feat: lcr

lib/http-routes/api/create-call.js

@@ -91,8 +91,13 @@ router.post('/', async(req, res) => {
      * check if from-number matches any existing numbers on Jambonz
      *  */
     if (target.type === 'phone' && !target.trunk) {
-      const {lookupCarrierByPhoneNumber} = dbUtils(this.logger, srf);
-      const voip_carrier_sid = await lookupCarrierByPhoneNumber(req.body.account_sid, restDial.from);
+      const {lookupCarrierByPhoneNumber, lookupCarrierByLcr} = dbUtils(this.logger, srf);
+      // firstly LCR
+      let voip_carrier_sid = await lookupCarrierByLcr(req.body.account_sid, to);
+      if (!voip_carrier_sid) {
+        // later by phone
+        voip_carrier_sid = await lookupCarrierByPhoneNumber(req.body.account_sid, restDial.from);
+      }
       logger.info(
         `createCall: selected ${voip_carrier_sid} for requested phone number: ${restDial.from || 'unspecified'})`);
       if (voip_carrier_sid) {

lib/tasks/dial.js

@@ -399,7 +399,7 @@ class TaskDial extends Task {
     const {req, srf} = cs;
     const {getSBC} = srf.locals;
     const {lookupTeamsByAccount, lookupAccountBySid} = srf.locals.dbHelpers;
-    const {lookupCarrier, lookupCarrierByPhoneNumber} = dbUtils(this.logger, cs.srf);
+    const {lookupCarrier, lookupCarrierByPhoneNumber, lookupCarrierByLcr} = dbUtils(this.logger, cs.srf);
     const sbcAddress = this.proxy || getSBC();
     const teamsInfo = {};
     let fqdn;
@@ -467,10 +467,10 @@ class TaskDial extends Task {
 
         /**
          * trunk isn't specified,
-         * check if number matches any existing numbers
+         * check if number matches any LCR routes
          *  */
         if (t.type === 'phone' && !t.trunk) {
-          const voip_carrier_sid = await lookupCarrierByPhoneNumber(req.body.account_sid, t.number);
+          const voip_carrier_sid = lookupCarrierByLcr(req.body.account_sid, t.number);
           this.logger.info(
             `Dial:_attemptCalls: selected ${voip_carrier_sid} for requested phone number: ${t.number})`);
           if (voip_carrier_sid) {

lib/utils/db-utils.js

@@ -150,10 +150,40 @@ module.exports = (logger, srf) => {
     }
   };
 
+  const sqlQueryLcrByAccountSid = `SELECT lcr_sid FROM lcr WHERE account_sid = ? OR
+    service_provider_sid = (SELECT service_provider_sid from accounts where account_sid = ?)`;
+  const sqlQueryLcrRouteByLcrSid = 'SELECT * FROM lcr_routes WHERE lcr_sid = ? ORDER BY priority';
+  const sqlQueryLcrCarrierSetEntryByLcrRouteSid = 'SELECT * FROM lcr_carrier_set_entry WHERE lcr_route_sid = ? ORDER BY priority'
+  const lookupCarrierByLcr = async(account_sid, toNumber) => {
+    const pp = pool.promise();
+    try {
+      const[lcrs] = await pp.query(sqlQueryLcrByAccountSid, [account_sid, account_sid]);
+      if (lcrs.length) {
+        const lcr_sid = lcrs[0];
+        const [lcr_routes] = await pp.query(sqlQueryLcrRouteByLcrSid, [lcr_sid]);
+        if (lcr_routes.length) {
+          for (const r of lcr_routes) {
+            var matcher = new RegExp(r.regex);
+            if (matcher.test(toNumber)) {
+              const [entries] = await pp.query(sqlQueryLcrCarrierSetEntryByLcrRouteSid, [r.lcr_route_sid]);
+              // Currently just support first entry;
+              if(entries.length) {
+                return entries[0].voip_carrier_sid;
+              }
+            }
+          }
+        }
+      }
+    } catch (error) {
+      logger.error({err}, `lookupCarrierByLcr: Error ${account_sid}:${toNumber}`);
+    }
+  }
+
   return {
     lookupAccountDetails,
     updateSpeechCredentialLastUsed,
     lookupCarrier,
-    lookupCarrierByPhoneNumber
+    lookupCarrierByPhoneNumber,
+    lookupCarrierByLcr
   };
 };