Merge pull request #111 from JORDYMA-Link/BUG/#94

[BUG] - #94 캘린더 네트워크 통신 뷰 업데이트 및 버그 수정

Projects/Features/Scene/CalendarSearch/Custom/MigratedFSCalendarView.swift

@@ -0,0 +1,195 @@
+//
+//  BKCalendarView.swift
+//  Features
+//
+//  Created by 문정호 on 6/27/24.
+//  Copyright © 2024 com.kyuchul.blink. All rights reserved.
+//
+
+import SwiftUI
+import Combine
+
+import ComposableArchitecture
+import FSCalendar
+
+///FSCalendar를 SwiftUI에서 사용할 수 있도록 UIViewRepresentable로 마이그레이션 진행한 View
+///
+///본 클래스는 TCA를 사용하는 것을 기준으로 만든 뷰로서 CalendarFeature의 Store를 구조체 생성시 추가해야합니다.
+struct MigratedFSCalendarView: UIViewRepresentable {
+
+  //MARK: - typealias
+  typealias UIViewType = FSCalendar
+
+  //MARK: - Properties
+  private let calendar = FSCalendar()
+
+  //MARK: - Binidng Properties
+  @Binding var selectedDate: Date
+  @Binding var currentPage: Date
+  @Binding var eventDate: [Date]
+  @Binding var reload: Bool
+
+  //MARK: - Delegate Closure Properties
+  var didSelectDateAction: ((Date) -> Void)?
+  var calendarCurrentPageDidChangeAction: ((Date) -> Void)?
+
+  init(
+    selectedDate: Binding<Date>,
+    currentPage: Binding<Date>,
+    eventDate: Binding<[Date]>,
+    reload: Binding<Bool>,
+    didSelectDateAction: ((Date) -> Void)? = nil,
+    calendarCurrentPageDidChangeAction: ((Date) -> Void)? = nil
+  ) {
+    self._selectedDate = selectedDate
+    self._currentPage = currentPage
+    self._eventDate = eventDate
+    self._reload = reload
+    self.didSelectDateAction = didSelectDateAction
+    self.calendarCurrentPageDidChangeAction = calendarCurrentPageDidChangeAction
+  }
+
+  //MARK: - Implementation Protocol
+  func makeUIView(context: Context) -> FSCalendar {
+    configureAppearance()
+
+    calendar.delegate = context.coordinator
+    calendar.dataSource = context.coordinator
+
+    configureDefaultSelectedDate()
+
+    return calendar
+  }
+
+  func makeCoordinator() -> Coordinator {
+    Coordinator(
+      eventDate: $eventDate,
+      didSelectDateAction: didSelectDateAction,
+      calendarCurrentPageDidChangeAction: calendarCurrentPageDidChangeAction
+    )
+  }
+
+  func updateUIView(_ uiView: FSCalendar, context: Context) {
+    if currentPage != uiView.currentPage {
+      uiView.setCurrentPage(currentPage, animated: true)
+    }
+
+    if !eventDate.isEmpty && (context.coordinator.lastEventDate != eventDate){
+      context.coordinator.lastEventDate = eventDate
+
+      uiView.collectionView.reloadData()
+
+      if !context.coordinator.isFirstOnAppear {
+        //FSCalendar 형식의 Date 형성
+        var defaultDateComponents = Date().getDateComponents()
+        defaultDateComponents.day = (defaultDateComponents.day ?? 2) // 혹시 모를 실패의 경우 1일을 select 하도록
+        defaultDateComponents.hour = 9
+        defaultDateComponents.minute = 0
+        defaultDateComponents.second = 0
+
+        if let defaultDate = Calendar.current.date(from: defaultDateComponents) {
+          DispatchQueue.main.async {
+            self.didSelectDateAction?(defaultDate)
+          }
+        }
+        context.coordinator.isFirstOnAppear = true
+      }
+    }
+
+    if reload {
+      var defaultDateComponents = selectedDate.getDateComponents()
+      defaultDateComponents.day = (defaultDateComponents.day ?? 2) // 혹시 모를 실패의 경우 1일을 select 하도록
+      defaultDateComponents.hour = 9
+      defaultDateComponents.minute = 0
+      defaultDateComponents.second = 0
+
+      if let defaultDate = Calendar.current.date(from: defaultDateComponents) {
+        DispatchQueue.main.async {
+          self.didSelectDateAction?(defaultDate)
+        }
+      }
+    }
+  }
+
+  //MARK: - Coordinator
+  class Coordinator : NSObject, FSCalendarDelegate, FSCalendarDataSource {
+    //MARK: - Coordinator Property : store
+
+    @Binding var eventDate: [Date]
+    var didSelectDateAction: ((Date) -> Void)?
+    var calendarCurrentPageDidChangeAction: ((Date) -> Void)?
+
+    var lastEventDate: [Date] //eventDate가 업데이트 되었을 때만 reloadData()를 할 수 있도록
+    var isFirstOnAppear: Bool = false
+
+    private let differenceTimeOfFSCalendar: TimeInterval = 60*60*9 //fscalendr의 로직 내부 Date와 실제 달력 날짜와의 차이: 달력 날짜와 9시간의 차이
+
+    //MARK: - Initialization
+    init(
+      eventDate: Binding<[Date]>,
+      lastEventDate: [Date] = [],
+      didSelectDateAction: ((Date) -> Void)? = nil,
+      calendarCurrentPageDidChangeAction: ((Date) -> Void)? = nil
+    ) {
+      self._eventDate = eventDate
+      self.lastEventDate = []
+      self.didSelectDateAction = didSelectDateAction
+      self.calendarCurrentPageDidChangeAction = calendarCurrentPageDidChangeAction
+    }
+    //MARK: - Delegate
+    func calendar(_ calendar: FSCalendar, shouldSelect date: Date, at monthPosition: FSCalendarMonthPosition) -> Bool {
+      return monthPosition == .current
+    }
+
+    func calendar(_ calendar: FSCalendar, didSelect date: Date, at monthPosition: FSCalendarMonthPosition) {
+      didSelectDateAction?(date+differenceTimeOfFSCalendar)
+    }
+
+    func calendarCurrentPageDidChange(_ calendar: FSCalendar) {
+      calendarCurrentPageDidChangeAction?(calendar.currentPage)
+    }
+
+    //MARK: - DataSource
+    func minimumDate(for calendar: FSCalendar) -> Date {
+      if let date = Calendar.current.getDateFromComponents(year: 2024, month: 1, day: 1) {
+        return date + differenceTimeOfFSCalendar
+      } else {
+        return calendar.minimumDate
+      }
+    }
+
+    func calendar(_ calendar: FSCalendar, numberOfEventsFor date: Date) -> Int {
+      if eventDate.contains(date + differenceTimeOfFSCalendar) {
+        return 1
+      } else {
+        return 0
+      }
+    }
+  }
+
+  //MARK: - Helper
+  private func configureAppearance() {
+    //configure Header
+    calendar.calendarHeaderView.isHidden = true
+    calendar.headerHeight = 0
+
+    // Calendar Appearance
+    calendar.appearance.weekdayTextColor = .bkColor(.gray600)
+    calendar.appearance.todayColor = .bkColor(.main100)
+    calendar.appearance.titleTodayColor = .bkColor(.gray900)
+    calendar.appearance.selectionColor = .bkColor(.main300)
+    calendar.appearance.titleSelectionColor = .bkColor(.white)
+    calendar.appearance.titleFont = .regular(size: ._18)
+    calendar.appearance.eventDefaultColor = .bkColor(.main300)
+
+
+    calendar.locale = Locale(identifier: "ko_KR")
+    calendar.scope = .month
+  }
+
+  private func configureDefaultSelectedDate() {
+    let defaultSelectedDate = selectedDate - 32400
+
+    self.calendar.select(defaultSelectedDate)
+  }
+}