WIP: Time estimate in file names.

src/libslic3r/Print.cpp

@@ -1860,5 +1860,18 @@ int Print::get_extruder(const ExtrusionEntityCollection& fill, const PrintRegion
                                     std::max<int>(region.config().perimeter_extruder.value - 1, 0);
 }
 
+std::string Print::output_filename() const 
+{ 
+    // Set the placeholders for the data know first after the G-code export is finished.
+    // These values will be just propagated into the output file name.
+    DynamicConfig config;
+    for (const std::string &key : { 
+        "print_time", "normal_print_time", "silent_print_time", 
+        "used_filament", "extruded_volume", "total_cost", "total_weight", 
+        "total_wipe_tower_cost", "total_wipe_tower_filament"})
+        config.set_key_value(key, new ConfigOptionString(std::string("{") + key + "}"));
+    return this->PrintBase::output_filename(m_config.output_filename_format.value, "gcode", &config);
+}
+
 } // namespace Slic3r
 

src/libslic3r/Print.hpp

@@ -345,8 +345,7 @@ public:
     bool                        has_wipe_tower() const;
     const WipeTowerData&        wipe_tower_data() const { return m_wipe_tower_data; }
 
-	std::string                 output_filename() const override 
-        { return this->PrintBase::output_filename(m_config.output_filename_format.value, "gcode"); }
+	std::string                 output_filename() const override;
 
     // Accessed by SupportMaterial
     const PrintRegion*  get_region(size_t idx) const  { return m_regions[idx]; }

src/libslic3r/PrintBase.cpp

@@ -48,12 +48,14 @@ void PrintBase::update_object_placeholders()
     }
 }
 
-std::string PrintBase::output_filename(const std::string &format, const std::string &default_ext) const
+std::string PrintBase::output_filename(const std::string &format, const std::string &default_ext, const DynamicConfig *config_override) const
 {
-    DynamicConfig cfg_timestamp;
-    PlaceholderParser::update_timestamp(cfg_timestamp);
+    DynamicConfig cfg;
+    if (config_override != nullptr)
+    	cfg = *config_override;
+    PlaceholderParser::update_timestamp(cfg);
     try {
-        boost::filesystem::path filename = this->placeholder_parser().process(format, 0, &cfg_timestamp);
+        boost::filesystem::path filename = this->placeholder_parser().process(format, 0, &cfg);
         if (filename.extension().empty())
         	filename = boost::filesystem::change_extension(filename, default_ext);
         return filename.string();

src/libslic3r/PrintBase.hpp

@@ -307,7 +307,7 @@ protected:
     void                   throw_if_canceled() const { if (m_cancel_status) throw CanceledException(); }
 
     // To be called by this->output_filename() with the format string pulled from the configuration layer.
-    std::string            output_filename(const std::string &format, const std::string &default_ext) const;
+    std::string            output_filename(const std::string &format, const std::string &default_ext, const DynamicConfig *config_override = nullptr) const;
     // Update "scale", "input_filename", "input_filename_base" placeholders from the current printable ModelObjects.
     void                   update_object_placeholders();
 

src/slic3r/GUI/BackgroundSlicingProcess.cpp

@@ -22,6 +22,7 @@
 
 #include <boost/format.hpp>
 #include <boost/filesystem/path.hpp>
+#include <boost/log/trivial.hpp>
 #include <boost/nowide/cstdio.hpp>
 
 namespace Slic3r {
@@ -72,11 +73,38 @@ void BackgroundSlicingProcess::process_fff()
 	if (this->set_step_started(bspsGCodeFinalize)) {
 	    if (! m_export_path.empty()) {
 	    	//FIXME localize the messages
-		    if (copy_file(m_temp_output_path, m_export_path) != 0)
+	    	// Perform the final post-processing of the export path by applying the print statistics over the file name.
+	    	std::string export_path;
+	    	{
+		    	const PrintStatistics &stats = m_fff_print->print_statistics();
+		    	PlaceholderParser pp;
+		    	std::string normal_print_time = stats.estimated_normal_print_time;
+		    	std::string silent_print_time = stats.estimated_silent_print_time;
+				normal_print_time.erase(std::remove_if(normal_print_time.begin(), normal_print_time.end(), std::isspace), normal_print_time.end());
+				silent_print_time.erase(std::remove_if(silent_print_time.begin(), silent_print_time.end(), std::isspace), silent_print_time.end());
+		    	pp.set("print_time",        		new ConfigOptionString(normal_print_time));
+		    	pp.set("normal_print_time", 		new ConfigOptionString(normal_print_time));
+		    	pp.set("silent_print_time", 		new ConfigOptionString(silent_print_time));
+		    	pp.set("used_filament",     		new ConfigOptionFloat (stats.total_used_filament));
+				pp.set("extruded_volume",     		new ConfigOptionFloat (stats.total_extruded_volume));
+				pp.set("total_cost",     			new ConfigOptionFloat (stats.total_cost));
+				pp.set("total_weight",    			new ConfigOptionFloat (stats.total_weight));
+				pp.set("total_wipe_tower_cost",     new ConfigOptionFloat (stats.total_wipe_tower_cost));
+				pp.set("total_wipe_tower_filament", new ConfigOptionFloat (stats.total_wipe_tower_filament));
+	    		boost::filesystem::path path(m_export_path);
+				try {
+					std::string new_stem = pp.process(path.stem().string(), 0);
+					export_path = (path.parent_path() / (new_stem + path.extension().string())).string();
+				} catch (const std::exception &ex) {
+    				BOOST_LOG_TRIVIAL(error) << "Failed to apply the print statistics to the export file name: " << ex.what();
+					export_path = m_export_path;
+				}
+			}
+		    if (copy_file(m_temp_output_path, export_path) != 0)
 	    		throw std::runtime_error("Copying of the temporary G-code to the output G-code failed");
 	    	m_print->set_status(95, "Running post-processing scripts");
-	    	run_post_process_scripts(m_export_path, m_fff_print->config());
-	    	m_print->set_status(100, "G-code file exported to " + m_export_path);
+	    	run_post_process_scripts(export_path, m_fff_print->config());
+	    	m_print->set_status(100, "G-code file exported to " + export_path);
 	    } else {
 	    	m_print->set_status(100, "Slicing complete");
 	    }

src/slic3r/GUI/GUI.cpp

@@ -147,7 +147,7 @@ void change_opt_value(DynamicPrintConfig& config, const t_config_option_key& opt
 			config.set_key_value(opt_key, new ConfigOptionString(boost::any_cast<std::string>(value)));
 			break;
 		case coStrings:{
-			if (opt_key == "compatible_prints" || opt_key == "compatible_printers") {
+			if (opt_key == "compatible_prints" || opt_key == "compatible_printers" || opt_key == "post_process") {
 				config.option<ConfigOptionStrings>(opt_key)->values = 
 					boost::any_cast<std::vector<std::string>>(value);
 			}