Improved error reporting and error handling when loading

vendor config bundles into installation wizard.

src/slic3r/GUI/ConfigWizard.cpp

@@ -42,16 +42,27 @@ using Config::SnapshotDB;
 
 // Configuration data structures extensions needed for the wizard
 
-Bundle::Bundle(fs::path source_path, bool is_in_resources, bool is_prusa_bundle)
-    : preset_bundle(new PresetBundle)
-    , vendor_profile(nullptr)
-    , is_in_resources(is_in_resources)
-    , is_prusa_bundle(is_prusa_bundle)
+bool Bundle::load(fs::path source_path, bool ais_in_resources, bool ais_prusa_bundle)
 {
-    preset_bundle->load_configbundle(source_path.string(), PresetBundle::LOAD_CFGBNDLE_SYSTEM);
+    this->preset_bundle = std::make_unique<PresetBundle>();
+    this->is_in_resources = ais_in_resources;
+    this->is_prusa_bundle = ais_prusa_bundle;
+
+    std::string path_string = source_path.string();
+    size_t presets_loaded = preset_bundle->load_configbundle(path_string, PresetBundle::LOAD_CFGBNDLE_SYSTEM);
     auto first_vendor = preset_bundle->vendors.begin();
-    wxCHECK_RET(first_vendor != preset_bundle->vendors.end(), "Failed to load preset bundle");
-    vendor_profile = &first_vendor->second;
+    if (first_vendor == preset_bundle->vendors.end()) {
+        BOOST_LOG_TRIVIAL(error) << boost::format("Vendor bundle: `%1%`: No vendor information defined, cannot install.") % path_string;
+        return false;
+    }
+    if (presets_loaded == 0) {
+        BOOST_LOG_TRIVIAL(error) << boost::format("Vendor bundle: `%1%`: No profile loaded.") % path_string;
+        return false;
+    } 
+
+    BOOST_LOG_TRIVIAL(trace) << boost::format("Vendor bundle: `%1%`: %2% profiles loaded.") % path_string % presets_loaded;
+    this->vendor_profile = &first_vendor->second;
+    return true;
 }
 
 Bundle::Bundle(Bundle &&other)
@@ -76,8 +87,11 @@ BundleMap BundleMap::load()
         prusa_bundle_path = (rsrc_vendor_dir / PresetBundle::PRUSA_BUNDLE).replace_extension(".ini");
         prusa_bundle_rsrc = true;
     }
-    Bundle prusa_bundle(std::move(prusa_bundle_path), prusa_bundle_rsrc, true);
+    {
+        Bundle prusa_bundle;
+        if (prusa_bundle.load(std::move(prusa_bundle_path), prusa_bundle_rsrc, true))
             res.emplace(PresetBundle::PRUSA_BUNDLE, std::move(prusa_bundle)); 
+    }
 
     // Load the other bundles in the datadir/vendor directory
     // and then additionally from resources/profiles.
@@ -90,7 +104,8 @@ BundleMap BundleMap::load()
                 // Don't load this bundle if we've already loaded it.
                 if (res.find(id) != res.end()) { continue; }
 
-                Bundle bundle(dir_entry.path(), is_in_resources);
+                Bundle bundle;
+                if (bundle.load(dir_entry.path(), is_in_resources))
                     res.emplace(std::move(id), std::move(bundle));
             }
         }

src/slic3r/GUI/ConfigWizard_private.hpp

@@ -100,13 +100,16 @@ struct Materials
 struct Bundle
 {
     std::unique_ptr<PresetBundle> preset_bundle;
-    VendorProfile *vendor_profile;
-    const bool is_in_resources;
-    const bool is_prusa_bundle;
+    VendorProfile *vendor_profile { nullptr };
+    bool is_in_resources { false };
+    bool is_prusa_bundle { false };
 
-    Bundle(fs::path source_path, bool is_in_resources, bool is_prusa_bundle = false);
+    Bundle() = default;
     Bundle(Bundle &&other);
 
+    // Returns false if not loaded. Reason for that is logged as boost::log error.
+    bool load(fs::path source_path, bool is_in_resources, bool is_prusa_bundle = false);
+
     const std::string& vendor_id() const { return vendor_profile->id; }
 };
 

src/slic3r/GUI/PresetBundle.cpp

@@ -703,7 +703,10 @@ void PresetBundle::load_config_file(const std::string &path)
         boost::nowide::ifstream ifs(path);
         boost::property_tree::read_ini(ifs, tree);
     } catch (const std::ifstream::failure &err) {
-        throw std::runtime_error(std::string("The config file cannot be loaded: ") + path + "\n\tReason: " + err.what());
+        throw std::runtime_error(std::string("The Config Bundle cannot be loaded: ") + path + "\n\tReason: " + err.what());
+    } catch (const boost::property_tree::file_parser_error &err) {
+        throw std::runtime_error((boost::format("Failed loading the Config Bundle \"%1%\": %2% at line %3%")
+        	% err.filename() % err.message() % err.line()).str());
     } catch (const std::runtime_error &err) {
         throw std::runtime_error(std::string("Failed loading the preset file: ") + path + "\n\tReason: " + err.what());
     }
@@ -1109,8 +1112,13 @@ size_t PresetBundle::load_configbundle(const std::string &path, unsigned int fla
     const VendorProfile *vendor_profile = nullptr;
     if (flags & (LOAD_CFGBNDLE_SYSTEM | LOAD_CFGBUNDLE_VENDOR_ONLY)) {
         auto vp = VendorProfile::from_ini(tree, path);
-        if (vp.num_variants() == 0)
+        if (vp.models.size() == 0) {
+            BOOST_LOG_TRIVIAL(error) << boost::format("Vendor bundle: `%1%`: No printer model defined.") % path;
             return 0;
+        } else if (vp.num_variants() == 0) {
+            BOOST_LOG_TRIVIAL(error) << boost::format("Vendor bundle: `%1%`: No printer variant defined") % path;
+            return 0;
+        }
         vendor_profile = &this->vendors.insert({vp.id, vp}).first->second;
     }