source: plugins/dcLibFoursquare/inc/lib.social.reader.srv.foursquare.php @ 2955

<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
# This file is part of dcLibFoursquare, a plugin for Dotclear 2.
# 
# Copyright (c) 2009-2011 JC Denis and contributors
# jcdenis@gdwd.com
# 
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# -- END LICENSE BLOCK ------------------------------------

if (!defined('DC_RC_PATH')){return;}

# Add foursquare to plugin soCialMe (reader part)
class foursquareSoCialMeReaderService extends soCialMeService
{
     protected $part = 'reader';
     
     protected $define = array(
          'id' => 'foursquare',
          'name' => 'Foursquare',
          'home' => 'http://foursquare.com',
          'icon' => 'pf=dcLibFoursquare/icon.png'
     );
     
     protected $actions = array(
          'playServerScript' => true,
          'playWidgetContent' => true,
          'playPageContent' => true
     );
     
     private $oauth = false;
     private $cache_timeout = 300; //5 minutes
     private $chekins_returned = 20;
     
     protected function init()
     {
          # read facebook app settings for admin side
          $oauth_settings = foursquareUtils::decodeApp('admin');
          
          # Required plugin oAuthManager
          # Used name of parent plugin
          if (!empty($oauth_settings['client_id']) && soCialMeUtils::checkPlugin('oAuthManager','0.2-alpha1'))
          {
               $this->oauth = oAuthClient::load($this->core,'foursquare',
                    array(
                         'user_id' => null,
                         'plugin_id' => 'soCialMeReader',
                         'plugin_name' => __('SoCialMe Reader'),
                         'token' => $oauth_settings['client_id'], //app_id
                         'secret' => $oauth_settings['client_secret'] //app_secret
                    )
               );
          }
          
          if (false === $this->oauth)
          {
               $this->available = false;
               return false;
          }
          
          $this->available = true;
          return true;
     }
     
     public function adminSave($service_id,$admin_url)
     {
          if (!$this->available || $service_id != $this->id) return;
          
          $request_step = !empty($_REQUEST['step']) ? $_REQUEST['step'] : null;
          
          if (!$request_step)
          {
               return;
          }
          elseif ($request_step == 'request')
          {
               $this->oauth->getRequestToken($admin_url.'&step=callback');
          }
          elseif ($request_step == 'callback' && !empty($_REQUEST['code']))
          {
               $this->oauth->getAccessToken($admin_url.'&step=callback','json');
          }
          elseif ($request_step == 'clean')
          {
               $this->oauth->removeToken();
          }
          return;
     }
     
     public function adminForm($service_id,$admin_url)
     {
          if (!$this->available)
          {
               $res = '<p>'.sprintf(__('In order to use %s on your blog, a super admin must register an %s app.'),$this->oauth->config('client_name')).'</p>';
          }
          else
          {
               $admin_url = str_replace('&','&amp;',$admin_url);
               
               $res = '<p>';
               if ($this->oauth->state() == 1)
               {
                    $res .= '<a class="button" href="'.$admin_url.'&amp;step=clean">'.sprintf(__('Something went wrong, clean acces of %s from %s'),$this->oauth->config('plugin_name'),$this->oauth->config('client_name')).'</a>';
               }
               elseif ($this->oauth->state() == 2)
               {
                    $user = $this->oauth->info('name');
                    if ($user)
                    {
                         $res .= '<p>'.sprintf(__('Your are connected as "%s"'),$user).'</p>';
                    }
                    $res .= '<a class="button" href="'.$admin_url.'&amp;step=clean">'.sprintf(__('Disconnet %s from %s'),$this->oauth->config('plugin_name'),$this->oauth->config('client_name')).'</a>';
               }
               elseif ($this->oauth->state() == 0)
               {
                    $res .= '<a class="button" href="'.$admin_url.'&amp;step=request">'.sprintf(__('Connect %s to %s'),$this->oauth->config('plugin_name'),$this->oauth->config('client_name')).'</a>';
               }
               $res .= '</p>';
          }
          return $res;
     }
     
     # Put last user checkins into cache file
     public function playServerScript($available)
     {
          if (!$this->available || $this->oauth->state() != 2) return;
          
          #
          # Cache for user checkins
          #
          
          # cache filename
          $file_user_checkins = $this->core->blog->id.$this->id.'user_checkins';
          
          # check cache expiry
          if((isset($available['Widget']) && in_array($this->id,$available['Widget']) 
           || isset($available['Page']) && in_array($this->id,$available['Page'])) 
          && soCialMeCacheFile::expired($file_user_checkins,'enc',$this->cache_timeout))
          {
               # call API
               $params = array(
                    'limit' => (integer) $this->chekins_returned
               );
               $rsp = foursquareUtils::api($this->oauth,'users/self/checkins',$params);
               //echo '<pre style="text-align:left;">'.print_r($rsp,true).'</pre>';exit(1);
               if ($rsp && $rsp->checkins->count)
               {
                    $rs = $rsp->checkins->items;
                    
                    # Parse response
                    $records = null;
                    $i = 0;
                    foreach($rs as $record)
                    {
                         $records[$i]['service'] = $this->id;
                         $records[$i]['author'] = $this->oauth->info('name');
                         $records[$i]['source_name'] = $this->name;
                         $records[$i]['source_url'] = $this->home;
                         $records[$i]['source_icon'] = $this->icon;
                         
                         $records[$i]['me'] = true;
                         $records[$i]['date'] = $record->createdAt;
                         $records[$i]['url'] = 'http://foursquare.com/user/'.$this->oauth->info('id').'/checkin/'.$record->id;
                         
                         if ($record->venue)
                         {
                              $records[$i]['title'] = sprintf(__('%s went through %s'),$this->oauth->info('name'),$record->venue->name);
                         }
                         if ($record->shout)
                         {
                              $records[$i]['content'] = $record->shout;
                         }
                         elseif ($record->venue && $record->venue->location)
                         {
                              $content = array();
                              if ($record->venue->location->address) $content[] = $record->venue->location->address;
                              if ($record->venue->location->address) $content[] = $record->venue->location->city;
                              
                              $records[$i]['content'] = implode(', ',$content);
                         }
                         if ($record->venue && $record->venue->categories)
                         {
                              $records[$i]['avatar'] = $record->venue->categories[0]->icon;
                              $records[$i]['icon'] = $record->venue->categories[0]->icon;
                         }
                         
                         $i++;
                    }
                    # Create cache file
                    if (!empty($records)) {
                         soCialMeCacheFile::write($file_user_checkins,'enc',soCialMeUtils::encode($records));
                    }
               }
          }
     }
     
     public function playWidgetContent()
     {
          return self::parseContent();
     }
     
     public function playPageContent()
     {
          return self::parseContent();
     }
     
     private function parseContent()
     {
          if (!$this->available) return;
          # cache filename
          $file = $this->core->blog->id.$this->id.'user_checkins';
          # Read cache content
          $content = soCialMeCacheFile::read($file,'enc');
          if (empty($content)) return;
          # Parse content
          return soCialMeUtils::decode($content);
     }
}
?>