refactor: Rename launch_type to propulsion_system across the codebase

backend/apps/api/v1/rides/views.py

@@ -173,10 +173,10 @@ class RideListCreateAPIView(APIView):
                 description="Filter roller coasters by track material (STEEL, WOOD, HYBRID)",
             ),
             OpenApiParameter(
-                name="launch_type",
+                name="propulsion_system",
                 location=OpenApiParameter.QUERY,
                 type=OpenApiTypes.STR,
-                description="Filter roller coasters by launch type (CHAIN, LSM, HYDRAULIC, etc.)",
+                description="Filter roller coasters by propulsion system (CHAIN, LSM, HYDRAULIC, etc.)",
             ),
             OpenApiParameter(
                 name="min_rating",
@@ -507,9 +507,9 @@ class RideListCreateAPIView(APIView):
         if track_material:
             qs = qs.filter(coaster_stats__track_material=track_material)
 
-        launch_type = params.get("launch_type")
-        if launch_type:
-            qs = qs.filter(coaster_stats__launch_type=launch_type)
+        propulsion_system = params.get("propulsion_system")
+        if propulsion_system:
+            qs = qs.filter(coaster_stats__propulsion_system=propulsion_system)
 
         # Height filters
         min_height_ft = params.get("min_height_ft")
@@ -762,7 +762,7 @@ class FilterOptionsAPIView(APIView):
                 post_closing_statuses = get_choices('post_closing_statuses', 'rides')
                 track_materials = get_choices('track_materials', 'rides')
                 coaster_types = get_choices('coaster_types', 'rides')
-                launch_systems = get_choices('launch_systems', 'rides')
+                propulsion_systems = get_choices('propulsion_systems', 'rides')
                 target_markets = get_choices('target_markets', 'rides')
                 
                 # Convert Rich Choice Objects to frontend format with metadata
@@ -831,7 +831,7 @@ class FilterOptionsAPIView(APIView):
                     for choice in coaster_types
                 ]
                 
-                launch_systems_data = [
+                propulsion_systems_data = [
                     {
                         "value": choice.value,
                         "label": choice.label,
@@ -841,7 +841,7 @@ class FilterOptionsAPIView(APIView):
                         "css_class": choice.metadata.get('css_class'),
                         "sort_order": choice.metadata.get('sort_order', 0)
                     }
-                    for choice in launch_systems
+                    for choice in propulsion_systems
                 ]
                 
                 target_markets_data = [
@@ -894,7 +894,7 @@ class FilterOptionsAPIView(APIView):
                     {"value": "WING", "label": "Wing", "description": "Seats extend beyond track sides", "color": "indigo", "icon": "wing", "css_class": "bg-indigo-100 text-indigo-800", "sort_order": 5},
                     {"value": "DIVE", "label": "Dive", "description": "Features steep vertical drops", "color": "red", "icon": "dive", "css_class": "bg-red-100 text-red-800", "sort_order": 6},
                 ]
-                launch_systems_data = [
+                propulsion_systems_data = [
                     {"value": "CHAIN", "label": "Chain Lift", "description": "Traditional chain lift hill", "color": "gray", "icon": "chain", "css_class": "bg-gray-100 text-gray-800", "sort_order": 1},
                     {"value": "LSM", "label": "LSM Launch", "description": "Linear synchronous motor launch", "color": "blue", "icon": "lightning", "css_class": "bg-blue-100 text-blue-800", "sort_order": 2},
                     {"value": "HYDRAULIC", "label": "Hydraulic Launch", "description": "High-pressure hydraulic launch", "color": "red", "icon": "hydraulic", "css_class": "bg-red-100 text-red-800", "sort_order": 3},
@@ -934,7 +934,7 @@ class FilterOptionsAPIView(APIView):
                     {"value": "WOOD", "label": "Wood"},
                     {"value": "HYBRID", "label": "Hybrid"},
                 ],
-                "launch_types": [
+                "propulsion_systems": [
                     {"value": "CHAIN", "label": "Chain Lift"},
                     {"value": "LSM", "label": "LSM Launch"},
                     {"value": "HYDRAULIC", "label": "Hydraulic Launch"},
@@ -1019,7 +1019,7 @@ class FilterOptionsAPIView(APIView):
         post_closing_statuses = get_choices('post_closing_statuses', 'rides')
         track_materials = get_choices('track_materials', 'rides')
         coaster_types = get_choices('coaster_types', 'rides')
-        launch_systems = get_choices('launch_systems', 'rides')
+        propulsion_systems = get_choices('propulsion_systems', 'rides')
         target_markets = get_choices('target_markets', 'rides')
         
         # Convert Rich Choice Objects to frontend format with metadata
@@ -1088,7 +1088,7 @@ class FilterOptionsAPIView(APIView):
             for choice in coaster_types
         ]
         
-        launch_systems_data = [
+        propulsion_systems_data = [
             {
                 "value": choice.value,
                 "label": choice.label,
@@ -1098,7 +1098,7 @@ class FilterOptionsAPIView(APIView):
                 "css_class": choice.metadata.get('css_class'),
                 "sort_order": choice.metadata.get('sort_order', 0)
             }
-            for choice in launch_systems
+            for choice in propulsion_systems
         ]
         
         target_markets_data = [
@@ -1274,7 +1274,7 @@ class FilterOptionsAPIView(APIView):
             "post_closing_statuses": post_closing_statuses_data,
             "roller_coaster_types": coaster_types_data,
             "track_materials": track_materials_data,
-            "launch_types": launch_systems_data,
+            "propulsion_systems": propulsion_systems_data,
             "ride_model_target_markets": target_markets_data,
             "parks": parks,
             "park_areas": park_areas,
@@ -1499,7 +1499,7 @@ class RideImageSettingsAPIView(APIView):
             OpenApiParameter("capacity_max", OpenApiTypes.INT, description="Maximum hourly capacity"),
             OpenApiParameter("roller_coaster_type", OpenApiTypes.STR, description="Filter by roller coaster type (comma-separated for multiple)"),
             OpenApiParameter("track_material", OpenApiTypes.STR, description="Filter by track material (comma-separated for multiple)"),
-            OpenApiParameter("launch_type", OpenApiTypes.STR, description="Filter by launch type (comma-separated for multiple)"),
+            OpenApiParameter("propulsion_system", OpenApiTypes.STR, description="Filter by propulsion system (comma-separated for multiple)"),
             OpenApiParameter("height_ft_min", OpenApiTypes.NUMBER, description="Minimum roller coaster height in feet"),
             OpenApiParameter("height_ft_max", OpenApiTypes.NUMBER, description="Maximum roller coaster height in feet"),
             OpenApiParameter("speed_mph_min", OpenApiTypes.NUMBER, description="Minimum roller coaster speed in mph"),
@@ -1610,7 +1610,7 @@ class HybridRideAPIView(APIView):
         filters = {}
         
         # Handle comma-separated list parameters
-        list_params = ['category', 'status', 'manufacturer', 'designer', 'ride_model', 'roller_coaster_type', 'track_material', 'launch_type']
+        list_params = ['category', 'status', 'manufacturer', 'designer', 'ride_model', 'roller_coaster_type', 'track_material', 'propulsion_system']
         for param in list_params:
             value = query_params.get(param)
             if value:
@@ -1692,7 +1692,7 @@ class HybridRideAPIView(APIView):
                                         "statuses": {"type": "array", "items": {"type": "string"}},
                                         "roller_coaster_types": {"type": "array", "items": {"type": "string"}},
                                         "track_materials": {"type": "array", "items": {"type": "string"}},
-                                        "launch_types": {"type": "array", "items": {"type": "string"}},
+                                        "propulsion_systems": {"type": "array", "items": {"type": "string"}},
                                         "parks": {
                                             "type": "array",
                                             "items": {