())
+        return Err(DracError(DracErrorCode::ParseError, "BEVE cache file is empty: " + cachePath.string()));
+
+      // Ensure T is default constructible for Glaze
+      static_assert(std::is_default_constructible_v<T>, "Cache type T must be default constructible for Glaze.");
+      T result {};
+
+      if (glz::error_ctx glazeErr = glz::read_beve(result, content); glazeErr.ec != glz::error_code::none) {
+        return Err(DracError(
+          DracErrorCode::ParseError,
+          std::format(
+            "BEVE parse error reading cache '{}' (code {}): {}",
+            cachePath.string(),
+            static_cast<int>(glazeErr.ec),
+            glz::format_error(glazeErr, content)
+          )
+        ));
+      }
+
+      debug_log("Successfully read cache for key '{}'.", cache_key);
+      return result;
+    } catch (const std::ios_base::failure& e) {
+      return Err(DracError(
+        DracErrorCode::IoError, std::format("Filesystem error reading cache file {}: {}", cachePath.string(), e.what())
+      ));
+    } catch (const Exception& e) {
+      // Catching std::exception or a project-specific base exception
+      return Err(DracError(
+        DracErrorCode::InternalError,
+        std::format("Standard exception reading cache file {}: {}", cachePath.string(), e.what())
+      ));
+    } catch (...) {
+      return Err(DracError(DracErrorCode::Other, "Unknown error reading cache file: " + cachePath.string()));
+    }
+  }
+
+  /**
+   * @brief Serializes and writes data to a BEVE cache file safely.
+   * @tparam T The type of the object to serialize. Must be Glaze-compatible.
+   * @param cache_key The unique identifier for the cache.
+   * @param data The data object of type T to write to the cache.
+   * @return Result containing void on success, or a DracError on failure.
+   */
+  template <typename T>
+  fn WriteCache(const String& cache_key, const T& data) -> Result<void, DracError> {
+    Result<fs::path, DracError> cachePathResult = GetCachePath(cache_key);
+    if (!cachePathResult)
+      return Err(cachePathResult.error());
+
+    const fs::path& cachePath = *cachePathResult;
+    fs::path        tempPath  = cachePath;
+    tempPath += ".tmp"; // Use a temporary file for atomic write
+
+    debug_log("Writing cache for key '{}' to: {}", cache_key, cachePath.string());
+
+    try {
+      String binaryBuffer;
+
+      // Use Glaze to serialize
+      // Need to decay T in case it's a reference type from the caller
+      using DecayedT           = std::decay_t<T>;
+      DecayedT dataToSerialize = data; // Make a copy if needed for non-const Glaze operations
+
+      if (glz::error_ctx glazeErr = glz::write_beve(dataToSerialize, binaryBuffer); glazeErr) {
+        return Err(DracError(
+          DracErrorCode::ParseError,
+          std::format(
+            "BEVE serialization error writing cache for key '{}' (code {}): {}",
+            cache_key,
+            static_cast<int>(glazeErr.ec),
+            glz::format_error(glazeErr, binaryBuffer)
+          )
+        ));
+      }
+
+      // Scope for ofstream to ensure it's closed before rename
+      {
+        std::ofstream ofs(tempPath, std::ios::binary | std::ios::trunc);
+        if (!ofs.is_open())
+          return Err(DracError(DracErrorCode::IoError, "Failed to open temporary cache file: " + tempPath.string()));
+
+        ofs.write(binaryBuffer.data(), static_cast<isize>(binaryBuffer.size()));
+
+        if (!ofs) {
+          // Attempt cleanup before returning error
+          std::error_code removeEc;
+          fs::remove(tempPath, removeEc); // Ignore error on cleanup attempt
+          return Err(DracError(DracErrorCode::IoError, "Failed to write to temporary cache file: " + tempPath.string())
+          );
+        }
+        // ofstream automatically closed here
+      }
+
+      // Attempt to atomically replace the old cache file
+      std::error_code rename_ec;
+      fs::rename(tempPath, cachePath, rename_ec);
+      if (rename_ec) {
+        // If rename failed, attempt to clean up the temp file
+        std::error_code removeEc;
+        fs::remove(tempPath, removeEc); // Ignore error on cleanup attempt
+        return Err(DracError(
+          DracErrorCode::IoError,
+          std::format(
+            "Failed to replace cache file '{}' with temporary file '{}': {}",
+            cachePath.string(),
+            tempPath.string(),
+            rename_ec.message()
+          )
+        ));
+      }
+
+      debug_log("Successfully wrote cache for key '{}'.", cache_key);
+      return {}; // Success
+    } catch (const std::ios_base::failure& e) {
+      std::error_code removeEc;
+      fs::remove(tempPath, removeEc); // Cleanup attempt
+      return Err(DracError(
+        DracErrorCode::IoError, std::format("Filesystem error writing cache file {}: {}", tempPath.string(), e.what())
+      ));
+    } catch (const Exception& e) {
+      std::error_code removeEc;
+      fs::remove(tempPath, removeEc); // Cleanup attempt
+      return Err(DracError(
+        DracErrorCode::InternalError,
+        std::format("Standard exception writing cache file {}: {}", tempPath.string(), e.what())
+      ));
+    } catch (...) {
+      std::error_code removeEc;
+      fs::remove(tempPath, removeEc); // Cleanup attempt
+      return Err(DracError(DracErrorCode::Other, "Unknown error writing cache file: " + tempPath.string()));
+    }
+  }
+
+} // namespace util::cache

src/util/error.hpp

@@ -9,7 +9,7 @@
   #include <winrt/base.h> // winrt::hresult_error
 #endif
 
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 namespace util::error {
   using types::u8, types::i32, types::String, types::StringView, types::Exception;

src/util/helpers.hpp

@@ -1,8 +1,8 @@
 #pragma once
 
-#include "defs.hpp"
+#include "src/util/defs.hpp"
-#include "error.hpp"
+#include "src/util/error.hpp"
-#include "types.hpp"
+#include "src/util/types.hpp"
 
 namespace util::helpers {
   using error::DracError, error::DracErrorCode;

src/util/logging.hpp

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <chrono>                 // std::chrono::{days, floor, seconds, system_clock}
-#include <ctime>      // For time_t, tm, localtime_s, localtime_r, strftime (needed for cross-platform local time)
 #include <filesystem>             // std::filesystem::path
 #include <format>                 // std::format
 #include <ftxui/screen/color.hpp> // ftxui::Color
@@ -12,9 +11,9 @@
   #include <source_location> // std::source_location
 #endif
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 
 namespace util::logging {
   using types::usize, types::u8, types::i32, types::i64, types::CStr, types::String, types::StringView, types::Array,
@@ -74,10 +73,8 @@ namespace util::logging {
    * @param color The FTXUI color
    * @return Styled string with ANSI codes
    */
-  inline fn Colorize(StringView text, const ftxui::Color::Palette16& color) -> String {
+  inline fn Colorize(const StringView text, const ftxui::Color::Palette16& color) -> String {
-    std::ostringstream oss;
+    return std::format("{}{}{}", LogLevelConst::COLOR_CODE_LITERALS.at(color), text, LogLevelConst::RESET_CODE);
-    oss << LogLevelConst::COLOR_CODE_LITERALS.at(static_cast<i32>(color)) << text << LogLevelConst::RESET_CODE;
-    return oss.str();
   }
 
   /**
@@ -86,7 +83,7 @@ namespace util::logging {
    * @return Bold text
    */
   inline fn Bold(const StringView text) -> String {
-    return String(LogLevelConst::BOLD_START) + String(text) + String(LogLevelConst::BOLD_END);
+    return std::format("{}{}{}", LogLevelConst::BOLD_START, text, LogLevelConst::BOLD_END);
   }
 
   /**
@@ -95,7 +92,7 @@ namespace util::logging {
    * @return Italic text
    */
   inline fn Italic(const StringView text) -> String {
-    return String(LogLevelConst::ITALIC_START) + String(text) + String(LogLevelConst::ITALIC_END);
+    return std::format("{}{}{}", LogLevelConst::ITALIC_START, text, LogLevelConst::ITALIC_END);
   }
 
   /**
@@ -143,11 +140,14 @@ namespace util::logging {
     }
   }
 
+  // ReSharper disable once CppDoxygenUnresolvedReference
   /**
    * @brief Logs a message with the specified log level, source location, and format string.
    * @tparam Args Parameter pack for format arguments.
    * @param level The log level (DEBUG, INFO, WARN, ERROR).
+   * \ifnot NDEBUG
    * @param loc The source location of the log message (only in Debug builds).
+   * \endif
    * @param fmt The format string.
    * @param args The arguments for the format string.
    */
@@ -163,8 +163,6 @@ namespace util::logging {
     using namespace std::chrono;
     using std::filesystem::path;
 
-    using Buffer = Array<char, 512>;
-
     const auto        nowTp = system_clock::now();
     const std::time_t nowTt = system_clock::to_time_t(nowTp);
     std::tm           localTm;
@@ -176,7 +174,7 @@ namespace util::logging {
 #else
     if (localtime_r(&nowTt, &localTm) != nullptr) {
 #endif
-      Array<char, 64> timeBuffer;
+      Array<char, 64> timeBuffer {};
 
       if (std::strftime(timeBuffer.data(), sizeof(timeBuffer), LogLevelConst::TIMESTAMP_FORMAT, &localTm) > 0)
         timestamp = timeBuffer.data();
@@ -187,7 +185,7 @@ namespace util::logging {
 
     const String message = std::format(fmt, std::forward<Args>(args)...);
 
-    Buffer buffer {};
+    Array<char, 128> buffer {};
 
     // Use the locally formatted timestamp string here
     auto* iter = std::format_to(

src/wrappers/dbus.hpp

@@ -9,9 +9,9 @@
 #include <format>      // std::format
 #include <type_traits> // std::is_convertible_v
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/error.hpp"
+#include "src/util/error.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 // clang-format on
 
 namespace dbus {

src/wrappers/wayland.hpp

@@ -5,8 +5,8 @@
 // clang-format off
 #include <wayland-client.h> // Wayland client library
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 // clang-format on
 
 struct wl_display;

src/wrappers/xcb.hpp

@@ -5,8 +5,8 @@
 // clang-format off
 #include <xcb/xcb.h> // XCB library
 
-#include "src/core/util/defs.hpp"
+#include "src/util/defs.hpp"
-#include "src/core/util/types.hpp"
+#include "src/util/types.hpp"
 // clang-format on
 
 namespace xcb {