futureland.swift

import Foundation

struct ProjectUser: Codable {
    var id: Int
    
    enum CodingKeys: String, CodingKey {
        case id = "userId"
    }
}

struct Collaborator: Codable {
    var avatar: String
    var id: Int
    var user: ProjectUser
    var username: String
    
    enum CodingKeys: String, CodingKey {
        case avatar = "avatar_link"
        case id
        case user = "ProjectUser"
        case username = "futureland_user"
    }
}

struct Project: Codable {
    var collaborators: [Collaborator] = []
    var createdAt: String
    var description: String
    var id: Int
    var lastOutputAt: String
    var outputs: Int = 0
    var owner: ProjectUser
    var slug: String
    var title: String
    var updatedAt: String
    
    enum CodingKeys: String, CodingKey {
        case collaborators
        case createdAt
        case description
        case id
        case lastOutputAt = "last_output_at"
        case outputs = "userOutputs"
        case owner = "ProjectUser"
        case slug
        case title
        case updatedAt
    }
}

struct User: Codable {
    var avatar: String
    var id: Int
    var marathons: Int = 0
    var outputs: Int
    var projects: [Project] = []
    var supportPack: String?
    var twitter: String?
    var website: String?
    var username: String
    
    enum CodingKeys: String, CodingKey {
        case avatar = "avatar_link"
        case id
        case marathons
        case outputs
        case projects
        case supportPack = "support_pack"
        case twitter = "twitterUsername"
        case website
        case username = "futureland_user"
    }
}

let session = URLSession.shared
let url = URL(string: "https://futureland.tv/api/users/tmm")!
let task = session.dataTask(with: url) { data, response, error in
    if error != nil || data == nil {
        print("Client error")
        return
    }
    
    guard let httpResponse = response as? HTTPURLResponse, (200...299).contains(httpResponse.statusCode) else {
        print("Server error")
        return
    }
    
    guard let mime = httpResponse.mimeType, mime == "application/json" else {
        print("Wrong MIME type")
        return
    }
    
    let user = try! JSONDecoder().decode(User.self, from: data!)
    print(user.username)
    print(user.id)
    
    for project in user.projects {
        print("\(project.title) has \(project.collaborators.filter { $0.id != user.id }.count) collaborators")
    }
}

task.resume()