Proyectos de Subversion Iphone Microlearning - Nuevo Interface

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//
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//  NotificationListViewModel.swift
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//  twogetskills
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//
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//  Created by Efrain Yanez Recanatini on 7/31/22.
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//
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import Foundation
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import SwiftUI
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struct UserNotificationGroupModel :Identifiable {
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    var id : String = UUID().uuidString
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    var label : String =  ""
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    var notifications = [UserNotificationModel]()
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}
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class NotificationListViewModel: ObservableObject
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{
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    @Published public var groups = [UserNotificationGroupModel]()
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    private let appData = AppData.sharedInstance
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    init() {
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        fetchAll()
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    }
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    func fetchAll()
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    {
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        let now = Date()
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        let yesterday = Calendar.current.date(byAdding: .day, value: -1, to: now)!
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        let dateFormatter = DateFormatter()
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        dateFormatter.dateFormat = Constants.FORMAT_DATE_YMD
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        let sToday = dateFormatter.string(from: now)
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        let sYesterday = dateFormatter.string(from: yesterday)
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        let showFormatter = DateFormatter()
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        showFormatter.dateFormat = Constants.FORMAT_DATE_DMY
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        groups.removeAll()
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        var userNotificationGroupModel : UserNotificationGroupModel
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        let userNotificationDao = UserNotificationDao.sharedInstance
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        let dates = userNotificationDao.selectAllDistinctDateByUserUuid(userUuid: appData.userUuid)
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        var i : Int = 0
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        var d : Date
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        var sDate : String
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        while i < dates.count {
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            sDate = dates[i]
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            userNotificationGroupModel = UserNotificationGroupModel()
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            switch sDate
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            {
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                case sToday :
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                    userNotificationGroupModel.label = Config.LANG_COMMON_TODAY
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                    break
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                case sYesterday :
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                    userNotificationGroupModel.label = Config.LANG_COMMON_YESTERDAY
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                    break
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                default :
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                    d = dateFormatter.date(from: sDate) ?? Date()
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                    userNotificationGroupModel.label = showFormatter.string(from: d)
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                    break
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            }
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            userNotificationGroupModel.notifications = userNotificationDao.selectAllByUserUuidAndDate(userUuid: appData.userUuid, date: sDate)
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            groups.append(userNotificationGroupModel)
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            i += 1
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        }
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    }
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    public func removeItem(id: Int) {
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        let userNotificationDao = UserNotificationDao.sharedInstance
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        userNotificationDao.remove(id: id)
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        var i : Int = 0
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        while i < groups.count {
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            groups[i].notifications.remove(at:  groups[i].notifications.firstIndex(where: {  $0.id == id })!)
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            i += 1
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        }
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        i = groups.count - 1
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        while i > 0 {
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            if groups[i].notifications.count == 0 {
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                groups.remove(at: i)
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            }
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            i -= 1
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        }
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    }
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    public func markForViewedById(id: Int) {
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        let userNotificationDao = UserNotificationDao.sharedInstance
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        userNotificationDao.markViewed(id: id)
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        var i : Int = 0
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        var j : Int = 0
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        while i < groups.count {
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            while j < groups[i].notifications.count {
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                if groups[i].notifications[j].id == id {
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                    groups[i].notifications[j].viewed = 1
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                }
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                j += 1
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            }
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            i += 1
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        }
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    }
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    public func markAllForViewedByType(command : String) {
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        let notificationDao = UserNotificationDao()
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        notificationDao.markViewedAllPendingByUserUuidAndCommand(userUuid: appData.userUuid, command: command)
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        var i : Int = 0
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        var j : Int = 0
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        while i < groups.count {
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            while j < groups[i].notifications.count {
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                if groups[i].notifications[j].command == command && groups[i].notifications[j].viewed == 0 {
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                    groups[i].notifications[j].viewed = 1
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                }
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                j += 1
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            }
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            i += 1
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        }
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    }
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}