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   1  <?php
   2  /*

   3  $Id: banner.php 3 2006-05-27 04:59:07Z user $

   4  

   5    osCMax Power E-Commerce

   6    http://oscdox.com

   7  

   8    Copyright 2006 osCMax

   9  

  10    Released under the GNU General Public License

  11  */
  12  
  13  ////

  14  // Sets the status of a banner

  15    function tep_set_banner_status($banners_id, $status) {
  16      if ($status == '1') {
  17        return tep_db_query("update " . TABLE_BANNERS . " set status = '1', date_status_change = now(), date_scheduled = NULL where banners_id = '" . (int)$banners_id . "'");
  18      } elseif ($status == '0') {
  19        return tep_db_query("update " . TABLE_BANNERS . " set status = '0', date_status_change = now() where banners_id = '" . (int)$banners_id . "'");
  20      } else {
  21        return -1;
  22      }
  23    }
  24  
  25  ////

  26  // Auto activate banners

  27    function tep_activate_banners() {
  28      $banners_query = tep_db_query("select banners_id, date_scheduled from " . TABLE_BANNERS . " where date_scheduled != ''");
  29      if (tep_db_num_rows($banners_query)) {
  30        while ($banners = tep_db_fetch_array($banners_query)) {
  31          if (date('Y-m-d H:i:s') >= $banners['date_scheduled']) {
  32            tep_set_banner_status($banners['banners_id'], '1');
  33          }
  34        }
  35      }
  36    }
  37  
  38  ////

  39  // Auto expire banners

  40    function tep_expire_banners() {
  41      $banners_query = tep_db_query("select b.banners_id, b.expires_date, b.expires_impressions, sum(bh.banners_shown) as banners_shown from " . TABLE_BANNERS . " b, " . TABLE_BANNERS_HISTORY . " bh where b.status = '1' and b.banners_id = bh.banners_id group by b.banners_id");
  42      if (tep_db_num_rows($banners_query)) {
  43        while ($banners = tep_db_fetch_array($banners_query)) {
  44          if (tep_not_null($banners['expires_date'])) {
  45            if (date('Y-m-d H:i:s') >= $banners['expires_date']) {
  46              tep_set_banner_status($banners['banners_id'], '0');
  47            }
  48          } elseif (tep_not_null($banners['expires_impressions'])) {
  49            if ( ($banners['expires_impressions'] > 0) && ($banners['banners_shown'] >= $banners['expires_impressions']) ) {
  50              tep_set_banner_status($banners['banners_id'], '0');
  51            }
  52          }
  53        }
  54      }
  55    }
  56  
  57  ////

  58  // Display a banner from the specified group or banner id ($identifier)

  59    function tep_display_banner($action, $identifier) {
  60      if ($action == 'dynamic') {
  61        $banners_query = tep_db_query("select count(*) as count from " . TABLE_BANNERS . " where status = '1' and banners_group = '" . $identifier . "'");
  62        $banners = tep_db_fetch_array($banners_query);
  63        if ($banners['count'] > 0) {
  64          $banner = tep_random_select("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_group = '" . $identifier . "'");
  65        } else {
  66          return '<b>TEP ERROR! (tep_display_banner(' . $action . ', ' . $identifier . ') -> No banners with group \'' . $identifier . '\' found!</b>';
  67        }
  68      } elseif ($action == 'static') {
  69        if (is_array($identifier)) {
  70          $banner = $identifier;
  71        } else {
  72          $banner_query = tep_db_query("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_id = '" . (int)$identifier . "'");
  73          if (tep_db_num_rows($banner_query)) {
  74            $banner = tep_db_fetch_array($banner_query);
  75          } else {
  76            return '<b>TEP ERROR! (tep_display_banner(' . $action . ', ' . $identifier . ') -> Banner with ID \'' . $identifier . '\' not found, or status inactive</b>';
  77          }
  78        }
  79      } else {
  80        return '<b>TEP ERROR! (tep_display_banner(' . $action . ', ' . $identifier . ') -> Unknown $action parameter value - it must be either \'dynamic\' or \'static\'</b>';
  81      }
  82  
  83      if (tep_not_null($banner['banners_html_text'])) {
  84        $banner_string = $banner['banners_html_text'];
  85      } else {
  86        $banner_string = '<a href="' . tep_href_link(FILENAME_REDIRECT, 'action=banner&goto=' . $banner['banners_id']) . '" target="_blank">' . tep_image(DIR_WS_IMAGES . $banner['banners_image'], $banner['banners_title']) . '</a>';
  87      }
  88  
  89      tep_update_banner_display_count($banner['banners_id']);
  90  
  91      return $banner_string;
  92    }
  93  
  94  ////

  95  // Check to see if a banner exists

  96    function tep_banner_exists($action, $identifier) {
  97      if ($action == 'dynamic') {
  98        return tep_random_select("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_group = '" . $identifier . "'");
  99      } elseif ($action == 'static') {
 100        $banner_query = tep_db_query("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_id = '" . (int)$identifier . "'");
 101        return tep_db_fetch_array($banner_query);
 102      } else {
 103        return false;
 104      }
 105    }
 106  
 107  ////

 108  // Update the banner display statistics

 109    function tep_update_banner_display_count($banner_id) {
 110      $banner_check_query = tep_db_query("select count(*) as count from " . TABLE_BANNERS_HISTORY . " where banners_id = '" . (int)$banner_id . "' and date_format(banners_history_date, '%Y%m%d') = date_format(now(), '%Y%m%d')");
 111      $banner_check = tep_db_fetch_array($banner_check_query);
 112  
 113      if ($banner_check['count'] > 0) {
 114        tep_db_query("update " . TABLE_BANNERS_HISTORY . " set banners_shown = banners_shown + 1 where banners_id = '" . (int)$banner_id . "' and date_format(banners_history_date, '%Y%m%d') = date_format(now(), '%Y%m%d')");
 115      } else {
 116        tep_db_query("insert into " . TABLE_BANNERS_HISTORY . " (banners_id, banners_shown, banners_history_date) values ('" . (int)$banner_id . "', 1, now())");
 117      }
 118    }
 119  
 120  ////

 121  // Update the banner click statistics

 122    function tep_update_banner_click_count($banner_id) {
 123      tep_db_query("update " . TABLE_BANNERS_HISTORY . " set banners_clicked = banners_clicked + 1 where banners_id = '" . (int)$banner_id . "' and date_format(banners_history_date, '%Y%m%d') = date_format(now(), '%Y%m%d')");
 124    }
 125  ?>