@nethesis/astproxy
Version:
Node.js proxy for Asterisk PBX
244 lines (213 loc) • 7.42 kB
JavaScript
/**
* @submodule plugins_command_13
*/
var action = require('../action');
var CF_TYPES = require('../proxy_logic_13/util_call_forward_13').CF_TYPES;
var CFVM_PREFIX_CODE = require('../proxy_logic_13/util_call_forward_13').CFVM_PREFIX_CODE;
/**
* The module identifier used by the logger.
*
* @property IDLOG
* @type string
* @private
* @final
* @readOnly
* @default [cfuGet]
*/
var IDLOG = '[cfuGet]';
(function() {
/**
* The logger. It must have at least three methods: _info, warn and error._
*
* @property logger
* @type object
* @private
* @default console
*/
var logger = console;
try {
/**
* Map associations between ActionID and callback to execute at the end
* of the command.
*
* @property map
* @type {object}
* @private
*/
var map = {};
/**
* Command plugin to get the call forward status by no answer of an extension.
*
* Use it with _astproxy_ module as follow:
*
* astproxy.doCmd({ command: 'cfuGet', exten: '214' }, function (res) {
* // some code
* });
*
* @class cfuGet
* @static
*/
var cfuGet = {
/**
* Execute asterisk action to get the call forward status by no answer.
*
* @method execute
* @param {object} am Asterisk manager used to send the action
* @param {object} args The object containing optional parameters
* @param {function} cb The callback function
* @static
*/
execute: function(am, args, cb) {
try {
// action for asterisk
var act = {
Action: 'DBGet',
Family: 'CFU',
Key: args.exten
};
// set the action identifier
act.ActionID = action.getActionId('cfuGet_' + args.exten);
// add association ActionID-callback
map[act.ActionID] = cb;
// send action to asterisk
am.send(act);
} catch (err) {
logger.error(IDLOG, err.stack);
}
},
/**
* It is called from _astproxy_ component for each data received
* from asterisk and relative to this command.
*
* @method data
* @param {object} data The asterisk data for the current command
* @static
*/
data: function(data) {
try {
var pre;
// get the extension number from the action id
var exten = data.actionid.split('_')[1];
// check callback and info presence and execute it
if (map[data.actionid] && data.event === 'DBGetResponse' &&
data.family === 'CF' &&
data.val) {
// check if the destination of the call forward is a something different
// from a voicemail. If it's to voicemail then the result is false. This
// is because the call forward to voicemail is checked with another
// command plugin. The call forward and the call forward to voicemail use
// the same key database: CF, but the second adds a prefix to it
var isCf2Vm = false;
for (pre in CFVM_PREFIX_CODE) { // cycle in each cf to voicemail prefix code
// check if the call forward value start with the prefix code. If it's
// the call forward is to voicemail
if (data.val.substring(0, pre.length) === pre) {
isCf2Vm = true;
break;
}
}
if (isCf2Vm) {
map[data.actionid](null, {
exten: exten,
status: 'off',
cf_type: CF_TYPES.unconditional
});
} else {
map[data.actionid](null, {
exten: exten,
status: 'on',
cf_type: CF_TYPES.unconditional,
to: data.val
});
}
delete map[data.actionid]; // remove association ActionID-callback
} else if (map[data.actionid] && data.response === 'Error') {
map[data.actionid](null, {
exten: exten,
status: 'off',
type: CF_TYPES.unconditional
});
delete map[data.actionid]; // remove association ActionID-callback
}
// get the extension number from the action id
exten = data.actionid.split('_')[1];
// check callback and info presence and execute it
if (map[data.actionid] && data.event === 'DBGetResponse' &&
data.family === 'CFU' &&
data.val) {
// check if the destination of the call forward is a something different
// from a voicemail. If it's to voicemail then the result is false. This
// is because the call forward to voicemail is checked with another
// command plugin. The call forward unavailable and the call forward unavailable to voicemail use
// the same key database: CFU, but the second adds a prefix to it
var isCfu2Vm = false;
for (pre in CFVM_PREFIX_CODE) { // cycle in each cf to voicemail prefix code
// check if the call forward value start with the prefix code. If it's
// the call forward is to voicemail
if (data.val.substring(0, pre.length) === pre) {
isCfu2Vm = true;
break;
}
}
if (isCfu2Vm) {
map[data.actionid](null, {
exten: exten,
status: 'off',
cf_type: CF_TYPES.unavailable
});
} else {
map[data.actionid](null, {
exten: exten,
status: 'on',
cf_type: CF_TYPES.unavailable,
to: data.val
});
}
delete map[data.actionid]; // remove association ActionID-callback
} else if (map[data.actionid] && data.response === 'Error') {
map[data.actionid](null, {
cf_type: CF_TYPES.unavailable,
exten: exten,
status: 'off'
});
delete map[data.actionid]; // remove association ActionID-callback
}
} catch (err) {
logger.error(IDLOG, err.stack);
if (map[data.actionid]) {
map[data.actionid](err);
delete map[data.actionid]; // remove association ActionID-callback
}
}
},
/**
* Set the logger to be used.
*
* @method setLogger
* @param {object} log The logger object. It must have at least
* three methods: _info, warn and error_
* @static
*/
setLogger: function(log) {
try {
if (typeof log === 'object' &&
typeof log.info === 'function' &&
typeof log.warn === 'function' &&
typeof log.error === 'function') {
logger = log;
} else {
throw new Error('wrong logger object');
}
} catch (err) {
logger.error(IDLOG, err.stack);
}
}
};
// public interface
exports.data = cfuGet.data;
exports.execute = cfuGet.execute;
exports.setLogger = cfuGet.setLogger;
} catch (err) {
logger.error(IDLOG, err.stack);
}
})();