google custom voice (#245)

* google custom voice

* wip

* wip

* fix failing testcase

lib/routes/api/google-custom-voices.js

@@ -0,0 +1,77 @@
+const router = require('express').Router();
+const GoogleCustomVoice = require('../../models/google-custom-voice');
+const SpeechCredential = require('../../models/speech-credential');
+const decorate = require('./decorate');
+const {DbErrorBadRequest, DbErrorForbidden} = require('../../utils/errors');
+const sysError = require('../error');
+
+const validateCredentialPermission = async(req) => {
+  const credential = await SpeechCredential.retrieve(req.body.speech_credential_sid);
+  if (!credential || credential.length === 0) {
+    throw new DbErrorBadRequest('Invalid speech_credential_sid');
+  }
+  const cred = credential[0];
+
+  if (req.user.hasServiceProviderAuth && cred.service_provider_sid !== req.user.service_provider_sid) {
+    throw new DbErrorForbidden('Insufficient privileges');
+  }
+  if (req.user.hasAccountAuth && cred.account_sid !== req.user.account_sid) {
+    throw new DbErrorForbidden('Insufficient privileges');
+  }
+};
+
+const validateAdd = async(req) => {
+  if (!req.body.speech_credential_sid) {
+    throw new DbErrorBadRequest('missing speech_credential_sid');
+  }
+
+  await validateCredentialPermission(req);
+};
+
+const validateUpdate = async(req) => {
+  if (req.body.speech_credential_sid) {
+    await validateCredentialPermission(req);
+  }
+};
+
+const preconditions = {
+  add: validateAdd,
+  update: validateUpdate,
+};
+
+decorate(router, GoogleCustomVoice, ['add', 'retrieve', 'update', 'delete'], preconditions);
+
+router.get('/', async(req, res) => {
+  const logger = req.app.locals.logger;
+  const account_sid = req.user.account_sid || req.query.account_sid;
+  const service_provider_sid = req.user.service_provider_sid || req.query.service_provider_sid;
+  const speech_credential_sid = req.query.speech_credential_sid;
+  const label = req.query.label;
+  try {
+    let results = [];
+    if (speech_credential_sid) {
+      const [cred] = await SpeechCredential.retrieve(speech_credential_sid);
+      if (!cred) {
+        return res.sendStatus(404);
+      }
+      if (account_sid && cred.account_sid && cred.account_sid !== account_sid) {
+        throw new DbErrorForbidden('Insufficient privileges');
+      }
+      if (service_provider_sid && cred.service_provider_sid && cred.service_provider_sid !== service_provider_sid) {
+        throw new DbErrorForbidden('Insufficient privileges');
+      }
+      results = await GoogleCustomVoice.retrieveAllBySpeechCredentialSid(speech_credential_sid);
+    } else {
+      if (!account_sid && !service_provider_sid) {
+        throw new DbErrorBadRequest('missing account_sid or service_provider_sid in query parameters');
+      }
+      results = await GoogleCustomVoice.retrieveAllByLabel(service_provider_sid, account_sid, label);
+    }
+    res.status(200).json(results);
+  } catch (err) {
+    sysError(logger, res, err);
+  }
+});
+
+
+module.exports = router;