From 9ee7e9aba40c0f96ff3397b89dcda42578f7c9e6 Mon Sep 17 00:00:00 2001
From: Noisyfox <timemanager.rick@gmail.com>
Date: Tue, 7 Jul 2026 12:51:12 +0800
Subject: [PATCH] feat: add DevUtilBackend with GetFilamentDryingPreset

Reads filament_dev_ams_drying_* config keys from filament presets
and returns structured DevFilamentDryingPreset data.
---
 src/slic3r/GUI/DeviceCore/CMakeLists.txt     |  2 +
 src/slic3r/GUI/DeviceCore/DevUtilBackend.cpp | 76 ++++++++++++++++++++
 src/slic3r/GUI/DeviceCore/DevUtilBackend.h   | 26 +++++++
 3 files changed, 104 insertions(+)
 create mode 100644 src/slic3r/GUI/DeviceCore/DevUtilBackend.cpp
 create mode 100644 src/slic3r/GUI/DeviceCore/DevUtilBackend.h

diff --git a/src/slic3r/GUI/DeviceCore/CMakeLists.txt b/src/slic3r/GUI/DeviceCore/CMakeLists.txt
index 57fd747228..67e7f1dc8c 100644
--- a/src/slic3r/GUI/DeviceCore/CMakeLists.txt
+++ b/src/slic3r/GUI/DeviceCore/CMakeLists.txt
@@ -28,6 +28,8 @@ list(APPEND SLIC3R_GUI_SOURCES
     GUI/DeviceCore/DevFilaSystem.h
     GUI/DeviceCore/DevFilaSystem.cpp
     GUI/DeviceCore/DevFilaSystemCtrl.cpp
+    GUI/DeviceCore/DevUtilBackend.h
+    GUI/DeviceCore/DevUtilBackend.cpp
     GUI/DeviceCore/DevFirmware.h
     GUI/DeviceCore/DevFirmware.cpp
     GUI/DeviceCore/DevPrintOptions.h
diff --git a/src/slic3r/GUI/DeviceCore/DevUtilBackend.cpp b/src/slic3r/GUI/DeviceCore/DevUtilBackend.cpp
new file mode 100644
index 0000000000..c3cd5fd850
--- /dev/null
+++ b/src/slic3r/GUI/DeviceCore/DevUtilBackend.cpp
@@ -0,0 +1,76 @@
+#include "DevUtilBackend.h"
+
+#include "slic3r/GUI/GUI_App.hpp"
+
+#include "libslic3r/Preset.hpp"
+
+#include <boost/log/trivial.hpp>
+
+namespace Slic3r
+{
+
+static std::unordered_map<std::string, DevAmsType> s_ams_type_map = {
+    {"0", DevAmsType::N3F},
+    {"1", DevAmsType::N3S},
+};
+
+std::optional<Slic3r::DevFilamentDryingPreset> DevUtilBackend::GetFilamentDryingPreset(const std::string& fila_id)
+{
+    if (fila_id.empty() || !GUI::wxGetApp().preset_bundle) {
+        return std::nullopt;
+    }
+
+    for (auto iter = GUI::wxGetApp().preset_bundle->filaments.begin(); iter != GUI::wxGetApp().preset_bundle->filaments.end(); ++iter) {
+        const Preset& filament_preset = *iter;
+        const auto& config = filament_preset.config;
+        if (filament_preset.filament_id == fila_id) {
+            DevFilamentDryingPreset info;
+            info.filament_id = fila_id;
+            try {
+                if (config.has("filament_dev_ams_drying_ams_limitations")) {
+                    std::vector<std::string> types = config.option<ConfigOptionStrings>("filament_dev_ams_drying_ams_limitations")->values;
+                    for (auto type : types) {
+                        if (s_ams_type_map.count(type) == 0) {
+                            continue;
+                        }
+                        info.ams_limitations.insert(s_ams_type_map[type]);
+                    }
+                }
+
+                if (config.has("filament_dev_ams_drying_temperature")) {
+                    info.filament_dev_ams_drying_temperature_on_idle[DevAmsType::N3F] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_temperature")->get_at(0);
+                    info.filament_dev_ams_drying_temperature_on_idle[DevAmsType::N3S] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_temperature")->get_at(1);
+                    info.filament_dev_ams_drying_temperature_on_print[DevAmsType::N3F] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_temperature")->get_at(2);
+                    info.filament_dev_ams_drying_temperature_on_print[DevAmsType::N3S] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_temperature")->get_at(3);
+                }
+
+                if (config.has("filament_dev_ams_drying_time")) {
+                    info.filament_dev_ams_drying_time_on_idle[DevAmsType::N3F] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_time")->get_at(0);
+                    info.filament_dev_ams_drying_time_on_idle[DevAmsType::N3S] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_time")->get_at(1);
+                    info.filament_dev_ams_drying_time_on_print[DevAmsType::N3F] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_time")->get_at(2);
+                    info.filament_dev_ams_drying_time_on_print[DevAmsType::N3S] = config.option<ConfigOptionFloats>("filament_dev_ams_drying_time")->get_at(3);
+                }
+
+                if (config.has("filament_dev_drying_softening_temperature")) {
+                    info.filament_dev_drying_softening_temperature = config.option<ConfigOptionFloats>("filament_dev_drying_softening_temperature")->get_at(0);
+                }
+
+                if (config.has("filament_dev_ams_drying_heat_distortion_temperature")) {
+                    info.filament_dev_ams_drying_heat_distortion_temperature = config.option<ConfigOptionFloats>("filament_dev_ams_drying_heat_distortion_temperature")->get_at(0);
+                }
+
+                if (config.has("filament_dev_drying_cooling_temperature")) {
+                    info.filament_dev_drying_cooling_temperature = config.option<ConfigOptionFloats>("filament_dev_drying_cooling_temperature")->get_at(0);
+                }
+
+                return info;
+            } catch (const std::exception& e) {
+                BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << " exception: " << e.what();
+            }
+        }
+    }
+
+    return std::nullopt;
+}
+
+}; // namespace Slic3r
diff --git a/src/slic3r/GUI/DeviceCore/DevUtilBackend.h b/src/slic3r/GUI/DeviceCore/DevUtilBackend.h
new file mode 100644
index 0000000000..ccaa12d056
--- /dev/null
+++ b/src/slic3r/GUI/DeviceCore/DevUtilBackend.h
@@ -0,0 +1,26 @@
+/**
+ * @file DevUtilBackend.h
+ * @brief Provides common static utility methods for backend (preset/slicing).
+ */
+
+#pragma once
+#include "DevDefs.h"
+#include "DevFilaSystem.h"
+
+#include <optional>
+#include <string>
+
+namespace Slic3r
+{
+
+class DevUtilBackend
+{
+public:
+    DevUtilBackend() = delete;
+
+public:
+    // for filament preset
+    static std::optional<DevFilamentDryingPreset> GetFilamentDryingPreset(const std::string& fila_id);
+};
+
+}; // namespace Slic3r