Add processing for upload dlock

services/integration/processingStatus.js

@@ -0,0 +1,46 @@
+'use strict';
+
+const db = require('../../models/index');
+
+const setProcessingValue = (value) => {
+    return new Promise((resolve, reject) => {
+        const values = {processing: value};
+        db.processing.update(values, {where:{}})
+            .then(() => {
+                resolve(true);
+            })
+            .catch((error) => reject(error));
+    });
+};
+
+const setStartProcessing = () => {
+    return setProcessingValue(true);
+};
+
+const setDoneProcessing = () => {
+    return setProcessingValue(false);
+};
+
+const checkIfProcessing = () => {
+    return new Promise((resolve, reject) => {
+        db.processing.findAll()
+            .then((results) => {
+                if (results && results.length > 0){
+                    resolve(results[0].getDataValue('processing'));
+                }else{
+                    db.processing.bulkCreate([{processing: false}])
+                        .then(() => {
+                            resolve(false);
+                        })
+                        .catch((error) => reject(error));
+                }
+            })
+            .catch((error) => reject(error));
+    });
+};
+
+module.exports = {
+    setStartProcessing,
+    setDoneProcessing,
+    checkIfProcessing
+};