--- a/src/index.html.luan	Tue Mar 04 07:05:12 2025 -0700
+++ b/src/index.html.luan	Tue Mar 04 07:38:43 2025 -0700
@@ -25,37 +25,29 @@
 local Db = require "site:/lib/Db.luan"
 local run_in_transaction = Db.run_in_transaction or error()
 local Chat = require "site:/lib/Chat.luan"
-local chat_search = Chat.search or error()
+local get_chat_by_user_ids = Chat.get_by_user_ids or error()
 local Logging = require "luan:logging/Logging.luan"
 local logger = Logging.logger "index.html"
 
 
 local function get_chat(with)
-	local t = {}
 	local ids = {}
 	for email in pairs(with) do
 		local with_user = get_user_by_email(email) or error()
 		local id = with_user.id
-		t[#t+1] = "+chat_user_ids:"..id
 		ids[#ids+1] = id
 	end
-	local query = concat(t," ")
 	local need_push = false
 	local chat = run_in_transaction( function()
-		local chats = chat_search(query)
-		local n = #chats
-		if n == 0 then
-			local chat = Chat.new{
+		local chat = get_chat_by_user_ids(ids)
+		if chat == nil then
+			chat = Chat.new{
 				user_ids = ids
 			}
 			chat.save()
 			need_push = true
-			return chat
-		elseif n == 1 then
-			return chats[1]
-		else
-			error("multiple chats for: "..query)
 		end
+		return chat
 	end )
 	if need_push then
 		local js = "getChats('"..chat.id.."')"