|
1
|
|
|
<?php |
|
2
|
|
|
/* |
|
3
|
|
|
* This file is part of the Exchange Rate package, an RunOpenCode project. |
|
4
|
|
|
* |
|
5
|
|
|
* Implementation of exchange rate crawler for Banca Intesa Serbia, http://www.bancaintesa.rs. |
|
6
|
|
|
* |
|
7
|
|
|
* (c) 2016 RunOpenCode |
|
8
|
|
|
* |
|
9
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
10
|
|
|
* file that was distributed with this source code. |
|
11
|
|
|
*/ |
|
12
|
|
|
namespace RunOpenCode\ExchangeRate\BancaIntesaSerbia\Parser; |
|
13
|
|
|
|
|
14
|
|
|
use RunOpenCode\ExchangeRate\Contract\RateInterface; |
|
15
|
|
|
use RunOpenCode\ExchangeRate\Model\Rate; |
|
16
|
|
|
use RunOpenCode\ExchangeRate\BancaIntesaSerbia\Api; |
|
17
|
|
|
use Symfony\Component\DomCrawler\Crawler; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* Class HtmlParser |
|
21
|
|
|
* |
|
22
|
|
|
* Parse HTML document with daily rates from Banca Intesa Serbia. |
|
23
|
|
|
* |
|
24
|
|
|
* @package RunOpenCode\ExchangeRate\BancaIntesaSerbia\Parser |
|
25
|
|
|
*/ |
|
26
|
|
|
class HtmlParser |
|
27
|
|
|
{ |
|
28
|
|
|
/** |
|
29
|
|
|
* @var RateInterface[] |
|
30
|
|
|
*/ |
|
31
|
|
|
private $rates; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* @var \DateTime |
|
35
|
|
|
*/ |
|
36
|
|
|
private $date; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @var string |
|
40
|
|
|
*/ |
|
41
|
|
|
private $html; |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* HtmlParser constructor. |
|
45
|
|
|
* @param $node string |
|
46
|
|
|
* @param $date \DateTime |
|
47
|
|
|
*/ |
|
48
|
10 |
|
public function __construct($node, \DateTime $date) |
|
49
|
|
|
{ |
|
50
|
10 |
|
$this->html = $node; |
|
51
|
10 |
|
$this->date = $date; |
|
52
|
10 |
|
} |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* @return array|\RunOpenCode\ExchangeRate\Contract\RateInterface[] |
|
56
|
|
|
*/ |
|
57
|
10 |
|
public function getRates() |
|
58
|
|
|
{ |
|
59
|
10 |
|
if (!$this->rates) { |
|
|
|
|
|
|
60
|
10 |
|
$this->rates = $this->parseHtml($this->html, $this->date); |
|
61
|
10 |
|
} |
|
62
|
|
|
|
|
63
|
10 |
|
return $this->rates; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* @param $html string |
|
68
|
|
|
* @param \DateTime $date |
|
69
|
|
|
* @return array |
|
70
|
|
|
*/ |
|
71
|
10 |
|
private function parseHtml($html, \DateTime $date) |
|
72
|
|
|
{ |
|
73
|
10 |
|
$crawler = new Crawler($html); |
|
74
|
10 |
|
$crawler = $crawler->filter('table'); |
|
75
|
|
|
|
|
76
|
10 |
|
return $this->extractRates($crawler, $date); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
/** |
|
80
|
|
|
* @param Crawler $crawler |
|
81
|
|
|
* @param \DateTime $date |
|
82
|
|
|
* @return array |
|
83
|
|
|
*/ |
|
84
|
10 |
|
private function extractRates(Crawler $crawler, \DateTime $date) |
|
85
|
|
|
{ |
|
86
|
10 |
|
$rates = array(); |
|
87
|
|
|
|
|
88
|
|
|
$crawler->filter('tr')->each(function (Crawler $node) use ($date, &$rates) { |
|
89
|
|
|
|
|
90
|
10 |
|
$row = $this->parseRow($node); |
|
91
|
|
|
|
|
92
|
10 |
|
if (null !== $row) { |
|
93
|
|
|
|
|
94
|
10 |
|
$rates[] = $this->buildRate( |
|
95
|
10 |
|
$row['default'] / $row['unit'], |
|
96
|
10 |
|
$row['currencyCode'], |
|
97
|
10 |
|
'default', |
|
98
|
|
|
$date |
|
99
|
10 |
|
); |
|
100
|
|
|
|
|
101
|
10 |
|
$rates[] = $this->buildRate( |
|
102
|
10 |
|
$row['foreign_exchange_buying'] / $row['unit'], |
|
103
|
10 |
|
$row['currencyCode'], |
|
104
|
10 |
|
'foreign_exchange_buying', |
|
105
|
|
|
$date |
|
106
|
10 |
|
); |
|
107
|
|
|
|
|
108
|
10 |
|
$rates[] = $this->buildRate( |
|
109
|
10 |
|
$row['foreign_exchange_selling'] / $row['unit'], |
|
110
|
10 |
|
$row['currencyCode'], |
|
111
|
10 |
|
'foreign_exchange_selling', |
|
112
|
10 |
|
$this->date |
|
113
|
10 |
|
); |
|
114
|
|
|
|
|
115
|
10 |
|
$rates[] = $this->buildRate( |
|
116
|
10 |
|
$row['foreign_cash_buying'] / $row['unit'], |
|
117
|
10 |
|
$row['currencyCode'], |
|
118
|
10 |
|
'foreign_cash_buying', |
|
119
|
10 |
|
$this->date |
|
120
|
10 |
|
); |
|
121
|
|
|
|
|
122
|
10 |
|
$rates[] = $this->buildRate( |
|
123
|
10 |
|
$row['foreign_cash_selling'] / $row['unit'], |
|
124
|
10 |
|
$row['currencyCode'], |
|
125
|
10 |
|
'foreign_cash_selling', |
|
126
|
10 |
|
$this->date |
|
127
|
10 |
|
); |
|
128
|
|
|
|
|
129
|
10 |
|
} |
|
130
|
10 |
|
}); |
|
131
|
|
|
|
|
132
|
|
|
/** |
|
133
|
|
|
* @var Rate $rate |
|
134
|
|
|
*/ |
|
135
|
10 |
|
foreach ($rates as $key => $rate){ |
|
136
|
10 |
|
if (!$rate->getValue()) { |
|
137
|
10 |
|
unset($rates[$key]); |
|
138
|
10 |
|
} |
|
139
|
10 |
|
} |
|
140
|
|
|
|
|
141
|
|
|
|
|
142
|
10 |
|
return $rates; |
|
143
|
|
|
} |
|
144
|
|
|
|
|
145
|
10 |
|
private function parseRow(Crawler $crawler) |
|
146
|
|
|
{ |
|
147
|
|
|
$currentRow = array( |
|
148
|
|
|
'currencyCode' => '' |
|
149
|
10 |
|
); |
|
150
|
|
|
|
|
151
|
10 |
|
$crawler->filter('td')->each(function (Crawler $node, $i) use (&$currentRow) { |
|
152
|
|
|
|
|
153
|
|
|
switch ($i) { |
|
154
|
10 |
|
case 1: |
|
155
|
10 |
|
$currentRow['currencyCode'] = trim($node->text()); |
|
156
|
10 |
|
break; |
|
157
|
10 |
|
case 2: |
|
158
|
10 |
|
$currentRow['unit'] = (int)trim($node->text()); |
|
159
|
10 |
|
break; |
|
160
|
10 |
|
case 3: |
|
161
|
10 |
|
$currentRow['foreign_exchange_buying'] = (float)trim($node->text()); |
|
162
|
10 |
|
break; |
|
163
|
10 |
|
case 4: |
|
164
|
10 |
|
$currentRow['default'] = (float)trim($node->text()); |
|
165
|
10 |
|
break; |
|
166
|
10 |
|
case 5: |
|
167
|
10 |
|
$currentRow['foreign_exchange_selling'] = (float)trim($node->text()); |
|
168
|
10 |
|
break; |
|
169
|
10 |
|
case 6: |
|
170
|
10 |
|
$currentRow['foreign_cash_buying'] = (float)trim($node->text()); |
|
171
|
10 |
|
break; |
|
172
|
10 |
|
case 7: |
|
173
|
10 |
|
$currentRow['foreign_cash_selling'] = (float)trim($node->text()); |
|
174
|
10 |
|
break; |
|
175
|
|
|
} |
|
176
|
10 |
|
}); |
|
177
|
|
|
|
|
178
|
10 |
|
return strlen($currentRow['currencyCode']) === 3 ? $currentRow : null; |
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
10 |
|
private function buildRate($value, $currencyCode, $rateType, $date) { |
|
182
|
|
|
|
|
183
|
10 |
|
return new Rate( |
|
184
|
10 |
|
Api::NAME, |
|
185
|
10 |
|
$value, |
|
186
|
10 |
|
$currencyCode, |
|
187
|
10 |
|
$rateType, |
|
188
|
10 |
|
$date, |
|
189
|
10 |
|
'RSD', |
|
190
|
10 |
|
new \DateTime('now'), |
|
191
|
10 |
|
new \DateTime('now') |
|
192
|
10 |
|
); |
|
193
|
|
|
} |
|
194
|
|
|
} |
|
195
|
|
|
|
RunOpenCode /
exchange-rate-intesa-rs
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.