From efed1725680a59ae03367e3f3a6b494e4ae20924 Mon Sep 17 00:00:00 2001
From: Aaron Brethorst <aaron@brethorsting.com>
Date: Sat, 13 Jul 2024 20:45:08 -0700
Subject: [PATCH 1/2] Debounce search queries in LocationServices

This will reduce the chances of us getting throttled by MKLocalSearchCompleter's backend service
---
 OTPKit/Services/LocationServices.swift | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/OTPKit/Services/LocationServices.swift b/OTPKit/Services/LocationServices.swift
index 11e0b52..0c74076 100644
--- a/OTPKit/Services/LocationServices.swift
+++ b/OTPKit/Services/LocationServices.swift
@@ -14,18 +14,31 @@ public final class LocationService: NSObject, ObservableObject, MKLocalSearchCom
 
     @Published var completions = [Location]()
 
-    init(completer: MKLocalSearchCompleter = MKLocalSearchCompleter()) {
+    init(completer: MKLocalSearchCompleter = MKLocalSearchCompleter(), debounceInterval: TimeInterval = 0.3) {
         self.completer = completer
+        self.debounceInterval = debounceInterval
         super.init()
         self.completer.delegate = self
     }
 
-    /// update method responsible for updating the queryFragement of `completer`
-    /// - Parameter queryFragment: this manage the searched query for `completer`
+    deinit {
+        debounceTimer?.invalidate()
+    }
+
+    private let debounceInterval: TimeInterval
 
+    private var debounceTimer: Timer?
+
+    /// Initiates a local search for `queryFragment`.
+    /// This will be debounced, as set by the `debounceInterval` on the initializer.
+    /// - Parameter queryFragment: The search term
     public func update(queryFragment: String) {
-        completer.resultTypes = .query
-        completer.queryFragment = queryFragment
+        debounceTimer?.invalidate()
+        debounceTimer = Timer.scheduledTimer(withTimeInterval: debounceInterval, repeats: false) { [weak self] _ in
+            guard let self else { return }
+            completer.resultTypes = .query
+            completer.queryFragment = queryFragment
+        }
     }
 
     /// completerDidUpdateResults is method that finished the search functionality and update the `completer`.

From 621532b09c0ddec47783f631b05081af80c8e92f Mon Sep 17 00:00:00 2001
From: Aaron Brethorst <aaron@brethorsting.com>
Date: Sat, 13 Jul 2024 20:45:36 -0700
Subject: [PATCH 2/2] Add a prompt in the demo app for accessing the user's
 location

---
 project.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/project.yml b/project.yml
index dd73278..671ed92 100644
--- a/project.yml
+++ b/project.yml
@@ -18,6 +18,7 @@ targets:
       path: OTPKitDemo/Info.plist
       properties:
         CFBundleShortVersionString: "$(MARKETING_VERSION)"
+        NSLocationWhenInUseUsageDescription: See where you are in relation to transit, and help you navigate more easily.
     type: application
     platform: iOS
     settings: