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lua-ngcp-kamailio/ngcp/cp.lua

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3.9 KiB

--
-- Copyright 2013-2015 SipWise Team <development@sipwise.com>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This package is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
-- .
-- On Debian systems, the complete text of the GNU General
-- Public License version 3 can be found in "/usr/share/common-licenses/GPL-3".
--
local utils = require 'ngcp.utils'
local utable = utils.table
local NGCPXAvp = require 'ngcp.xavp'
local NGCPPrefs = require 'ngcp.pref'
-- class NGCPContractPrefs
local NGCPContractPrefs = {
__class__ = 'NGCPContractPrefs'
}
local NGCPContractPrefs_MT = { __index = NGCPContractPrefs }
NGCPContractPrefs_MT.__tostring = function ()
local output
local xavp = NGCPXAvp:new('caller','contract_prefs')
output = string.format("caller_contract_prefs:%s\n", tostring(xavp))
xavp = NGCPXAvp:new('callee','contract_prefs')
output = output .. string.format("callee_contract_prefs:%s\n", tostring(xavp))
return output
end
function NGCPContractPrefs:new(config)
local t = {
config = config,
db_table = "contract_preferences"
}
-- creates xavp contract
NGCPPrefs.init("contract_prefs")
return setmetatable( t, NGCPContractPrefs_MT )
end
function NGCPContractPrefs:caller_load(contract)
if not contract then
return {}
end
return NGCPContractPrefs._load(self,"caller",contract)
end
function NGCPContractPrefs:callee_load(contract)
if not contract then
return {}
end
return NGCPContractPrefs._load(self,"callee",contract)
end
function NGCPContractPrefs:_defaults(_)
local defaults = self.config:get_defaults('contract')
local keys = {}
if defaults then
for k,_ in pairs(defaults) do
table.insert(keys, k)
end
end
return keys, defaults
end
function NGCPContractPrefs:_load(level, contract)
local con = self.config:getDBConnection()
local query = "SELECT * FROM " .. self.db_table .. " WHERE uuid ='" .. contract .."'"
local cur = con:execute(query)
local defaults
local keys
local result = {}
local row = cur:fetch({}, "a")
local xavp
keys, defaults = self:_defaults(level)
if row then
while row do
table.insert(result, row)
utable.add(keys, row.attribute)
defaults[row.attribute] = nil
row = cur:fetch({}, "a")
end
else
sr.log("dbg", string.format("no results for query:%s", query))
end
cur:close()
xavp = self:xavp(level, result)
for k,v in pairs(defaults) do
xavp(k, v)
end
return keys
end
function NGCPContractPrefs:xavp(level, l)
if level ~= 'caller' and level ~= 'callee' then
error(string.format("unknown level:%s. It has to be [caller|callee]", tostring(level)))
end
return NGCPXAvp:new(level,'contract_prefs', l)
end
function NGCPContractPrefs:clean(vtype)
if not vtype then
NGCPContractPrefs:xavp('callee'):clean()
NGCPContractPrefs:xavp('caller'):clean()
else
NGCPContractPrefs:xavp(vtype):clean()
end
end
-- class
return NGCPContractPrefs