public async Task DeletePost([FromService] IDatabaseContext databaseContext, [FromService] IAuthenticationProvider authenticationProvider, [FromValue] string id)
{
var context = databaseContext.GetWrappedContext <IPost>();
var post = await context.GetAsync(id);
if (post == null)
{
throw new DomainServiceException(new KeyNotFoundException(id));
}
var e = new EntityFilterEventArgs <IPost>(post);
await RaiseAsyncEvent(PostDeleteEvent, e);
await post.LoadAsync(t => t.Member);
if (authenticationProvider.GetAuthentication().GetUserId() == post.Member.Index.ToString())
{
context.Remove(post);
}
else
{
post.IsDeleted = true;
context.Update(post);
}
await databaseContext.SaveAsync();
}
public async Task <IPost> CreatePost([FromService] IDatabaseContext databaseContext, [FromService] IAuthenticationProvider authenticationProvider, [FromValue] string id)
{
var converter = TypeDescriptor.GetConverter(EntityDescriptor.GetMetadata <IThread>().KeyType);
var idObj = converter.ConvertFrom(id);
IValueProvider valueProvider = Context.DomainContext.GetRequiredService <IValueProvider>();
IThread thread;
IPost post;
{
var context = databaseContext.GetWrappedContext <IThread>();
thread = await context.Include(t => t.Forum.Board).SingleOrDefaultAsync(t => t.Index == idObj);
if (thread == null)
{
throw new DomainServiceException(new KeyNotFoundException(id));
}
}
{
var context = databaseContext.GetWrappedContext <IPost>();
post = context.Create();
post.Thread = thread;
var e = new EntityFilterEventArgs <IPost>(post);
await RaiseAsyncEvent(PostCreateEvent, e);
}
return(post);
}
public async Task <IPost> EditThread([FromService] IDatabaseContext databaseContext, [FromValue] string id)
{
var converter = TypeDescriptor.GetConverter(EntityDescriptor.GetMetadata <IThread>().KeyType);
var idObj = converter.ConvertFrom(id);
IValueProvider valueProvider = Context.DomainContext.GetRequiredService <IValueProvider>();
IThread thread;
{
var context = databaseContext.GetWrappedContext <IThread>();
thread = await context.Include(t => t.Forum.Board).SingleOrDefaultAsync(t => t.Index == idObj);
if (thread == null)
{
throw new DomainServiceException(new KeyNotFoundException(id));
}
var e = new EntityFilterEventArgs <IThread>(thread);
await RaiseAsyncEvent(ThreadEditEvent, e);
}
{
var context = databaseContext.GetWrappedContext <IPost>();
var posts = await thread.LoadAsync(t => t.Replies);
var post = await posts.OrderBy(t => t.CreateDate).FirstOrDefaultAsync();
if (post == null)
{
throw new InvalidOperationException("回贴不存在。");
}
post.Thread = thread;
return(post);
}
}
public async Task <IThread> CreateThread([FromService] IDatabaseContext databaseContext, [FromValue] string id)
{
var converter = TypeDescriptor.GetConverter(EntityDescriptor.GetMetadata <IForum>().KeyType);
var idObj = converter.ConvertFrom(id);
IValueProvider valueProvider = Context.DomainContext.GetRequiredService <IValueProvider>();
IForum forum;
IThread thread;
{
var context = databaseContext.GetWrappedContext <IForum>();
forum = await context.Query().Include(t => t.Board).SingleOrDefaultAsync(t => t.Index == idObj.Wrap());
if (forum == null)
{
throw new DomainServiceException(new KeyNotFoundException(id));
}
}
{
var context = databaseContext.GetWrappedContext <IThread>();
thread = context.Create();
thread.Forum = forum;
var e = new EntityFilterEventArgs <IThread>(thread);
await RaiseAsyncEvent(ThreadCreateEvent, e);
}
return(thread);
}
public async Task <IPost> UpdatePost([FromService] IDatabaseContext databaseContext, [FromService] IAuthenticationProvider authenticationProvider, [FromValue(false)] string id, [FromValue(false)] string threadId)
{
IValueProvider valueProvider = Context.DomainContext.GetRequiredService <IValueProvider>();
IPost post;
if (string.IsNullOrEmpty(id))
{
IThread thread;
{
var context = databaseContext.GetWrappedContext <IThread>();
thread = await context.GetAsync(threadId);
if (thread == null)
{
throw new DomainServiceException(new KeyNotFoundException(threadId));
}
}
{
var context = databaseContext.GetWrappedContext <IPost>();
post = context.Create();
post.Thread = thread;
post.Member = await authenticationProvider.GetAuthentication().GetUserAsync <IMember>();
post.Content = valueProvider.GetValue <string>("content");
var e = new EntityFilterEventArgs <IPost>(post);
await RaiseAsyncEvent(PostUpdateEvent, e);
context.Add(post);
}
}
else
{
var context = databaseContext.GetWrappedContext <IPost>();
post = await context.GetAsync(id);
if (post == null)
{
throw new DomainServiceException(new KeyNotFoundException(id));
}
post.Content = valueProvider.GetValue <string>("content");
var e = new EntityFilterEventArgs <IPost>(post);
await RaiseAsyncEvent(PostUpdateEvent, e);
context.Update(post);
}
await databaseContext.SaveAsync();
return(post);
}
public async Task <IForum> GetForum([FromService] IDatabaseContext databaseContext, [FromValue] string id)
{
var context = databaseContext.GetWrappedContext <IForum>();
var item = await context.GetAsync(id);
if (item == null)
{
throw new DomainServiceException(new KeyNotFoundException(id));
}
await item.LoadAsync(t => t.Board);
var e = new EntityFilterEventArgs <IForum>(item);
await RaiseAsyncEvent(ForumDetailEvent, e);
return(item);
}
public async Task <IThread> UpdateThread([FromService] IDatabaseContext databaseContext, [FromService] IAuthenticationProvider authenticationProvider, [FromValue(false)] string id, [FromValue(false)] string forumId)
{
IValueProvider valueProvider = Context.DomainContext.GetRequiredService <IValueProvider>();
IThread thread;
{
var context = databaseContext.GetWrappedContext <IThread>();
if (string.IsNullOrEmpty(id))
{
if (string.IsNullOrEmpty(forumId))
{
throw new DomainServiceException(new ArgumentNullException(nameof(forumId)));
}
var forumContext = databaseContext.GetWrappedContext <IForum>();
var forum = await forumContext.GetAsync(forumId);
if (forum == null)
{
throw new DomainServiceException(new KeyNotFoundException(forumId));
}
thread = context.Create();
thread.Forum = forum;
thread.Member = await authenticationProvider.GetAuthentication().GetUserAsync <IMember>();
}
else
{
thread = await context.GetAsync(id);
if (thread == null)
{
throw new DomainServiceException(new KeyNotFoundException(id));
}
}
thread.Title = valueProvider.GetValue <string>("title");
var e = new EntityFilterEventArgs <IThread>(thread);
await RaiseAsyncEvent(ThreadUpdateEvent, e);
if (string.IsNullOrEmpty(id))
{
context.Add(thread);
}
else
{
context.Update(thread);
}
}
{
var context = databaseContext.GetWrappedContext <IPost>();
IPost post;
if (string.IsNullOrEmpty(id))
{
post = context.Create();
post.CreateDate = thread.CreateDate;
post.Thread = thread;
post.Member = thread.Member;
}
else
{
var posts = await thread.LoadAsync(t => t.Replies);
post = await posts.OrderBy(t => t.CreateDate).FirstOrDefaultAsync();
if (post == null)
{
throw new InvalidOperationException("回贴不存在。");
}
}
post.Content = valueProvider.GetRequiredValue <string>("content");
if (string.IsNullOrEmpty(id))
{
context.Add(post);
}
else
{
context.Update(post);
}
}
await databaseContext.SaveAsync();
return(thread);
}
