Implementation of Notifications page and its View Model

GMCabsDriverAssistantSolution/ViewModels/NotificationsViewModel.cs

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+using GMCabsDriverAssistant.Models;
+using GMCabsDriverAssistant.Services;
+using GMCabsDriverAssistant.Utils;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GMCabsDriverAssistantSolution.ViewModels
+{
+    class NotificationsViewModel : BaseViewModel
+    {
+        #region Fields
+        private GMCabsDriverService gmCabsDriverService;
+        private NotificationDto _selectedNotification;
+        #endregion
+
+        #region Properties
+        public ObservableCollection<NotificationDto> Notifications { get; set; }
+        public Command MarkNotificationAsViewedCommand { get; }
+
+        public NotificationDto SelectedNotification
+        {
+            get => _selectedNotification;
+            set => SetProperty(ref _selectedNotification, value);
+        }
+        #endregion
+
+        #region Constructor
+        public NotificationsViewModel()
+        {
+            Title = "Notifications";
+            Notifications = new ObservableCollection<NotificationDto>();
+            MarkNotificationAsViewedCommand = new Command(OnMarkNotificationAsViewedClicked);
+            GetNotifications();
+        }
+        #endregion
+
+        #region Methods
+        private async void GetNotifications()
+        {
+            string appToken = Preferences.Get(SecureStorageData.Token, "");
+            gmCabsDriverService = new GMCabsDriverService();
+            Notifications.Clear();
+            List<NotificationDto> notifications = await gmCabsDriverService.GetNotifications(appToken);
+            if (notifications.Count > 0)
+            {
+                foreach (NotificationDto notification in notifications)
+                {
+                    Notifications.Add(notification);
+                }
+                SelectedNotification = Notifications[0];
+            }
+            else
+            {
+                await Shell.Current.GoToAsync("..");
+            }
+        }
+
+        private async void OnMarkNotificationAsViewedClicked(object obj)
+        {
+            string appToken = Preferences.Get(SecureStorageData.Token, "");
+            gmCabsDriverService = new GMCabsDriverService();
+
+            bool isSuccess = await gmCabsDriverService.MarkNotificationAsViewed(appToken, SelectedNotification.Id);
+            if (isSuccess)
+            {
+                Notifications.Remove(SelectedNotification);
+                if (Notifications.Count > 0)
+                {
+                    SelectedNotification = Notifications[0];
+                }
+                else
+                {
+                    await Shell.Current.GoToAsync("..");
+                }
+            }
+        }
+        #endregion
+
+
+    }
+}

GMCabsDriverAssistantSolution/Views/NotificationsPage.xaml

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+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="GMCabsDriverAssistantSolution.Views.NotificationsPage"
+             xmlns:vm="clr-namespace:GMCabsDriverAssistantSolution.ViewModels"
+             Title="{Binding Title}">
+    <ContentPage.BindingContext>
+        <vm:NotificationsViewModel />
+    </ContentPage.BindingContext>
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <Color x:Key="Accent">#96d1ff</Color>
+        </ResourceDictionary>
+    </ContentPage.Resources>
+    <ContentPage.Content>
+        <StackLayout Orientation="Vertical"
+                     BackgroundColor="#DCDCDC">
+            <Frame Margin="16" 
+                   CornerRadius="8" 
+                   VerticalOptions="FillAndExpand"
+                   Padding="8">
+                <StackLayout Orientation="Vertical">
+                    <StackLayout Orientation="Horizontal"
+                                 HorizontalOptions="StartAndExpand"
+                                 Margin="8">
+                        <StackLayout Orientation="Vertical" >
+                            <Image Source="message.png" HeightRequest="50"/>
+                            <Image Source="ImportantIconSmall.png" 
+                                    HeightRequest="40"
+                                    VerticalOptions="CenterAndExpand"/>
+                        </StackLayout>
+                        <StackLayout Orientation="Vertical" 
+                                     HorizontalOptions="FillAndExpand">
+                            <Label Text="{Binding SelectedNotification.Subject}"
+                                   TextColor="Black"
+                                   FontSize="28"/>
+                            <Grid HorizontalOptions="StartAndExpand">
+                                <Grid.RowDefinitions>
+                                    <RowDefinition Height="*" />
+                                    <RowDefinition Height="*" />
+                                    <RowDefinition Height="*" />
+                                </Grid.RowDefinitions>
+                                <Grid.ColumnDefinitions>
+                                    <ColumnDefinition Width="Auto" />
+                                    <ColumnDefinition Width="1*" />
+                                </Grid.ColumnDefinitions>
+                                <Label Text="FROM"
+                                       FontSize="15"
+                                       Grid.Row="0" 
+                                       Grid.Column="0"/>
+                                <Label Text="{Binding SelectedNotification.FromName}"
+                                       TextColor="Black"
+                                       FontSize="16"
+                                       Grid.Row="0" 
+                                       Grid.Column="1"/>
+                                <Label Text="SENT"
+                                        FontSize="15"
+                                       Grid.Row="1" 
+                                       Grid.Column="0"/>
+                                <Label Text="{Binding SelectedNotification.SentDate, StringFormat='{0:dd/MM/yyyy hh:mm tt}'}"
+                                        FontSize="15"
+                                       Grid.Row="1" 
+                                       Grid.Column="1"/>
+                            </Grid>
+                        </StackLayout>
+                    </StackLayout>
+                    <ScrollView VerticalOptions="StartAndExpand" Padding="16, 0">
+                        <Label Text="{Binding SelectedNotification.Body}"
+                            FontSize="20"
+                            TextColor="Black" />
+                    </ScrollView>
+                    <Button Margin="8,0,8,0"                            
+                            FontSize="20"
+                            Text="Ok"
+                            Command="{Binding MarkNotificationAsViewedCommand}"/>
+                </StackLayout>
+            </Frame>
+        </StackLayout>
+    </ContentPage.Content>
+</ContentPage>

GMCabsDriverAssistantSolution/Views/NotificationsPage.xaml.cs

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+namespace GMCabsDriverAssistantSolution.Views;
+
+public partial class NotificationsPage : ContentPage
+{
+    #region Fields
+    #endregion
+
+    #region Properties
+    #endregion
+
+    #region Constructor
+    public NotificationsPage()
+    {
+        InitializeComponent();
+    }
+    #endregion
+
+    #region Methods
+    #endregion
+}