Search labels (#3709)

* Search labels
#fix https://github.com/FreshRSS/FreshRSS/issues/3704

* Documentation

* Allow list without quotes

* Allow boolean AND searches

* Allow searching any label

* fix labels alias

1 files changed, 80 insertions, 22 deletions

diff --git a/app/Models/EntryDAO.php b/app/Models/EntryDAO.php
index 046dc4afc..86f3ac040 100644
--- a/app/Models/EntryDAO.php
+++ b/app/Models/EntryDAO.php
@@ -732,25 +732,6 @@ SQL;
 				}
 				$sub_search = '';
 
-				if ($filter->getFeedIds()) {
-					$sub_search .= 'AND ' . $alias . 'id_feed IN (';
-					foreach ($filter->getFeedIds() as $feed_id) {
-						$sub_search .= '?,';
-						$values[] = $feed_id;
-					}
-					$sub_search = rtrim($sub_search, ',');
-					$sub_search .= ') ';
-				}
-				if ($filter->getNotFeedIds()) {
-					$sub_search .= 'AND ' . $alias . 'id_feed NOT IN (';
-					foreach ($filter->getNotFeedIds() as $feed_id) {
-						$sub_search .= '?,';
-						$values[] = $feed_id;
-					}
-					$sub_search = rtrim($sub_search, ',');
-					$sub_search .= ') ';
-				}
-
 				if ($filter->getMinDate()) {
 					$sub_search .= 'AND ' . $alias . 'id >= ? ';
 					$values[] = "{$filter->getMinDate()}000000";
@@ -800,6 +781,83 @@ SQL;
 					$sub_search .= ') ';
 				}
 
+				if ($filter->getFeedIds()) {
+					foreach ($filter->getFeedIds() as $feed_ids) {
+						$sub_search .= 'AND ' . $alias . 'id_feed IN (';
+						foreach ($feed_ids as $feed_id) {
+							$sub_search .= '?,';
+							$values[] = $feed_id;
+						}
+						$sub_search = rtrim($sub_search, ',');
+						$sub_search .= ') ';
+					}
+				}
+				if ($filter->getNotFeedIds()) {
+					foreach ($filter->getNotFeedIds() as $feed_ids) {
+						$sub_search .= 'AND ' . $alias . 'id_feed NOT IN (';
+						foreach ($feed_ids as $feed_id) {
+							$sub_search .= '?,';
+							$values[] = $feed_id;
+						}
+						$sub_search = rtrim($sub_search, ',');
+						$sub_search .= ') ';
+					}
+				}
+
+				if ($filter->getLabelIds()) {
+					foreach ($filter->getLabelIds() as $label_ids) {
+						if ($label_ids === '*') {
+							$sub_search .= 'AND EXISTS (SELECT et.id_tag FROM `_entrytag` et WHERE et.id_entry = ' . $alias . 'id) ';
+						} else {
+							$sub_search .= 'AND ' . $alias . 'id IN (SELECT et.id_entry FROM `_entrytag` et WHERE et.id_tag IN (';
+							foreach ($label_ids as $label_id) {
+								$sub_search .= '?,';
+								$values[] = $label_id;
+							}
+							$sub_search = rtrim($sub_search, ',');
+							$sub_search .= ')) ';
+						}
+					}
+				}
+				if ($filter->getNotLabelIds()) {
+					foreach ($filter->getNotLabelIds() as $label_ids) {
+						if ($label_ids === '*') {
+							$sub_search .= 'AND NOT EXISTS (SELECT et.id_tag FROM `_entrytag` et WHERE et.id_entry = ' . $alias . 'id) ';
+						} else {
+							$sub_search .= 'AND ' . $alias . 'id NOT IN (SELECT et.id_entry FROM `_entrytag` et WHERE et.id_tag IN (';
+							foreach ($label_ids as $label_id) {
+								$sub_search .= '?,';
+								$values[] = $label_id;
+							}
+							$sub_search = rtrim($sub_search, ',');
+							$sub_search .= ')) ';
+						}
+					}
+				}
+
+				if ($filter->getLabelNames()) {
+					foreach ($filter->getLabelNames() as $label_names) {
+						$sub_search .= 'AND ' . $alias . 'id IN (SELECT et.id_entry FROM `_entrytag` et, `_tag` t WHERE et.id_tag = t.id AND t.name IN (';
+						foreach ($label_names as $label_name) {
+							$sub_search .= '?,';
+							$values[] = $label_name;
+						}
+						$sub_search = rtrim($sub_search, ',');
+						$sub_search .= ')) ';
+					}
+				}
+				if ($filter->getNotLabelNames()) {
+					foreach ($filter->getNotLabelNames() as $label_names) {
+						$sub_search .= 'AND ' . $alias . 'id NOT IN (SELECT et.id_entry FROM `_entrytag` et, `_tag` t WHERE et.id_tag = t.id AND t.name IN (';
+						foreach ($label_names as $label_name) {
+							$sub_search .= '?,';
+							$values[] = $label_name;
+						}
+						$sub_search = rtrim($sub_search, ',');
+						$sub_search .= ')) ';
+					}
+				}
+
 				if ($filter->getAuthor()) {
 					foreach ($filter->getAuthor() as $author) {
 						$sub_search .= 'AND ' . $alias . 'author LIKE ? ';
@@ -913,14 +971,14 @@ SQL;
 			$where .= 'e.id_feed=? ';
 			$values[] = intval($id);
 			break;
-		case 't':	//Tag
+		case 't':	//Tag (label)
 			$where .= 'et.id_tag=? ';
 			$values[] = intval($id);
 			break;
-		case 'T':	//Any tag
+		case 'T':	//Any tag (label)
 			$where .= '1=1 ';
 			break;
-		case 'ST':	//Starred or tagged
+		case 'ST':	//Starred or tagged (label)
 			$where .= 'e.is_favorite=1 OR EXISTS (SELECT et2.id_tag FROM `_entrytag` et2 WHERE et2.id_entry = e.id) ';
 			break;
 		default: