Swift로 Qiita의 추세를 얻고 표시합니다.

Qiita API에는 추세를 얻는 API가 없습니다.

SwiftSoup

Qiita 톱 페이지 분석

import SwiftSoup
import Combine

// Qiitaのページ(1日)
let urlString = "https://qiita.com/"
// 週間: https://qiita.com/?scope=weekly
// 月間: https://qiita.com/?scope=monthly

// タスクの初期化
var task = : AnyCancellable?
// URLに変換
let url = URL(string: urlString)!

// HTMLを取得
task = URLSession.shared.dataTaskPublisher(for: url)
    .receive(on: DispatchQueue.main)
    .sink(receiveCompletion: { completion in
        switch completion {
        case .finished:
            print("成功")
        case let .failure(error):
            print(error)
        }
    }, receiveValue: { data, _ in
        do {
            let text = String(data: data, encoding: .utf8)!

            // ここからSwiftSoupでパース
            let doc: Document = try SwiftSoup.parse(text)
            let link: Element = try doc.select("div[data-hyperapp-app=Trend]").first()!
            let json: Data = try link.attr("data-hyperapp-props").data(using: .utf8)!

            // Codableでデコード
            let response = try JSONDecoder()
                .decode(TrendResponse.self,
                        from: json)

            /// edgesにトレンドの記事が格納される
            print(response.trend.edges)
        } catch {
            print("エラー")
        }
    })

Codable

struct TrendResponse: Codable {

    let scope: String
    var trend: Trend

}

struct Trend: Codable {

    let edges: [Edges]

}

struct Edges: Codable {

    let followingLikers: [Author]
    let isLikedByViewer: Bool
    let isNewArrival: Bool
    let hasCodeBlock: Bool
    let node: Node

}

struct Node: Codable {

    let createdAt: String
    let likesCount: Int
    let title: String
    let uuid: String
    let author: Author

}

struct Author: Codable {

    let profileImageUrl: String
    let urlName: String

}

완성된 화면

요약

참고 기사