implement section-specific data reloads

1 files changed, 13 insertions, 0 deletions

diff --git a/catalogue.lua b/catalogue.lua
index 425dc17..7bd8eb0 100644
--- a/catalogue.lua
+++ b/catalogue.lua
@@ -70,6 +70,19 @@ function mt:add(entry)
 	return entry
 end
 
+function mt:prune_children(entry, is_child)
+	for _, v in ipairs(entry.children) do
+		self.data[v.id] = nil
+		if v.children then
+			self:prune_children(v, true)
+		end
+	end
+
+	if not is_child then
+		entry.children = {}
+	end
+end
+
 function mt:path_to_root(entry)
 	local path = {}