public async Task <CommandResult <IPost> > Handle(CreateOrUpdatePostRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
var errors = new List <string>();
try
{
bool isNew = false;
var project = await _projectService.GetProjectSettings(request.ProjectId);
var post = request.Post;
ContentHistory history = null;
if (post == null)
{
isNew = true;
post = new Post()
{
BlogId = request.ProjectId,
Title = request.ViewModel.Title,
MetaDescription = request.ViewModel.MetaDescription,
Slug = ContentUtils.CreateSlug(request.ViewModel.Title),
CreatedByUser = request.UserName
};
}
else
{
history = post.CreateHistory(request.UserName);
}
if (!string.IsNullOrEmpty(request.ViewModel.Slug))
{
// remove any bad characters
request.ViewModel.Slug = ContentUtils.CreateSlug(request.ViewModel.Slug);
if (request.ViewModel.Slug != post.Slug)
{
var slugIsAvailable = await _blogService.SlugIsAvailable(request.ViewModel.Slug);
if (!slugIsAvailable)
{
request.ModelState.AddModelError("Slug", _localizer["The page slug was not changed because the requested slug is already in use."]);
}
}
}
if (request.ModelState.IsValid)
{
post.Title = request.ViewModel.Title;
post.CorrelationKey = request.ViewModel.CorrelationKey;
post.ImageUrl = request.ViewModel.ImageUrl;
post.ThumbnailUrl = request.ViewModel.ThumbnailUrl;
post.IsFeatured = request.ViewModel.IsFeatured;
post.ContentType = request.ViewModel.ContentType;
post.TeaserOverride = request.ViewModel.TeaserOverride;
post.SuppressTeaser = request.ViewModel.SuppressTeaser;
post.LastModified = DateTime.UtcNow;
post.LastModifiedByUser = request.UserName;
if (!string.IsNullOrEmpty(request.ViewModel.Slug))
{
post.Slug = request.ViewModel.Slug;
}
var categories = new List <string>();
if (!string.IsNullOrEmpty(request.ViewModel.Categories))
{
if (_editOptions.ForceLowerCaseCategories)
{
categories = request.ViewModel.Categories.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim().ToLower())
.Where(x =>
!string.IsNullOrWhiteSpace(x) &&
x != ","
)
.Distinct()
.ToList();
}
else
{
categories = request.ViewModel.Categories.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim())
.Where(x =>
!string.IsNullOrWhiteSpace(x) &&
x != ","
)
.Distinct()
.ToList();
}
}
post.Categories = categories;
var shouldFirePublishEvent = false;
switch (request.ViewModel.SaveMode)
{
case SaveMode.SaveDraft:
post.DraftContent = request.ViewModel.Content;
post.DraftAuthor = request.ViewModel.Author;
break;
case SaveMode.PublishLater:
post.DraftContent = request.ViewModel.Content;
post.DraftAuthor = request.ViewModel.Author;
if (request.ViewModel.NewPubDate.HasValue)
{
var tzId = await _timeZoneIdResolver.GetUserTimeZoneId(CancellationToken.None);
post.DraftPubDate = _timeZoneHelper.ConvertToUtc(request.ViewModel.NewPubDate.Value, tzId);
}
if (!post.PubDate.HasValue)
{
post.IsPublished = false;
}
break;
case SaveMode.PublishNow:
post.Content = request.ViewModel.Content;
post.Author = request.ViewModel.Author;
if (!post.PubDate.HasValue)
{
post.PubDate = DateTime.UtcNow;
}
else if (post.PubDate > DateTime.UtcNow)
{
post.PubDate = DateTime.UtcNow;
}
post.IsPublished = true;
shouldFirePublishEvent = true;
post.DraftAuthor = null;
post.DraftContent = null;
post.DraftPubDate = null;
break;
}
if (project.TeaserMode != TeaserMode.Off)
{
// need to generate the teaser on save
string html = null;
if (post.ContentType == "markdown")
{
var mdPipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().Build();
html = Markdown.ToHtml(post.Content, mdPipeline);
}
else
{
html = post.Content;
}
var teaserResult = _teaserService.GenerateTeaser(
project.TeaserTruncationMode,
project.TeaserTruncationLength,
html,
Guid.NewGuid().ToString(),//cache key
post.Slug,
project.LanguageCode,
false //logWarnings
);
post.AutoTeaser = teaserResult.Content;
}
if (history != null)
{
await _historyCommands.Create(request.ProjectId, history).ConfigureAwait(false);
}
if (isNew)
{
await _blogService.Create(post);
}
else
{
await _blogService.Update(post);
}
if (shouldFirePublishEvent)
{
await _blogService.FirePublishEvent(post);
await _historyCommands.DeleteDraftHistory(request.ProjectId, post.Id).ConfigureAwait(false);
}
}
return(new CommandResult <IPost>(post, request.ModelState.IsValid, errors));
}
catch (Exception ex)
{
_log.LogError($"{ex.Message}:{ex.StackTrace}");
errors.Add(_localizer["Updating a page failed. An error has been logged."]);
return(new CommandResult <IPost>(null, false, errors));
}
}
private ContentFilterResult FilterHtmlForList(IPost post, IProjectSettings settings, bool useTeaser)
{
var result = new ContentFilterResult();
if (useTeaser)
{
TeaserResult teaserResult = null;
string teaser = null;
if (!string.IsNullOrWhiteSpace(post.TeaserOverride))
{
if (post.ContentType == "markdown")
{
teaser = MapImageUrlsToCdn(
ConvertMarkdownToHtml(post.TeaserOverride),
settings.CdnUrl,
settings.LocalMediaVirtualPath);
}
else
{
teaser = MapImageUrlsToCdn(
post.TeaserOverride,
settings.CdnUrl,
settings.LocalMediaVirtualPath);
}
result.FilteredContent = teaser;
result.IsFullContent = false;
}
else if (!string.IsNullOrWhiteSpace(post.AutoTeaser)) // as of 2018-08-20 this gets populated on save
{
teaser = MapImageUrlsToCdn(
post.AutoTeaser,
settings.CdnUrl,
settings.LocalMediaVirtualPath);
result.FilteredContent = teaser;
result.IsFullContent = false;
}
else
{
// need to generate teaser
if (post.ContentType == "markdown")
{
var html = MapImageUrlsToCdn(
ConvertMarkdownToHtml(post.CoalesceContentToDraftContent()),
settings.CdnUrl,
settings.LocalMediaVirtualPath);
teaserResult = _teaserService.GenerateTeaser(
settings.TeaserTruncationMode,
settings.TeaserTruncationLength,
html,
post.Id,
post.Slug,
settings.LanguageCode
);
}
else
{
var html = MapImageUrlsToCdn(
post.CoalesceContentToDraftContent(),
settings.CdnUrl,
settings.LocalMediaVirtualPath);
teaserResult = _teaserService.GenerateTeaser(
settings.TeaserTruncationMode,
settings.TeaserTruncationLength,
html,
post.Id,
post.Slug,
settings.LanguageCode
);
}
result.FilteredContent = teaserResult.Content;
result.IsFullContent = !teaserResult.DidTruncate;
}
}
else
{
// using full content
if (post.ContentType == "markdown")
{
result.FilteredContent = MapImageUrlsToCdn(
ConvertMarkdownToHtml(post.CoalesceContentToDraftContent()),
settings.CdnUrl,
settings.LocalMediaVirtualPath);
}
else
{
result.FilteredContent = MapImageUrlsToCdn(
post.CoalesceContentToDraftContent(),
settings.CdnUrl,
settings.LocalMediaVirtualPath);
}
result.IsFullContent = true;
}
return(result);
}
public async Task <CommandResult <IPost> > Handle(UpdateTemplatedPostRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
var errors = new List <string>();
var customModelIsValid = true;
try
{
var post = request.Post;
var history = post.CreateHistory(request.UserName);
var project = await _projectService.GetCurrentProjectSettings();
var serializer = GetSerializer(request.Template.SerializerName);
var parser = GetFormParser(request.Template.FormParserName);
var validator = GetValidator(request.Template.ValidatorName);
var type = Type.GetType(request.Template.ModelType);
var model = parser.ParseModel(request.Template.ModelType, request.Form);
if (model == null)
{
errors.Add(_localizer["Failed to parse custom template model from form."]);
customModelIsValid = false;
//failed to parse model from form
// at least return the original model before changes
string pageModelString;
if (!string.IsNullOrWhiteSpace(post.DraftSerializedModel))
{
pageModelString = post.DraftSerializedModel;
}
else
{
pageModelString = post.SerializedModel;
}
if (!string.IsNullOrWhiteSpace(pageModelString))
{
request.ViewModel.TemplateModel = serializer.Deserialize(request.Template.ModelType, pageModelString);
}
}
if (customModelIsValid)
{
// we are going to return the parsed model either way
request.ViewModel.TemplateModel = model;
var validationContext = new ValidationContext(model, serviceProvider: null, items: null);
var validationResults = new List <ValidationResult>();
customModelIsValid = validator.IsValid(model, validationContext, validationResults);
if (!customModelIsValid)
{
foreach (var item in validationResults)
{
foreach (var memberName in item.MemberNames)
{
request.ModelState.AddModelError(memberName, item.ErrorMessage);
}
}
}
}
if (!string.IsNullOrEmpty(request.ViewModel.Slug))
{
// remove any bad characters
request.ViewModel.Slug = ContentUtils.CreateSlug(request.ViewModel.Slug);
if (request.ViewModel.Slug != post.Slug)
{
var slug = request.ViewModel.Slug;
var slugIsAvailable = await _blogService.SlugIsAvailable(slug);
while (!slugIsAvailable)
{
slug += "-";
slugIsAvailable = await _blogService.SlugIsAvailable(slug);
}
if (slugIsAvailable)
{
post.Slug = slug;
}
}
}
if (request.ModelState.IsValid)
{
var modelString = serializer.Serialize(request.Template.ModelType, model);
var renderedModel = await _viewRenderer.RenderViewAsString(request.Template.RenderView, model).ConfigureAwait(false);
post.Title = request.ViewModel.Title;
post.CorrelationKey = request.ViewModel.CorrelationKey;
post.ImageUrl = request.ViewModel.ImageUrl;
post.ThumbnailUrl = request.ViewModel.ThumbnailUrl;
post.IsFeatured = request.ViewModel.IsFeatured;
post.TeaserOverride = request.ViewModel.TeaserOverride;
post.SuppressTeaser = request.ViewModel.SuppressTeaser;
post.ShowComments = request.ViewModel.ShowComments;
post.LastModified = DateTime.UtcNow;
post.LastModifiedByUser = request.UserName;
post.MetaDescription = request.ViewModel.MetaDescription;
var categories = new List <string>();
if (!string.IsNullOrEmpty(request.ViewModel.Categories))
{
if (_editOptions.ForceLowerCaseCategories)
{
categories = request.ViewModel.Categories.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim().ToLower())
.Where(x =>
!string.IsNullOrWhiteSpace(x) &&
x != ","
)
.Distinct()
.ToList();
}
else
{
categories = request.ViewModel.Categories.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(x => x.Trim())
.Where(x =>
!string.IsNullOrWhiteSpace(x) &&
x != ","
)
.Distinct()
.ToList();
}
}
post.Categories = categories;
var tzId = await _timeZoneIdResolver.GetUserTimeZoneId(CancellationToken.None);
var shouldFirePublishEvent = false;
var saveMode = request.ViewModel.SaveMode;
if (saveMode == SaveMode.PublishLater)
{
if (request.ViewModel.NewPubDate.HasValue)
{
var newPubDate = _timeZoneHelper.ConvertToUtc(request.ViewModel.NewPubDate.Value, tzId);
if (newPubDate < DateTime.UtcNow)
{
saveMode = SaveMode.PublishNow;
post.PubDate = newPubDate;
}
}
}
switch (saveMode)
{
case SaveMode.SaveDraft:
post.DraftSerializedModel = modelString;
post.DraftContent = renderedModel;
post.DraftAuthor = request.ViewModel.Author;
if (!post.PubDate.HasValue)
{
post.IsPublished = false;
}
break;
case SaveMode.PublishLater:
post.DraftSerializedModel = modelString;
post.DraftContent = renderedModel;
post.DraftAuthor = request.ViewModel.Author;
if (request.ViewModel.NewPubDate.HasValue)
{
post.DraftPubDate = _timeZoneHelper.ConvertToUtc(request.ViewModel.NewPubDate.Value, tzId);
}
if (!post.PubDate.HasValue)
{
post.IsPublished = false;
}
break;
case SaveMode.PublishNow:
post.Author = request.ViewModel.Author;
post.Content = renderedModel;
post.SerializedModel = modelString;
if (!post.PubDate.HasValue)
{
post.PubDate = DateTime.UtcNow;
}
post.IsPublished = true;
shouldFirePublishEvent = true;
post.DraftAuthor = null;
post.DraftContent = null;
post.DraftPubDate = null;
post.DraftSerializedModel = null;
break;
}
if (project.TeaserMode != TeaserMode.Off)
{
// need to generate the teaser on save
var teaserResult = _teaserService.GenerateTeaser(
project.TeaserTruncationMode,
project.TeaserTruncationLength,
post.Content,
Guid.NewGuid().ToString(),//cache key
post.Slug,
project.LanguageCode,
false //logWarnings
);
post.AutoTeaser = teaserResult.Content;
}
await _historyCommands.Create(request.ProjectId, history).ConfigureAwait(false);
await _blogService.Update(post);
if (shouldFirePublishEvent)
{
await _blogService.FirePublishEvent(post).ConfigureAwait(false);
await _historyCommands.DeleteDraftHistory(project.Id, post.Id).ConfigureAwait(false);
}
}
return(new CommandResult <IPost>(post, customModelIsValid && request.ModelState.IsValid, errors));
}
catch (Exception ex)
{
_log.LogError($"{ex.Message}:{ex.StackTrace}");
errors.Add(_localizer["Updating a post from a content template failed. An error has been logged."]);
return(new CommandResult <IPost>(null, false, errors));
}
}