--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/lib/Chat.luan	Tue Jul 08 22:15:41 2025 -0600
@@ -0,0 +1,72 @@
+local Luan = require "luan:Luan.luan"
+local error = Luan.error
+local ipairs = Luan.ipairs or error()
+local Number = require "luan:Number.luan"
+local long = Number.long or error()
+local Time = require "luan:Time.luan"
+local time_now = Time.now or error()
+local Html = require "luan:Html.luan"
+local html_encode = Html.encode or error()
+local Db = require "site:/lib/Db.luan"
+
+
+local Chat = {}
+
+local function from_doc(doc)
+	doc.type == "chat" or error "wrong type"
+	return Chat.new {
+		id = doc.id
+		user_id = doc.chat_user_id
+		updated = doc.chat_updated
+		name = doc.name
+		ai_key = doc.ai_key
+	}
+end
+
+local function to_doc(chat)
+	return {
+		type = "chat"
+		id = chat.id
+		chat_user_id = long(chat.user_id)
+		chat_updated = long(chat.updated)
+		name = chat.name or error()
+		ai_key = chat.ai_key -- or error()
+	}
+end
+
+function Chat.new(chat)
+	chat.updated = chat.updated or time_now()
+
+	function chat.save()
+		local doc = to_doc(chat)
+		Db.save(doc)
+		chat.id = doc.id
+	end
+
+	function chat.delete()
+		Db.delete("id:"..chat.id)
+	end
+
+	function chat.name_html()
+		return html_encode(chat.name)
+	end
+
+	return chat
+end
+
+function Chat.search(query,sort,rows)
+	rows = rows or 1000000
+	local chats = {}
+	local docs = Db.search(query,1,rows,{sort=sort})
+	for _, doc in ipairs(docs) do
+		chats[#chats+1] = from_doc(doc)
+	end
+	return chats
+end
+
+function Chat.get_by_id(id)
+	local doc = Db.get_document("id:"..id)
+	return doc and doc.type=="chat" and from_doc(doc) or nil
+end
+
+return Chat