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Results filter is now search radius in miles (5/10/15); relay fetch scoped to radius, limit 500; changing miles re-fetches; caption shows stations within N miles

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FuelBoard Contributor
2026-08-11 18:02:23 +01:00
parent 810cc2c006
commit 213f93aa04
4 changed files with 34 additions and 19 deletions
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Shared/FuelPriceProvider.swift
+8 -7
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@@ -13,8 +13,9 @@ import Foundation
protocol FuelPriceProviding {
/// Fetch stations with prices. `location` may be nil (sort by price only).
/// Throws on failure so callers can fall back to cached/sample data.
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType) async throws -> [FuelStation]
/// `radiusKM` bounds the search area (used by the relay). Throws on failure
/// so callers can fall back to cached/sample data.
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType, radiusKM: Double) async throws -> [FuelStation]
}
enum FuelPriceProvider {
@@ -31,15 +32,15 @@ enum FuelPriceProvider {
struct RelayFuelProvider: FuelPriceProviding {
var baseURL = URL(string: "http://192.168.1.131:8788")!
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType) async throws -> [FuelStation] {
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType, radiusKM: Double) async throws -> [FuelStation] {
var components = URLComponents(url: baseURL.appendingPathComponent("api/v1/stations"), resolvingAgainstBaseURL: false)!
var query: [URLQueryItem] = [URLQueryItem(name: "fuel", value: fuel.rawValue)]
if let lat, let lng {
query.append(URLQueryItem(name: "lat", value: String(lat)))
query.append(URLQueryItem(name: "lng", value: String(lng)))
query.append(URLQueryItem(name: "radius", value: "50"))
query.append(URLQueryItem(name: "radius", value: String(radiusKM)))
}
query.append(URLQueryItem(name: "limit", value: "100"))
query.append(URLQueryItem(name: "limit", value: "500"))
components.queryItems = query
let (data, response) = try await URLSession.shared.data(from: components.url!)
@@ -106,7 +107,7 @@ private struct RelayResponse: Codable {
/// Real England-wide data comes from the relay (full-UK Fuel Finder CSV/API).
/// Prices in pence/litre.
struct SampleFuelProvider: FuelPriceProviding {
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType) async throws -> [FuelStation] {
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType, radiusKM: Double) async throws -> [FuelStation] {
try await Task.sleep(nanoseconds: 300_000_000) // simulate fetch
return Self.sampleStations
}
@@ -200,7 +201,7 @@ struct FuelFinderProvider: FuelPriceProviding {
let clientID: String
let clientSecret: String
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType) async throws -> [FuelStation] {
func fetchStations(near lat: Double?, lng: Double?, fuel: FuelType, radiusKM: Double) async throws -> [FuelStation] {
// TODO: OAuth token → GET /v1/prices → map to FuelStation.
// The live API requires authentication; see notes above.
throw FuelProviderError.notImplemented