refactor(EventHub-Admin): cover image operations

src/EventHub.Admin.Application/Events/EventAppService.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Linq.Dynamic.Core;
 using System.Threading.Tasks;
 using EventHub.Admin.Permissions;
 using EventHub.Countries;
@@ -72,6 +71,10 @@ namespace EventHub.Admin.Events
             {
                 await SetCoverImageAsync(blobName: id.ToString(), input.CoverImageStreamContent);
             }
+            else
+            {
+                await DeleteCoverImageAsync(blobName: id.ToString());
+            }
 
             await _eventRepository.UpdateAsync(@event);
         }
@@ -107,5 +110,10 @@ namespace EventHub.Admin.Events
         {
             await _eventBlobContainer.SaveAsync(blobName, streamContent.GetStream(), overrideExisting);
         }
+        
+        private async Task DeleteCoverImageAsync(string blobName)
+        {
+            await _eventBlobContainer.DeleteAsync(blobName);
+        }
     }
 }

src/EventHub.Admin.Application/Organizations/OrganizationAppService.cs

@@ -78,7 +78,7 @@ namespace EventHub.Admin.Organizations
 
             return await CreateOrganizationProfileDto(organization);
         }
-        
+
         public async Task<OrganizationProfileDto> GetByNameAsync(string name)
         {
             var organization = await _organizationRepository.FindAsync(x => x.Name.ToLower() == name.ToLower());
@@ -110,6 +110,10 @@ namespace EventHub.Admin.Organizations
             {
                 await SaveCoverImageAsync(organization.Id, input.ProfilePictureStreamContent);
             }
+            else
+            {
+                await DeleteCoverImageAsync(blobName: id.ToString());
+            }
 
             await _organizationRepository.UpdateAsync(organization);
 
@@ -121,7 +125,7 @@ namespace EventHub.Admin.Organizations
         {
             await _organizationRepository.DeleteAsync(id);
         }
-        
+
         private async Task<OrganizationProfileDto> CreateOrganizationProfileDto(Organization organization)
         {
             var dto = ObjectMapper.Map<Organization, OrganizationProfileDto>(organization);
@@ -138,7 +142,7 @@ namespace EventHub.Admin.Organizations
         {
             var blobName = id.ToString();
             var coverImageStream = await _organizationBlobContainer.GetOrNullAsync(blobName);
-            
+
             if (coverImageStream is null)
             {
                 return null;
@@ -153,5 +157,10 @@ namespace EventHub.Admin.Organizations
 
             await _organizationBlobContainer.SaveAsync(blobName, coverImageContent.GetStream(), overrideExisting: true);
         }
+
+        private async Task DeleteCoverImageAsync(string blobName)
+        {
+            await _organizationBlobContainer.DeleteAsync(blobName);
+        }
     }
 }

src/EventHub.Admin.HttpApi.Host/Controllers/Events/EventController.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using EventHub.Admin.Events;
+using EventHub.Events;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Volo.Abp;
@@ -47,16 +48,7 @@ namespace EventHub.Admin.Controllers.Events
             var remoteStreamContent = await _eventAppService.GetCoverImageAsync(id);
             if (remoteStreamContent is null)
             {
-                var stream = _virtualFileProvider
-                    .GetFileInfo("/Images/eh-event.png")
-                    .CreateReadStream();
-                
-                remoteStreamContent = new RemoteStreamContent(stream)
-                {
-                    ContentType = "image/png"
-                };
-                
-                await stream.FlushAsync();
+                return null;
             }
             
             Response.Headers.Add("Accept-Ranges", "bytes");

src/EventHub.Admin.HttpApi.Host/Controllers/Organizations/OrganizationController.cs

@@ -2,6 +2,7 @@ using System;
 using System.IO;
 using System.Threading.Tasks;
 using EventHub.Admin.Organizations;
+using EventHub.Organizations;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Volo.Abp;
@@ -69,15 +70,7 @@ namespace EventHub.Admin.Controllers.Organizations
             var remoteStreamContent = await _organizationAppService.GetCoverImageAsync(id);
             if (remoteStreamContent is null)
             {
-                var stream = _virtualFileProvider
-                    .GetFileInfo("/Images/eh-organization.png")
-                    .CreateReadStream();
-                
-                remoteStreamContent = new RemoteStreamContent(stream)
-                {
-                    ContentType = "image/png"
-                };
-                await stream.FlushAsync();
+                return null;
             }
             
             Response.Headers.Add("Accept-Ranges", "bytes");

src/EventHub.Admin.HttpApi.Host/EventHub.Admin.HttpApi.Host.csproj

@@ -33,7 +33,6 @@
         <Content Remove="Logs\**" />
         <EmbeddedResource Remove="Logs\**" />
         <None Remove="Logs\**" />
-        <EmbeddedResource Include="Images\**\*.*" />
     </ItemGroup>
 
 </Project>

src/EventHub.Admin.HttpApi.Host/EventHubAdminHttpApiHostModule.cs

@@ -93,10 +93,6 @@ namespace EventHub.Admin
 
             Configure<AbpVirtualFileSystemOptions>(options =>
             {
-                options.FileSets.AddEmbedded<EventHubAdminHttpApiHostModule>(
-                    baseNamespace: "EventHub.Admin",
-                    baseFolder: "/Images");
-
                 if (hostingEnvironment.IsDevelopment())
                 {
                     options.FileSets.ReplaceEmbeddedByPhysical<EventHubDomainSharedModule>(

src/EventHub.Admin.Web/EventHub.Admin.Web.csproj

@@ -22,4 +22,7 @@
     <PackageReference Include="Volo.Abp.Identity.Blazor.WebAssembly" Version="4.4.0-rc.1" />
   </ItemGroup>
 
+  <ItemGroup>
+    <EmbeddedResource Include="wwwroot\**\*.*" />
+  </ItemGroup>
 </Project>

src/EventHub.Admin.Web/Pages/EventManagement.razor

@@ -266,13 +266,13 @@
                                         <FileEdit MaxMessageSize="@EventConsts.MaxCoverImageFileSize" Filter="@string.Join(", ", EventConsts.AllowedCoverImageExtensions)" Changed="@OnCoverImageFileChanged" AutoReset="true"/>
                                     </FieldBody>
                                     <Column ColumnSize="ColumnSize.Is3">
-                                        @if (!string.IsNullOrEmpty(CoverImageUrl))
+                                        @if (DisabledCoverImageButton)
                                         {
-                                            <Button Color="Color.Warning" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
+                                            <Button disabled Color="Color.Secondary" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
                                         }
                                         else
                                         {
-                                            <Button disabled Color="Color.Secondary" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
+                                            <Button Color="Color.Warning" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
                                         }
                                     </Column>
                                 </Field>

src/EventHub.Admin.Web/Pages/EventManagement.razor.cs

@@ -10,6 +10,7 @@ using System.ComponentModel;
 using Microsoft.AspNetCore.Components.Web;
 using System.IO;
 using System.Globalization;
+using EventHub.Events;
 using NUglify.Helpers;
 using Volo.Abp;
 using Volo.Abp.Content;
@@ -33,6 +34,7 @@ namespace EventHub.Admin.Web.Pages
         private IFileEntry FileEntry { get; set; }
         private List<CountryLookupDto> Countries { get; set; }
         private List<Language> Languages { get; set; }
+        private bool DisabledCoverImageButton { get; set; }
 
         public EventManagement()
         {
@@ -96,7 +98,7 @@ namespace EventHub.Admin.Web.Pages
             EditingEvent = ObjectMapper.Map<EventDetailDto, UpdateEventDto>(Event);
             
             FileEntry = new FileEntry();
-            CoverImageUrl = UrlOptions.Value.AdminApi.EnsureEndsWith('/') + "api/eventhub/admin/event/cover-image/" + EditingEventId;
+            await SetCoverImageUrlAsync();
 
             EditEventModal.Show();
         }
@@ -122,6 +124,7 @@ namespace EventHub.Admin.Web.Pages
             await GetEventsAsync();
 
             CoverImageUrl = string.Empty;
+            DisabledCoverImageButton = false;
             EditEventModal.Hide();
         }
 
@@ -145,17 +148,6 @@ namespace EventHub.Admin.Web.Pages
             await GetEventsAsync();
         }
 
-        private void SetCoverImageUrl(string contentType, byte[] content)
-        {
-            if (content.IsNullOrEmpty())
-            {
-                return;
-            }
-
-            contentType = string.IsNullOrWhiteSpace(contentType) ? "image/png" : contentType;
-            CoverImageUrl = $"data:{contentType};base64,{Convert.ToBase64String(content)}";
-        }
-
         private async Task OnCoverImageFileChanged(FileChangedEventArgs e)
         {
             FileEntry = e.Files.FirstOrDefault();
@@ -174,6 +166,18 @@ namespace EventHub.Admin.Web.Pages
                 FileName = FileEntry.Name
             };
 
+            void SetCoverImageUrl(string contentType, byte[] content)
+            {
+                if (content.IsNullOrEmpty())
+                {
+                    return;
+                }
+
+                contentType = string.IsNullOrWhiteSpace(contentType) ? "image/png" : contentType;
+                CoverImageUrl = $"data:{contentType};base64,{Convert.ToBase64String(content)}";
+                DisabledCoverImageButton = false;
+            }
+            
             SetCoverImageUrl(FileEntry.Type, stream.ToArray());
             await InvokeAsync(StateHasChanged);
         }
@@ -183,12 +187,26 @@ namespace EventHub.Admin.Web.Pages
             EditingEvent.CoverImageStreamContent = null;
             FileEntry = new FileEntry();
             CoverImageUrl = null;
+            DisabledCoverImageButton = true;
         }
 
         private async Task FillCountriesAsync()
         {
             Countries = await EventAppService.GetCountriesLookupAsync();
         }
+        
+        private async Task SetCoverImageUrlAsync()
+        {
+            var imageRemoteStreamContent = await EventAppService.GetCoverImageAsync(id: EditingEventId);
+
+            if (imageRemoteStreamContent.ContentLength <= 0)
+            {
+                CoverImageUrl = "/assets/eh-event.png";
+                DisabledCoverImageButton = true;
+                return;
+            }
+            CoverImageUrl = UrlOptions.Value.AdminApi.EnsureEndsWith('/') + "api/eventhub/admin/event/cover-image/" + EditingEventId;
+        }
 
         private enum EventEditTabs : byte
         {

src/EventHub.Admin.Web/Pages/OrganizationManagement.razor

@@ -238,16 +238,16 @@
                                 <Field Horizontal="true">
                                     <FieldLabel ColumnSize="ColumnSize.Is3">@L["ChooseProfileImage"]</FieldLabel>
                                     <FieldBody ColumnSize="ColumnSize.Is6">
-                                        <FileEdit MaxMessageSize="@OrganizationConsts.MaxProfilePictureFileSize" Filter=".jpg, .png" Changed="@OnProfileImageFileChanged" Progressed="@OnProgressedForProfileImage" AutoReset="true"/>
+                                        <FileEdit MaxMessageSize="@OrganizationConsts.MaxProfilePictureFileSize" Filter="@string.Join(", ", OrganizationConsts.AllowedProfilePictureExtensions)" Changed="@OnProfileImageFileChanged" Progressed="@OnProgressedForProfileImage" AutoReset="true"/>
                                     </FieldBody>
                                     <Column ColumnSize="ColumnSize.Is3">
-                                        @if (!ProfileImageUrl.IsNullOrWhiteSpace())
+                                        @if (DisabledProfileImageButton)
                                         {
-                                            <Button Color="Color.Warning" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
+                                            <Button disabled Color="Color.Secondary" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
                                         }
                                         else
                                         {
-                                            <Button disabled Color="Color.Secondary" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
+                                            <Button Color="Color.Warning" Clicked="@OnDeleteCoverImageButtonClicked">@L["DeleteCoverImage"]</Button>
                                         }
                                     </Column>
                                 </Field>

src/EventHub.Admin.Web/Pages/OrganizationManagement.razor.cs

@@ -31,6 +31,7 @@ namespace EventHub.Admin.Web.Pages
         private IFileEntry FileEntry { get; set; }
         private bool IsLoadingProfileImage { get; set; }
         private string SelectedTabInEditModal { get; set; }
+        private bool DisabledProfileImageButton { get; set; }
 
         public OrganizationManagement()
         {
@@ -76,7 +77,7 @@ namespace EventHub.Admin.Web.Pages
             Organization = await OrganizationAppService.GetAsync(EditingOrganizationId);
 
             FileEntry = new FileEntry();
-            ProfileImageUrl = UrlOptions.Value.AdminApi.EnsureEndsWith('/') + "api/eventhub/admin/organization/cover-image/" + EditingOrganizationId;
+            await SetProfileImageUrlAsync();
 
             EditingOrganization = ObjectMapper.Map<OrganizationProfileDto, UpdateOrganizationDto>(Organization);
             EditOrganizationModal.Show();
@@ -87,6 +88,9 @@ namespace EventHub.Admin.Web.Pages
             await OrganizationAppService.UpdateAsync(EditingOrganizationId, EditingOrganization);
             await GetOrganizationsAsync();
             EditOrganizationModal.Hide();
+
+            ProfileImageUrl = null;
+            DisabledProfileImageButton = false;
         }
 
         private void OnDeleteCoverImageButtonClicked()
@@ -94,6 +98,7 @@ namespace EventHub.Admin.Web.Pages
             EditingOrganization.ProfilePictureStreamContent = null;
             FileEntry = new FileEntry();
             ProfileImageUrl = null;
+            DisabledProfileImageButton = true;
             IsLoadingProfileImage = false;
         }
 
@@ -123,18 +128,19 @@ namespace EventHub.Admin.Web.Pages
                 FileName = FileEntry.Name
             };
 
-            SetProfileImageUrl(FileEntry.Type, stream.ToArray());
-            await InvokeAsync(StateHasChanged);
-        }
-
-        private void SetProfileImageUrl(string contentType, byte[] content)
-        {
-            if (content != null)
+            void SetProfileImageUrl(string contentType, byte[] content)
             {
-                contentType = string.IsNullOrWhiteSpace(contentType) ? "image/png" : contentType;
-                var imageDataUrl = $"data:{contentType};base64,{Convert.ToBase64String(content)}";
-                ProfileImageUrl = imageDataUrl;
+                if (content != null)
+                {
+                    contentType = string.IsNullOrWhiteSpace(contentType) ? "image/png" : contentType;
+                    var imageDataUrl = $"data:{contentType};base64,{Convert.ToBase64String(content)}";
+                    ProfileImageUrl = imageDataUrl;
+                    DisabledProfileImageButton = false;
+                }
             }
+            
+            SetProfileImageUrl(FileEntry.Type, stream.ToArray());
+            await InvokeAsync(StateHasChanged);
         }
 
         private void OnProgressedForProfileImage(FileProgressedEventArgs e)
@@ -163,6 +169,18 @@ namespace EventHub.Admin.Web.Pages
                 await GetOrganizationsAsync();
             }
         }
+        
+        private async Task SetProfileImageUrlAsync()
+        {
+            var imageRemoteStreamContent = await OrganizationAppService.GetCoverImageAsync(id: EditingOrganizationId);
+            if (imageRemoteStreamContent.ContentLength <= 0)
+            {
+                ProfileImageUrl = "assets/eh-organization.png";
+                DisabledProfileImageButton = true;
+                return;
+            }
+            ProfileImageUrl = UrlOptions.Value.AdminApi.EnsureEndsWith('/') + "api/eventhub/admin/organization/cover-image/" + EditingOrganizationId;
+        }
     }
 
     public enum TabContentInEditModal : byte

src/EventHub.Domain.Shared/Organizations/OrganizationContst.cs

@@ -26,5 +26,7 @@
         public const int MaxInstagramUsernameLength = 24;
 
         public const int MaxMediumUsernameLength = 24;
+        
+        public static string[] AllowedProfilePictureExtensions = { ".jpg", ".png" };
     }
 }