public static ControlHistory ControlLetter(string board_id, string discussion_id, string letter_id, string delta_flags)
{
string partition_key = SandId.CombineId(board_id, discussion_id);
// todo: select only needed properties.
TableResult result = Warehouse.DiscussionLoadTable.Execute(TableOperation.Retrieve(partition_key, letter_id));
DynamicTableEntity entity = (DynamicTableEntity)result.Result;
// permanent deleting twice is not blocked.
GroupStore.CheckControlRight(board_id, discussion_id, letter_id, ref delta_flags, entity);
int ec = RevisionStore.IncreaseEditCount(entity);
RevisionStore.CreateRevision(entity, board_id, discussion_id, letter_id, ec);
int prev_report_cnt = SandFlags.GetNumber(entity.GetFlags(), SandFlags.MT_REPORT);
LetterConverter.ModifyLetterFlags(entity, null, delta_flags);
int new_report_cnt = SandFlags.GetNumber(entity.GetFlags(), SandFlags.MT_REPORT);
Warehouse.DiscussionLoadTable.Execute(TableOperation.Replace(entity)); // Throws StorageException ((412) Precondition Failed) if the entity is modified in between.
Warehouse.DiscussionLoadPond.Notify(board_id, discussion_id);
Warehouse.DiscussionSummaryPond.Notify(board_id, discussion_id);
HttpResponse.RemoveOutputCacheItem("/discussionload/" + board_id + "/" + discussion_id);
return(new ControlHistory {
ReportCount = new_report_cnt - prev_report_cnt
});
}
public static void EditLetter(string board_id, string discussion_id, string letter_id, string editor, string words,
string delta_flags, HttpFileCollectionBase files)
{
string partition_key = SandId.CombineId(board_id, discussion_id);
TableResult result = Warehouse.DiscussionLoadTable.Execute(TableOperation.Retrieve(partition_key, letter_id));
DynamicTableEntity entity = (DynamicTableEntity)result.Result;
GroupStore.CheckEditRight(board_id, discussion_id, entity);
HashSet <string> files_set = new HashSet <string>();
words = processUploadFiles(words, files, files_set);
words = processWords(words);
claimFiles(words, SandId.CombineId(board_id, discussion_id, letter_id), files_set);
// if (entity != null) // let it throw null reference exception.
int ec = RevisionStore.IncreaseEditCount(entity);
RevisionStore.CreateRevision(entity, board_id, discussion_id, letter_id, ec);
LetterConverter.EditLetterEntity(entity, editor, words, delta_flags, board_id, discussion_id);
Warehouse.DiscussionLoadTable.Execute(TableOperation.Replace(entity)); // Throws StorageException ((412) Precondition Failed) if the entity is modified in between.
Warehouse.DiscussionLoadPond.Notify(board_id, discussion_id);
Warehouse.DiscussionSummaryPond.Notify(board_id, discussion_id);
HttpResponse.RemoveOutputCacheItem("/discussionload/" + board_id + "/" + discussion_id);
}
