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

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//
//  ViewController.swift
//  JRNL
//
//  Created by iOS17Programming on 25/09/2023.
//

import UIKit

class JournalListViewController: UIViewController, UITableViewDataSource, UITableViewDelegate, UISearchResultsUpdating {

    // MARK: - Properties
    @IBOutlet var tableView: UITableView!
    let search = UISearchController(searchResultsController: nil)
    var filteredTableData: [JournalEntry] = []

    override func viewDidLoad() {
        super.viewDidLoad()
        SharedData.shared.loadJournalEntriesData()
        search.searchResultsUpdater = self
        search.obscuresBackgroundDuringPresentation = false
        search.searchBar.placeholder = "Search titles"
        navigationItem.searchController = search
    }

    // MARK: - UITableViewDataSource
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        if self.search.isActive {
            return self.filteredTableData.count
        } else {
            return SharedData.shared.numberOfJournalEntries()
        }
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let journalCell = tableView.dequeueReusableCell(withIdentifier: "journalCell", for: indexPath) as! JournalListTableViewCell
        let journalEntry: JournalEntry
        if self.search.isActive {
            journalEntry = filteredTableData[indexPath.row]
        } else {
            journalEntry = SharedData.shared.getJournalEntry(index: indexPath.row)
        }

        if let photoData = journalEntry.photoData {
            journalCell.photoImageView.image = UIImage(data: photoData)
        }
        journalCell.dateLabel.text = journalEntry.dateString
        journalCell.titleLabel.text = journalEntry.entryTitle
        return journalCell
    }

    // MARK: - UITableViewDelegate
    func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
        if editingStyle == .delete {
            if self.search.isActive {
                let selectedJournalEntry = filteredTableData[indexPath.row]
                filteredTableData.remove(at: indexPath.row)
                SharedData.shared.removeSelectedJournalEntry(selectedJournalEntry)
            } else {
                SharedData.shared.removeJournalEntry(index: indexPath.row)
            }
            SharedData.shared.saveJournalEntriesData()
            tableView.reloadData()
        }
    }

    // MARK: - Navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        super.prepare(for: segue, sender: sender)
        guard segue.identifier == "entryDetail" else {
            return
        }
        guard let journalEntryDetailViewController = segue.destination as? JournalEntryDetailViewController, let selectedJournalEntryCell = sender as? JournalListTableViewCell, let indexPath = tableView.indexPath(for: selectedJournalEntryCell) else {
            fatalError("Could not get indexPath")
        }
        let selectedJournalEntry: JournalEntry
        if self.search.isActive {
            selectedJournalEntry = filteredTableData[indexPath.row]
        } else {
            selectedJournalEntry  = SharedData.shared.getJournalEntry(index: indexPath.row)
        }
        journalEntryDetailViewController.selectedJournalEntry = selectedJournalEntry
    }

    // MARK: - Search
    func updateSearchResults(for searchController: UISearchController) {
        guard let searchBarText = searchController.searchBar.text else { return }
        filteredTableData.removeAll()
        for journalEntry in SharedData.shared.getAllJournalEntries() {
            if journalEntry.entryTitle.lowercased().contains(searchBarText.lowercased()) {
                filteredTableData.append(journalEntry)
            }
        }
        self.tableView.reloadData()
    }

    // MARK: - Methods
    @IBAction func unwindNewEntryCancel(segue: UIStoryboardSegue) {

    }

    @IBAction func unwindNewEntrySave(segue: UIStoryboardSegue) {
        if let sourceViewController = segue.source as? AddJournalEntryViewController, let newJournalEntry = sourceViewController.newJournalEntry {
            SharedData.shared.addJournalEntry(newJournalEntry: newJournalEntry)
            SharedData.shared.saveJournalEntriesData()
            tableView.reloadData()
        }
    }


}