(search) Adjust query parsing to trim tokens in quoted search terms

Quoted search queries that contained keywords with possessive 's endings were not returning any results, as the index does not retain that suffix, and the query parser was not stripping it away in this code path.

This solves issue #143.

code/functions/search-query/java/nu/marginalia/functions/searchquery/QueryFactory.java

@@ -71,6 +71,17 @@ public class QueryFactory {
 
                     String[] parts = StringUtils.split(str, '_');
 
+                    // Trim down tokens to match the behavior of the tokenizer used in indexing
+                    for (int i = 0; i < parts.length; i++) {
+                        String part = parts[i];
+
+                        if (part.endsWith("'s") && part.length() > 2) {
+                            part = part.substring(0, part.length()-2);
+                        }
+
+                        parts[i] = part;
+                    }
+
                     if (parts.length > 1) {
                         // Require that the terms appear in sequence
                         queryBuilder.phraseConstraint(SearchPhraseConstraint.mandatory(parts));

code/functions/search-query/test/nu/marginalia/query/svc/QueryFactoryTest.java

@@ -208,6 +208,17 @@ public class QueryFactoryTest {
         System.out.println(subquery);
     }
 
+    @Test
+    public void testQuotedApostrophe() {
+        var subquery = parseAndGetSpecs("\"bob's cars\"");
+
+        System.out.println(subquery);
+
+        Assertions.assertTrue(subquery.query.compiledQuery.contains(" bob "));
+        Assertions.assertFalse(subquery.query.compiledQuery.contains(" bob's "));
+        Assertions.assertEquals("\"bob's cars\"", subquery.humanQuery);
+    }
+
     @Test
     public void testExpansion9() {
         var subquery = parseAndGetSpecs("pie recipe");