FunboxTestTask/Funbox/Controllers/StoreFrontContentViewController.swift at main · antonikochet/FunboxTestTask · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
//
//  ViewController.swift
//  Funbox
//
//  Created by Антон Кочетков on 23.11.2021.
//

import UIKit

class StoreFrontContentViewController: UIViewController {

    private var nameDeviceLabel: UILabel?
    private var priceLabel: UILabel?
    private var countLabel: UILabel?
    private var buyButton: UIButton?

    var activity: UIActivityIndicatorView?

    var pageNumber: Int = 0
    var buy: ((Device) -> Void)?

    var device: Device! {
        didSet {
            configure()
        }
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        createMainStackView()
        view.backgroundColor = .white
        buyButton?.addTarget(self, action: #selector(buyAction), for: .touchUpInside)
    }

    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        configure()
    }
    private func configure() {
        nameDeviceLabel?.text = device.name
        priceLabel?.text = "\(device.price) руб."
        countLabel?.text = "\(device.count) шт."
    }

    private func createMainStackView() {
        //name device label
        let nameDeviceLabel = UILabel.createLabel(title: "-")
        nameDeviceLabel.font = UIFont.systemFont(ofSize: 30)
        self.nameDeviceLabel = nameDeviceLabel

        //price stack
        let (priceStackView, priceLabel) = createHorizontalStackView(title: "Цена")
        self.priceLabel = priceLabel
        self.priceLabel?.text = "-"

        //count stack
        let (countStackView, countLabel) = createHorizontalStackView(title: "Количество")
        self.countLabel = countLabel
        self.countLabel?.text = "-"
        //button
        let viewButton = createViewButton()

        let mainStackView = UIStackView(arrangedSubviews: [nameDeviceLabel, priceStackView, countStackView, viewButton])
        mainStackView.axis = .vertical
        mainStackView.distribution = .fillEqually
        mainStackView.translatesAutoresizingMaskIntoConstraints = false

        view.addSubview(mainStackView)
        NSLayoutConstraint.activate([
            mainStackView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
            mainStackView.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 16),
            mainStackView.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -16),
            mainStackView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor)])

    }

    private func createHorizontalStackView(title: String) -> (UIStackView, UILabel) {
        let staticLabel = UILabel.createLabel(title: title)
        staticLabel.font = UIFont.systemFont(ofSize: 30)

        let label = UILabel.createLabel(title: title)
        label.textAlignment = .right
        label.font = UIFont.systemFont(ofSize: 30)
        label.textColor = .systemGray2

        let stackView = UIStackView(arrangedSubviews: [staticLabel, label])
        stackView.axis = .horizontal
        stackView.distribution = .fillEqually

        return (stackView, label)
    }

    private func createViewButton() -> UIView {
        let button = UIButton()
        button.setTitle("Купить", for: .normal)
        button.setTitleColor(.black, for: .normal)
        button.backgroundColor = .systemGray4
        button.layer.cornerRadius = 10
        button.layer.borderWidth = 3
        button.layer.borderColor = UIColor.black.cgColor
        button.titleLabel?.font = UIFont.systemFont(ofSize: 30)
        button.translatesAutoresizingMaskIntoConstraints = false

        self.buyButton = button

        let activity = UIActivityIndicatorView()
        activity.isHidden = true
        activity.color = .blue
        activity.translatesAutoresizingMaskIntoConstraints = false

        self.activity = activity

        let viewButton = UIView()
        viewButton.addSubview(button)
        viewButton.addSubview(activity)

        NSLayoutConstraint.activate([
            button.centerXAnchor.constraint(equalTo: viewButton.centerXAnchor),
            button.centerYAnchor.constraint(equalTo: viewButton.centerYAnchor),
            button.widthAnchor.constraint(equalTo: viewButton.widthAnchor, multiplier: 0.5),
            button.heightAnchor.constraint(equalTo: viewButton.heightAnchor, multiplier: 0.35),

            activity.centerXAnchor.constraint(equalTo: viewButton.centerXAnchor),
            activity.topAnchor.constraint(equalTo: button.bottomAnchor, constant: 16)
        ])

        return viewButton
    }

    @objc private func buyAction() {
        buy?(device)
    }
}