added Exchange function

addons/default/visiosoft/advs-module/resources/config/settings/sections.php

@@ -14,6 +14,7 @@ return [
                     'ogImage',
                     'free_currencyconverterapi_key',
                     'enabled_currencies',
+                    'tcmb_exchange_url'
                 ],
             ],
             'ads' => [
@@ -48,7 +49,7 @@ return [
             'filter' => [
                 'title' => 'visiosoft.module.advs::section.filter',
                 'fields' => [
-                    'hide_price_filter','hide_date_filter','hide_photo_filter','hide_map_filter'
+                    'hide_price_filter', 'hide_date_filter', 'hide_photo_filter', 'hide_map_filter'
                 ],
             ],
         ],

addons/default/visiosoft/advs-module/resources/config/settings/settings.php

@@ -41,6 +41,12 @@ return [
             'default_value' => 6,
         ],
     ],
+    'tcmb_exchange_url' => [
+        'type' => 'anomaly.field_type.url',
+        'config' => [
+            'default_value' => 'http://www.tcmb.gov.tr/kurlar',
+        ],
+    ],
     'default_published_time' => [
         'type' => 'anomaly.field_type.integer',
         'bind' => 'adv.default_published_time',

addons/default/visiosoft/advs-module/resources/lang/en/currency.php

@@ -0,0 +1,6 @@
+<?php
+
+return [
+    'USD' => 'Dolar',
+    'EUR' => 'Euro',
+];

addons/default/visiosoft/advs-module/resources/lang/en/setting.php

@@ -152,4 +152,7 @@ return [
     'show_lang_url' => [
         'name' => 'Show Lang Parameter For URL',
     ],
+    'tcmb_exchange_url' => [
+        'name' => 'TCMB Exchange URL',
+    ],
 ];

addons/default/visiosoft/advs-module/src/Adv/Command/getExchange.php

@@ -0,0 +1,72 @@
+<?php namespace Visiosoft\AdvsModule\Adv\Command;
+
+class getExchange
+{
+    public $currency;
+
+    public function __construct($currency = null)
+    {
+        $this->currency = $currency;
+    }
+
+    public function handle($currency = null)
+    {
+        $exchange_xml = simplexml_load_file(setting_value('visiosoft.module.advs::tcmb_exchange_url') . '/today.xml');
+        $exchange_xml = json_decode(json_encode($exchange_xml), TRUE);
+        $exchange = [
+            'USD' => 0,
+            'EUR' => 3,
+        ];
+
+        foreach ($exchange as $key => $exchange_key) {
+
+            $buy = $exchange_xml['Currency'][$exchange_key]['BanknoteSelling'];
+            $exchange[$key] = [
+                'sell' => $exchange_xml['Currency'][$exchange_key]['BanknoteBuying'],
+                'buy' => $buy,
+                'status' => $this->getStatus($buy, $exchange_key)
+            ];
+        }
+
+        if ($this->currency) {
+            if (array_key_exists($this->currency, $exchange)) {
+                return $exchange[$this->currency];
+            }
+            return null;
+        }
+        return $exchange;
+    }
+
+    public function getStatus($today_buy, $exchange_key)
+    {
+        $today = now();
+
+        $number_of_days_to_be_reduced = 1;
+        if ($today->format('D') == 'Mon') {
+            $number_of_days_to_be_reduced = 3;
+        } else if ($today->format('D') == 'Sun') {
+            $number_of_days_to_be_reduced = 2;
+        }
+
+
+        $date = $today->addDays('-' . $number_of_days_to_be_reduced);
+
+        $year_and_month = $date->format('Ym');
+        $date = $date->format('dmY');
+
+
+        $exchange_xml = simplexml_load_file(setting_value('visiosoft.module.advs::tcmb_exchange_url') . '/' . $year_and_month . '/' . $date . '.xml');
+        $exchange_xml = json_decode(json_encode($exchange_xml), TRUE);
+
+        $old_buy = $exchange_xml['Currency'][$exchange_key]['BanknoteSelling'];
+
+        $difference = ($today_buy * 10000) - ($old_buy * 10000);
+
+        if ($difference > 0) {
+            return 'increased';
+        } elseif ($difference < 0) {
+            return 'decreased';
+        }
+        return 'equal';
+    }
+}

addons/default/visiosoft/advs-module/src/AdvsModulePlugin.php

@@ -5,6 +5,7 @@ use Twig_Environment;
 use Visiosoft\AdvsModule\Adv\AdvModel;
 use Visiosoft\AdvsModule\Adv\Command\appendRequestURL;
 use Visiosoft\AdvsModule\Adv\Command\GetAd;
+use Visiosoft\AdvsModule\Adv\Command\getExchange;
 use Visiosoft\AdvsModule\Adv\Command\isActive;
 use Visiosoft\AdvsModule\Adv\Command\LatestAds;
 use Visiosoft\AdvsModule\Currency\Currency;
@@ -98,6 +99,16 @@ class AdvsModulePlugin extends Plugin
 
                     return $fn->getCallable()(...$args);
                 }, ['needs_environment' => true]
+            ),
+            new \Twig_SimpleFunction(
+                'getExchange',
+                function ($currency = null) {
+
+                    if (!$exchange = $this->dispatch(new getExchange($currency))) {
+                        return null;
+                    }
+                    return $exchange;
+                }
             )
         ];
     }