Tusker/Pachyderm/Utilities/InstanceSelector.swift

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2019-09-15 19:01:35 +00:00
//
// InstanceSelector.swift
// Pachyderm
//
// Created by Shadowfacts on 9/15/19.
// Copyright © 2019 Shadowfacts. All rights reserved.
//
import Foundation
public class InstanceSelector {
private static let decoder = JSONDecoder()
public static func getInstances(category: String?, completion: @escaping Client.Callback<[Instance]>) {
let url: URL
if let category = category {
url = URL(string: "https://api.joinmastodon.org/servers?category=\(category)")!
} else {
url = URL(string: "https://api.joinmastodon.org/servers")!
}
let request = URLRequest(url: url)
let task = URLSession.shared.dataTask(with: request) { (data, response, error) in
if let error = error {
completion(.failure(error))
return
}
guard let data = data,
let response = response as? HTTPURLResponse else {
completion(.failure(Client.Error.invalidResponse))
return
}
guard response.statusCode == 200 else {
completion(.failure(Client.Error.unknownError))
return
}
guard let result = try? decoder.decode([Instance].self, from: data) else {
completion(.failure(Client.Error.invalidModel))
return
}
completion(.success(result, nil))
}
task.resume()
}
}
public extension InstanceSelector {
struct Instance: Codable {
public let domain: String
public let description: String
public let proxiedThumbnailURL: URL
public let language: String
public let category: Category
enum CodingKeys: String, CodingKey {
case domain
case description
case proxiedThumbnailURL = "proxied_thumbnail"
case language
case category
}
}
}
public extension InstanceSelector {
enum Category: String, Codable {
// source: https://source.joinmastodon.org/mastodon/joinmastodon/blob/master/src/Wizard.js#L108
case general
case regional
case art
case journalism
case activism
case lgbt
case games
case tech
case adult
case furry
case food
}
}