API Cashing

Creating cashing API

API using curl

/**
*
* Gets url param from POST / AJAX param
* url: should be a valid URL
*/
public function state()
{

   if ($_SERVER['REQUEST_METHOD'] === 'POST' && empty($_POST)) {
       $_POST = json_decode(file_get_contents('php://input'), true);
   }

   $url = array_var($_POST, 'url');

   $response = array(
       'url' => $url
   );

   if ( $url && filter_var($url, FILTER_VALIDATE_URL) ) {
       $ch = curl_init();
       curl_setopt($ch, CURLOPT_URL, $url);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
       curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
       curl_setopt($ch, CURLOPT_TIMEOUT, 5);
       curl_exec($ch);

       $response = curl_getinfo($ch);

       curl_close($ch);
   }

   $this->response($response);

}

// servers
function caching_servers()
{
   $siteTools = $GLOBALS['VoipServers'];

   if (SERVER === 'adhoc' || SERVER === 'preview') {
       $siteTools = array(
           'site-tools.adhoc'
       );
   } else if (SERVER === 'development') {
       $siteTools = array(
           'site-tools.development'
       );
   }

   tpl_assign('voipServers', $siteTools);
}


views

<div class="content-box">
   <div class="content-box-header"><h3>Caching servers</h3></div>
   <div class="content-box-content">
       <table id="site-table" class="default">

           <thead>
               <tr>

                   <th>IP Address</th>
                   <th>APC</th>
                   <th>Status</th>
                   <th>Memcache Link</th>

               </tr>
           </thead>

           <tbody>
               <?php foreach($voipServers as $index => $server): ?>
                   <tr>
                       <td>
                           <?php echo link_to($server, 'http://' . $server, array('target' => '_blank')); ?>
                       </td>
                       <td>
                           <?php echo link_to('APC Info', 'http://' . $server . '/apc/index.php', array('class' => 'button', 'target' => '_blank')); ?>
                       </td>
                       <td>
                           <span data-server-url="<?php echo 'http://' . $server; ?>" class="server-state" id="server-state-<?php echo $index; ?>"></span>
                       </td>
                       <td>
                           <?php echo link_to('Memcache Info', 'http://' . $server . '/memcache/index.php', array('class' => 'button', 'target' => '_blank')); ?>
                       </td>
                   </tr>
               <?php endforeach; ?>
               <tr>
                   <td>&nbsp;</td>
                   <td>
                       <?php echo link_to('Clear All User', '#', array('class' => 'button clear_user_server', 'data-servers' => json_encode($voipServers))); ?>
                       <?php echo link_to('Clear All System', '#', array('class' => 'button clear_system_server', 'data-servers' => json_encode($voipServers))); ?>
                       <?php echo link_to('Clear All', '#', array('class' => 'button clear_all_server', 'data-servers' => json_encode($voipServers))); ?>
                   </td>
                   <td>
                       <button id="check-server-status" class="button">Check</button>
                   </td>
                   <td>&nbsp;</td>
               </tr>
           </tbody>

       </table>

   </div>
</div>


<?php if(false): ?> <script> <?php endif; ?>

<?php
   ob_start();
?>

   $('.clear_user_server').click(function() {
       deleteApc($(this).data('servers'), 'user', $(this));
   });

   $('.clear_system_server').click(function() {
       deleteApc($(this).data('servers'), 'system', $(this));
   });

   $('.clear_all_server').click(function() {
       deleteApc($(this).data('servers'), 'all', $(this));
   });

   $('#check-server-status').click(function(){

       function setStateInitial(elem) {
           elem.attr('class', 'server-state');
       }

       function setStateRequesting(elem) {
           setStateInitial(elem);
           elem.addClass('server-state-requesting');
       }

       function setStateSuccess(elem) {
           setStateInitial(elem);
           elem.addClass('server-state-success');
       }

       function setStateError(elem) {
           setStateInitial(elem);
           elem.addClass('server-state-error');
       }

       $('.server-state').each(function(i, obj) {
           var elem = $(obj);
           var url = elem.attr('data-server-url');

           $.ajax({
               url: '/api/caching/state',
               type: 'POST',
               data: {
                   'url': url
               },
               beforeSend: function() {
                   // make icon yellow
                   setStateRequesting(elem);
               },
               success: function(response) {
                   // make icon green or red depending on http_code
                   console.log(response.url + ':' + response.http_code);

                   if ( response.http_code == 200 ) {
                       setStateSuccess(elem);
                   } else {
                       setStateError(elem);
                   }
               },
               error: function(error) {
                   console.error(error);
                   setStateError(elem);
               }
           });
       });
   });

   var deleteApc = function(servers, type, button) {
       var errorButton = function() {
           button.html('Error');
           button.attr('style', 'background: red!important');
       }

       var origButton = function(origText) {
           button.html(origText);
           button.removeAttr('disabled');
       }

       if (!button.is('[disabled]')) {

           var origText = button.html();
           button.attr("disabled", "disabled");
           button.html('Deleting...');

           $.ajax({
               url : '/api/caching/delete_apc',
               type: 'POST',
               data : {'type': type, 'servers': servers},
               success: function(data) {

                   var res = data;

                   if (res.status === 'success') {
                       button.html('Success');
                   } else {
                       errorButton();
                   }

                   setTimeout(function() {
                       origButton(origText);
                   }, 5000);
               },
               error: function () {
                   errorButton();

                   setTimeout(function() {
                       origButton(origText);
                   }, 5000);
               }
           });
       }
   }

<?php
   $js = ob_get_clean();
?>

<?php if(false): ?> </script> <?php endif; ?>

<?php add_inline_javascript_to_page($js); ?>