starting SmartSearch

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})'

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)