From cba9b7e64358ea106cdc4393fea9c017bf9aa1fa Mon Sep 17 00:00:00 2001
From: frankknoll <Knoll_Frank@web.de>
Date: Thu, 23 Mar 2023 17:44:51 +0100
Subject: [PATCH] starting SmartSearch

---
 src/SmartSearch.py     | 25 +++++++++++++++++++++++++
 src/SmartSearchTest.py | 15 +++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 src/SmartSearch.py
 create mode 100644 src/SmartSearchTest.py

diff --git a/src/SmartSearch.py b/src/SmartSearch.py
new file mode 100644
index 00000000000..d4a8d6ec1ca
--- /dev/null
+++ b/src/SmartSearch.py
@@ -0,0 +1,25 @@
+import re
+
+
+class SmartSearch:
+
+    def __init__(self, searchTerm):
+        self.regexp = _SmartRegexpFactory().createSmartRegexp(searchTerm)
+
+    def matches(self, str):
+        return True if re.match(self.regexp, str, flags=re.IGNORECASE) else False
+
+
+class _SmartRegexpFactory:
+
+    def createSmartRegexp(self, searchTerm):
+        return rf'^{self.assertContainsWords(self.getWords(searchTerm))}.*$'
+
+    def getWords(self, searchTerm):
+        return re.split(r'\s+', searchTerm)
+
+    def assertContainsWords(self, words):
+        return ''.join([self.assertContainsWord(word) for word in words])
+
+    def assertContainsWord(self, word):
+        return f'(?=.*?{word})'
diff --git a/src/SmartSearchTest.py b/src/SmartSearchTest.py
new file mode 100644
index 00000000000..1fec6ef5ffc
--- /dev/null
+++ b/src/SmartSearchTest.py
@@ -0,0 +1,15 @@
+import unittest
+from SmartSearch import SmartSearch
+
+
+class SmartSearchTest(unittest.TestCase):
+
+    def test_smartSearch(self):
+        self.assertEqual(SmartSearch(searchTerm = 'one two three').matches('one two three'), True)
+        self.assertEqual(SmartSearch(searchTerm = 'one two three').matches('ONE two ThReE'), True)
+        self.assertEqual(SmartSearch(searchTerm = 'one two three').matches('one two'), False)
+        self.assertEqual(SmartSearch(searchTerm = 'one two three').matches('three two'), False)
+        self.assertEqual(SmartSearch(searchTerm = 'one two three').matches('three two one'), True)
+        self.assertEqual(SmartSearch(searchTerm = 'one two three').matches('TESTone twoTEST TESTthreeTEST'), True)
+        self.assertEqual(SmartSearch(searchTerm = 'eins zwei drei').matches('drei, EINS oder zwei?'), True)
+        self.assertEqual(SmartSearch(searchTerm = 'eins zwei drei').matches('drei, ONE oder zwei?'), False)