feat(ios): utils

apps/mobile/metro-now/common/utils/array.utils.swift

@@ -0,0 +1,10 @@
+// metro-now
+// https://github.com/krystxf/metro-now
+
+func uniqueBy<T, E: Hashable>(array: [T], by keySelector: (T) -> E) -> [T] {
+    var seen = Set<E>()
+    return array.filter { element in
+        let key = keySelector(element)
+        return seen.insert(key).inserted
+    }
+}

apps/mobile/metro-now/metro-now/utils/find-closest-stop.swift

@@ -0,0 +1,29 @@
+// metro-now
+// https://github.com/krystxf/metro-now
+
+import CoreLocation
+import SwiftUI
+
+func findClosestStop(to location: CLLocation, stops: [ApiStop]) -> ApiStop? {
+    var closestStop: ApiStop?
+    var closestDistance: CLLocationDistance?
+
+    for stop in stops {
+        let stopLocation = CLLocation(latitude: stop.avgLatitude, longitude: stop.avgLongitude)
+
+        let distance = location.distance(from: stopLocation)
+
+        guard closestDistance != nil else {
+            closestStop = stop
+            closestDistance = distance
+            continue
+        }
+
+        if distance < closestDistance! {
+            closestStop = stop
+            closestDistance = distance
+        }
+    }
+
+    return closestStop
+}

apps/mobile/metro-now/metro-now/utils/get-platform-label.swift

@@ -0,0 +1,10 @@
+// metro-now
+// https://github.com/krystxf/metro-now
+
+func getPlatformLabel(_ platform: ApiPlatform) -> String {
+    if let code = platform.code {
+        return "\(platform.name) \(code)"
+    }
+
+    return platform.name
+}