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<?php |
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/** |
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* |
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* @package sitemaker |
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* @copyright (c) 2013 Daniel A. (blitze) |
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 |
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* |
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*/ |
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namespace blitze\sitemaker\blocks; |
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use blitze\sitemaker\services\blocks\driver\block; |
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class wordgraph extends block |
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{ |
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/** @var \phpbb\auth\auth */ |
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protected $auth; |
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/** @var \phpbb\content_visibility */ |
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protected $content_visibility; |
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/** @var \phpbb\db\driver\driver_interface */ |
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protected $db; |
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/** @var string */ |
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protected $phpbb_root_path; |
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/** @var string */ |
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protected $php_ext; |
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/** @var int */ |
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protected $cache_time; |
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/** |
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* Constructor |
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* |
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* @param \phpbb\auth\auth $auth Auth object |
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* @param \phpbb\content_visibility $content_visibility Content visibility |
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* @param \phpbb\db\driver\driver_interface $db Database connection |
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* @param string $phpbb_root_path phpBB root path |
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* @param string $php_ext phpEx |
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*/ |
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public function __construct(\phpbb\auth\auth $auth, \phpbb\content_visibility $content_visibility, \phpbb\db\driver\driver_interface $db, $phpbb_root_path, $php_ext, $cache_time = 10800) |
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{ |
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$this->auth = $auth; |
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$this->content_visibility = $content_visibility; |
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$this->db = $db; |
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$this->phpbb_root_path = $phpbb_root_path; |
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$this->php_ext = $php_ext; |
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$this->cache_time = $cache_time; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get_config(array $settings) |
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{ |
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return array( |
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'legend1' => 'SETTINGS', |
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'show_word_count' => array('lang' => 'SHOW_WORD_COUNT', 'validate' => 'bool', 'type' => 'radio:yes_no', 'explain' => false, 'default' => 0), |
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'max_num_words' => array('lang' => 'MAX_WORDS', 'validate' => 'int:0:255', 'type' => 'number:0:255', 'maxlength' => 2, 'explain' => false, 'default' => 15), |
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'max_word_size' => array('lang' => 'WORD_MAX_SIZE', 'validate' => 'int:0:55', 'type' => 'number:0:55', 'maxlength' => 2, 'explain' => false, 'default' => 25, 'append' => 'PIXEL'), |
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'min_word_size' => array('lang' => 'WORD_MIN_SIZE', 'validate' => 'int:0:20', 'type' => 'number:0:20', 'maxlength' => 2, 'explain' => false, 'default' => 9, 'append' => 'PIXEL'), |
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'exclude_words' => array('lang' => 'EXCLUDE_WORDS', 'validate' => 'string', 'type' => 'textarea:5:50', 'maxlength' => 255, 'explain' => true, 'default' => ''), |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function display(array $bdata, $edit_mode = false) |
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{ |
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$settings = $bdata['settings']; |
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$block = array( |
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'title' => 'WORDGRAPH', |
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'content' => '', |
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); |
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$words_array = $this->get_words($settings); |
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if (sizeof($words_array)) |
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{ |
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$this->show_graph($words_array, $settings); |
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$block['content'] = $this->ptemplate->render_view('blitze/sitemaker', 'blocks/wordgraph.html', 'wordgraph_block'); |
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} |
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return $block; |
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} |
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/** |
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* @param array $words_array |
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* @param array $settings |
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*/ |
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private function show_graph(array $words_array, array $settings) |
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{ |
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$params = $this->get_graph_params($words_array, $settings); |
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// Sort words in result |
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$words = array_keys($words_array); |
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sort($words); |
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foreach ($words as $word) |
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{ |
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$color = $params['min_sat'] + (($words_array[$word] - $params['min_count']) * $params['color_step']); |
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$r = dechex($color); |
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$b = dechex($params['max_sat'] - $color); |
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$g = 'c'; |
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$this->ptemplate->assign_block_vars('wordgraph', array( |
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'WORD' => $this->show_word($word, $words_array[$word], $settings['show_word_count']), |
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'WORD_SIZE' => $settings['min_word_size'] + (($words_array[$word] - $params['min_count']) * $params['size_step']), |
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'WORD_COLOR' => $r . $g . $b, |
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'WORD_URL' => append_sid("{$this->phpbb_root_path}search.$this->php_ext", 'keywords=' . urlencode($word)), |
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)); |
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} |
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} |
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/** |
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* @param array $words_array |
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* @param array $settings |
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* @return array |
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*/ |
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private function get_graph_params(array $words_array, array $settings) |
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{ |
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$max_sat = hexdec('f'); |
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$min_sat = hexdec(0); |
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$max_count = max(array_values($words_array)); |
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$min_count = min(array_values($words_array)); |
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$spread = $max_count - $min_count; |
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$spread = ($spread) ? $spread : 1; |
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return array( |
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'min_sat' => $min_sat, |
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'max_sat' => $max_sat, |
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'min_count' => $min_count, |
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'max_count' => $max_count, |
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'spread' => $spread, |
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// determine the font-size increment |
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'size_step' => ($settings['max_word_size'] - $settings['min_word_size']) / $spread, |
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'color_step' => ($max_sat - $min_sat) / $spread, |
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); |
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} |
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/** |
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* @param array $settings |
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* @return array |
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*/ |
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private function get_words(array $settings) |
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{ |
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$sql_array = $this->get_words_sql($settings['exclude_words']); |
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$sql = $this->db->sql_build_query('SELECT', $sql_array); |
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$result = $this->db->sql_query_limit($sql, $settings['max_num_words'], 0, $this->cache_time); |
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$words_array = array(); |
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while ($row = $this->db->sql_fetchrow($result)) |
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{ |
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$word = ucwords(strtolower($row['word_text'])); |
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$words_array[$word] = $row['word_count']; |
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} |
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$this->db->sql_freeresult($result); |
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return $words_array; |
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} |
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/** |
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* @param string $exclude_words |
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* @return array |
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*/ |
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private function get_words_sql($exclude_words) |
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{ |
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$sql_where = $this->exclude_words_sql($exclude_words); |
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return array( |
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'SELECT' => 'l.word_text, l.word_count', |
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'FROM' => array( |
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SEARCH_WORDLIST_TABLE => 'l', |
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SEARCH_WORDMATCH_TABLE => 'm', |
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TOPICS_TABLE => 't', |
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POSTS_TABLE => 'p', |
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), |
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'WHERE' => 'l.word_common <> 1 |
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AND l.word_count > 0 |
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AND m.word_id = l.word_id |
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AND m.post_id = p.post_id |
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AND t.topic_id = p.topic_id |
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AND t.topic_time <= ' . time() . ' |
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AND ' . $this->content_visibility->get_global_visibility_sql('topic', array_keys($this->auth->acl_getf('!f_read', true)), 't.') . |
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$sql_where, |
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'GROUP_BY' => 'l.word_text, l.word_count', |
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'ORDER_BY' => 'l.word_count DESC' |
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); |
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} |
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/** |
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* @param string $exclude_words Comma separated string of words |
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* @return string |
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*/ |
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private function exclude_words_sql($exclude_words) |
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{ |
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$sql_where = ''; |
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if ($exclude_words) |
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{ |
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$exclude_words = array_filter(explode(',', str_replace(' ', '', strtolower($exclude_words)))); |
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$sql_where = (sizeof($exclude_words)) ? ' AND ' . $this->db->sql_in_set('l.word_text', $exclude_words, true) : ''; |
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} |
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return $sql_where; |
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} |
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/** |
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* @param string $word |
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* @param int $count |
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* @param bool $show_count |
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* @return string |
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*/ |
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private function show_word($word, $count, $show_count) |
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{ |
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return censor_text(($show_count) ? $word . '(' . $count . ')' : $word); |
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} |
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} |
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blitze /
phpBB-ext-sitemaker
