Proyectos de Subversion Iphone Microlearning - Nuevo Interface

//

//  NotificationListViewModel.swift

//  twogetskills

//

//  Created by Efrain Yanez Recanatini on 7/31/22.

//

import Foundation

import SwiftUI

struct UserNotificationGroupModel :Identifiable {

    var id : String = UUID().uuidString

    var label : String =  ""

    var notifications = [UserNotificationModel]()

}

class NotificationListViewModel: ObservableObject

{

    @Published public var groups = [UserNotificationGroupModel]()

    private let appData = AppData.sharedInstance

    init() {

        fetchAll()

    }

    func fetchAll()

    {

        let now = Date()

        let yesterday = Calendar.current.date(byAdding: .day, value: -1, to: now)!

        let dateFormatter = DateFormatter()

        dateFormatter.dateFormat = Constants.FORMAT_DATE_YMD

        let sToday = dateFormatter.string(from: now)

        let sYesterday = dateFormatter.string(from: yesterday)

        let showFormatter = DateFormatter()

        showFormatter.dateFormat = Constants.FORMAT_DATE_DMY

        groups.removeAll()

        var userNotificationGroupModel : UserNotificationGroupModel

        let userNotificationDao = UserNotificationDao.sharedInstance

        let dates = userNotificationDao.selectAllDistinctDateByUserUuid(userUuid: appData.userUuid)

        var i : Int = 0

        var d : Date

        var sDate : String

        while i < dates.count {

            sDate = dates[i]

            userNotificationGroupModel = UserNotificationGroupModel()

            switch sDate

            {

                case sToday :

                    userNotificationGroupModel.label = Config.LANG_COMMON_TODAY

                    break

                case sYesterday :

                    userNotificationGroupModel.label = Config.LANG_COMMON_YESTERDAY

                    break

                default :

                    d = dateFormatter.date(from: sDate) ?? Date()

                    userNotificationGroupModel.label = showFormatter.string(from: d)

                    break

            }

            userNotificationGroupModel.notifications = userNotificationDao.selectAllByUserUuidAndDate(userUuid: appData.userUuid, date: sDate)

            groups.append(userNotificationGroupModel)

            i += 1

        }

    }

    public func removeItem(id: Int) {

        let userNotificationDao = UserNotificationDao.sharedInstance

        userNotificationDao.remove(id: id)

        var i : Int = 0

        while i < groups.count {

            groups[i].notifications.remove(at:  groups[i].notifications.firstIndex(where: {  $0.id == id })!)

            i += 1

        }

        i = groups.count - 1

        while i > 0 {

            if groups[i].notifications.count == 0 {

                groups.remove(at: i)

            }

            i -= 1

        }

    }

}