admin: add common-code crud and business-day rules

TaxBaik.Web/Components/Admin/Pages/Blog/BlogList.razor

@@ -1,19 +1,16 @@
 @page "/admin/blog"
 @attribute [Authorize]
-@inject IApiClient ApiClient
+@inject IBlogBrowserClient BlogClient
 @inject ISnackbar Snackbar
 
 <PageTitle>블로그 관리</PageTitle>
 
-<section class="admin-page-hero">
-    <div>
-        <MudText Typo="Typo.caption" Class="admin-eyebrow">Content</MudText>
-        <MudText Typo="Typo.h4" Class="admin-page-title">블로그 관리</MudText>
-        <MudText Typo="Typo.body2" Class="admin-page-subtitle">검색 유입 콘텐츠의 발행 상태와 성과를 관리합니다.</MudText>
-    </div>
-    <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.EditNote"
-        Href="/taxbaik/admin/blog/create">새 포스트 작성</MudButton>
-</section>
+<AdminPageHeader Title="블로그 관리" Eyebrow="Content" Subtitle="검색 유입 콘텐츠의 발행 상태와 성과를 관리합니다.">
+    <ChildContent>
+        <MudButton Variant="Variant.Filled" Color="Color.Primary" StartIcon="@Icons.Material.Filled.EditNote"
+                   Href="/taxbaik/admin/blog/create">새 포스트 작성</MudButton>
+    </ChildContent>
+</AdminPageHeader>
 
 <div class="d-flex pa-4 gap-4 align-center">
     <MudTextField @bind-Value="searchQuery" Placeholder="블로그 제목 또는 본문 검색..." Adornment="Adornment.Start" 
@@ -58,7 +55,7 @@
     [CascadingParameter]
     private Task<AuthenticationState>? AuthStateTask { get; set; }
 
-    private List<TaxBaik.Domain.Entities.BlogPost> posts = [];
+    private List<TaxBaik.Application.DTOs.BlogPostResponseDto> posts = [];
     private string searchQuery = "";
     private bool isLoading = true;
     private int currentPage = 1;
@@ -66,23 +63,19 @@
     private int totalPosts = 0;
     private const int PageSize = 20;
 
-    private IEnumerable<TaxBaik.Domain.Entities.BlogPost> FilteredPosts => posts?
-        .Where(p => string.IsNullOrEmpty(searchQuery) || 
-                    p.Title.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) || 
-                    (p.Content != null && p.Content.Contains(searchQuery, StringComparison.OrdinalIgnoreCase))) ?? Enumerable.Empty<TaxBaik.Domain.Entities.BlogPost>();
+    private IEnumerable<TaxBaik.Application.DTOs.BlogPostResponseDto> FilteredPosts => posts
+        .Where(p => string.IsNullOrEmpty(searchQuery) ||
+                    p.Title.Contains(searchQuery, StringComparison.OrdinalIgnoreCase) ||
+                    (p.Content != null && p.Content.Contains(searchQuery, StringComparison.OrdinalIgnoreCase)));
 
-    protected override async Task OnAfterRenderAsync(bool firstRender)
+    protected override async Task OnInitializedAsync()
     {
-        if (firstRender)
+        if (AuthStateTask != null)
         {
-            if (AuthStateTask != null)
+            var authState = await AuthStateTask;
+            if (authState.User.Identity?.IsAuthenticated == true)
             {
-                var authState = await AuthStateTask;
-                if (authState.User.Identity?.IsAuthenticated == true)
-                {
-                    await LoadPosts();
-                    StateHasChanged();
-                }
+                await LoadPosts();
             }
         }
     }
@@ -92,9 +85,9 @@
         isLoading = true;
         try
         {
-            var result = await ApiClient.GetAsync<PagedBlogResponse>($"blog/admin?page={currentPage}&pageSize={PageSize}");
-            posts = result?.Data ?? [];
-            totalPosts = result?.Total ?? 0;
+            var result = await BlogClient.GetAdminPagedAsync(currentPage, PageSize);
+            posts = result.Items.ToList();
+            totalPosts = result.Total;
             totalPages = Math.Max(1, (int)Math.Ceiling(totalPosts / (double)PageSize));
         }
         catch
@@ -124,21 +117,21 @@
         await LoadPosts();
     }
 
-    private async Task TogglePublish(TaxBaik.Domain.Entities.BlogPost post, bool isPublished)
+    private async Task TogglePublish(TaxBaik.Application.DTOs.BlogPostResponseDto post, bool isPublished)
     {
         var previous = post.IsPublished;
         post.IsPublished = isPublished;
-        var result = await ApiClient.PutAsync<TaxBaik.Domain.Entities.BlogPost>($"blog/{post.Id}", new
+        var result = await BlogClient.UpdateAsync(post.Id, new TaxBaik.Application.DTOs.CreateBlogPostDto
         {
-            post.Title,
-            post.Content,
-            post.CategoryId,
-            post.Tags,
-            post.SeoTitle,
-            post.SeoDescription,
-            post.ThumbnailUrl,
+            Title = post.Title,
+            Content = post.Content,
+            CategoryId = post.CategoryId,
+            Tags = post.Tags,
+            SeoTitle = post.SeoTitle,
+            SeoDescription = post.SeoDescription,
+            ThumbnailUrl = post.ThumbnailUrl,
             IsPublished = isPublished,
-            post.AuthorId
+            AuthorId = post.AuthorId
         });
 
         if (result == null)
@@ -153,14 +146,13 @@
 
     private async Task DeletePost(int postId)
     {
-        await ApiClient.DeleteAsync($"blog/{postId}");
+        var deleted = await BlogClient.DeleteAsync(postId);
+        if (!deleted)
+        {
+            Snackbar.Add("포스트 삭제에 실패했습니다.", Severity.Error);
+            return;
+        }
         Snackbar.Add("포스트가 삭제되었습니다.", Severity.Success);
         await LoadPosts();
     }
-
-    private class PagedBlogResponse
-    {
-        public List<TaxBaik.Domain.Entities.BlogPost> Data { get; set; } = [];
-        public int Total { get; set; }
-    }
 }