xref: /plugin/struct/meta/SearchConfig.php (revision 5625b9852e4b32987787d47facc1d75903f74f2d) 
1<?php
2
3namespace plugin\struct\meta;
4
5/**
6 * Class SearchConfig
7 *
8 * The same as @see Search but can be initialized by a configuration array
9 *
10 * @package plugin\struct\meta
11 */
12class SearchConfig extends Search {
13
14    /**
15     * @var array hold the configuration as parsed and extended by dynamic params
16     */
17    protected $config;
18
19    /**
20     * @var SearchConfigParameters manages dynamic parameters
21     */
22    protected $dynamicParameters;
23
24    /**
25     * SearchConfig constructor.
26     * @param array $config The parsed configuration for this search
27     */
28    public function __construct($config) {
29        parent::__construct();
30
31        // setup schemas and columns
32        if(!empty($config['schemas'])) foreach($config['schemas'] as $schema) {
33            $this->addSchema($schema[0], $schema[1]);
34        }
35        if(!empty($config['cols'])) foreach($config['cols'] as $col) {
36            $this->addColumn($col);
37        }
38
39        // apply dynamic paramters
40        $this->dynamicParameters = new SearchConfigParameters($this);
41        $config = $this->dynamicParameters->updateConfig($config);
42
43        // configure search from configuration
44        if(!empty($config['filter'])) foreach($config['filter'] as $filter) {
45            $this->addFilter($filter[0], $this->applyFilterVars($filter[2]), $filter[1], $filter[3]);
46        }
47
48        if(!empty($config['sort'])) foreach($config['sort'] as $sort) {
49            $this->addSort($sort[0], $sort[1]);
50        }
51
52        if(!empty($config['limit'])) {
53            $this->setLimit($config['limit']);
54        }
55
56        if(!empty($config['offset'])) {
57            $this->setLimit($config['offset']);
58        }
59
60        $this->config = $config;
61    }
62
63    /**
64     * Replaces placeholders in the given filter value by the proper value
65     *
66     * @param string $filter
67     * @return string
68     */
69    protected function applyFilterVars($filter) {
70        global $ID;
71
72        // apply inexpensive filters first
73        $filter = str_replace(
74            array(
75                '$ID$',
76                '$NS$',
77                '$PAGE$',
78                '$USER$',
79                '$TODAY$'
80            ),
81            array(
82                $ID,
83                getNS($ID),
84                noNS($ID),
85                isset($_SERVER['REMOTE_USER']) ? $_SERVER['REMOTE_USER'] : '',
86                date('Y-m-d')
87            ),
88            $filter
89        );
90
91        // apply struct filter
92        while(preg_match('/\$STRUCT\.(.*?)\$/', $filter, $matches)) {
93            foreach($matches as $match) {
94                $key = $match[1];
95                $column = $this->findColumn($key);
96                if($column) {
97                    $label = $column->getLabel();
98                    $table = $column->getTable();
99                    $schemaData = new SchemaData($table, $ID, 0);
100                    $data = $schemaData->getDataArray();
101                    $value = $data[$label];
102                    if(is_array($value)) $value = array_shift($value);
103                } else {
104                    $value = '';
105                }
106                $key = preg_quote_cb($key);
107                $filter = preg_replace('/\$STRUCT\.'.$key.'\$/', $value, 1);
108            }
109        }
110
111        return $filter;
112    }
113
114    /**
115     * Access the dynamic paramters of this search
116     *
117     * Note: This call returns a clone of the parameters as they were initialized
118     *
119     * @return SearchConfigParameters
120     */
121    public function getDynamicParameters() {
122        return clone $this->dynamicParameters;
123    }
124
125    /**
126     * @return array the current config
127     */
128    public function getConf() {
129        return $this->config;
130    }
131
132}
133