public bool DeleteArticleRevision(ArticleId articleId, ArticleRevisionDate revisionDate)
{
var articleRevision = this.GetArticleRevision(articleId, revisionDate);
if (articleRevision == null)
{
return(false);
}
this.CurrentSession.Delete(articleRevision);
var article = this.GetArticle(articleId);
if (article.ActiveRevisionId == articleRevision.Id)
{
var latestRevision =
this.CurrentSession.Query <ArticleRevision, ArticleRevisionsIndex>()
.OrderByDescending(x => x.CreatedAt)
.FirstOrDefault();
article.ActiveRevisionId = (latestRevision != null) ? latestRevision.Id : null;
}
this.CurrentSession.SaveChanges();
return(true);
}
public bool PublishArticleRevision(ArticleId articleId, ArticleRevisionDate revisionDate)
{
if (articleId == null)
{
throw new ArgumentNullException("articleId");
}
if (revisionDate == null)
{
throw new ArgumentNullException("revisionDate");
}
var article = this.GetArticle(articleId);
if (article == null)
{
return(false);
}
var articleRevision = this.GetArticleRevision(articleId, revisionDate);
if (articleRevision == null)
{
return(false);
}
articleRevision.LastPublishedAt = DateTime.UtcNow;
article.ActiveRevisionId = articleRevision.Id;
this.CurrentSession.SaveChanges();
return(true);
}
public ArticleRevisionNotFoundException(
ArticleSlug articleSlug,
ArticleRevisionDate articleRevisionDate,
string message = null,
Exception innerException = null)
: this(null, articleSlug, articleRevisionDate, message, innerException)
{
}
public ArticleRevision GetArticleRevision(ArticleId articleId, ArticleRevisionDate revisionDate)
{
string id = (articleId != null) ? articleId.Id : null;
string articleRevisionId = IdUtility.CreateArticleRevisionId(id, revisionDate);
return(this.GetArticleRevision(articleRevisionId));
}
public static string CreateArticleRevisionId(ArticleId articleId, ArticleRevisionDate articleRevisionDate)
{
if (articleId == null)
{
throw new ArgumentNullException("articleId");
}
if (articleRevisionDate == null)
{
throw new ArgumentNullException("articleRevisionDate");
}
return(CreateArticleRevisionId(articleId, articleRevisionDate.DateTime));
}
public ArticleRevisionNotFoundException(
string articleRevisionId,
ArticleSlug articleSlug = null,
ArticleRevisionDate articleRevisionDate = null,
string message = null,
Exception innerException = null)
: base(articleSlug,
HttpStatusCode.NotFound,
message ?? GetDefaultMessage(articleRevisionId, articleSlug, articleRevisionDate),
innerException)
{
this.ArticleRevisionId = articleRevisionId;
this.ArticleRevisionDate = articleRevisionDate;
}
private static string GetDefaultMessage(
string articleRevisionId,
ArticleSlug articleSlug,
ArticleRevisionDate articleRevisionDate)
{
string message = "ArticleRevision not found.";
if (!string.IsNullOrWhiteSpace(articleRevisionId))
{
message += string.Format(" Article Revision ID: '{0}'.", articleRevisionId);
}
if (articleSlug != null && articleSlug.HasValue)
{
message += string.Format(" Article Slug: '{0}'.", articleSlug.Slug);
}
if (articleRevisionDate != null && articleRevisionDate.HasValue)
{
message += string.Format(" Article Revision Date: '{0}'.", articleRevisionDate.DateTimeFormatted);
}
return message;
}
private ArticleRevision TryGetArticleRevision(ArticleSlug articleSlug, ArticleRevisionDate revisionDate)
{
var article = this.GetArticle(articleSlug);
return (article != null) ? this.TryGetArticleRevision(article.Id, revisionDate) : null;
}
private ArticleRevision TryGetArticleRevision(string articleId, ArticleRevisionDate revisionDate)
{
var articleRevisions =
this.CurrentSession.Query<ArticleRevisionsIndex.Result, ArticleRevisionsIndex>()
.Customize(x => x.WaitForNonStaleResultsAsOfLastWrite())
.Where(
x =>
this.CurrentPrincipalAccessLevel >= x.CanReadAccess && x.ArticleId == articleId
&& x.CreatedAt == revisionDate.DateTime)
.OfType<ArticleRevision>();
return articleRevisions.FirstOrDefaultHandled();
}
private ArticleRevision GetArticleRevisionAsserted(ArticleSlug articleSlug, ArticleRevisionDate revisionDate)
{
AssertArticleSlug(articleSlug);
AssertArticleRevisionDate(revisionDate, "revisionDate");
var articleRevision = this.TryGetArticleRevision(articleSlug, revisionDate);
if (articleRevision == null)
{
throw new ArticleRevisionNotFoundException(articleSlug, revisionDate);
}
return articleRevision;
}
private static void AssertArticleRevisionDate(
ArticleRevisionDate articleRevisionDate,
string paramName = "articleRevisionDate")
{
if (articleRevisionDate == null)
{
throw new ArgumentNullException(paramName);
}
if (!articleRevisionDate.HasValue)
{
throw new ArgumentOutOfRangeException(paramName);
}
}
public ArticleRevision PublishArticleRevision(ArticleSlug articleSlug, ArticleRevisionDate revisionDate)
{
AssertArticleSlug(articleSlug);
AssertArticleRevisionDate(revisionDate, "revisionDate");
var article = this.GetArticleAsserted(articleSlug);
var articleRevision = this.GetArticleRevisionAsserted(articleSlug, revisionDate);
if (article.ActiveArticleRevisionId == null)
{
article.ActiveArticleRevisionId = articleRevision.Id;
}
if (article.ActiveArticleRevisionId == articleRevision.Id)
{
return articleRevision;
}
var publishedArticleRevision = articleRevision.Clone();
publishedArticleRevision.Id = null;
publishedArticleRevision.CreatedAt = DateTime.UtcNow;
publishedArticleRevision.CreatedByUserName = this.currentPrincipalIdentityName;
this.CurrentSession.Store(publishedArticleRevision);
article.ActiveArticleRevisionId = publishedArticleRevision.Id;
return publishedArticleRevision;
}
public ArticleRevision GetArticleRevision(string articleId, ArticleRevisionDate revisionDate)
{
return this.TryGetArticleRevision(articleId, revisionDate);
}
public bool DeleteArticleRevision(ArticleSlug articleSlug, ArticleRevisionDate revisionDate)
{
AssertArticleSlug(articleSlug);
AssertArticleRevisionDate(revisionDate, "revisionDate");
var articleRevision = this.TryGetArticleRevision(articleSlug, revisionDate);
if (articleRevision == null)
{
return false;
}
this.CurrentSession.Delete(articleRevision);
var article = this.TryGetArticle(articleSlug);
if (article != null && article.ActiveArticleRevisionId == articleRevision.Id)
{
var latestRevision =
this.CurrentSession.Query<ArticleRevision, ArticleRevisionsIndex>()
.Where(x => x.ArticleId == article.Id && x.Id != articleRevision.Id)
.OrderByDescending(x => x.CreatedAt)
.FirstOrDefaultHandled();
article.ActiveArticleRevisionId = (latestRevision != null) ? latestRevision.Id : null;
}
return true;
}
