allow to use offline transcrib

config.json

@@ -2,6 +2,7 @@
 	"api": 3000,
 	"apiSsl": 3001,
 	"orchestrator": {
+		"isOffline": false,
 		"gstreamer": {
 			"host": "linsttpoc_kaldi_1",
 			"host2": "linsttcontroller_kaldi_1",
@@ -10,6 +11,13 @@
 				"recognize" : "client/dynamic/recognize"
 			}
 		},
+		"offline": {
+			"host": "linsttpoc_offline_1",
+			"port": "5000",
+			"api" : {
+				"upload" : "upload"
+			}
+		},
 		"speechEnhancement": {
 			"host": "linsttpoc_speech-enhencement_1",
 			"host2": "linsttcontroller_speech-enhencement_1",

lib/controller/offline.js

+/*
+ * Copyright (c) 2017 Linagora.
+ *
+ * This file is part of linstt-controller
+ * (see https://ci.linagora.com/linagora/lgs/labs/linstt-controller).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+module.exports = config => {
+  const request = require('request');
+  const uuidv1 = require('uuid/v1');
+
+  return {
+    transcript: (wavFile, enhancementlCallback) => {
+      const url = 'http://' + config.host + ':' + config.port + '/' + config.api.upload;
+      const uiid = uuidv1();
+
+      let myUuidString = uiid.toString();
+      let re = /-/g; 
+      myUuidString = re[Symbol.replace](myUuidString, '');
+
+      const options = {
+        url,
+        formData: {
+          wavFile: {
+            value: wavFile,
+            options: {
+              filename: myUuidString,
+              contentType: 'audio/x-wav'
+            }
+          }
+        },
+        encoding: null
+      };
+
+      request.post(options, enhancementlCallback);
+
+      return wavFile;
+    }
+  };
+};

lib/webserver/routes.js

@@ -23,6 +23,7 @@ const routesFactory = config => {
   const routes = require('express').Router();
   const enhancer = require('../controller/speech-enhancement')(config.speechEnhancement);
   const stt = require('../controller/speech-to-text')(config.gstreamer);
+  const offline = require('../controller/offline')(config.offline);
 
   routes.post('/api/transcript', (req, res) => {
     if (!req.body) {
@@ -34,22 +35,31 @@ const routesFactory = config => {
         return res.status(500).send('Error while enhancing audio.' + err);
       }
 
-      stt.transcript(body, (err, httpResponse, body) => {
-        if (err) {
-          return res.status(500).send('Error while transcript the audio.' + err);
-        } else if (body.indexOf('No workers available') !== -1) {
-          return res.status(500).send('No worker available for the moment.');
-        }
+      if(config.isOffline){
+          offline.transcript(body, (err, httpResponse, body) => {
+            const json = JSON.parse(body);
+            if (json.status === 5) {
+              return res.status(500).send('Error while transcript the audio.');
+            }
+            return res.status(200).json({message: 'transcript done', hypotheses: json});
+          });
 
-        const json = JSON.parse(body);
-        if (json.status === 5) {
-          return res.status(500).send('Error while transcript the audio.');
-        }
-        return res.status(200).json({message: 'transcript done', transcript: json});
+      } else{
+        stt.transcript(body, (err, httpResponse, body) => {
+          if (err) {
+            return res.status(500).send('Error while transcript the audio.' + err);
+          } else if (body.indexOf('No workers available') !== -1) {
+            return res.status(500).send('No worker available for the moment.');
+          }
+
+          const json = JSON.parse(body);
+          if (json.status === 5) {
+            return res.status(500).send('Error while transcript the audio.');
+          }
+          return res.status(200).json({message: 'transcript done', transcript: json});
+        });
       }
-        );
-    }
-    );
+    });
   });
   return routes;
 };

package.json

@@ -14,7 +14,8 @@
     "body-parser": "^1.18.2",
     "express": "^4.16.2",
     "express-fileupload": "^0.3.0",
-    "request": "^2.83.0"
+    "request": "^2.83.0",
+    "uuid": "^3.1.0"
   },
   "devDependencies": {
     "jest": "20.0.0",