Updates to support pagination.

Author: poppastring

source/DasBlog.Web.Repositories/BlogManager.cs

@@ -29,6 +29,7 @@ public class BlogManager : IBlogManager
 		private readonly ILogger logger;
 		private static readonly Regex stripTags = new Regex("<[^>]*>", RegexOptions.Compiled | RegexOptions.CultureInvariant);
 		private readonly IDasBlogSettings dasBlogSettings;
+		private const int COMMENT_PAGE_SIZE = 5;
 
 		public BlogManager( ILogger<BlogManager> logger, IDasBlogSettings dasBlogSettings)
 		{
@@ -442,6 +443,20 @@ public CommentCollection GetAllComments()
 			return dataService.GetAllComments();
 		}
 
+		public List<Comment> GetCommentsFrontPage()
+		{
+			var comments = dataService.GetAllComments().OrderByDescending(d => d.CreatedUtc).ToList();
+
+			return comments.Take(COMMENT_PAGE_SIZE).ToList();
+		}
+
+		public List<Comment> GetCommentsForPage(int pageIndex)
+		{
+			var comments = dataService.GetAllComments().OrderByDescending(d => d.CreatedUtc).ToList();
+
+			return comments.Skip((pageIndex) * COMMENT_PAGE_SIZE).Take(COMMENT_PAGE_SIZE).ToList();
+		}
+
 		public CategoryCacheEntryCollection GetCategories()
 		{
 			return dataService.GetCategories();

source/DasBlog.Web.Repositories/Interfaces/IBlogManager.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using newtelligence.DasBlog.Runtime;
 
@@ -34,6 +35,10 @@ public interface IBlogManager
 
 		CommentCollection GetAllComments();
 
+		List<Comment> GetCommentsFrontPage();
+
+		List<Comment> GetCommentsForPage(int pageIndex);
+
 		EntryCollection SearchEntries(string searchString, string acceptLanguageHeader);
 
 		bool SendTestEmail();

source/DasBlog.Web.UI/Controllers/AdminController.cs

@@ -91,15 +91,15 @@ public IActionResult Settings(DasBlogSettingsViewModel settings)
 		[HttpGet("/admin/manage-comments/{postid}")]
 		public IActionResult ManageComments(string postid)
 		{
-			List<CommentAdminViewModel> comments = null;
+			var comments = new List<CommentAdminViewModel>();
 
 			if (postid != null)
 			{
 				comments = blogManager.GetComments(postid, true).Select(comment => mapper.Map<CommentAdminViewModel>(comment)).ToList();
 			}
 			else
 			{
-				comments = blogManager.GetAllComments().Select(comment => mapper.Map<CommentAdminViewModel>(comment)).ToList();
+				comments = blogManager.GetCommentsFrontPage().Select(comment => mapper.Map<CommentAdminViewModel>(comment)).ToList();
 			}
 
 			foreach (var cmt in comments)
@@ -110,6 +110,30 @@ public IActionResult ManageComments(string postid)
 			return View(comments.OrderByDescending(d => d.Date).ToList());
 		}
 
+		[HttpGet]
+		[Route("/admin/manage-comments/page")]
+		[HttpGet("/admin/manage-comments/page/{page}")]
+		public IActionResult ManageCommentsByPage(int page) 
+		{
+			var comments = new List<CommentAdminViewModel>();
+
+			if (page > 0)
+			{
+				comments = blogManager.GetCommentsForPage(page).Select(comment => mapper.Map<CommentAdminViewModel>(comment)).ToList();
+			}
+			else
+			{
+				comments = blogManager.GetCommentsFrontPage().Select(comment => mapper.Map<CommentAdminViewModel>(comment)).ToList();
+			}
+
+			foreach (var cmt in comments)
+			{
+				cmt.Title = blogManager.GetBlogPostByGuid(new Guid(cmt.BlogPostId))?.Title;
+			}
+
+			return View("ManageComments", comments.OrderByDescending(d => d.Date).ToList());
+		}
+
 		public IActionResult TestEmail()
 		{
 			if (!blogManager.SendTestEmail())