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engines/text/yandex.php

@@ -0,0 +1,68 @@
+<?php
+    class YandexSearchRequest extends EngineRequest {
+        public function get_request_url() {
+            $query_encoded = str_replace("%22", "\"", urlencode($this->query));
+
+            $results_language = $this->opts->language;
+            $number_of_results = $this->opts->number_of_results;
+
+            $url = "https://yandex.com/search?text=$query_encoded&nfpr=1&p=$this->page&noreask=1";
+
+            if (!is_null($results_language))
+                $url .= "&lang=$results_language";
+
+            return $url;
+        }
+
+        public function parse_results($response) {
+            $results = array();
+            $xpath = get_xpath($response);
+
+            if (!$xpath)
+                return $results;
+
+            $r = $xpath->query("//ul[@id='search-result']");
+            if (empty($r))
+                return array("error" => array(
+                    "message" => TEXTS["failure_empty"]
+                ));
+
+            foreach($xpath->query("//li[contains(@class, 'serp-item')]") as $result) {
+                $url = $xpath->evaluate(".//div//div//a[contains(@class, 'link')]//@href", $result)[0];
+
+                if ($url == null)
+                    continue;
+
+                $url = $url->textContent;
+
+                if (!empty($results) && array_key_exists("url", $results) && end($results)["url"] == $url->textContent)
+                    continue;
+
+                $title = $xpath->evaluate(".//div//div//a[contains(@class, 'link')]//h2[contains(@class, 'OrganicTitle-LinkText')]//span", $result)[0];
+
+                if ($title == null)
+                    continue;
+
+                $title = $title->textContent;
+
+                $description = $xpath->evaluate(".//div[contains(@class, 'Organic-ContentWrapper')]//div[contains(@class, 'text-container')]//span", $result)[0]->textContent;
+
+                array_push($results,
+                    array (
+                        "title" => htmlspecialchars($title),
+                        "url" =>  htmlspecialchars($url),
+                        // base_url is to be removed in the future, see #47
+                        "base_url" => htmlspecialchars(get_base_url($url)),
+                        "description" =>  $description == null ?
+                                          TEXTS["result_no_description"] :
+                                          htmlspecialchars($description)
+                    )
+                );
+
+            }
+
+            return $results;
+        }
+
+    }
+?>