first commit

src/excel/ExcelUtil.js

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+const xlsx = require('node-xlsx');
+const ContactPojo = require("../models/ContactPojo");
+
+class ExcelUtil {
+
+    readContacts() {
+        let workSheetsFromFile = xlsx.parse('/Users/lpan/Desktop/contact_all.xlsx');
+        console.log(workSheetsFromFile);
+        //    return a list of contactPojo
+        let contactList = [];
+        workSheetsFromFile[0].data.forEach(
+            (info, index, list) => {
+                // console.log("info:" + info)
+                // console.log("index:" + index)
+                if (index > 0) {
+                    let name = info[0].split(" ")
+                    let firstName = name[1];
+                    let lastName = name[0];
+                    let phoneNumber = info[1];
+                    let passportNumber = info[2];
+                    let mail = info[3];
+                    let newContact = new ContactPojo(phoneNumber, passportNumber, lastName, firstName, mail);
+                    contactList.push(newContact);
+                }
+            }
+        )
+        return contactList;
+    }
+}
+
+module.exports = ExcelUtil