jc-importer / class / Common / Exporter / File / JSONFile.php

JSONFile.php in Import WP – CSV & XML Import Export for WordPress 2.7.1, at class/Common/Exporter/File/JSONFile.php

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1	<?php
2
3	namespace ImportWP\Common\Exporter\File;
4
5	class JSONFile extends File
6	{
7	private $counter = 0;
8	private $parts = [
9	'open' => '{' . PHP_EOL,
10	'close' => PHP_EOL . '}',
11	'parent' => 0
12	];
13
14	public function start()
15	{
16	// write headers
17
18	// TODO: get the opening posts loop wrappers
19	$fields = $this->exporter->getFields();
20	$tmp = $this->generate_wrapper($fields);
21
22	foreach ($tmp as $i => $t) {
23	$is_last = count($tmp) - 1 == $i;
24	$open_tag = $is_last ? '[' : '{';
25	$close_tag = $is_last ? ']' : '}';
26
27	$this->parts['open'] .= sprintf('"%s" : %s', $t, $open_tag) . PHP_EOL;
28	$this->parts['close'] = PHP_EOL . sprintf('%s', $close_tag) . $this->parts['close'];
29	}
30
31	fputs($this->fh, $this->parts['open'] . PHP_EOL);
32	$this->counter = 0;
33	}
34
35	public function generate_wrapper($fields, $output = [], $parent = 0, $depth = 0)
36	{
37
38	$current_items = array_filter($fields, function ($item) use ($parent) {
39	return intval($item['parent']) == $parent;
40	});
41
42	if (!empty($current_items)) {
43	foreach ($current_items as $current_item) {
44	$label = $this->getFieldLabel($current_item);
45
46	if (isset($current_item['loop']) && ($current_item['loop'] === 'true' \|\| $current_item['loop'] === true)) {
47	$output[] = $label;
48	$this->parts['parent'] = $current_item['id'];
49	break;
50	} else {
51	$output[] = $label;
52	$output = $this->generate_wrapper($fields, $output, $current_item['id'], $depth + 1);
53	}
54	}
55	}
56
57	return $output;
58	}
59
60	public function add($mapper)
61	{
62
63	// $data = array_map(function($value){
64	// if(is_array($value)){
65	// $value = implode('\|', $value);
66	// }
67	// return $value;
68	// }, $data);
69
70	if ($this->counter > 0) {
71	fputs($this->fh, "," . PHP_EOL);
72	}
73
74	$fields = $this->exporter->getFields();
75	fputs($this->fh, "\t" . json_encode($this->generate_schema($fields, $mapper, $this->parts['parent'])));
76	$this->counter++;
77	}
78
79	public function end()
80	{
81	fputs($this->fh, PHP_EOL . $this->parts['close']);
82	fclose($this->fh);
83	}
84
85	public function get_file_name()
86	{
87	return $this->exporter->getId() . '.json';
88	}
89
90	public function generate_schema($fields, $mapper, $parent = 0, $loop_args = [], $depth = 0, $data = null)
91	{
92	$output = [];
93
94	$current_items = array_filter($fields, function ($item) use ($parent) {
95	return intval($item['parent']) == $parent;
96	});
97
98	if (!empty($current_items)) {
99	foreach ($current_items as $current_item) {
100	$label = $this->getFieldLabel($current_item);
101
102	if (isset($current_item['loop']) && ($current_item['loop'] === 'true' \|\| $current_item['loop'] === true)) {
103
104	$loop_args = ['loop' => $current_item['selection']];
105
106	$loop_data = $mapper->data($loop_args);
107	$output[$label] = [];
108
109	// We are in a loop
110	foreach ($loop_data as $data) {
111	$output[$label][] = $this->generate_schema($fields, $mapper, $current_item['id'], $loop_args, $depth + 1, $data);
112	}
113	} else {
114
115	$output[$label] = $this->generate_schema($fields, $mapper, $current_item['id'], $loop_args, $depth + 1, $data);
116	if (empty($output[$label])) {
117
118	$output[$label] = $mapper->get_value(isset($current_item['selection']) ? $current_item['selection'] : '', $data);
119	}
120	}
121	}
122	}
123
124	return $output;
125	}
126	}
127