#8 feat: RingtoneSelectTableViewDiffableDataSource 구현

Multimer/Multimer/Presentation/RingtoneSelect/RingtoneSelectTableViewDiffableDataSource.swift

@@ -0,0 +1,42 @@
+//
+//  RingtoneSelectTableViewDiffableDataSource.swift
+//  Multimer
+//
+//  Created by 김상혁 on 2023/08/02.
+//
+
+import UIKit
+
+final class RingtoneSelectTableViewDiffableDataSource: UITableViewDiffableDataSource<RingtoneType, RingtoneCellModel> {
+
+    typealias Snapshot = NSDiffableDataSourceSnapshot<RingtoneType, RingtoneCellModel>
+
+    init(tableView: UITableView) {
+        super.init(tableView: tableView) { (tableView, indexPath, cellViewModel) -> UITableViewCell? in
+            let cell = tableView.dequeueReusableCell(
+                withIdentifier: RingtoneViewCell.identifier,
+                for: indexPath
+            ) as? RingtoneViewCell
+            let ringtoneName = LocalizableString.ringtoneName(ringtone: cellViewModel.ringtone).localized
+            cell?.configure(title: ringtoneName, isSelected: cellViewModel.isSelected)
+            return cell
+        }
+    }
+
+    // MARK: - DiffableDataSource Methods
+
+    func applySnapshot(for ringtoneCellModelMap: [RingtoneType: [RingtoneCellModel]]) {
+        var snapshot = Snapshot()
+        snapshot.appendSections(RingtoneType.allCases)
+        for type in RingtoneType.allCases {
+            if let cellModels = ringtoneCellModelMap[type] {
+                snapshot.appendItems(cellModels, toSection: type)
+            }
+        }
+        apply(snapshot, animatingDifferences: false)
+    }
+
+    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+        return RingtoneType.allCases[section].title
+    }
+}