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path: root/VNF_Catalogue/routes/vnf_tag_association.js
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/*******************************************************************************
 * Copyright (c) 2017 Kumar Rishabh and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Apache License, Version 2.0
 * which accompanies this distribution, and is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *******************************************************************************/

var express = require('express');
var router = express.Router();

/* Post controller for VNF_TAG Association */
router.post('/', function(req, res) {
  req.checkBody("tag_name", "TAG Name must not be empty").notEmpty();
  req.checkBody("vnf_name", "VNF Name must not be empty").notEmpty();

  var errors = req.validationErrors();
  console.log(errors);

  var response = '';  for(var i = 0; i < errors.length; i++) {
    console.log(errors[i]['msg']);
    response = response + errors[i]['msg'] + '; ';
  }

  if(errors) {  res.status(500);
    res.send({'error': response});
    return;
  }

  var tag_name = req.param('tag_name').toLowerCase();
  var vnf_name = req.param('vnf_name').toLowerCase();

  db_pool.getConnection(function(err, connection) {
    sql_query = 'select vnf_tag_id from vnf_tags where vnf_id = (select vnf_id from vnf where vnf_name = \'' + vnf_name + '\' limit 1) and tag_id = (select tag_id from tag where tag_name = \'' + tag_name + '\' and is_vnf_name = 0 limit 1)';
    console.log(sql_query);
    connection.query(sql_query, function (error, results, fields) {
        console.log(results);
        if (results.length >= 1) {
            connection.release();
            res.status(500);
            res.send('{"error" : "Tag VNF connection already exists...."}');
            return;
        } else {
            // Use the connection
            //sql_query = 'INSERT INTO tag SET ?'
            sql_query = 'insert into vnf_tags(vnf_id, tag_id) values ((select vnf_id from vnf where vnf_name = \'' + vnf_name + '\' limit 1), (select tag_id from tag where tag_name = \'' + tag_name + '\' and is_vnf_name = 0 limit 1))';
            console.log(sql_query);
            connection.query(sql_query, function (error, results, fields) {
                // And done with the connection.

                connection.release();

                // Handle error after the release.
                if (error) {
                    console.log(error);
                    res.status(500);
                    res.send({'error' : 'Adding vnf tag association did not succeed, Check names(rely on autocomplete)'});
                    return;
                } else {
                    res.end('{"success" : "Updated Successfully", "status" : 200}');
                    return;
                }
                // Don't use the connection here, it has been returned to the pool.
            });
        }
    });

  });

  //res.end('{"success" : "Updated Successfully", "status" : 200}');
  //res.render('vnf_tag_association', { title: 'Express' });
});

module.exports = router;