public async Task RemoveArticleMetaTags(Guid articleId, params MetaTagRequest[] metaTagRequests)
{
if (metaTagRequests == null || !metaTagRequests.Any())
{
throw new ArgumentNullException(nameof(metaTagRequests));
}
var existingArticle = GetExistingArticle(articleId);
if (existingArticle == null)
{
return;
}
var tagsToDelete = existingArticle.MetaTags
.Where(mt => metaTagRequests.Any(mtr => string.Equals(mtr.Name, mt.Name)))
.ToArray();
foreach (var tagToDelete in tagsToDelete)
{
_context.Delete(tagToDelete);
}
await _context.SaveChanges();
}
private async Task <Article> AttemptCreateNewBlogArticle(ArticleRequest request)
{
var blog = await GetBlogForEntry(request.BlogId);
if (blog == null ||
string.IsNullOrWhiteSpace(request.Author) ||
string.IsNullOrWhiteSpace(request.Title))
{
return(null);
}
var newBlogArticle = new Article()
{
BlogId = blog.Id,
Author = request.Author,
Title = request.Title,
Description = request.Description,
Created = _clock.Now
};
await _context.Add(newBlogArticle);
await _context.SaveChanges();
return(newBlogArticle);
}
public async Task <MetaTag[]> AddArticleMetaTags(Guid articleId, params MetaTagRequest[] metaTagRequests)
{
if (metaTagRequests == null || !metaTagRequests.Any())
{
throw new ArgumentNullException(nameof(metaTagRequests));
}
var existingArticle = GetExistingArticle(articleId);
if (existingArticle == null)
{
return(null);
}
var tagsToCreate = metaTagRequests
.Where(mtr => existingArticle.MetaTags.All(mt => mt.Name != mtr.Name))
.ToArray();
if (!tagsToCreate.Any())
{
return(null);
}
var newMetaTagsForArticle = tagsToCreate.Select(nt => new MetaTag
{
ArticleId = existingArticle.Id,
Article = existingArticle,
Name = nt.Name
}).ToArray();
await _context.Add(newMetaTagsForArticle);
await _context.SaveChanges();
return(newMetaTagsForArticle);
}
public async Task <EntryContent> MarkUploadSuccess(EntryContent entryContent, string uploadUrl)
{
if (entryContent == null)
{
throw new ArgumentNullException(nameof(entryContent));
}
if (string.IsNullOrWhiteSpace(uploadUrl))
{
throw new ArgumentNullException(nameof(uploadUrl));
}
_context.Attach(entryContent);
entryContent.Persisted = _clock.Now;
entryContent.BlobUrl = StringUtilities.ToBase64(uploadUrl);
await _context.SaveChanges();
return(entryContent);
}
public async Task <EntryMedia> MarkUploadedSuccess(EntryMedia articleEntryMedia, string uploadUri)
{
if (articleEntryMedia == null)
{
throw new ArgumentNullException(nameof(articleEntryMedia));
}
if (string.IsNullOrWhiteSpace(uploadUri))
{
throw new ArgumentNullException(nameof(uploadUri));
}
_context.Attach(articleEntryMedia);
articleEntryMedia.BlobUrl = StringUtilities.ToBase64(uploadUri);
articleEntryMedia.Persisted = _clock.Now;
await _context.SaveChanges();
return(articleEntryMedia);
}
public async Task <bool> TryUpdateArticle(Guid articleId, ArticleRequest updatedArticle)
{
if (updatedArticle == null)
{
throw new ArgumentNullException(nameof(updatedArticle));
}
var existingArticle = await _context.Find <Article>(articleId);
if (existingArticle == null)
{
return(false);
}
UpdateValues(existingArticle, updatedArticle);
await _context.SaveChanges();
return(true);
}
public async Task <bool> TryDeleteArticle(Guid articleId)
{
var articleToDelete = await _context.Find <Article>(articleId);
if (articleToDelete == null)
{
return(false);
}
if (articleToDelete.IsDeleted)
{
return(true);
}
articleToDelete.IsDeleted = true;
articleToDelete.Deleted = _clock.Now;
await _context.SaveChanges();
return(true);
}
private async Task UpdateConvertedBlobUrl(EntryContent latestEntry, string storageUrl)
{
latestEntry.ConvertedBlobUrl = StringUtilities.ToBase64(storageUrl);
_context.Attach(latestEntry);
await _context.SaveChanges();
}