support filter phone numbers (#447)

lib/routes/api/phone-numbers.js

@@ -97,10 +97,27 @@ decorate(router, PhoneNumber, ['add', 'update', 'delete'], preconditions);
 /* list */
 router.get('/', async(req, res) => {
   const logger = req.app.locals.logger;
+  const {account_sid, filter} = req.query;
   try {
-    const results = req.user.hasServiceProviderAuth ?
-      await PhoneNumber.retrieveAllForSP(req.user.service_provider_sid) :
-      await PhoneNumber.retrieveAll(req.user.hasAccountAuth ? req.user.account_sid : null);
+    let results = [];
+    if (req.user.hasAccountAuth) {
+      results = await PhoneNumber.retrieveAllByCriteria({
+        account_sid: req.user.account_sid,
+        filter
+      });
+    } else if (req.user.hasServiceProviderAuth) {
+      results = await PhoneNumber.retrieveAllByCriteria({
+        service_provider_sid: req.user.service_provider_sid,
+        account_sid,
+        filter
+      });
+    } else if (req.user.hasAdminAuth) {
+      results = await PhoneNumber.retrieveAllByCriteria({
+        account_sid,
+        filter
+      });
+    }
+
     res.status(200).json(results);
   } catch (err) {
     sysError(logger, res, err);