From 36d4aed1f58671914e19577af6736681175cc5ef Mon Sep 17 00:00:00 2001
From: Aevann <randomname42029@gmail.com>
Date: Mon, 15 May 2023 01:52:15 +0300
Subject: [PATCH] restore exact searching for posts

---
 files/routes/search.py      | 10 +++++++++-
 files/templates/search.html |  4 ++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/files/routes/search.py b/files/routes/search.py
index 8cfc31944..c6073a82d 100644
--- a/files/routes/search.py
+++ b/files/routes/search.py
@@ -19,6 +19,7 @@ valid_params = [
 	'post',
 	'before',
 	'after',
+	'exact',
 	'title',
 	'sentto',
 	search_operator_hole,
@@ -91,7 +92,14 @@ def searchposts(v:User):
 								), 403
 		posts = posts.filter(Submission.author_id == author.id)
 
-	if 'q' in criteria:
+	if 'exact' in criteria and 'full_text' in criteria:
+		regex_str = '[[:<:]]'+criteria['full_text']+'[[:>:]]' # https://docs.oracle.com/cd/E17952_01/mysql-5.5-en/regexp.html "word boundaries"
+		if 'title' in criteria:
+			words = [Submission.title.regexp_match(regex_str)]
+		else:
+			words = [or_(Submission.title.regexp_match(regex_str), Submission.body.regexp_match(regex_str))]
+		posts = posts.filter(*words)
+	elif 'q' in criteria:
 		if('title' in criteria):
 			words = [or_(Submission.title.ilike('%'+x+'%')) \
 					for x in criteria['q']]
diff --git a/files/templates/search.html b/files/templates/search.html
index 7558000c7..89c85ca32 100644
--- a/files/templates/search.html
+++ b/files/templates/search.html
@@ -78,6 +78,10 @@
 										<div style="display: inline-block; width: 150px; text-align: center;">Post Title Only:</div>
 										<button type="button" data-nonce="{{g.nonce}}" data-onclick="addParam()" class="searchparam mb-1">title:true</button>
 									</div>
+									<div>
+										<div style="display: inline-block; width: 150px; text-align: center;">Exact Match Only:</div>
+										<button type="button" data-nonce="{{g.nonce}}" data-onclick="addParam()" class="searchparam mb-1">exact:true</button>
+									</div>
 								{% endif %}
 							{% endif %}
 						</div>