Make cha-ching noise whenever you're checking out cost schedules

src/blenderbim/blenderbim/bim/module/cost/operator.py

@@ -1,3 +1,4 @@
+import os
 import bpy
 import json
 import ifcopenshell.api
@@ -98,6 +99,21 @@ class EnableEditingCostItems(bpy.types.Operator):
     cost_schedule: bpy.props.IntProperty()
 
     def execute(self, context):
+        if context.preferences.addons["blenderbim"].preferences.should_play_chaching_sound:
+            # lol
+            # TODO: make pitch higher as costs rise
+            try:
+                import aud
+
+                device = aud.Device()
+                sound = aud.Sound(os.path.join(context.scene.BIMProperties.data_dir, "chaching.mp3"))
+                handle = device.play(sound)
+                sound_buffered = aud.Sound.buffer(sound)
+                handle_buffered = device.play(sound_buffered)
+                handle.stop()
+                handle_buffered.stop()
+            except:
+                pass  # ah well
         self.props = context.scene.BIMCostProperties
         self.props.active_cost_schedule_id = self.cost_schedule
         while len(self.props.cost_items) > 0:

src/blenderbim/blenderbim/bim/ui.py

@@ -190,13 +190,22 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
     svg_command: StringProperty(name="SVG Command", description="E.g. [['firefox-bin', path]]")
     pdf_command: StringProperty(name="PDF Command", description="E.g. [['firefox-bin', path]]")
     should_hide_empty_props: BoolProperty(name="Should Hide Empty Properties", default=True)
+    should_play_chaching_sound: BoolProperty(
+        name="Should Make A Cha-Ching Sound When Project Costs Updates", default=False
+    )
 
     def draw(self, context):
         layout = self.layout
         row = layout.row()
-        row.label(text="To upgrade, first uninstall your current BlenderBIM Add-on, then install the new version.", icon="ERROR")
+        row.label(
+            text="To upgrade, first uninstall your current BlenderBIM Add-on, then install the new version.",
+            icon="ERROR",
+        )
         row = layout.row()
-        row.label(text="To uninstall, first disable the add-on. Then restart Blender before pressing the 'Remove' button.", icon="ERROR")
+        row.label(
+            text="To uninstall, first disable the add-on. Then restart Blender before pressing the 'Remove' button.",
+            icon="ERROR",
+        )
         row = layout.row()
         row.operator("bim.open_upstream", text="Visit Homepage").page = "home"
         row.operator("bim.open_upstream", text="Visit Documentation").page = "docs"