From f12cacbc7c6460a0d0dd0d0a096b35c4930c616b Mon Sep 17 00:00:00 2001
From: Nathan Bolender <nathan@nathanbolender.com>
Date: Thu, 8 Jun 2017 23:20:11 -0400
Subject: [PATCH] Allow search-as-you-type functionality on boolean search

---
 src/TNTSearch.php | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/TNTSearch.php b/src/TNTSearch.php
index 81760dd..f99620e 100644
--- a/src/TNTSearch.php
+++ b/src/TNTSearch.php
@@ -130,6 +130,9 @@ public function search($phrase, $numOfResults = 100)
 
     public function searchBoolean($phrase, $numOfResults = 100)
     {
+		$keywords   = $this->breakIntoTokens($phrase);
+		$lastKeyword = end($keywords);
+
         $stack      = [];
         $startTimer = microtime(true);
 
@@ -141,11 +144,13 @@ public function searchBoolean($phrase, $numOfResults = 100)
                 $left  = array_pop($stack);
                 $right = array_pop($stack);
                 if (is_string($left)) {
-                    $left = $this->getAllDocumentsForKeyword($this->stemmer->stem($left), true)
+					$isLastKeyword = $left == $lastKeyword;
+                    $left = $this->getAllDocumentsForKeyword($this->stemmer->stem($left), true, $isLastKeyword)
                         ->pluck('doc_id');
                 }
                 if (is_string($right)) {
-                    $right = $this->getAllDocumentsForKeyword($this->stemmer->stem($right), true)
+					$isLastKeyword = $right == $lastKeyword;
+                    $right = $this->getAllDocumentsForKeyword($this->stemmer->stem($right), true, $isLastKeyword)
                         ->pluck('doc_id');
                 }
                 if (is_null($left)) {
@@ -162,11 +167,13 @@ public function searchBoolean($phrase, $numOfResults = 100)
                 $right = array_pop($stack);
 
                 if (is_string($left)) {
-                    $left = $this->getAllDocumentsForKeyword($this->stemmer->stem($left), true)
+					$isLastKeyword = $left == $lastKeyword;
+                    $left = $this->getAllDocumentsForKeyword($this->stemmer->stem($left), true, $isLastKeyword)
                         ->pluck('doc_id');
                 }
                 if (is_string($right)) {
-                    $right = $this->getAllDocumentsForKeyword($this->stemmer->stem($right), true)
+					$isLastKeyword = $right == $lastKeyword;
+                    $right = $this->getAllDocumentsForKeyword($this->stemmer->stem($right), true, $isLastKeyword)
                         ->pluck('doc_id');
                 }
                 if (is_null($left)) {