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//
// ForayTableViewController.swift
// foray
//
// Created by Nicholas Tay on 14/3/2022.
//
import UIKit
enum ItemType: String, Decodable {
case item
case quest
}
struct PenguinItem: Decodable {
var type: ItemType
var releaseDate: Date
var id: String
var name: String
}
struct YearSection {
var year: Date
var items: [PenguinItem]
}
private func parseDate(_ str : String) -> Date {
let dateFormat = DateFormatter()
dateFormat.dateFormat = "yyyy-MM-dd"
return dateFormat.date(from: str)!
}
private func firstDayOfYear(date: Date) -> Date {
let calendar = Calendar.current
let components = calendar.dateComponents([.year], from: date)
return calendar.date(from: components)!
}
class ForayTableViewController: UITableViewController {
// MARK: - Static data TEMP
var sections = [YearSection]()
// MARK: - On load
override func viewDidLoad() {
super.viewDidLoad()
tableView.rowHeight = UITableView.automaticDimension
// Register our custom cell
tableView.register(ForayNewTableViewCell.self, forCellReuseIdentifier: "ForayNewTableViewCell")
// Not sure if this is the right way to go about this...
let alert = UIAlertController(title: nil, message: "Grabbing data...", preferredStyle: .alert)
let loadingIndicator = UIActivityIndicatorView(frame: CGRect(x: 10, y: 5, width: 50, height: 50))
loadingIndicator.hidesWhenStopped = true
loadingIndicator.style = UIActivityIndicatorView.Style.medium
loadingIndicator.startAnimating();
alert.view.addSubview(loadingIndicator)
present(alert, animated: true, completion: nil)
reloadApiData()
dismiss(animated: false, completion: nil)
// Not 100% sure what this does (the for: bit)
self.refreshControl?.addTarget(self, action: #selector(doRefresh), for: UIControl.Event.valueChanged)
}
@objc func doRefresh(sender: AnyObject) {
reloadApiData()
}
func reloadApiData() {
loadApiData(onComplete: { (apiItems) in
var items = apiItems
items.sort { (lhs, rhs) in lhs.releaseDate < rhs.releaseDate }
let groups = Dictionary(grouping: apiItems) { (item) in
return firstDayOfYear(date: item.releaseDate)
}
self.sections = groups.map { (key, values) in
return YearSection(year: key, items: values)
}
// Sort the sections from oldest year to newest
self.sections.sort { (lhs, rhs) in lhs.year < rhs.year }
self.tableView.reloadData()
self.refreshControl?.endRefreshing()
})
}
func loadApiData(onComplete: @escaping ([PenguinItem]) -> ()) {
var request = URLRequest(url: URL(string: "https://users.windblume.net/~nick/upload/dummy.json")!)
request.cachePolicy = .reloadRevalidatingCacheData // Needed otherwise default caching policy seems not to check properly
// Basic auth if required
//let authData = ("ext:PASSWORD").data(using: .utf8)!.base64EncodedString()
//request.addValue("Basic \(authData)", forHTTPHeaderField: "Authorization")
URLSession.shared.dataTask(with: request, completionHandler: { data, response, error -> Void in
print("finished getting data")
print(response!)
let jsonDecoder = JSONDecoder()
jsonDecoder.dateDecodingStrategy = .custom({ (decoder) -> Date in
let container = try decoder.singleValueContainer()
let dateStr = try container.decode(String.self)
return parseDate(dateStr)
})
let items = try! jsonDecoder.decode([PenguinItem].self, from: data!)
print("json decoded")
// Passing back to UI, need to do it on the main thread (I think due to async?)
DispatchQueue.main.async {
onComplete(items)
}
}).resume()
}
// MARK: - Table view data source
override func numberOfSections(in tableView: UITableView) -> Int {
// Returns number of sections for table
return self.sections.count
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
// Returns number of rows for table's section
return self.sections[section].items.count
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let item = self.sections[indexPath.section].items[indexPath.row]
let type: String
let icon: UIImage
switch item.type {
case .item:
type = "Item"
icon = UIImage(named: item.id)!
case .quest:
type = "Quest"
icon = UIImage(named: "spy")!
}
let cell: ForayNewTableViewCell = tableView.dequeueReusableCell(withIdentifier: "ForayNewTableViewCell", for: indexPath) as! ForayNewTableViewCell
cell.setData(name: item.name, desc: type + "ID: " + item.id, img: icon)
return cell
}
override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
let section = self.sections[section]
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "yyyy"
return "Released in " + dateFormatter.string(from: section.year)
}
let detailViewController: ForayDetailViewController = ForayDetailViewController()
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
tableView.deselectRow(at: indexPath, animated: true)
let item = self.sections[indexPath.section].items[indexPath.row]
detailViewController.selectedItem = item
self.navigationController?.pushViewController(detailViewController, animated: true)
}
}
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