101 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /**
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|  * @file
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|  * Definition of views_handler_argument_search.
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|  */
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| 
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| /**
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|  * Argument that accepts query keys for search.
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|  *
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|  * @ingroup views_argument_handlers
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|  */
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| class views_handler_argument_search extends views_handler_argument {
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| 
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|   /**
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|    * Take sure that parseSearchExpression is runned and everything is set up for it.
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|    *
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|    * @param $input
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|    *    The search phrase which was input by the user.
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|    */
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|   function query_parse_search_expression($input) {
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|     if (!isset($this->search_query)) {
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|       $this->search_query = db_select('search_index', 'i', array('target' => 'slave'))->extend('viewsSearchQuery');
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|       $this->search_query->searchExpression($input, $this->view->base_table);
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|       $this->search_query->publicParseSearchExpression();
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|     }
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|   }
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| 
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|   /**
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|    * Add this argument to the query.
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|    */
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|   function query($group_by = FALSE) {
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|     $required = FALSE;
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|     $this->query_parse_search_expression($this->argument);
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|     if (!isset($this->search_query)) {
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|       $required = TRUE;
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|     }
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|     else {
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|       $words = $this->search_query->words();
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|       if (empty($words)) {
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|         $required = TRUE;
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|       }
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|     }
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|     if ($required) {
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|       if ($this->operator == 'required') {
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|         $this->query->add_where(0, 'FALSE');
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|       }
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|     }
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|     else {
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|       $search_index = $this->ensure_my_table();
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| 
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|       $search_condition = db_and();
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| 
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|       // Create a new join to relate the 'search_total' table to our current 'search_index' table.
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|       $join = new views_join;
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|       $join->construct('search_total', $search_index, 'word', 'word');
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|       $search_total = $this->query->add_relationship('search_total', $join, $search_index);
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| 
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|       $this->search_score = $this->query->add_field('', "SUM($search_index.score * $search_total.count)", 'score', array('aggregate' => TRUE));
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| 
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|       if (empty($this->query->relationships[$this->relationship])) {
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|         $base_table = $this->query->base_table;
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|       }
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|       else {
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|         $base_table = $this->query->relationships[$this->relationship]['base'];
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|       }
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|       $search_condition->condition("$search_index.type", $base_table);
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| 
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|       if (!$this->search_query->simple()) {
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|         $search_dataset = $this->query->add_table('search_dataset');
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|         $conditions = $this->search_query->conditions();
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|         $condition_conditions =& $conditions->conditions();
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|         foreach ($condition_conditions  as $key => &$condition) {
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|           // Take sure we just look at real conditions.
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|           if (is_numeric($key)) {
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|             // Replace the conditions with the table alias of views.
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|             $this->search_query->condition_replace_string('d.', "$search_dataset.", $condition);
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|           }
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|         }
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|         $search_conditions =& $search_condition->conditions();
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|         $search_conditions = array_merge($search_conditions, $condition_conditions);
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|       }
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|       else {
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|         // Stores each condition, so and/or on the filter level will still work.
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|         $or = db_or();
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|         foreach ($words as $word) {
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|           $or->condition("$search_index.word", $word);
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|         }
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| 
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|         $search_condition->condition($or);
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|       }
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| 
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|       $this->query->add_where(0, $search_condition);
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|       $this->query->add_groupby("$search_index.sid");
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|       $matches = $this->search_query->matches();
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|       $placeholder = $this->placeholder();
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|       $this->query->add_having_expression(0, "COUNT(*) >= $placeholder", array($placeholder => $matches));
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|     }
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|   }
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| }
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