From 5da7a951e320b0d9126e2ae4176392756c59ddab Mon Sep 17 00:00:00 2001
From: Fred Boniface <fred@fjla.uk>
Date: Fri, 21 Apr 2023 21:12:49 +0100
Subject: [PATCH] Add search query for findPisByOrigDest

Signed-off-by: Fred Boniface <fred@fjla.uk>
---
 src/services/pis.services.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/services/pis.services.js b/src/services/pis.services.js
index 4df4595..54cea13 100644
--- a/src/services/pis.services.js
+++ b/src/services/pis.services.js
@@ -7,7 +7,11 @@ async function findPisByOrigDest(start,end) {
     log.out(`pisServices.findPisByOrigDest: Searching for PIS for Orig: ${start}, Dest: ${end}`, "dbug")
     /* Here, I need to query the collection for a document with a stops array starting with $start
        and ending with $end.  This will return an array of one or more pis codes and stopping patterns*/
-    const search = db.query("pis", {query:query})
+    // Query to find first stop: {$expr:{$eq:[{$first:"$stops"},start]}}
+    // Query to find end stop: {$expr:{$eq:[{$last:"$stops"},end]}}
+    // Attempt at combining the queries:
+    // {$and:[{$expr:{$eq:[{$first:"$stops"},start]}},{$expr:{$eq:[{$last:"$stops"},end]}}]}
+    const search = db.query("pis", {$and:[{$expr:{$eq:[{$first:"$stops"},start]}},{$expr:{$eq:[{$last:"$stops"},end]}}]})
     return search
 }