public PostItemDetailPage(LiquidationPostItem postItem)
{
InitializeComponent();
this.BindingContext = viewModel = new PostItemDetailPageViewModel(postItem.Id);
viewModel.PostItem = postItem;
Init();
}
private async void FollowPost_Clicked(object sender, EventArgs e)
{
loadingPopup.IsVisible = true;
if (UserLogged.IsLogged == false)
{
loadingPopup.IsVisible = false;
await DisplayAlert("", Language.vui_long_dang_nhap, Language.dong);
((AppShell)Shell.Current).SetLoginPageActive();
return;
}
Grid grid = (sender as Grid);
LiquidationPostItem post = (LiquidationPostItem)(grid.GestureRecognizers[0] as TapGestureRecognizer).CommandParameter;
if (post.CreatedById == UserLogged.Id)
{
loadingPopup.IsVisible = false;
await DisplayAlert("", Language.khong_the_thuc_hien_chuc_nang_nay, Language.dong);
return;
}
bool isFollow = await viewModel.Follow(post.Id);
grid.Children[2].IsVisible = isFollow;
grid.Children[3].IsVisible = isFollow;
loadingPopup.IsVisible = false;
}
public void AddPostItem(LiquidationPostItem postItem)
{
postItem.UserComments = new List <string>()
{
postItem.CreatedById
};
this._postItems.InsertOne(postItem);
}
public async Task <string[]> GetReceiveNotificationUser(string PostId)
{
LiquidationPostItem post = await this.GetById(PostId);
var followList = post.UserFollows ?? new List <string>();
var commentArray = post.UserComments.ToArray();
foreach (var item in commentArray)
{
if (!followList.Any(x => x == item))
{
followList.Add(item);
}
}
return(followList.ToArray());
}
public async Task <bool> Follow(string PostId, string UserId)
{
LiquidationPostItem post = _postItems.Find(x => x.Id == PostId).SingleOrDefault();
if (post.UserFollows != null && post.UserFollows.Any(x => x == UserId)) // dang follow
{
post.UserFollows.Remove(UserId);
_postItems.ReplaceOne(p => p.Id == PostId, post);
return(false);
}
else
{
if (post.UserFollows == null)
{
post.UserFollows = new List <string>();
}
post.UserFollows.Add(UserId);
_postItems.ReplaceOne(p => p.Id == PostId, post);
// send notifiaction.
INotificationService notificationService = DependencyService.Get <INotificationService>();
Guid ReceiverId = Guid.Parse(post.CreatedById);
string NotificationImage = (post.Images != null && post.Images.Length > 0) ? AvatarHelper.GetPostAvatar(post.Images.FirstOrDefault()) : null;
NotificationModel notification = new NotificationModel()
{
UserId = ReceiverId,
CurrentBadgeCount = (int)notificationService.CountNotReadNotificationUser(ReceiverId) + 1,
Title = UserLogged.FullName + " đã theo dõi bài viết của bạn",
NotificationType = NotificationType.ViewLiquidationPostItem,
PostItemId = PostId,
CreatedDate = DateTime.Now,
IsRead = false,
Thumbnail = NotificationImage
};
await notificationService.AddNotification(notification, Language.theo_doi);
return(true);
}
}
private async void Save_Clicked(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(EntryTitle.Text))
{
await DisplayAlert("", Language.vui_long_nhap_tieu_de_bai_dang, Language.dong);
return;
}
if (string.IsNullOrEmpty(editor.Text))
{
await DisplayAlert("", Language.vui_long_nhap_mo_ta_bai_dang, Language.dong);
return;
}
loadingPopup.IsVisible = true;
MultipartFormDataContent form = new MultipartFormDataContent();
string[] imageList = null;
// kiem tra co hinh thi upload.
if (viewModel.Media.Count > 0)
{
if (viewModel.Media.Count > 9)
{
loadingPopup.IsVisible = false;
await DisplayAlert("", Language.vui_long_chon_toi_da_9_anh, Language.dong);
return;
}
imageList = new string[viewModel.Media.Count];
for (int i = 0; i < viewModel.Media.Count; i++)
{
var media = viewModel.Media[i];
// chua upload. upload roi link = null
if (string.IsNullOrEmpty(media.Path) == false) // co link la co chon tu dien thoai.
{
imageList[i] = $"{Guid.NewGuid().ToString()}.jpg";
var stream = new System.IO.MemoryStream(File.ReadAllBytes(media.Path));
var content = new StreamContent(stream);
content.Headers.ContentDisposition = new ContentDispositionHeaderValue("form-data")
{
Name = "files" + i,
FileName = imageList[i]
};
form.Add(content);
}
}
var uploadResponse = await UploadImage(form);
if (uploadResponse.IsSuccess == false)
{
loadingPopup.IsVisible = false;
await DisplayAlert("", Language.loi_upload_hinh_anh_vui_long_thu_lai, Language.dong);
return;
}
}
LiquidationPostItem item = new LiquidationPostItem();
item.Title = EntryTitle.Text;
item.Type = ControlSegment.GetCurrentIndex();
item.Description = editor.Text;
item.Images = imageList;
item.CreatedById = UserLogged.Id;
item.CreatedBy = new PostItemUser()
{
UserId = UserLogged.Id,
FullName = UserLogged.FullName,
Avatar = UserLogged.AvatarUrl.Replace(ApiConfig.IP2, "")
};
item.CreatedDate = DateTime.Now;
item.HasImage = imageList != null && imageList.Length > 0;
if (EntryPrice.Text.HasValue)
{
item.HasPrice = true;
item.Price = DecimalHelper.ToCurrency(EntryPrice.Text.Value) + " đ";
}
if (viewModel.Province != null)
{
item.ProvinceId = viewModel.Province.Id;
if (viewModel.District != null)
{
item.DistrictId = viewModel.District.Id;
if (viewModel.Ward != null)
{
item.WardId = viewModel.Ward.Id;
}
}
}
if (!string.IsNullOrWhiteSpace(viewModel.Address))
{
item.HasAddress = true;
item.Address = viewModel.Address;
}
if (viewModel.Category != null)
{
item.HasCategory = true;
item.CategoryName = viewModel.Category.Name;
}
ILiquidationPostItemService postItemService = DependencyService.Get <ILiquidationPostItemService>();
postItemService.AddPostItem(item);
MessagingCenter.Send <AddPostItemPage, LiquidationPostItem>(this, "AddPostItemSuccess", item);
loadingPopup.IsVisible = false;
await Navigation.PopAsync();
}
