/// <summary>
/// <para>Preconditions: The associated <see cref="DiscordInterfacer"/> is in a Connected state</para>
/// </summary>
public async Task Execute(TagCommandParameters Command)
{
Log.Application_.LogVerbose(
"Processing Tag command for {2} '{0}', Tagged to Taglist '{1}'",
Command.ItemID, Command.TaglistName,
Command.isItemAlbum ? "Album" : "Image"
);
Task <GalleryItem> TaggedItemTask;
if (!Command.isItemAlbum)
{
TaggedItemTask = Imgur.ReadGalleryImage(Command.ItemID);
}
else
{
TaggedItemTask = Imgur.ReadGalleryAlbum(Command.ItemID);
}
Task <Taglist> LoadTaglistTask = RepositoryTaglists.Load(Command.TaglistName);
Taglist SpecifiedTaglist;
try{
SpecifiedTaglist = await LoadTaglistTask;
//Any exceptions from TaggedItemTask will go unobserved if an exception is thrown in this try block
}catch (EntityNotFoundException) {
Log.Application_.LogWarning(
"The Taglist named '{0}' does not exist, which was specified by a Tag command on the Imgur Gallery Item with ID '{1}' (Comment ID {2:D})",
Command.TaglistName, Command.ItemID, Command.HostCommentID
);
return;
}catch (DataAccessException Error) {
Log.Application_.LogError(
"Error loading Taglist '{1}' while processing Tag command on the Imgur Gallery Item with ID '{0}'; processing of command aborted: {2}",
Command.ItemID, Command.TaglistName, Error.Message
);
return;
}
GalleryItem TaggedItem;
try{
TaggedItem = await TaggedItemTask;
//Any exceptions from MentionUsersTask will go unobserved if an exception is thrown in this try block
}catch (ImgurException Error) {
Log.Application_.LogError("Error acquiring details for Tagged Imgur Gallery Item with ID '{0}'; unable to process Tag command for that item: {1}", Command.ItemID, Error.Message);
return;
}
await Task.WhenAll(
//Long-running operation, due to delay needed between Imgur Comments
MentionInterestedUsers(Command, SpecifiedTaglist),
ArchiveTaggedItem(Command, TaggedItem, SpecifiedTaglist)
);
Log.Application_.LogVerbose(
"Completed processing of Tag command for {2} '{0}' to Taglist '{1}'",
Command.ItemID, Command.TaglistName,
Command.isItemAlbum ? "Album" : "Image"
);
await Imgur.LogRemainingBandwidth(TraceEventType.Verbose);
}
protected async Task ArchiveTaggedItem(TagCommandParameters Command, GalleryItem ToArchive, Taglist SpecifiedTaglist)
{
Log.Application_.LogVerbose("Archiving item '{0}' to relevant Archive Channel for Taglist '{1}'", ToArchive.ID, SpecifiedTaglist.Name);
try{
await Discord.PostGalleryItemDetails(
SpecifiedTaglist.ArchiveChannelIDForRating(Command.Rating),
ToArchive
);
}catch (DiscordException Error) {
Log.Application_.LogError(
"Error archiving Imgur Gallery Item with ID '{0}' to the relevant Archive channel for Taglist '{1}': {2}",
ToArchive.ID, SpecifiedTaglist.Name, Error.Message
);
}
}
protected async Task MentionInterestedUsers(TagCommandParameters Command, Taglist SpecifiedTaglist)
{
ISet <TaglistRegisteredUser> InterestedUsers = SpecifiedTaglist.FilterByUsersInterestedIn(Command.Rating, Command.Categories);
Log.Application_.LogVerbose("Mentioning {0} total users in response to Tag command for item '{1}'", InterestedUsers.Count, Command.ItemID);
ISet <string> InterestedUsernames = (
from U in InterestedUsers
select U.Username
).ToHashSet();
try{
await Imgur.MentionUsers(Command.ItemID, Command.HostCommentID, InterestedUsernames);
}catch (ImgurException Error) {
Log.Application_.LogError(
"Error Mentioning users in Taglist '{1}' in response to the Tag command on the Imgur Gallery Item with ID '{0}'; users may have been partially Mentioned, consider re-Tagging the Gallery Item: {2}",
Command.ItemID, Command.TaglistName, Error.Message
);
return;
}
}
Task ImgurCommandHandler.ProcessTagCommand(TagCommandParameters CommandParameter)
{
return(CommandHandler_Tag.Execute(CommandParameter));
}
