From d6c2daee51fa90f000c106492141baf3824931d2 Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Sat, 25 Jan 2025 09:16:13 +0100
Subject: Add search operator intext: (#7228)

* Add search operator intext:
fix https://github.com/FreshRSS/FreshRSS/issues/6188
https://github.com/FreshRSS/FreshRSS/discussions/7220

* Add example to doc
---
 app/Models/Search.php | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

(limited to 'app/Models/Search.php')

diff --git a/app/Models/Search.php b/app/Models/Search.php
index 5b88b1f3b..d425fcee8 100644
--- a/app/Models/Search.php
+++ b/app/Models/Search.php
@@ -29,6 +29,10 @@ class FreshRSS_Search implements \Stringable {
 	private ?array $intitle = null;
 	/** @var list<string>|null */
 	private ?array $intitle_regex = null;
+	/** @var list<string>|null */
+	private ?array $intext = null;
+	/** @var list<string>|null */
+	private ?array $intext_regex = null;
 	/** @var int|false|null */
 	private $min_date = null;
 	/** @var int|false|null */
@@ -66,6 +70,10 @@ class FreshRSS_Search implements \Stringable {
 	private ?array $not_intitle = null;
 	/** @var list<string>|null */
 	private ?array $not_intitle_regex = null;
+	/** @var list<string>|null */
+	private ?array $not_intext = null;
+	/** @var list<string>|null */
+	private ?array $not_intext_regex = null;
 	/** @var int|false|null */
 	private $not_min_date = null;
 	/** @var int|false|null */
@@ -106,6 +114,7 @@ class FreshRSS_Search implements \Stringable {
 		$input = $this->parseNotDateSearch($input);
 
 		$input = $this->parseNotIntitleSearch($input);
+		$input = $this->parseNotIntextSearch($input);
 		$input = $this->parseNotAuthorSearch($input);
 		$input = $this->parseNotInurlSearch($input);
 		$input = $this->parseNotTagsSearch($input);
@@ -119,6 +128,7 @@ class FreshRSS_Search implements \Stringable {
 		$input = $this->parseDateSearch($input);
 
 		$input = $this->parseIntitleSearch($input);
+		$input = $this->parseIntextSearch($input);
 		$input = $this->parseAuthorSearch($input);
 		$input = $this->parseInurlSearch($input);
 		$input = $this->parseTagsSearch($input);
@@ -189,6 +199,23 @@ class FreshRSS_Search implements \Stringable {
 		return $this->not_intitle_regex;
 	}
 
+	/** @return list<string>|null */
+	public function getIntext(): ?array {
+		return $this->intext;
+	}
+	/** @return list<string>|null */
+	public function getIntextRegex(): ?array {
+		return $this->intext_regex;
+	}
+	/** @return list<string>|null */
+	public function getNotIntext(): ?array {
+		return $this->not_intext;
+	}
+	/** @return list<string>|null */
+	public function getNotIntextRegex(): ?array {
+		return $this->not_intext_regex;
+	}
+
 	public function getMinDate(): ?int {
 		return $this->min_date ?: null;
 	}
@@ -494,7 +521,6 @@ class FreshRSS_Search implements \Stringable {
 
 	/**
 	 * Parse the search string to find intitle keyword and the search related to it.
-	 * The search is the first word following the keyword.
 	 */
 	private function parseIntitleSearch(string $input): string {
 		if (preg_match_all('#\\bintitle:(?P<search>/.*?(?<!\\\\)/[im]*)#', $input, $matches)) {
@@ -536,6 +562,49 @@ class FreshRSS_Search implements \Stringable {
 		return $input;
 	}
 
+	/**
+	 * Parse the search string to find intext keyword and the search related to it.
+	 */
+	private function parseIntextSearch(string $input): string {
+		if (preg_match_all('#\\bintext:(?P<search>/.*?(?<!\\\\)/[im]*)#', $input, $matches)) {
+			$this->intext_regex = self::htmlspecialchars_decodes($matches['search']);
+			$input = str_replace($matches[0], '', $input);
+		}
+		if (preg_match_all('/\\bintext:(?P<delim>[\'"])(?P<search>.*)(?P=delim)/U', $input, $matches)) {
+			$this->intext = $matches['search'];
+			$input = str_replace($matches[0], '', $input);
+		}
+		if (preg_match_all('/\\bintext:(?P<search>[^\s"]*)/', $input, $matches)) {
+			$this->intext = array_merge($this->intext ?? [], $matches['search']);
+			$input = str_replace($matches[0], '', $input);
+		}
+		$this->intext = self::removeEmptyValues($this->intext);
+		if (empty($this->intext)) {
+			$this->intext = null;
+		}
+		return $input;
+	}
+
+	private function parseNotIntextSearch(string $input): string {
+		if (preg_match_all('#(?<=[\\s(]|^)[!-]intext:(?P<search>/.*?(?<!\\\\)/[im]*)#', $input, $matches)) {
+			$this->not_intext_regex = self::htmlspecialchars_decodes($matches['search']);
+			$input = str_replace($matches[0], '', $input);
+		}
+		if (preg_match_all('/(?<=[\\s(]|^)[!-]intext:(?P<delim>[\'"])(?P<search>.*)(?P=delim)/U', $input, $matches)) {
+			$this->not_intext = $matches['search'];
+			$input = str_replace($matches[0], '', $input);
+		}
+		if (preg_match_all('/(?<=[\\s(]|^)[!-]intext:(?P<search>[^\s"]*)/', $input, $matches)) {
+			$this->not_intext = array_merge($this->not_intext ?? [], $matches['search']);
+			$input = str_replace($matches[0], '', $input);
+		}
+		$this->not_intext = self::removeEmptyValues($this->not_intext);
+		if (empty($this->not_intext)) {
+			$this->not_intext = null;
+		}
+		return $input;
+	}
+
 	/**
 	 * Parse the search string to find author keyword and the search related to it.
 	 * The search is the first word following the keyword except when using
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