Tweaks for Vienna RSS (#2093)

* Tweaks for Vienna RSS

https://github.com/FreshRSS/FreshRSS/issues/2091
https://github.com/ViennaRSS/vienna-rss/issues/1197

* Fix get feed by URL

* Fix get item ids returning starred elements

* API add item ids by feed URL

* Add API filter `it`

https://feedhq.readthedocs.io/en/latest/api/reference.html#stream-items-ids

* API add `nt=` filter + refactoring

* No ; prefix for author

https://github.com/FreshRSS/FreshRSS/issues/2091#issuecomment-435562495

* Add id long form prefix and accept short id form

https://github.com/FreshRSS/FreshRSS/issues/2091#issuecomment-435631259

* Fix quote problem

https://github.com/FreshRSS/FreshRSS/issues/2091#issuecomment-435683930

* Isolate bug fix for News+

https://github.com/FreshRSS/FreshRSS/issues/2091#issuecomment-435687041

* Rework encoding conventions

https://github.com/FreshRSS/FreshRSS/issues/2091#issuecomment-437441834

* Unicode escaping alternative

Alternative approach to encode XML special characters and other
problematic characters into their Unicode fullwidth version when we
cannot use HTML-encoding because clients disagree wether they should
HTML-decode or not.
https://github.com/FreshRSS/FreshRSS/issues/2091#issuecomment-436059559

4 files changed, 19 insertions, 3 deletions

diff --git a/app/Models/BooleanSearch.php b/app/Models/BooleanSearch.php
index 6e016f7e9..88eeea73c 100644
--- a/app/Models/BooleanSearch.php
+++ b/app/Models/BooleanSearch.php
@@ -45,6 +45,14 @@ class FreshRSS_BooleanSearch {
 		return $this->searches;
 	}
 
+	public function add($search) {
+		if ($search instanceof FreshRSS_Search) {
+			$this->searches[] = $search;
+			return $search;
+		}
+		return null;
+	}
+
 	public function __toString() {
 		return $this->getRawInput();
 	}
diff --git a/app/Models/EntryDAO.php b/app/Models/EntryDAO.php
index 708d01a69..6d77a33cd 100644
--- a/app/Models/EntryDAO.php
+++ b/app/Models/EntryDAO.php
@@ -921,8 +921,8 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
 		return self::daoToEntries($stm->fetchAll(PDO::FETCH_ASSOC));
 	}
 
-	public function listIdsWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filters = null, $date_min = 0) {	//For API
-		list($values, $sql) = $this->sqlListWhere($type, $id, $state, $order, $limit, $firstId, $filters, $date_min);
+	public function listIdsWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filters = null) {	//For API
+		list($values, $sql) = $this->sqlListWhere($type, $id, $state, $order, $limit, $firstId, $filters);
 
 		$stm = $this->bd->prepare($sql);
 		$stm->execute($values);
diff --git a/app/Models/Feed.php b/app/Models/Feed.php
index e1dd2990d..a5ef33d6b 100644
--- a/app/Models/Feed.php
+++ b/app/Models/Feed.php
@@ -424,7 +424,7 @@ class FreshRSS_Feed extends Minz_Model {
 			$author_names = '';
 			if (is_array($authors)) {
 				foreach ($authors as $author) {
-					$author_names .= html_only_entity_decode(strip_tags($author->name == '' ? $author->email : $author->name)) . '; ';
+					$author_names .= escapeToUnicodeAlternative(strip_tags($author->name == '' ? $author->email : $author->name)) . '; ';
 				}
 			}
 			$author_names = substr($author_names, 0, -2);
diff --git a/app/Models/Search.php b/app/Models/Search.php
index c52e391fa..f9cda7354 100644
--- a/app/Models/Search.php
+++ b/app/Models/Search.php
@@ -73,10 +73,18 @@ class FreshRSS_Search {
 		return $this->min_date;
 	}
 
+	public function setMinDate($value) {
+		return $this->min_date = $value;
+	}
+
 	public function getMaxDate() {
 		return $this->max_date;
 	}
 
+	public function setMaxDate($value) {
+		return $this->max_date = $value;
+	}
+
 	public function getMinPubdate() {
 		return $this->min_pubdate;
 	}