visualizer / classes / Visualizer / Source / Csv / Remote.php

Remote.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 1.1.0, at classes/Visualizer/Source/Csv/Remote.php

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1	<?php
2
3	// +----------------------------------------------------------------------+
4	// \| Copyright 2013 Madpixels (email : visualizer@madpixels.net) \|
5	// +----------------------------------------------------------------------+
6	// \| This program is free software; you can redistribute it and/or modify \|
7	// \| it under the terms of the GNU General Public License, version 2, as \|
8	// \| published by the Free Software Foundation. \|
9	// \| \|
10	// \| This program is distributed in the hope that it will be useful, \|
11	// \| but WITHOUT ANY WARRANTY; without even the implied warranty of \|
12	// \| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the \|
13	// \| GNU General Public License for more details. \|
14	// \| \|
15	// \| You should have received a copy of the GNU General Public License \|
16	// \| along with this program; if not, write to the Free Software \|
17	// \| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, \|
18	// \| MA 02110-1301 USA \|
19	// +----------------------------------------------------------------------+
20	// \| Author: Eugene Manuilov <eugene@manuilov.org> \|
21	// +----------------------------------------------------------------------+
22
23	/**
24	* Source manager for remote CSV files.
25	*
26	* @category Visualizer
27	* @package Source
28	*
29	* @since 1.1.0
30	*/
31	class Visualizer_Source_Csv_Remote extends Visualizer_Source_Csv {
32
33	/**
34	* Returns data parsed from source.
35	*
36	* @since 1.1.0
37	*
38	* @access public
39	* @return string The serialized array of data.
40	*/
41	public function getData() {
42	return serialize( array(
43	'source' => $this->_filename,
44	'data' => $this->_data,
45	) );
46	}
47
48	/**
49	* Re populates data and series.
50	*
51	* @since 1.1.0
52	*
53	* @access private
54	* @param int $chart_id The chart id.
55	* @return boolean TRUE on success, otherwise FALSE.
56	*/
57	private function _repopulate( $chart_id ) {
58	// if it has been already populated, then just return true
59	if ( !empty( $this->_data ) && !empty( $this->_series ) ) {
60	return true;
61	}
62
63	// if filename is empty, extract it from chart content
64	if ( empty( $this->_filename ) ) {
65	$chart = get_post( $chart_id );
66	$data = unserialize( $chart->post_content );
67	if ( !isset( $data['source'] ) ) {
68	return false;
69	}
70
71	$this->_filename = $data['source'];
72	}
73
74	// populate series and data information
75	return $this->fetch();
76	}
77
78	/**
79	* Re populates data.
80	*
81	* @since 1.1.0
82	*
83	* @access public
84	* @param array $data The actual array of data.
85	* @param int $chart_id The chart id.
86	* @return array The re populated array of data or old one.
87	*/
88	public function repopulateData( $data, $chart_id ) {
89	return $this->_repopulate( $chart_id ) ? $this->_data : $data;
90	}
91
92	/**
93	* Re populates series.
94	*
95	* @since 1.1.0
96	*
97	* @access public
98	* @param array $series The actual array of series.
99	* @param int $chart_id The chart id.
100	* @return array The re populated array of series or old one.
101	*/
102	public function repopulateSeries( $series, $chart_id ) {
103	return $this->_repopulate( $chart_id ) ? $this->_series : $series;
104	}
105
106	/**
107	* Returns source name.
108	*
109	* @since 1.0.0
110	*
111	* @access public
112	* @return string The name of source.
113	*/
114	public function getSourceName() {
115	return __CLASS__;
116	}
117
118	}