73 lines
2.8 KiB
Swift
73 lines
2.8 KiB
Swift
//
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// Copyright 2023 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import CoreLocation
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import Foundation
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struct MapTilerGeoCodingService: MapTilerGeoCodingServiceProtocol {
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private let key: String
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private let session: URLSession
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private let geocodingURL: String
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init(session: URLSession = .shared, key: String, geocodingURL: String) {
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self.session = session
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self.key = key
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self.geocodingURL = geocodingURL
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}
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private struct GeocodedPlace: Decodable {
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struct FeatureCollection: Decodable {
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let placeName: String
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}
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let features: [FeatureCollection]
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}
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func reverseGeoCoding(for coordinate: CLLocationCoordinate2D) async -> Result<String, MapTilerGeocodingError> {
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let latitude = coordinate.latitude
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let longitude = coordinate.longitude
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let path = String(format: geocodingURL, longitude, latitude)
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guard var url = URL(string: path) else { return .failure(.wrongGeocodingURL) }
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let authorization = MapTilerAuthorization(key: key)
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url = authorization.authorizeURL(url)
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url.append(queryItems: [.init(name: "limit", value: "1")])
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var request = URLRequest(url: url)
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request.httpMethod = "GET"
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do {
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let (data, response) = try await session.dataWithRetry(for: request)
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guard let httpResponse = response as? HTTPURLResponse, httpResponse.statusCode == 200 else {
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let errorDescription = String(data: data, encoding: .utf8)?.trimmingCharacters(in: .whitespacesAndNewlines) ?? "Unknown"
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MXLog.error("Failed to get reverse geocoding: \(errorDescription)")
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MXLog.error("Response: \(response)")
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return .failure(.geocodingFailed)
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}
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// Parse the JSON data
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let decoder = JSONDecoder()
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decoder.keyDecodingStrategy = .convertFromSnakeCase
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let decodedResponse = try decoder.decode(GeocodedPlace.self, from: data)
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guard let placeName = decodedResponse.features.first?.placeName else { return .failure(.geocodingFailed) }
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return .success(placeName)
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} catch {
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return .failure(.geocodingFailed)
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}
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}
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}
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