Classmate.swift

import Foundation
import SwiftyJSON

public struct Classmate {
	
	// MARK: - Parameters
	public let id: Int
	public let name: String
	public let gender: Gender
	public let avatarURL: String
	public let coverPhotoURL: String
	
	private struct Keys {
		static let id = "id"
		static let name = "name"
		static let gender = "gender"
		static let avatarURL = "avatar_url"
		static let coverPhotoURL = "cover_photo_url"
	}
	
	public init?(with json: JSON) {
		
		guard let id = json[Keys.id].int else { return nil }
		guard let name = json[Keys.name].string else { return nil }
		guard let genderValue = json[Keys.gender].string else { return nil }
		guard let gender = Gender(withValue: genderValue) else { return nil }
		guard let avatarURL = json[Keys.avatarURL].string else { return nil }
		guard let coverPhotoURL = json[Keys.coverPhotoURL].string else { return nil }
		
		self.id = id
		self.name = name
		self.gender = gender
		self.avatarURL = avatarURL
		self.coverPhotoURL = coverPhotoURL
	}
	
	public static func generateClassmates(with json: JSON) -> [Classmate] {
		guard json.isArray else { return [] }
		var classmates: [Classmate] = []
		for (_, json) : (String, JSON) in json {
			if let classmate = Classmate(with: json) {
				classmates.append(classmate)
			}
		}
		return classmates
	}
}