protected bool FlagsToQuoteFilter(CommandMatch cmd, out QuoteRating requestedRating, out bool addMyRating)
{
int anyCount = cmd.Options.Count(o => o.Key == "--any");
int badCount = cmd.Options.Count(o => o.Key == "--bad");
int addRatingCount = cmd.Options.Count(o => o.Key == "-r");
if (anyCount + badCount == 0)
{
requestedRating = QuoteRating.High;
}
else if (anyCount + badCount > 1)
{
// too many "--any"s and/or "--bad"s
requestedRating = 0;
addMyRating = false;
return(false);
}
else if (anyCount == 1)
{
requestedRating = QuoteRating.Any;
}
else
{
Debug.Assert(badCount == 1);
requestedRating = QuoteRating.Low;
}
if (addRatingCount == 0)
{
addMyRating = false;
}
else if (addRatingCount == 1)
{
addMyRating = true;
}
else
{
// too many "-r"s
requestedRating = 0;
addMyRating = false;
return(false);
}
return(true);
}
/// <summary>
/// Posts a random quote.
/// </summary>
/// <param name="requestor">The nickname of the person who requested this quote.</param>
/// <param name="location">The channel (for channel messages) or nickname (for private messages) in which the
/// request has been placed.</param>
/// <param name="quotes">The Queryable of quotes.</param>
/// <param name="votes">The Queryable of votes.</param>
/// <param name="requestedRating">Whether to display all quotes, quotes rated equal to or above a certain threshold, or quotes rated below this threshold.</param>
/// <param name="addMyRating">If <c>true</c>, shows how the requestor voted on this quote.</param>
/// <param name="postReply">Action to invoke to post a reply.</param>
protected virtual void PostRandomQuote(string requestor, string location, IQueryable <Quote> quotesWithVotes, QuoteRating requestedRating, bool addMyRating, Action <string> postReply)
{
var filteredQuotes = GetFilteredQuotes(quotesWithVotes, requestedRating);
int quoteCount = filteredQuotes.Count();
if (quoteCount > 0)
{
int index = Randomizer.Next(quoteCount);
var quote = filteredQuotes
.OrderBy(q => q.ID)
.Skip(index)
.FirstOrDefault();
PostQuote(quote, requestor, location, addMyRating, postReply);
}
else
{
postReply(string.Format("Sorry, {0}, I don't have any matching quotes.", requestor));
}
}
protected virtual IQueryable <Quote> GetFilteredQuotes(IQueryable <Quote> quotesWithVotes, QuoteRating requestedRating)
{
switch (requestedRating)
{
case QuoteRating.Low:
return(quotesWithVotes.Where(q => (q.Votes.Any() ? q.Votes.Sum(v => v.Points) : 0) < Config.VoteThreshold));
case QuoteRating.Any:
return(quotesWithVotes);
case QuoteRating.High:
return(quotesWithVotes.Where(q => (q.Votes.Any() ? q.Votes.Sum(v => v.Points) : 0) >= Config.VoteThreshold));
default:
throw new ArgumentOutOfRangeException(nameof(requestedRating));
}
}