Javier Cicchelli
c8d2c288af
This PR contains the work done to fetch a set of locations from a remote server to then persist them into the persistence stack and finally to display these data into the locations list screen. To give further details about the work done: - [x] implemented the `LoadingSpinnerView` and `ErrorMessageView` custom views; - [x] implemented the outlets of the `LocationsListViewController` view controller; - [x] add properties and functions to the `LocationsListViewModeling` protocol to support reactive updates, load data, and table data source conformances; - [x] deactivated the Location entity code generation from the Core Data model in the `Persistence` library; - [x] add fetch requests builder functions to the `NSFetchRequest+Location` extension in the `Persistence` library; - [x] implemented the `LoadRemoteLocationUseCase` use case; - [x] implemented the loading of locations in the LocationsListViewModel view model; - [x] implemented properties and functions in the LocationsListViewModel view model to support the table data source conformance of the `LocationsListViewController` view controller; - [x] implemented the `LocationViewCell` custom cell; - [x] registered the `LocationViewCell` with the table of the `LocationsListViewController` view controller and implemented its update with real data from Location entities. Co-authored-by: Javier Cicchelli <javier@rock-n-code.com> Reviewed-on: rock-n-code/deep-linking-assignment#10
125 lines
3.3 KiB
Swift
125 lines
3.3 KiB
Swift
//
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// ErrorMessageView.swift
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// Locations
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//
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// Created by Javier Cicchelli on 12/04/2023.
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// Copyright © 2023 Röck+Cöde. All rights reserved.
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//
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import UIKit
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class ErrorMessageView: UIView {
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// MARK: Typealiases
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typealias OnRetryClosure = () -> Void
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// MARK: Properties
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var onRetry: OnRetryClosure?
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// MARK: Outlets
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private lazy var stack: UIStackView = {
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let stack = UIStackView()
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stack.alignment = .center
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stack.axis = .vertical
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stack.distribution = .fill
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stack.spacing = 32
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stack.translatesAutoresizingMaskIntoConstraints = false
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return stack
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}()
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private lazy var title = {
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let label = UILabel()
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label.font = .preferredFont(forTextStyle: .largeTitle)
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label.numberOfLines = 0
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label.lineBreakMode = .byWordWrapping
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label.text = "Some error title goes in here..."
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label.textAlignment = .center
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label.translatesAutoresizingMaskIntoConstraints = false
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return label
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}()
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private lazy var message = {
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let label = UILabel()
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label.font = .preferredFont(forTextStyle: .body)
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label.lineBreakMode = .byWordWrapping
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label.numberOfLines = 0
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label.text = "Some long, descriptive, explanatory error message goes in here..."
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label.textAlignment = .center
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label.textColor = .secondaryLabel
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label.translatesAutoresizingMaskIntoConstraints = false
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return label
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}()
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private lazy var retry = {
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let button = UIButton()
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button.backgroundColor = .red
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button.translatesAutoresizingMaskIntoConstraints = false
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button.layer.borderColor = UIColor.red.cgColor
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button.layer.borderWidth = 1
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button.layer.cornerRadius = 5
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button.titleLabel?.font = .preferredFont(forTextStyle: .headline)
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button.addTarget(self, action: #selector(retryPressed), for: .touchUpInside)
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button.setTitle("Try again", for: .normal)
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return button
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}()
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// MARK: Initialisers
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init() {
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super.init(frame: .zero)
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setupView()
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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// MARK: - Helpers
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private extension ErrorMessageView {
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// MARK: Functions
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func setupView() {
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backgroundColor = .clear
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translatesAutoresizingMaskIntoConstraints = false
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addSubview(stack)
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stack.addArrangedSubview(title)
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stack.addArrangedSubview(message)
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stack.addArrangedSubview(retry)
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stack.setCustomSpacing(160, after: message)
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NSLayoutConstraint.activate([
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bottomAnchor.constraint(equalTo: stack.bottomAnchor),
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leadingAnchor.constraint(equalTo: stack.leadingAnchor),
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topAnchor.constraint(equalTo: stack.topAnchor),
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trailingAnchor.constraint(equalTo: stack.trailingAnchor),
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retry.heightAnchor.constraint(equalToConstant: 44),
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retry.leadingAnchor.constraint(equalTo: stack.leadingAnchor),
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retry.trailingAnchor.constraint(equalTo: stack.trailingAnchor),
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])
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}
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@objc func retryPressed() {
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onRetry?()
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}
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}
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