feat(schema): add bounds filtering to list endpoints

Add west, south, east, north params to:
- hubs_list
- suppliers_list
- products_list

This enables filtering by map viewport bounds for the catalog.

geo_app/schema.py

@@ -365,6 +365,10 @@ class Query(graphene.ObjectType):
         offset=graphene.Int(default_value=0, description="Offset for pagination"),
         country=graphene.String(description="Filter by country name"),
         transport_type=graphene.String(description="Filter by transport type"),
+        west=graphene.Float(description="Bounding box west longitude"),
+        south=graphene.Float(description="Bounding box south latitude"),
+        east=graphene.Float(description="Bounding box east longitude"),
+        north=graphene.Float(description="Bounding box north latitude"),
         description="Get paginated list of logistics hubs",
     )
 
@@ -373,6 +377,10 @@ class Query(graphene.ObjectType):
         limit=graphene.Int(default_value=50, description="Max results"),
         offset=graphene.Int(default_value=0, description="Offset for pagination"),
         country=graphene.String(description="Filter by country name"),
+        west=graphene.Float(description="Bounding box west longitude"),
+        south=graphene.Float(description="Bounding box south latitude"),
+        east=graphene.Float(description="Bounding box east longitude"),
+        north=graphene.Float(description="Bounding box north latitude"),
         description="Get paginated list of suppliers from graph",
     )
 
@@ -380,6 +388,10 @@ class Query(graphene.ObjectType):
         ProductType,
         limit=graphene.Int(default_value=50, description="Max results"),
         offset=graphene.Int(default_value=0, description="Offset for pagination"),
+        west=graphene.Float(description="Bounding box west longitude"),
+        south=graphene.Float(description="Bounding box south latitude"),
+        east=graphene.Float(description="Bounding box east longitude"),
+        north=graphene.Float(description="Bounding box north latitude"),
         description="Get paginated list of products from graph",
     )
 
@@ -1683,30 +1695,52 @@ class Query(graphene.ObjectType):
             logger.error("Error finding route to coordinates: %s", e)
             return None
 
-    def resolve_hubs_list(self, info, limit=50, offset=0, country=None, transport_type=None):
+    def resolve_hubs_list(self, info, limit=50, offset=0, country=None, transport_type=None,
+                          west=None, south=None, east=None, north=None):
         """Get paginated list of logistics hubs."""
         db = get_db()
 
-        aql = """
+        # Build bounds filter if all bounds are provided
+        bounds_filter = ""
+        if west is not None and south is not None and east is not None and north is not None:
+            bounds_filter = """
+            FILTER node.latitude != null AND node.longitude != null
+            FILTER node.latitude >= @south AND node.latitude <= @north
+            FILTER node.longitude >= @west AND node.longitude <= @east
+            """
+
+        aql = f"""
         FOR node IN nodes
             FILTER node.node_type == 'logistics' OR node.node_type == null
             FILTER node.product_uuid == null
             LET types = node.transport_types != null ? node.transport_types : []
             FILTER @transport_type == null OR @transport_type IN types
             FILTER @country == null OR node.country == @country
+            {bounds_filter}
             SORT node.name ASC
             LIMIT @offset, @limit
             RETURN node
         """
 
-        try:
+        bind_vars = {
-            cursor = db.aql.execute(aql, bind_vars={
             'transport_type': transport_type,
             'country': country,
             'offset': offset,
             'limit': limit,
+        }
+
+        # Only add bounds to bind_vars if they are used
+        if west is not None and south is not None and east is not None and north is not None:
+            bind_vars.update({
+                'west': west,
+                'south': south,
+                'east': east,
+                'north': north,
             })
 
+        try:
+            cursor = db.aql.execute(aql, bind_vars=bind_vars)
+
             hubs = []
             for node in cursor:
                 hubs.append(NodeType(
@@ -1726,26 +1760,48 @@ class Query(graphene.ObjectType):
             logger.error("Error getting hubs list: %s", e)
             return []
 
-    def resolve_suppliers_list(self, info, limit=50, offset=0, country=None):
+    def resolve_suppliers_list(self, info, limit=50, offset=0, country=None,
+                               west=None, south=None, east=None, north=None):
         """Get paginated list of suppliers from graph."""
         db = get_db()
 
-        aql = """
+        # Build bounds filter if all bounds are provided
+        bounds_filter = ""
+        if west is not None and south is not None and east is not None and north is not None:
+            bounds_filter = """
+            FILTER node.latitude != null AND node.longitude != null
+            FILTER node.latitude >= @south AND node.latitude <= @north
+            FILTER node.longitude >= @west AND node.longitude <= @east
+            """
+
+        aql = f"""
         FOR node IN nodes
             FILTER node.node_type == 'supplier'
             FILTER @country == null OR node.country == @country
+            {bounds_filter}
             SORT node.name ASC
             LIMIT @offset, @limit
             RETURN node
         """
 
-        try:
+        bind_vars = {
-            cursor = db.aql.execute(aql, bind_vars={
             'country': country,
             'offset': offset,
             'limit': limit,
+        }
+
+        # Only add bounds to bind_vars if they are used
+        if west is not None and south is not None and east is not None and north is not None:
+            bind_vars.update({
+                'west': west,
+                'south': south,
+                'east': east,
+                'north': north,
             })
 
+        try:
+            cursor = db.aql.execute(aql, bind_vars=bind_vars)
+
             suppliers = []
             for node in cursor:
                 suppliers.append(SupplierType(
@@ -1760,30 +1816,52 @@ class Query(graphene.ObjectType):
             logger.error("Error getting suppliers list: %s", e)
             return []
 
-    def resolve_products_list(self, info, limit=50, offset=0):
+    def resolve_products_list(self, info, limit=50, offset=0,
+                              west=None, south=None, east=None, north=None):
         """Get paginated list of products from graph."""
         db = get_db()
 
-        aql = """
+        # Build bounds filter if all bounds are provided
+        bounds_filter = ""
+        if west is not None and south is not None and east is not None and north is not None:
+            bounds_filter = """
+            FILTER node.latitude != null AND node.longitude != null
+            FILTER node.latitude >= @south AND node.latitude <= @north
+            FILTER node.longitude >= @west AND node.longitude <= @east
+            """
+
+        aql = f"""
         FOR node IN nodes
             FILTER node.node_type == 'offer'
             FILTER node.product_uuid != null
+            {bounds_filter}
             COLLECT product_uuid = node.product_uuid INTO offers
             LET first_offer = FIRST(offers).node
             SORT first_offer.product_name ASC
             LIMIT @offset, @limit
-            RETURN {
+            RETURN {{
                 uuid: product_uuid,
                 name: first_offer.product_name
-            }
+            }}
         """
 
-        try:
+        bind_vars = {
-            cursor = db.aql.execute(aql, bind_vars={
             'offset': offset,
             'limit': limit,
+        }
+
+        # Only add bounds to bind_vars if they are used
+        if west is not None and south is not None and east is not None and north is not None:
+            bind_vars.update({
+                'west': west,
+                'south': south,
+                'east': east,
+                'north': north,
             })
 
+        try:
+            cursor = db.aql.execute(aql, bind_vars=bind_vars)
+
             products = [ProductType(uuid=p['uuid'], name=p.get('name')) for p in cursor]
             logger.info("Returning %d products (offset=%d, limit=%d)", len(products), offset, limit)
             return products