Firebase Firestore getDocuments GeoPoint data

ViewController.swift

//
//  ViewController.swift
//  Futsal-Kakekomi
//
//  Created by Hiro Fukami on 2019/04/22.
//  Copyright © 2019 Hiro Fukami. All rights reserved.
//

import UIKit
import Firebase

// Model
struct Event {
    let memo: String
    let point: GeoPoint
    let createdAt: Timestamp

    init(memo: String, point: GeoPoint, createdAt: Timestamp) {
        self.memo = memo
        self.point = point
        self.createdAt = createdAt
    }

    init(document: [String: Any]) {
        memo = document["memo"] as? String ?? ""
        point = document["point"] as? GeoPoint ?? GeoPoint(latitude: 0.0, longitude: 0.0)
        createdAt = document["createdAt"] as! Timestamp
    }
}

class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource{

    @IBOutlet weak var tableView: UITableView!
    
    var events: [Event] = [] {
        didSet {
            tableView.reloadData()
        }
    }
    var documentIDs: [String] = []

    let db = Firestore.firestore()

    //最初からあるコード
    override func viewDidLoad() {
        super.viewDidLoad()
        self.tableView.register (UINib(nibName: "CustomEventCell", bundle: nil),forCellReuseIdentifier: "repeatCell")

        db.collection("events").getDocuments() { (querySnapshot, err) in
            if let err = err {
                print("Error getting documents: \(err)")
            } else {
                self.events = querySnapshot?.documents.map { Event(document: $0.data()) } ?? []
                self.documentIDs = querySnapshot?.documents.map { $0.documentID } ?? []
                print("document count: \(self.events.count)")
            }
        }
    }

    //最初からあるコード
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }

    //追加 セルの個数を指定するデリゲートメソッド（必須）
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return self.events.count
    }

    //追加 セルに値を設定するデータソースメソッド（必須）
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        // セルを取得する
        let cell = tableView.dequeueReusableCell(withIdentifier: "repeatCell", for: indexPath) as! CustomEventCell

        let event = self.events[indexPath.row]
        let documentID = documentIDs[indexPath.row]

        cell.courtLabel.text = event.memo
        return cell
    }
}