add support for LCC updateCall with conferenceParticipantState (#296)

* add support for LCC updateCall with conferenceParticipantState

* wip

* wip

lib/routes/api/accounts.js

@@ -265,7 +265,8 @@ function validateUpdateCall(opts) {
     'sip_request',
     'record',
     'tag',
-    'dtmf'
+    'dtmf',
+    'conferenceParticipantAction'
   ]
     .reduce((acc, prop) => (opts[prop] ? ++acc : acc), 0);
 
@@ -316,6 +317,19 @@ function validateUpdateCall(opts) {
   if (opts.tag && (typeof opts.tag !== 'object' || Array.isArray(opts.tag) || opts.tag === null)) {
     throw new DbErrorBadRequest('invalid tag data');
   }
+  if (opts.conferenceParticipantAction) {
+    if (!['tag', 'untag', 'coach', 'uncoach', 'mute', 'unmute', 'hold', 'unhold']
+      .includes(opts.conferenceParticipantAction.action)) {
+      throw new DbErrorBadRequest(
+        `conferenceParticipantAction invalid action property ${opts.conferenceParticipantAction.action}`);
+    }
+    if ('tag' == opts.conferenceParticipantAction.action && !opts.tag) {
+      throw new DbErrorBadRequest('conferenceParticipantAction requires tag property when action is \'tag\'');
+    }
+    if ('coach' == opts.conferenceParticipantAction.action && !opts.tag) {
+      throw new DbErrorBadRequest('conferenceParticipantAction requires tag property when action is \'coach\'');
+    }
+  }
 }
 
 function validateTo(to) {