From 4424932fed7110505ab23535529a80a332ccbf73 Mon Sep 17 00:00:00 2001
From: Ashish Bailkeri <aboss@nbp-126-192.nbp.ruw.rutgers.edu>
Date: Sat, 25 Feb 2023 22:38:44 -0500
Subject: [PATCH] Seller Filtering

---
 lib/meetings.dart | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/lib/meetings.dart b/lib/meetings.dart
index f09c4e6..1b094cb 100644
--- a/lib/meetings.dart
+++ b/lib/meetings.dart
@@ -9,22 +9,29 @@ class TimeRange {
   TimeRange(this.startTime, this.endTime);
 }
 
+class PriceRange {
+  int low = 0;
+  int high = 0;
+
+  PriceRange(this.low, this.high);
+}
+
 class Seller {
   String name = "";
   String uid = "";
-  String location = "";
+  List<String> location;
   TimeRange availableTime;
-  Int64 price;
+  int price;
 
   Seller(this.name, this.uid, this.location, this.availableTime, this.price);
 }
 
 class Filter {
-  String? location;
-  Int64? price;
+  List<String>? locations;
+  PriceRange? price;
   TimeRange? meetingTime;
 
-  Filter(this.location, this.price, this.meetingTime);
+  Filter(this.locations, this.price, this.meetingTime);
 }
 
 Future<List<Seller>> getSellers(Filter filter) async {
@@ -32,8 +39,10 @@ Future<List<Seller>> getSellers(Filter filter) async {
   List<Seller> sellers = List.empty();
 
   final Query query = users
-      .where('location', isEqualTo: filter.location)
-      .where('price', isEqualTo: filter.price)
+      .where('location', arrayContainsAny: filter.locations)
+      .where('price',
+          isGreaterThanOrEqualTo: filter.price?.low,
+          isLessThanOrEqualTo: filter.price?.high)
       .where('start-time',
           isGreaterThanOrEqualTo: filter.meetingTime?.startTime)
       .where('end-time', isLessThanOrEqualTo: filter.meetingTime?.endTime);