public static async Task <HttpStatusCode> AddCommentAsync <T>(
ApplicationDbContext dbContext,
string userId,
CommentItemIds ids,
Expression <Func <T, CommentThread> > commentThreadProperty,
T commentTargetEntity,
CommentRequest comment)
{
using (var transaction = dbContext.Database.BeginTransaction())
{
bool succeeded = false;
try
{
var text = await TextOperations.CreateTextAsync(
dbContext, comment.Message);
dbContext.UserTexts.Add(text);
var commentThreadPropInfo = (PropertyInfo)((MemberExpression)commentThreadProperty.Body).Member;
CommentThread commentThread = commentThreadPropInfo.GetValue(commentTargetEntity) as CommentThread;
if (commentThread == null)
{
commentThread = new CommentThread
{
Comments = new List <Comment>()
};
dbContext.CommentThreads.Add(commentThread);
commentThreadPropInfo.SetValue(commentTargetEntity, commentThread);
}
var commentEntity = new Comment
{
Text = text,
Thread = commentThread,
UserId = userId
};
dbContext.Comments.Add(commentEntity);
commentThread.Comments.Add(commentEntity);
await dbContext.SaveChangesAsync();
transaction.Commit();
succeeded = true;
await UserOperations.NotifyMentionsAsync(
dbContext, "Comment", userId, text);
await SearchOperations.IndexCommentAsync(commentEntity, ids);
return(HttpStatusCode.OK);
}
finally
{
if (!succeeded)
{
transaction.Rollback();
}
}
}
}
public static Task IndexCommentAsync(
Comment comment,
CommentItemIds ids)
{
return(IndexItemAsync(
new MessageIndexEntry
{
ItemId = "comment-" + comment.CommentId,
Content = comment.Text.Content,
TimelineEntryId = ids.TimelineEntryId,
MediaAlbumId = ids.AlbumId,
UserMediaId = ids.MediaId,
CommentThreadId = comment.CommentThreadId
}));
}
public static Task IndexCommentAsync(
Comment comment,
CommentItemIds ids)
{
return IndexItemAsync(
new MessageIndexEntry
{
ItemId = "comment-" + comment.CommentId,
Content = comment.Text.Content,
TimelineEntryId = ids.TimelineEntryId,
MediaAlbumId = ids.AlbumId,
UserMediaId = ids.MediaId,
CommentThreadId = comment.CommentThreadId
});
}
