Show connected nodes

node.go

@@ -211,7 +211,7 @@ func DeleteNode(nodeID int) (err error) { // {{{
 	}
 	return
 } // }}}
-func MoveNodes(newParentID int, nodeIDs []int) (err error) {
+func MoveNodes(newParentID int, nodeIDs []int) (err error) { // {{{
 	// TODO - implement a method to verify that a node isn't moved underneath itself.
 	// Preferably using a stored procedure?
 
@@ -230,6 +230,50 @@ func MoveNodes(newParentID int, nodeIDs []int) (err error) {
 
 	_, err = db.Exec(sql, newParentID)
 	return
-}
+} // }}}
+func GetNodeConnections(nodeID int) (connections []Node, err error) { // {{{
+	connections = []Node{}
+
+	var rows *sqlx.Rows
+	rows, err = db.Queryx(`
+		SELECT
+			n.*,
+			t.id AS type_id,
+			t.name AS type_name,
+			t.schema AS type_schema_raw,
+			t.schema->>'icon' AS type_icon
+		FROM public.connection c
+		INNER JOIN public.node n ON c.to = n.id
+		INNER JOIN public.type t ON n.type_id = t.id
+		WHERE
+			c.from = $1
+		`,
+		nodeID,
+	)
+	if err != nil {
+		err = werr.Wrap(err)
+		return
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var node Node
+		err = rows.StructScan(&node)
+		if err != nil {
+			err = werr.Wrap(err)
+			return
+		}
+
+		err = json.Unmarshal(node.TypeSchemaRaw, &node.TypeSchema)
+		if err != nil {
+			err = werr.Wrap(err)
+			return
+		}
+
+		connections = append(connections, node)
+	}
+
+	return
+} // }}}
 
 // vim: foldmethod=marker