有构建板，支持多模型构建，但生成支撑的切片还有bug

app/tasks.py

@@ -8,7 +8,7 @@ huey = SqliteHuey(filename='huey_queue.db')
 import configparser
 
 @huey.task()
-def slice_stl_task(file_id, stl_filepath, quality_preset=None):
+def slice_stl_task(file_id, stl_filepath, quality_preset=None, infill_density=None, support_enable=None, support_pattern=None, delete_stl=False):
     # This is run by the Huey worker
     # We need to create an app context to interact with the database
     from app import create_app
@@ -53,6 +53,20 @@ def slice_stl_task(file_id, stl_filepath, quality_preset=None):
                         for key, val in config.items('values'):
                             command.extend(['-s', f"{key}={val}"])
                             
+            if infill_density is not None:
+                command.extend(['-s', f"infill_sparse_density={infill_density}"])
+                command.extend(['-s', f"infill_line_distance={100 / int(infill_density) if int(infill_density) > 0 else 9999}"])
+                
+            if support_enable is not None:
+                command.extend(['-s', f"support_enable={'true' if support_enable == 'true' or support_enable == 'buildplate' else 'false'}"])
+                command.extend(['-s', f"support_type={'buildplate' if support_enable == 'buildplate' else 'everywhere'}"])
+                if support_pattern == 'tree':
+                    command.extend(['-s', 'support_structure=tree'])
+                    command.extend(['-s', 'support_tree_enable=true'])
+                elif support_pattern and support_pattern != 'false':
+                    command.extend(['-s', 'support_structure=normal'])
+                    command.extend(['-s', f'support_pattern={support_pattern}'])
+                            
             command.extend([
                 "-l", stl_filepath,
                 "-o", gcode_filepath
@@ -80,6 +94,40 @@ def slice_stl_task(file_id, stl_filepath, quality_preset=None):
                 print_file.status = 'failed'
             app.logger.error(f"Subprocess Exception: {e}")
             
+        if delete_stl and os.path.exists(stl_filepath):
+            try:
+                os.remove(stl_filepath)
+            except Exception as e:
+                app.logger.error(f"Failed to delete temp STL {stl_filepath}: {e}")
+                
         db.session.commit()
         db.session.remove()
 
+
+@huey.task()
+def merge_and_slice_task(file_id, inputs, merged_filepath, quality_preset=None, infill_density=None, support_enable=None, support_pattern=None, delete_stl=False):
+    from app import create_app
+    app = create_app()
+    with app.app_context():
+        from .models import PrintFile, db
+        print_file = PrintFile.query.get(file_id)
+        if not print_file:
+            return
+
+        db.session.remove()
+        
+        try:
+            from stl_merger import merge_stls
+            merge_stls(inputs, merged_filepath)
+            
+            # Now trigger the regular slicing task
+            # We can just call the slicing logic or enqueue it
+            slice_stl_task(file_id, merged_filepath, quality_preset, infill_density, support_enable, support_pattern, delete_stl=delete_stl)
+        except Exception as e:
+            print_file = PrintFile.query.get(file_id)
+            if print_file:
+                print_file.status = 'failed'
+                db.session.commit()
+            app.logger.error(f"Merge Exception: {e}")
+        finally:
+            db.session.remove()