view mod_storage_mongodb/mod_storage_mongodb.lua @ 5820:742142f9771e

mod_groups_internal: Fix traceback when room doesn't exist I'm not sure if it should even be included if it doesn't exist, but I'm not currently sure how this situation occurs, so I'm implementing the lightest possible fix for now.
author Matthew Wild <mwild1@gmail.com>
date Thu, 11 Jan 2024 15:53:18 +0000
parents b21236b6b8d8
children
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local next = next;
local setmetatable = setmetatable;

local params = assert ( module:get_option("mongodb") , "mongodb configuration not found" );

prosody.unlock_globals();
local mongo = require "mongo";
prosody.lock_globals();

local json = require "util.json";

local conn

local keyval_store = {};
keyval_store.__index = keyval_store;

function keyval_store:get(username)
	local host = module.host or "_global";
	local store = self.store;

	-- The database name can't have a period in it (hence it can't be a host/ip)
	local namespace = params.dbname .. "." .. host;
	local v = { _id = { store = store ; username = username } };

	local cursor , err = conn:query ( namespace , v );
	if not cursor then return nil , err end;

	local r , err = cursor:next ( );
	if not r then return nil , err end;
	return r.data;
end

function keyval_store:set(username, data)
	local host = module.host or "_global";
	local store = self.store;

	-- The database name can't have a period in it (hence it can't be a host/ip)
	local namespace = params.dbname .. "." .. host;
	local v = { _id = { store = store ; username = username } };

	if next(data) ~= nil then -- set data
		v.data = data;
		return conn:insert ( namespace , json.encode(v) );
	else -- delete data
		return conn:remove ( namespace , v );
	end;
end

local driver = {};

function driver:open(store, typ)
	if not conn then
		conn = assert ( mongo.Connection.New ( true ) );
		assert ( conn:connect ( params.server ) );
		if params.username then
			assert ( conn:auth ( params ) );
		end
	end

	if not typ then -- default key-value store
		return setmetatable({ store = store }, keyval_store);
	end;
	return nil, "unsupported-store";
end

module:provides("storage", driver);