NewAlgorithms/AddJournalEntryViewController.swift at main · Pslydhh/NewAlgorithms · GitHub

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//
//  AddJournalEntryViewController.swift
//  JRNL
//
//  Created by iOS17Programming on 07/10/2023.
//

import UIKit
import CoreLocation

class AddJournalEntryViewController: UIViewController, UITextFieldDelegate, UITextViewDelegate, CLLocationManagerDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate {

    // MARK: - Properties

    @IBOutlet var titleTextField: UITextField!
    @IBOutlet var bodyTextView: UITextView!
    @IBOutlet var photoImageView: UIImageView!
    @IBOutlet var saveButton: UIBarButtonItem!
    @IBOutlet var getLocationSwitch: UISwitch!
    @IBOutlet var getLocationSwitchLabel: UILabel!
    @IBOutlet var ratingView: RatingView!
    var newJournalEntry: JournalEntry?
    let locationManager = CLLocationManager()
    var currentLocation: CLLocation?

    override func viewDidLoad() {
        super.viewDidLoad()
        titleTextField.delegate = self
        bodyTextView.delegate = self
        updateSaveButtonState()
        locationManager.delegate = self
        locationManager.requestAlwaysAuthorization()
    }

    // MARK: - UITextFieldDelegate

    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        textField.resignFirstResponder()
        return true
    }

    func textFieldDidBeginEditing(_ textField: UITextField) {
        saveButton.isEnabled = false
    }

    func textFieldDidEndEditing(_ textField: UITextField) {
        updateSaveButtonState()
    }

    // MARK: - UITextViewDelegate

    func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
        if (text == "\n") {
            textView.resignFirstResponder()
        }
        return true
    }

    func textViewDidBeginEditing(_ textView: UITextView) {
        saveButton.isEnabled = false
    }

    func textViewDidEndEditing(_ textView: UITextView) {
        updateSaveButtonState()
    }

    // MARK: - CLLocationManagerDelegate
    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        if let myCurrentLocation = locations.first {
            currentLocation = myCurrentLocation
            getLocationSwitchLabel.text = "Done"
            updateSaveButtonState()
        }
    }

    func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
        print("Failed to find user's location: \(error.localizedDescription)")
    }

    // MARK: - UIImagePickerControllerDelegate
    func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
        dismiss(animated: true)
    }

    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
        guard let selectedImage = info[UIImagePickerController.InfoKey.originalImage] as? UIImage else {
            fatalError("Expected a dictionary containing an image, but was provided the following: \(info)")
        }
        let smallerImage = selectedImage.preparingThumbnail(of: CGSize(width: 300, height: 300))
        photoImageView.image = smallerImage
        dismiss(animated: true)
    }

    // MARK: - Navigation

    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        let title = titleTextField.text ?? ""
        let body = bodyTextView.text ?? ""
        let photo = photoImageView.image
        let rating = ratingView.rating
        let lat = currentLocation?.coordinate.latitude
        let long = currentLocation?.coordinate.longitude
        newJournalEntry = JournalEntry(rating: rating, title: title, body: body, photo: photo, latitude: lat, longitude: long)
    }

    // MARK: - Private methods
    private func updateSaveButtonState() {
        let textFieldText = titleTextField.text ?? ""
        let textViewText = bodyTextView.text ?? ""
        if getLocationSwitch.isOn {
            saveButton.isEnabled = !textFieldText.isEmpty && !textViewText.isEmpty && !(currentLocation == nil)
        } else {
            saveButton.isEnabled = !textFieldText.isEmpty && !textViewText.isEmpty
        }
    }

    // MARK: - Actions
    @IBAction func getLocationSwitchValueChanged(_ sender: UISwitch) {
        if getLocationSwitch.isOn {
            getLocationSwitchLabel.text = "Getting location..."
            locationManager.requestLocation()
        } else {
            currentLocation = nil
            getLocationSwitchLabel.text = "Get location"
        }
    }

    @IBAction func getPhoto(_ sender: UITapGestureRecognizer) {
        let imagePickerController = UIImagePickerController()
        imagePickerController.delegate = self
        #if targetEnvironment(simulator)
        imagePickerController.sourceType = .photoLibrary
        #else
        imagePickerController.sourceType = .camera
        imagePickerController.showsCameraControls = true
        #endif
        present(imagePickerController, animated: true)
    }
}