gistfile1.php

<?php

function azure_demo_menu() {
  $items = array();

  $items['azure-demo'] = array(
    'title' => 'Azure Demo',
    'description' => 'Azure demo.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('azure_demo_form'),
    'access callback' => TRUE
  );
  return $items;
}

function azure_demo_form($form, &$form_state) {
  $form['get'] = array(
    '#type' => 'submit',
    '#value' => t('Get all values'),
  );
  $form['post'] = array(
    '#type' => 'submit',
    '#value' => t('Send all values'),
  );
  return $form;
}

function azure_demo_form_submit($form, &$form_state) {
  $http_method = strtoupper($form_state['clicked_button']['#parents'][0]);
  $options = array(
    "headers" => array(
      "api-key" => '*****************************',
      'Content-Type' => 'application/json'
    ),
    "method" => $http_method,
  );

  $query = new EntityFieldQuery();
  $result = $query->entityCondition('entity_type', 'node')
    ->entityCondition('bundle', 'article')
    ->execute();
    $nodes = node_load_multiple(array_keys($result['node']));

    end($nodes);
    $last_node = key($nodes);
    reset($nodes);


  if ($http_method === 'POST') {
    $resource = 'indexes/drupal/docs/index';

    $options['data'] = '{"value": [';

    foreach ($nodes as $nid => $node) {

      $n = array(
        "@search.action" => "upload",
        "id" => azure_demo_node_id($node),
        "title" => azure_demo_node_title($node),
        "body" => azure_demo_node_body($node),
        "image" => azure_demo_image($node),
        "type" => azure_demo_get_type($node),
        "tags" => azure_demo_get_tags($node),
      );

      $options['data'] .= json_encode($n);

      if ($nid != $last_node) {
        $options['data'] .= ',';
      }

    }

    $options['data'] .= ']}';
  }

  elseif ($http_method === 'GET') {
    $resource = 'indexes/drupal/docs';
  }
  $result = drupal_http_request('https://nbcsportsdemo.search.windows.net/' . $resource . '?api-version=2015-02-28&search=*', $options);
  dpm(json_decode($result->data)->value);
}

function azure_demo_node_id($node) {
  return md5($node->nid);
}

function azure_demo_node_title($node) {
  return $node->title;
}

function azure_demo_node_body($node) {
  $body = strip_tags($node->body['und'][0]['safe_value']);
  $body = trim($body);
  $body = str_replace("\n", '', $body);
  return $body;
}

function azure_demo_image($node) {
 return file_create_url($node->field_image['und'][0]['uri']);
}

function azure_demo_get_type($node) {
  return $node->type;
}

function azure_demo_get_tags($node) {
  $terms = array();
  foreach ($node->field_tags['und'] as $key => $term) {
    $terms[] = db_query("SELECT name FROM taxonomy_term_data WHERE tid=:tid", array(":tid" => $term['tid']))->fetchField();
  }
  return $terms;
}