Fix XPath context for tags (#4246)

#fix https://github.com/FreshRSS/FreshRSS/issues/4245
Follow-up of https://github.com/FreshRSS/FreshRSS/pull/4220

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## 2022-0X-XX FreshRSS 1.20.0-dev
 
+* Features
+	* New Web scraping feature *HTML+XPath* for Web pages without any RSS/ATOM feed [#4220](https://github.com/FreshRSS/FreshRSS/pull/4220)
+
 
 ## 2022-02-04 FreshRSS 1.19.2
 

app/Models/Feed.php

@@ -605,7 +605,7 @@ class FreshRSS_Feed extends Minz_Model {
 				$item['timestamp'] = $xPathItemTimestamp == '' ? '' : @$xpath->evaluate('normalize-space(' . $xPathItemTimestamp . ')', $node);
 				$item['thumbnail'] = $xPathItemThumbnail == '' ? '' : @$xpath->evaluate('normalize-space(' . $xPathItemThumbnail . ')', $node);
 				if ($xPathItemCategories != '') {
-					$itemCategories = @$xpath->query($xPathItemCategories);
+					$itemCategories = @$xpath->query($xPathItemCategories, $node);
 					if ($itemCategories) {
 						foreach ($itemCategories as $itemCategory) {
 							$item['categories'][] = $itemCategory->textContent;

app/SQL/install.sql.mysql.php

@@ -16,7 +16,7 @@ ENGINE = INNODB;
 CREATE TABLE IF NOT EXISTS `_feed` (
 	`id` SMALLINT NOT NULL AUTO_INCREMENT,	-- v0.7
 	`url` VARCHAR(511) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
-	`kind` SMALLINT DEFAULT 0, -- 0.20.0
+	`kind` SMALLINT DEFAULT 0, -- 1.20.0
 	`category` SMALLINT DEFAULT 0,	-- v0.7
 	`name` VARCHAR(191) NOT NULL,
 	`website` VARCHAR(255) CHARACTER SET latin1 COLLATE latin1_bin,

app/SQL/install.sql.pgsql.php

@@ -13,7 +13,7 @@ CREATE TABLE IF NOT EXISTS `_category` (
 CREATE TABLE IF NOT EXISTS `_feed` (
 	"id" SERIAL PRIMARY KEY,
 	"url" VARCHAR(511) UNIQUE NOT NULL,
-	"kind" SMALLINT DEFAULT 0, -- 0.20.0
+	"kind" SMALLINT DEFAULT 0, -- 1.20.0
 	"category" SMALLINT DEFAULT 0,
 	"name" VARCHAR(255) NOT NULL,
 	"website" VARCHAR(255),

app/SQL/install.sql.sqlite.php

@@ -14,7 +14,7 @@ CREATE TABLE IF NOT EXISTS `category` (
 CREATE TABLE IF NOT EXISTS `feed` (
 	`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
 	`url` VARCHAR(511) NOT NULL,
-	`kind` SMALLINT DEFAULT 0, -- 0.20.0
+	`kind` SMALLINT DEFAULT 0, -- 1.20.0
 	`category` SMALLINT DEFAULT 0,
 	`name` VARCHAR(255) NOT NULL,
 	`website` VARCHAR(255),