Edit BlogPost

Bloggle/Controllers/AdminBlogPostController.cs

@@ -71,5 +71,82 @@ public async Task<IActionResult> List()
 
             return View(blogPosts);
         }
+
+        [HttpGet]
+        public async Task<IActionResult> Edit(Guid id)
+        {
+             var blgPosts = await blogPostRepository.GetByIdAsync(id);
+            var tags = await tagRepository.GetAllAsync();
+
+           if (blgPosts != null)
+            {
+                var model = new EditBlogPostRequest
+                {
+                    Id = blgPosts.Id,
+                    Heading = blgPosts.Heading,
+                    ShortDescription = blgPosts.ShortDescription,
+                    Author = blgPosts.Author,
+                    PublishedDate = blgPosts.PublishedDate,
+                    PageTitle = blgPosts.PageTitle,
+                    Content = blgPosts.Content,
+                    FeaturedImageUrl = blgPosts.FeaturedImageUrl,
+                    UrlHandle = blgPosts.UrlHandle,
+                    Visible = blgPosts.Visible,
+                    Tags = tags.Select(x => new SelectListItem
+                    {
+                        Text = x.Name,
+                        Value = x.Id.ToString(),
+                    }),
+                    SelectedTag = blgPosts.Tags.Select(x => x.Id.ToString()).ToArray()
+                };
+                return View(model);
+            }
+
+            return View(null);
+        }
+
+        [HttpPost]
+        public async Task<IActionResult> Edit(EditBlogPostRequest editBlogPostRequest)
+        {
+            var blogPostDomanModel = new BlogPost
+            {
+                Id = editBlogPostRequest.Id,
+                Heading = editBlogPostRequest.Heading,
+                ShortDescription = editBlogPostRequest.ShortDescription,
+                Author = editBlogPostRequest.Author,
+                PageTitle = editBlogPostRequest.PageTitle,
+                Content = editBlogPostRequest.Content,
+                PublishedDate = editBlogPostRequest.PublishedDate,
+                FeaturedImageUrl = editBlogPostRequest.FeaturedImageUrl,
+                UrlHandle = editBlogPostRequest.UrlHandle,
+                Visible = editBlogPostRequest.Visible,
+
+            };
+
+            // Map tags into domain model 
+            var seTags = new List<Tag>();
+            foreach (var selectedTag in editBlogPostRequest.SelectedTag)
+            {
+                if (Guid.TryParse(selectedTag, out var tag))
+                {
+                    var foundTag = await tagRepository.GetAsync(tag);
+                    if (foundTag != null)
+                    {
+                        seTags.Add(foundTag);
+                    }
+                }
+            }
+
+            blogPostDomanModel.Tags = seTags;
+
+            //Submit information to repository to update
+            var updateBlog = await blogPostRepository.UpdateAsync(blogPostDomanModel);
+            if (updateBlog != null)
+            {
+                return RedirectToAction("List");
+            }
+
+            return RedirectToAction("Edit");
+        }
     }
 }

Bloggle/Models/ViewModels/EditBlogPostRequest.cs

@@ -0,0 +1,24 @@
+using Microsoft.AspNetCore.Mvc.Rendering;
+
+namespace Bloggle.Models.ViewModels
+{
+    public class EditBlogPostRequest
+    {
+        public Guid Id { get; set; }
+        public string Heading { get; set; }
+        public string PageTitle { get; set; }
+        public string Content { get; set; }
+        public string ShortDescription { get; set; }
+        public string FeaturedImageUrl { get; set; }
+        public string UrlHandle { get; set; }
+        public DateTime PublishedDate { get; set; }
+        public string Author { get; set; }
+        public bool Visible { get; set; }
+
+        // Display tags
+        public IEnumerable<SelectListItem> Tags { get; set; }
+
+        // Collect Tag
+        public string[] SelectedTag { get; set; } = Array.Empty<string>();
+    }
+}

Bloggle/Repository/BlogPostRepository.cs

@@ -30,14 +30,33 @@ public async Task<IEnumerable<BlogPost>> GetAllPostsAsync()
             return await appDbContext.BlogPosts.Include(x => x.Tags).ToListAsync();
         }
 
-        public Task<BlogPost> GetByIdAsync(Guid id)
+        public async Task<BlogPost> GetByIdAsync(Guid id)
         {
-            throw new NotImplementedException();
+            return await appDbContext.BlogPosts.Include(x => x.Tags).FirstOrDefaultAsync(x => x.Id == id);
         }
 
-        public Task<BlogPost> UpdateAsync(BlogPost blogPost)
+        public async Task<BlogPost> UpdateAsync(BlogPost blogPost)
         {
-            throw new NotImplementedException();
+            var existingBlog = await appDbContext.BlogPosts.Include(x => x.Tags)
+                .FirstOrDefaultAsync(x => x.Id == blogPost.Id);
+            if (existingBlog != null)
+            {
+                existingBlog.Id = blogPost.Id;
+                existingBlog.Heading = blogPost.Heading;
+                existingBlog.Author = blogPost.Author;
+                existingBlog.ShortDescription = blogPost.ShortDescription;
+                existingBlog.Content = blogPost.Content;
+                existingBlog.PublishedDate = blogPost.PublishedDate;
+                existingBlog.Visible = blogPost.Visible;
+                existingBlog.PageTitle = blogPost.PageTitle;
+                existingBlog.FeaturedImageUrl = blogPost.FeaturedImageUrl;
+                existingBlog.UrlHandle = blogPost.UrlHandle;
+                existingBlog.Tags = blogPost.Tags;
+
+                await appDbContext.SaveChangesAsync();
+                return existingBlog;
+            }
+            return null;
         }
     }
 }

Bloggle/Repository/IBlogPostRepository.cs

@@ -7,7 +7,7 @@ public interface IBlogPostRepository
         Task<IEnumerable<BlogPost>> GetAllPostsAsync();
         Task<BlogPost> GetByIdAsync(Guid id);
         Task<BlogPost> AddAsync(BlogPost blogPost);
-        Task<BlogPost> UpdateAsync(BlogPost blogPost);
-        Task<BlogPost> DeleteAsync(Guid id);
+        Task<BlogPost?> UpdateAsync(BlogPost blogPost);
+        Task<BlogPost?> DeleteAsync(Guid id);
     }
 }

Bloggle/Views/AdminBlogPost/Edit.cshtml

@@ -0,0 +1,74 @@
+@model Bloggle.Models.ViewModels.EditBlogPostRequest
+@{
+}
+
+<div class="bg-secondary bg-opacity-10 py-2">
+    <div class="container">
+        <h1>Edit BlogPost - Admin Functionality</h1>
+    </div>
+</div> 
+
+<div class="container py-5">
+    @if (Model != null)
+    {
+       <form method="post">
+            <div class="mb-3">
+                <label class="form-label">Id</label>
+                <input type="text" class="form-control" id="id" asp-for="Id" readonly />
+            </div>
+            <div class="mb-3">
+                <label class="form-label">Heading</label>
+                <input type="text" class="form-control" id="Heading" asp-for="Heading" />
+            </div>
+            <div class="mb-3">
+                <label class="form-label">Page Title</label>
+                <input type="text" class="form-control" id="PageTitle" asp-for="PageTitle" />
+            </div>
+            <div class="mb-3">
+                <label class="form-label">Content</label>
+                <textarea class="form-control" id="Content" asp-for="Content"> </textarea>
+            </div>
+            <div class="mb-3">
+                <label class="form-label">Short Description</label>
+                <input type="text" class="form-control" id="ShortDescription" asp-for="ShortDescription" />
+            </div>
+            <div class="mb-3">
+                <label class="form-label">FeaturedImageUrl</label>
+                <input type="text" class="form-control" id="FeaturedImageUrl" asp-for="FeaturedImageUrl" />
+            </div>
+            <div class="mb-3">
+                <label class="form-label">UrlHandle</label>
+                <input type="text" class="form-control" id="UrlHandle" asp-for="UrlHandle" />
+            </div>
+            <div class="mb-3">
+                <label class="form-label">PublishedDate</label>
+                <input type="date" class="form-control" id="PublishedDate" asp-for="PublishedDate" />
+            </div>
+            <div class="mb-3">
+                <label class="form-label">Author</label>
+                <input type="text" class="form-control" id="Author" asp-for="Author" />
+            </div>
+
+            <div class="form-check mb-3">
+                <input class="form-check-input" type="checkbox" id="Visible" asp-for="Visible">
+                <label class="form-check-label">
+                    Is Visible?
+                </label>
+            </div>
+            <div class="mb-3">
+                <label class="form-label">Tags</label>
+                <select class="form-select"
+                        asp-items="@Model.Tags"
+                        asp-for="SelectedTag"></select>
+            </div>
+            <div class="mb-3">
+                <button type="submit" class="btn btn-dark">Update</button>
+            </div>
+       </form>
+    }
+    else
+    {
+        <p>No blog post found!</p>
+    }
+
+</div>

Bloggle/Views/AdminBlogPost/List.cshtml

@@ -17,6 +17,7 @@
             <td>Id</td>
             <td>Heading</td>
             <td>Tags</td>
+            <td></td>
            </tr>
         </thead>
         <tbody>
@@ -33,6 +34,12 @@
                             }
                         </div>
                     </td>
+                    <td>
+                        <a asp-area=""
+                        asp-action="Edit"
+                        asp-controller="AdminBlogPost"
+                        asp-route-id="@blogPost.Id">Edit</a>
+                    </td>
                 </tr>
             }
         </tbody>