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// GridTopicView.swift
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// twogetskills
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//
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// Created by Efrain Yanez Recanatini on 1/26/22.
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//
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import SwiftUI
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import Network
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import Alamofire
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import SwiftyJSON
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import TTGSnackbar
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struct GridTopicView: View {
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@EnvironmentObject private var networkMonitor : NetworkMonitor
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@EnvironmentObject private var appNavigation : AppNavigation
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@ObservedObject private var viewModel : TopicGridViewModel = TopicGridViewModel()
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@State private var scrollToIndex : Int = 0
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@State private var showProgressView : Bool = false
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@State private var presentAlert : Bool = false
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@State private var titleAlert : String = ""
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@State private var messageAlert : String = ""
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private let appDao = AppDao.sharedInstance
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private let config = [
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GridItem(.flexible()),
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GridItem(.flexible())
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]
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var body: some View {
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ZStack {
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if self.showProgressView {
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ProgressView()
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.progressViewStyle(CircularProgressViewStyle(tint: Color("color_progress_view_foreground")))
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.scaleEffect(3, anchor: .center).zIndex(100000)
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}
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VStack(spacing: 0) {
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HStack {
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Image("logo")
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.resizable()
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.frame(width: 32, height: 32, alignment: .center)
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.aspectRatio(contentMode: .fit)
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.foregroundColor(networkMonitor.status == .disconnected ? Color("color_network_disconnected_foreground") : Color("color_app_bar_foreground"))
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.padding(.leading, 16)
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Text(networkMonitor.status == .disconnected ? Config.LANG_ERROR_NETWORK_MESSAGE_SHORT : Config.LANG_TAB_BAR_BUTTON_TOPICS)
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.font(Font.custom(Config.FONT_NAME_REGULAR, size: Config.FONT_SIZE_APP_BAR_HEAD1 ))
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.foregroundColor(networkMonitor.status == .disconnected ? Color("color_network_disconnected_foreground") : Color("color_app_bar_foreground"))
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.padding(.leading, 4)
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Spacer()
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Button(action: {
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if networkMonitor.status == .connected {
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refresh()
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} else {
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self.titleAlert = Config.LANG_ERROR_NETWORK_TITLE
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self.messageAlert = Config.LANG_ERROR_NETWORK_MESSAGE_LONG
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self.presentAlert = true
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}
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}, label: {
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Image(uiImage: UIImage(named: "ui_refresh") ?? UIImage())
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.resizable()
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.frame(width: 24, height:24, alignment: .center)
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.aspectRatio(contentMode: .fit)
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.foregroundColor(Color("color_app_bar_foreground"))
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.padding(.trailing, 16)
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})
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}
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.edgesIgnoringSafeArea(.top)
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.frame(height: 50)
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.background(networkMonitor.status == .disconnected ? Color("color_network_disconnected_background") : Color("color_app_bar_background"))
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Divider().background(networkMonitor.status == .disconnected ? Color("color_network_disconnected_background") : Color("color_app_bar_background"))
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ScrollView() {
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ScrollViewReader { proxy in
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LazyVGrid(columns: config, alignment: /*@START_MENU_TOKEN@*/.center/*@END_MENU_TOKEN@*/, spacing: /*@START_MENU_TOKEN@*/nil/*@END_MENU_TOKEN@*/, pinnedViews: /*@START_MENU_TOKEN@*/[]/*@END_MENU_TOKEN@*/, content: {
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ForEach(0..<self.viewModel.topics.count) { index in
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CardTopicView(
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topicUuid: self.viewModel.topics[index].uuid
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)
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.environmentObject(appNavigation)
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.frame(
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width: Constants.CARD_WIDTH,
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height: Constants.CARD_HEIGHT,
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alignment: .center
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).id(index)
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}.onChange(of: scrollToIndex, perform: { value in
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proxy.scrollTo(value, anchor: nil)
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})
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})
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}
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}
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.padding(.top, 5)
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}
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.onAppear {
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var i : Int = 0
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while i < self.viewModel.topics.count {
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if appData.topicUuidActive == self.viewModel.topics[i].uuid {
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self.scrollToIndex = i
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}
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i += 1
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}
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} .alert(isPresented: $presentAlert) {
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Alert(
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title: Text(self.titleAlert),
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message: Text(self.messageAlert),
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dismissButton: .default(Text(Config.LANG_COMMON_OK))
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)
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}
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}
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}
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private func refresh() {
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self.showProgressView = true
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let headerSecurity : HeaderSecurity = HeaderSecurity()
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let headers: HTTPHeaders = [
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.init(name: Constants.HTTP_HEADER_SECURITY_TOKEN, value: appData.deviceUuid),
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.init(name: Constants.HTTP_HEADER_SECURITY_SECRET, value: headerSecurity.secret),
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.init(name: Constants.HTTP_HEADER_SECURITY_CREATED, value: String(headerSecurity.created)),
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.init(name: Constants.HTTP_HEADER_SECURITY_RAND, value: String(headerSecurity.rand)),
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.accept(Constants.HTTP_HEADER_ACCEPT)
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]
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print(Config.URL_REFRESH)
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AF.request(Config.URL_REFRESH, method: .get, headers: headers).responseJSON{(response) in
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self.showProgressView = false
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switch response.result {
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case .success:
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let json = try? JSON(data: response.data!)
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print("json : \(json)")
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if json?["success"] ?? "" != false {
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let dataService = DataService()
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dataService.syncFromServer(json : json, refresh: true)
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self.viewModel.fetch(userUuid: appData.userUuid)
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var i : Int = 0
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while i < self.viewModel.topics.count {
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if appData.topicUuidActive == self.viewModel.topics[i].uuid {
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self.scrollToIndex = i
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}
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i += 1
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}
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let snackbar = TTGSnackbar(message: Config.LANG_TOPICS_REFRESH_CONTENT_DONE, duration: .short)
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snackbar.show()
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} else {
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let message = json?["data"].string ?? ""
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if !message.isEmpty {
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self.titleAlert = Config.LANG_ERROR_GENERIC_TITLE
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self.messageAlert = message
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self.presentAlert = true
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}
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}
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return
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case .failure :
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self.titleAlert = Config.LANG_ERROR_COMMUNICATION_TITLE
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self.messageAlert = Config.LANG_ERROR_COMMUNICATION_MESSAGE
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self.presentAlert = true
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return
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}
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}
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}
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}
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struct GridTopicView_Previews: PreviewProvider {
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static var previews: some View {
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GridTopicView()
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}
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}
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