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| 1 | +import Foundation |
| 2 | + |
| 3 | +// ESTE PROGRAMA PARA SU CORRECTRO FUNCIONAMIENTO SIN LOS METODOS sleep() SE TIENE QUE USAR EN UN PLAYGROUND. |
| 4 | + |
| 5 | +var webUrlString = "https://www.swift.org" |
| 6 | +guard let webUrl = URL(string: webUrlString) else { |
| 7 | + print("URL inválida") |
| 8 | + exit(1) |
| 9 | +} |
| 10 | + |
| 11 | +// Crear una solicitud URLRequest. |
| 12 | +var webRequest = URLRequest(url: webUrl) |
| 13 | +webRequest.httpMethod = "GET" |
| 14 | + |
| 15 | +// Crear una sesión URLSession. |
| 16 | +let session = URLSession.shared |
| 17 | + |
| 18 | +// Crear una tarea de datos |
| 19 | +let task = session.dataTask(with: webRequest) { (data, response, error) in |
| 20 | + // Verificar si hay algún error |
| 21 | + if let error = error { |
| 22 | + print("Error: \(error).") |
| 23 | + return |
| 24 | + } |
| 25 | + |
| 26 | + // Verificar si se recibió una respuesta HTTP. |
| 27 | + guard let httpResponse = response as? HTTPURLResponse else { |
| 28 | + print("Respuesta HTTP inválida.") |
| 29 | + return |
| 30 | + } |
| 31 | + |
| 32 | + // Verificar si la solicitud fue exitosa (código de estado 2xx). |
| 33 | + guard (200...299).contains(httpResponse.statusCode) else { |
| 34 | + print("Error en la solicitud. Código de estado: \(httpResponse.statusCode).") |
| 35 | + return |
| 36 | + } |
| 37 | + |
| 38 | + // Verificar si se recibieron datos. |
| 39 | + guard let responseData = data else { |
| 40 | + print("No se recibieron datos.") |
| 41 | + return |
| 42 | + } |
| 43 | + |
| 44 | + // Imprime el contenido html de la pagina. |
| 45 | + if let dataString = String(data: responseData, encoding: .utf8) { |
| 46 | + print(dataString) |
| 47 | + } else { |
| 48 | + print("No hay datos que mostrar.") |
| 49 | + } |
| 50 | +} |
| 51 | + |
| 52 | +// Empezar la tarea |
| 53 | +task.resume() |
| 54 | +sleep(1) |
| 55 | + |
| 56 | + |
| 57 | + |
| 58 | + |
| 59 | +// DIFICULTAD EXTRA |
| 60 | +print("\nDIFICULTAD EXTRA.\n") |
| 61 | + |
| 62 | + |
| 63 | +// Pide por consola el nombre del pokemon para añadirlo al endpoint |
| 64 | +print("Introduce el nombre del pokemon que quieras ver la info:") |
| 65 | +guard let pokemonName = readLine() else { |
| 66 | + fatalError() |
| 67 | +} |
| 68 | + |
| 69 | + |
| 70 | +// Structuras para la info del pokemon |
| 71 | +struct Pokemon: Codable { |
| 72 | + let gameIndices: [GameIndex] |
| 73 | + let height: Int |
| 74 | + let id: Int |
| 75 | + let name: String |
| 76 | + let types: [PokemonType] |
| 77 | + let weight: Int |
| 78 | + |
| 79 | + private enum CodingKeys: String, CodingKey { |
| 80 | + case gameIndices = "game_indices" |
| 81 | + case height, id, name, types, weight |
| 82 | + } |
| 83 | +} |
| 84 | + |
| 85 | +struct GameIndex: Codable { |
| 86 | + let gameIndex: Int |
| 87 | + let version: Version |
| 88 | + |
| 89 | + private enum CodingKeys: String, CodingKey { |
| 90 | + case gameIndex = "game_index" |
| 91 | + case version |
| 92 | + } |
| 93 | +} |
| 94 | + |
| 95 | +struct Version: Codable { |
| 96 | + let name: String |
| 97 | + let url: String |
| 98 | +} |
| 99 | + |
| 100 | +struct PokemonType: Codable { |
| 101 | + let slot: Int |
| 102 | + let type: Type |
| 103 | + |
| 104 | + private enum CodingKeys: String, CodingKey { |
| 105 | + case slot, type |
| 106 | + } |
| 107 | +} |
| 108 | + |
| 109 | +struct Type: Codable { |
| 110 | + let name: String |
| 111 | + let url: String |
| 112 | +} |
| 113 | + |
| 114 | + |
| 115 | +// Solicitud para la info del pokemon |
| 116 | +var apiUrlString = "https://pokeapi.co/api/v2/pokemon/\(pokemonName)" |
| 117 | +guard var apiUrl = URL(string: apiUrlString) else { |
| 118 | + print("URL inválida") |
| 119 | + exit(1) |
| 120 | +} |
| 121 | + |
| 122 | +// Crear una solicitud URLRequest. |
| 123 | +var apiRequest = URLRequest(url: apiUrl) |
| 124 | +apiRequest.httpMethod = "GET" |
| 125 | + |
| 126 | +// Crear una sesión URLSession. |
| 127 | +let apiSession = URLSession.shared |
| 128 | + |
| 129 | +// Crear una tarea de datos |
| 130 | +let apiTask = apiSession.dataTask(with: apiRequest) { (data, response, error) in |
| 131 | + // Verificar si hay algún error |
| 132 | + if let error = error { |
| 133 | + print("Error: \(error).") |
| 134 | + return |
| 135 | + } |
| 136 | + |
| 137 | + // Verificar si se recibió una respuesta HTTP. |
| 138 | + guard let httpResponse = response as? HTTPURLResponse else { |
| 139 | + print("Respuesta HTTP inválida.") |
| 140 | + return |
| 141 | + } |
| 142 | + |
| 143 | + // Verificar si la solicitud fue exitosa (código de estado 2xx). |
| 144 | + guard (200...299).contains(httpResponse.statusCode) else { |
| 145 | + print("Error en la solicitud. Código de estado: \(httpResponse.statusCode).") |
| 146 | + return |
| 147 | + } |
| 148 | + |
| 149 | + // Verificar si se recibieron datos. |
| 150 | + guard let responseData = data else { |
| 151 | + print("No se recibieron datos.") |
| 152 | + return |
| 153 | + } |
| 154 | + |
| 155 | + let decoder = JSONDecoder() |
| 156 | + |
| 157 | + do { |
| 158 | + let pokemon = try decoder.decode(Pokemon.self, from: responseData) |
| 159 | + print("Nombre: \(pokemon.name)") |
| 160 | + print("ID: \(pokemon.id)") |
| 161 | + print("Peso: \(pokemon.weight)") |
| 162 | + print("Altura: \(pokemon.height)") |
| 163 | + |
| 164 | + print("Typos: ") |
| 165 | + for type in pokemon.types { |
| 166 | + print("\t\(type.type.name)") |
| 167 | + } |
| 168 | + |
| 169 | + print("Juegos: ") |
| 170 | + for game in pokemon.gameIndices { |
| 171 | + print("\t\(game.version.name)") |
| 172 | + } |
| 173 | + } catch { |
| 174 | + print(error) |
| 175 | + } |
| 176 | +} |
| 177 | + |
| 178 | +// Empezar la tarea |
| 179 | +apiTask.resume() |
| 180 | +sleep(1) |
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