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iOSͰ௨৴ॲཧΛ؆ܿʹॻ͘
2018/12/25 ΫϦϘονΛٹ͏ձɻ
PKPK-Carnage
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About me
• iOSྺ2ͪΐͬͱ
• খֶੜ͔ΒͣͬͱΞϝίϛ͕͖
• Qiita → @PKPK-Carnage
• Github → PKPK-Carnage
• Twitter → @PKPK-Carnage
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౦ژίϛίϯʹߦ͖ͬͯ·ͨ͠
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౦ژίϛίϯʹߦ͖ͬͯ·ͨ͠
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͜Ε͚ͩΞϝίϛ͕ਓؾʹͳͬͨͷʹɺ
Ͳ͏ͯࣗ͠ҰਓͰίϛίϯʹ͍ΔΜͩɾɾɾ
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No content
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Marvel APIͰΞϓϦΛ࡞Εɺ
΅ͬͪΛճආͰ͖ΔͷͰʂʁ
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Marvel APIͬͯͳΜͩʁ
• MarvelͷίϛοΫʹؔ͢ΔใΛऔಘͰ͖ΔWebAPI
• ৄ͘͠Qiitaʹهࣄॻ͖·ͨ͠(એ)
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௨৴ॲཧΛ࡞Δ
• Swift4.2Λ༻
• ϑϨʔϜϫʔΫ(Alamofire)Λ༻
• CodableͰjsonΛύʔε͢Δ
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௨৴ॲཧΛ࡞Δ
• Swift4.2Λ༻
• ϑϨʔϜϫʔΫ(Alamofire)Λ༻
• CodableͰjsonΛύʔε͢Δ
• ग़དྷΔ͚ͩ؆ܿʹॻ͘ʂ
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ͱΓ͋͑ͣॻ͍ͯΈΔɻ
import Alamofire
class APIManager {
static func request(urlString: String,
parameter: [String: Any],
success: @escaping (Data) -> Void,
failure: @escaping (Error) -> Void) {
// ڞ௨URLΛ݁߹
let url = "https://gateway.marvel.com/v1/public/\(urlString)"
// ௨৴Λߦ͏
Alamofire.request(url, parameters: parameter).responseData { response in
switch response.result {
case .success(let data):
success(data)
case .failure(let error):
failure(error)
}
}
}
}
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ͱΓ͋͑ͣॻ͍ͯΈΔɻ
extension APIManager {
// ΩϟϥΫλʔͷҰཡΛऔಘ͢ΔAPI
static func characterList(parameter: CharacterListRequest,
success: @escaping (CharacterListResponse) -> Void,
failure: @escaping (Error) -> Void) {
self.request(urlString: "characters", parameter: parameter.dict, success: { data in
do {
let data = try JSONDecoder().decode(CharacterListResponse.self, from: data)
success(data)
} catch {
failure(error)
}
}, failure: failure)
}
}
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ͱΓ͋͑ͣॻ͍ͯΈΔɻ
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ͱΓ͋͑ͣॻ͍ͯΈΔɻ
extension APIManager {
// ΩϟϥΫλʔͷҰཡΛऔಘ͢ΔAPI
static func characterList(parameter: CharacterListRequest,
success: @escaping (CharacterListResponse) -> Void,
failure: @escaping (Error) -> Void) {
self.request(urlString: “characters", parameter: parameter.dict, success: { data in
do {
let data = try JSONDecoder().decode(CharacterListResponse.self, from: data)
success(data)
} catch {
failure(error)
}
}, failure: failure)
}
}
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ͱΓ͋͑ͣॻ͍ͯΈΔɻ
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extension APIManager {
// ίϛοΫͷҰཡΛऔಘ͢ΔAPI
static func comicList(parameter: ComicListRequest,
success: @escaping (ComicListResponse) -> Void,
failure: @escaping (Error) -> Void) {
self.request(urlString: "comics", parameter: parameter.dict, success: { data in
do {
let data = try JSONDecoder().decode(ComicListResponse.self, from: data)
success(data)
} catch {
failure(error)
}
}, failure: failure)
}
}
extension APIManager {
// ΠϕϯτͷҰཡΛऔಘ͢ΔAPI
static func eventList(parameter: EventListRequest,
success: @escaping (EventListResponse) -> Void,
failure: @escaping (Error) -> Void) {
extension APIManager {
// ΩϟϥΫλʔͷҰཡΛऔಘ͢ΔAPI
static func characterList(parameter: CharacterListRequest,
success: @escaping (CharacterListResponse) -> Void,
failure: @escaping (Error) -> Void) {
self.request(urlString: “characters", parameter: parameter.dict, success: { data in
do {
let data = try JSONDecoder().decode(CharacterListResponse.self, from: data)
success(data)
} catch {
failure(error)
}
}, failure: failure)
}
}
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શવ؆ܿʹॻ͚ͯͳ͍
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֤API͝ͱʹϝιουΛॻ͔ͣʹɺڞ௨Խ͠Α͏
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enumͱprotocolΛ׆༻͢Δ
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ProtocolΛ࡞͢Δ
protocol APIType {
var url: String { get }
var parameter: [String: Any] { get }
}
֤API͝ͱʹඞཁͳϦΫΤετใΛऔಘ͢ΔͨΊͷProtocolΛ࡞͢Δ
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ҎԼͷೋͭͷAPIͰenumΛ࡞ͬͯΈΔ
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enumΛ࡞͢Δ
struct APITypes {
private static let baseURL = "http://gateway.marvel.com/v1/public/"
enum Character {
case list(CharacterListRequest)
case comics(CharacterComicListRequest)
}
}
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enumΛ࡞͢Δ
struct APITypes {
private static let baseURL = "http://gateway.marvel.com/v1/public/"
enum Character: APIType {
case list(CharacterListRequest)
case comics(CharacterComicListRequest)
var url: String {
let characterURL = "characters"
switch self {
case .list:
return APITypes.baseURL + characterURL
case .comics(let request):
return APITypes.baseURL + “\(characterURL)/\(request.id)/comics”
}
}
var parameter: [String : Any] {
switch self {
case .list(let request):
return request.dict
case .comics(let request):
return request.dict
}
}
}
}
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࠷ॳ͜͏ͩͬͨڞ௨ϦΫΤετͷॲཧ͕ɾɾɾ
import Alamofire
class APIManager {
static func request(urlString: String,
parameter: [String: Any],
success: @escaping (Data) -> Void,
failure: @escaping (Error) -> Void) {
// ڞ௨URLΛ݁߹
let url = "https://gateway.marvel.com/v1/public/\(urlString)"
// ௨৴Λߦ͏
Alamofire.request(url, parameters: parameter).responseData { response in
switch response.result {
case .success(let data):
success(data)
case .failure(let error):
failure(error)
}
}
}
}
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͜͏ͳΔ
import Alamofire
class APIManager {
static func request(type: APIType,
success: @escaping (Data) -> Void,
failure: @escaping (Error) -> Void) {
// ௨৴Λߦ͏
Alamofire.request(type.url, parameters: type.parameter).responseData { response in
switch response.result {
case .success(let data):
success(data)
case .failure(let error):
failure(error)
}
}
}
}
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֤API͝ͱͷϝιου͕ɾɾɾ
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extension APIManager {
// ίϛοΫͷҰཡΛऔಘ͢ΔAPI
static func comicList(parameter: ComicListRequest,
success: @escaping (ComicListResponse) -> Void,
failure: @escaping (Error) -> Void) {
self.request(urlString: "comics", parameter: parameter.dict, success: { data in
do {
let data = try JSONDecoder().decode(ComicListResponse.self, from: data)
success(data)
} catch {
failure(error)
}
}, failure: failure)
}
}
extension APIManager {
// ΠϕϯτͷҰཡΛऔಘ͢ΔAPI
static func eventList(parameter: EventListRequest,
success: @escaping (EventListResponse) -> Void,
extension APIManager {
// ΩϟϥΫλʔͷҰཡΛऔಘ͢ΔAPI
static func characterList(parameter: CharacterListRequest,
success: @escaping (CharacterListResponse) -> Void,
failure: @escaping (Error) -> Void) {
self.request(urlString: “characters", parameter: parameter.dict, success: { data in
do {
let data = try JSONDecoder().decode(CharacterListResponse.self, from: data)
success(data)
} catch {
failure(error)
}
}, failure: failure)
}
}
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ඞཁແ͘ͳΔʂ
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࣮ࡍʹAPIΛୟ͘ͱ͜Μͳײ͡
// ΩϟϥΫλʔͷҰཡΛऔಘ͢Δ
func fetchCharacterListData(parameters: CharacterListRequest) {
APIManager.request(type: APITypes.Character.list(parameters),
success: { data in
do {
let response = try JSONDecoder().decode(CharacterListResponse.self, from: data)
// ௨৴&σίʔυޭ࣌ͷॲཧ
} catch {
// σίʔυΤϥʔ࣌ͷॲཧ
}
},
failure: { error in
// ௨৴Τϥʔ࣌ͷॲཧ
})
}
// ΩϟϥΫλʔ͝ͱͷίϛοΫҰཡΛऔಘ͢Δ
func fetchCharacterComicListData(_ parameters: CharacterComicListRequest) {
APIManager.request(type: APITypes.Character.comics(parameters),
success: { data in
do {
let response = try JSONDecoder().decode(CharacterComicListResponse.self, from: data)
// ௨৴&σίʔυޭ࣌ͷॲཧ
} catch {
// σίʔυΤϥʔ࣌ͷॲཧ
}
},
failure: { error in
// ௨৴Τϥʔ࣌ͷॲཧ
})
}
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͋Εɾɾɾʁ
// ΩϟϥΫλʔͷҰཡΛऔಘ͢Δ
func fetchCharacterListData(parameters: CharacterListRequest) {
APIManager.request(type: APITypes.Character.list(parameters),
success: { data in
do {
let response = try JSONDecoder().decode(CharacterListResponse.self, from: data)
// ௨৴&σίʔυޭ࣌ͷॲཧ
} catch {
// σίʔυΤϥʔ࣌ͷॲཧ
}
},
failure: { error in
// ௨৴Τϥʔ࣌ͷॲཧ
})
}
// ΩϟϥΫλʔ͝ͱͷίϛοΫҰཡΛऔಘ͢Δ
func fetchCharacterComicListData(_ parameters: CharacterComicListRequest) {
APIManager.request(type: APITypes.Character.comics(parameters),
success: { data in
do {
let response = try JSONDecoder().decode(CharacterComicListResponse.self, from: data)
// ௨৴&σίʔυޭ࣌ͷॲཧ
} catch {
// σίʔυΤϥʔ࣌ͷॲཧ
}
},
failure: { error in
// ௨৴Τϥʔ࣌ͷॲཧ
})
}
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ϨεϙϯεͷσίʔυॲཧΛ
ຖճॻ͔͞ΕͯΔ
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֤Ϩεϙϯε͝ͱʹσίʔυॲཧΛॻ͔ͣʹɺڞ௨Խ͠Α͏
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GenericsΛ׆༻͢Δ
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GenericsΛద༻͢Δ
import Alamofire
class APIManager {
static func request(type: APIType,
success: @escaping (Data) -> Void,
failure: @escaping (Error) -> Void) {
// ௨৴Λߦ͏
Alamofire.request(type.url, parameters: type.parameter).responseData { response in
switch response.result {
case .success(let data):
success(data)
case .failure(let error):
failure(error)
}
}
}
}
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GenericsΛద༻͢Δ
import Alamofire
class APIManager {
static func request(type: APIType,
success: @escaping (T) -> Void,
failure: @escaping (Error) -> Void) {
// ௨৴Λߦ͏
Alamofire.request(type.url, parameters: type.parameter).responseData { response in
switch response.result {
case .success(let data):
do {
let decodedData = try JSONDecoder().decode(T.self, from: data)
success(decodedData)
} catch {
failure(error)
}
case .failure(let error):
failure(error)
}
}
}
}
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σίʔυ͕ڞ௨Խ͞ΕΔͱɾɾɾ
// ΩϟϥΫλʔͷҰཡΛऔಘ͢Δ
func fetchCharacterListData(parameters: CharacterListRequest) {
APIManager.request(type: APITypes.Character.list(parameters),
success: { data in
do {
let response = try JSONDecoder().decode(CharacterListResponse.self, from: data)
// ௨৴&σίʔυޭ࣌ͷॲཧ
} catch {
// σίʔυΤϥʔ࣌ͷॲཧ
}
},
failure: { error in
// ௨৴Τϥʔ࣌ͷॲཧ
})
}
// ΩϟϥΫλʔ͝ͱͷίϛοΫҰཡΛऔಘ͢Δ
func fetchCharacterComicListData(_ parameters: CharacterComicListRequest) {
APIManager.request(type: APITypes.Character.comics(parameters),
success: { data in
do {
let response = try JSONDecoder().decode(CharacterComicListResponse.self, from: data)
// ௨৴&σίʔυޭ࣌ͷॲཧ
} catch {
// σίʔυΤϥʔ࣌ͷॲཧ
}
},
failure: { error in
// ௨৴Τϥʔ࣌ͷॲཧ
})
}
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͜͏ͳΔ
// ΩϟϥΫλʔͷҰཡΛऔಘ͢Δ
func fetchCharacterListData(parameters: CharacterListRequest) {
APIManager.request(type: APITypes.Character.list(parameters),
success: { data in
// ޭ࣌ͷॲཧ(data = CharacterListResponse)
},
failure: { error in
// ௨৴ΤϥʔσίʔυΤϥʔ࣌ͷॲཧ
})
}
// ΩϟϥΫλʔ͝ͱͷίϛοΫҰཡΛऔಘ͢Δ
func fetchCharacterComicListData(_ parameters: CharacterComicListRequest) {
APIManager.request(type: APITypes.Character.comics(parameters),
success: { data in
// ޭ࣌ͷॲཧ(data = CharacterComicListResponse)
},
failure: { error in
// ௨৴ΤϥʔσίʔυΤϥʔ࣌ͷॲཧ
})
}
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☺
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·ͱΊ
• ϦΫΤετͷΓ͚enumͱprotocolͰཧͰ͖Δ
• ϨεϙϯεͷσίʔυGenericsͰڞ௨Խग़དྷΔ
• ΫϦεϚε·ͰʹMarvelͷΞϓϦΛ࡞Γ্͛Δ͜ͱ͕Ͱ͖ͳ
͔ͬͨͷͰ͜͜Ͱൃද͍ͯ͠Δ
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͓͠·͍