/// <summary>
/// Preview
/// </summary>
/// <param name="post"></param>
/// <returns></returns>
public async Task <JsonResult> OnPostPreviewAsync([FromBody] PostVM post)
{
// prep blog post
List <Tag> tags = new List <Tag>();
foreach (var title in post.Tags) // titles
{
tags.Add(await _tagSvc.GetByTitleAsync(title));
}
var blogPost = new BlogPost
{
User = await _userManager.GetUserAsync(HttpContext.User),
UserId = Convert.ToInt32(_userManager.GetUserId(HttpContext.User)),
Category = await _catSvc.GetAsync(post.CategoryId),
CreatedOn = GetCreatedOn(post.PostDate),
Tags = tags,
Slug = post.Slug.IsNullOrEmpty() ? "untitled" : post.Slug,
Excerpt = post.Excerpt,
Title = post.Title.IsNullOrEmpty() ? "Untitled" : post.Title,
Body = post.Body,
};
// prep TempData
var prevRelLink = BlogRoutes.GetPostPreviewRelativeLink(blogPost.CreatedOn, blogPost.Slug);
TempData.Put(prevRelLink, blogPost);
// return preview url
return(new JsonResult($"{Request.Scheme}://{Request.Host}{prevRelLink}"));
}
/// <summary>
/// Ajax POST to publish a post.
/// </summary>
/// <returns>
/// Absolute URL to the post.
/// </returns>
/// <remarks>
/// The post could be new or previously published.
/// </remarks>
public async Task <JsonResult> OnPostPublishAsync([FromBody] PostVM post)
{
var blogPost = new BlogPost
{
UserId = Convert.ToInt32(_userManager.GetUserId(HttpContext.User)),
CategoryId = post.CategoryId,
CreatedOn = GetCreatedOn(post.PostDate),
TagTitles = post.Tags,
Slug = post.Slug,
Excerpt = post.Excerpt,
Title = post.Title,
Body = post.Body,
Status = EPostStatus.Published,
};
if (post.Id <= 0)
{
blogPost = await _blogSvc.CreateAsync(blogPost);
}
else
{
blogPost.Id = post.Id;
blogPost = await _blogSvc.UpdateAsync(blogPost);
}
return(new JsonResult(GetPostAbsoluteUrl(blogPost)));
}
/// <summary>
/// Ajax POST to save a post as draft.
/// </summary>
/// <returns>
/// The updated <see cref="BlogPost"/>.
/// </returns>
/// <remarks>
/// This is called by either auto save or user clicking on Save.
/// </remarks>
public async Task <JsonResult> OnPostSaveAsync([FromBody] PostVM post)
{
var blogPost = new BlogPost
{
UserId = Convert.ToInt32(_userManager.GetUserId(HttpContext.User)),
CategoryId = post.CategoryId,
CreatedOn = GetCreatedOn(post.PostDate),
TagTitles = post.Tags,
Slug = post.Slug,
Excerpt = post.Excerpt,
Title = post.Title,
Body = post.Body,
Status = EPostStatus.Draft,
};
if (post.Id <= 0)
{
blogPost = await _blogSvc.CreateAsync(blogPost);
}
else
{
blogPost.Id = post.Id;
blogPost = await _blogSvc.UpdateAsync(blogPost);
}
var postVM = new PostVM
{
Id = blogPost.Id,
Title = blogPost.Title,
Body = blogPost.Body,
PostDate = blogPost.CreatedOn.ToString(DATE_FORMAT),
Slug = blogPost.Slug,
Excerpt = blogPost.Excerpt,
CategoryId = blogPost.CategoryId ?? 1,
Tags = blogPost.TagTitles,
Published = blogPost.Status == EPostStatus.Published,
IsDraft = blogPost.Status == EPostStatus.Draft,
DraftDate = blogPost.UpdatedOn.HasValue ? blogPost.UpdatedOnDisplay : "",
};
return(new JsonResult(postVM));
}
// -------------------------------------------------------------------- public methods
/// <summary>
/// GET to return <see cref="ComposeVM"/> to initialize the page.
/// </summary>
/// <remarks>
/// NOTE: the parameter cannot be named "page".
/// </remarks>
/// <param name="postId">0 for a new post or an existing post id</param>
/// <returns></returns>
public async Task OnGetAsync(int postId)
{
// theme
var coreSettings = await _settingSvc.GetSettingsAsync <CoreSettings>();
Theme = coreSettings.Theme;
// post
PostVM postVM;
if (postId > 0) // existing post
{
var post = await _blogSvc.GetAsync(postId);
postVM = new PostVM
{
Id = post.Id,
Title = post.Title,
Body = post.Body,
PostDate = post.CreatedOn.ToString(DATE_FORMAT),
Slug = post.Slug,
Excerpt = post.Excerpt,
CategoryId = post.CategoryId ?? 1,
Tags = post.TagTitles,
Published = post.Status == EPostStatus.Published,
IsDraft = post.Status == EPostStatus.Draft,
DraftDate = post.UpdatedOn.HasValue ? post.UpdatedOn.Value.ToString(DATE_FORMAT) : "",
};
}
else // new post
{
var date = Util.ConvertTime(DateTimeOffset.UtcNow, coreSettings.TimeZoneId).ToString(DATE_FORMAT);
var blogSettings = await _settingSvc.GetSettingsAsync <BlogSettings>();
postVM = new PostVM
{
Title = "",
Body = "",
PostDate = date,
CategoryId = blogSettings.DefaultCategoryId,
Tags = new List <string>(),
Published = false,
IsDraft = false,
};
}
PostJson = JsonConvert.SerializeObject(postVM);
// cats
var categories = await _catSvc.GetAllAsync();
var allCats = from c in categories
select new CatVM
{
Value = c.Id,
Text = c.Title,
};
CatsJson = JsonConvert.SerializeObject(allCats);
// tags
var tags = await _tagSvc.GetAllAsync();
var allTags = tags.Select(t => t.Title).ToArray();
TagsJson = JsonConvert.SerializeObject(allTags);
}