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<?php |
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// $Id: graphstat_statistics.inc,v 1.2.2.1 2009/01/25 14:32:28 profix898 Exp $ |
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/** |
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* Implementation of hook_graphstat(). |
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*/ |
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function graphstat_system_graphstat() { |
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$graphs = array(); |
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$graphs['history'] = array( |
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'#title' => t('History'), |
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'graph_nodes' => array( |
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'#title' => t('Number of Nodes'), |
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'#xlabel' => t('Date (MM/DD/YYYY)'), |
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'#ylabel' => t('# Nodes') |
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), |
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'graph_users' => array( |
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'#title' => t('Number of Users'), |
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'#xlabel' => t('Date (MM/DD/YYYY)'), |
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'#ylabel' => t('# Users') |
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) |
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); |
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if (module_exists('comment')) { |
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$graphs['history']['graph_comments'] = array( |
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'#title' => t('Number of Comments'), |
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'#xlabel' => t('Date (MM/DD/YYYY)'), |
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'#ylabel' => t('# Comments') |
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); |
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} |
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return $graphs; |
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} |
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/** |
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* Implementation of hook_graphstat_data(). |
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*/ |
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function graphstat_system_graphstat_data() { |
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$data = array(); |
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$data['history']['graph_nodes'] = graphstat_statistics_tablehistory(); |
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$data['history']['graph_users'] = graphstat_statistics_tablehistory('users', 'uid'); |
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if (module_exists('comment')) { |
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$data['history']['graph_comments'] = graphstat_statistics_tablehistory('comments', 'cid'); |
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} |
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return $data; |
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} |
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/** |
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* Function graphstat_statistics_tablehistory(). |
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*/ |
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function graphstat_statistics_tablehistory($table = 'node', $id = 'nid', $fragment = '', $points = 0, $timestamp = 0) { |
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$data = array(); |
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$key = in_array($table, array('node', 'users')) ? 'created' : 'timestamp'; |
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$timestamp = $timestamp ? $timestamp : db_result(db_query('SELECT MIN(%s) FROM {%s} WHERE %s != 0', $key, $table, $id)); |
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if ($timestamp) { |
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// One point per week (at least 15 points) |
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if (!$points) { |
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$points = max((time() - $timestamp) / (60*60*24*7), 15); |
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while ($points > 30) { |
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$points /= 2; |
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} |
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} |
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$interval = round((time() - $timestamp) / ($points - 1), 0); |
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$time = $timestamp; |
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for ($i = 0; $i < $points; $i++) { |
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$data[format_date($time, 'custom', 'm/d/Y')] = db_result(db_query('SELECT COUNT(DISTINCT(%s)) FROM {%s} WHERE %s <= %d AND %s <> 0 %s', $id, $table, $key, $time, $id, $fragment)); |
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$time += $interval; |
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} |
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} |
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return $data; |
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} |
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