/// <summary>
/// Partition a vote by line, but carry any task on parent lines down
/// to child lines.
/// </summary>
/// <param name="lines">The lines of the vote.</param>
/// <param name="author">The author of the vote, for use in determining
/// valid referrals.</param>
/// <returns>Returns a list of partitioned vote lines.</returns>
private List <string> PartitionByLineTask(IEnumerable <string> lines, string author)
{
List <string> partitions = new List <string>();
List <string> referralVotes = new List <string>();
string parentTask = string.Empty;
foreach (string line in lines)
{
// If someone copy/pasted a vote with a referral at the top (eg: self-named plan),
// skip the copy/pasted section.
if (referralVotes.Any())
{
if (Agnostic.StringComparer.Equals(line, referralVotes.First()))
{
referralVotes = referralVotes.Skip(1).ToList();
continue;
}
referralVotes.Clear();
}
referralVotes = VoteCounter.GetVotesFromReference(line, author);
if (referralVotes.Any())
{
partitions.AddRange(referralVotes);
if (Agnostic.StringComparer.Equals(line, referralVotes.First()))
{
referralVotes = referralVotes.Skip(1).ToList();
continue;
}
}
else
{
string taskedLine = line;
if (string.IsNullOrEmpty(VoteString.GetVotePrefix(line)))
{
parentTask = VoteString.GetVoteTask(line);
}
else if (string.IsNullOrEmpty(VoteString.GetVoteTask(line)))
{
taskedLine = VoteString.ModifyVoteLine(line, task: parentTask);
}
partitions.Add(taskedLine + "\r\n");
}
}
return(partitions);
}
/// <summary>
/// If all sub-lines of a provided group of lines are indented (have a prefix),
/// then 'promote' them up a tier (remove one level of the prefix) while discarding
/// the initial line.
/// </summary>
/// <param name="lines">A list of strings to examine/promote.</param>
/// <returns>Returns the strings without the initial line, and with the
/// remaining lines reduced by one indent level.</returns>
private static IEnumerable <string> PromoteLines(IEnumerable <string> lines)
{
if (lines == null)
{
throw new ArgumentNullException(nameof(lines));
}
var remainder = lines.Skip(1);
if (remainder.All(l => VoteString.GetVotePrefix(l).Length > 0))
{
return(remainder.Select(l => l.Substring(1).Trim()));
}
return(remainder);
}
/// <summary>
/// Gets a list of all full-vote plans (of which there will only be one, if found).
/// </summary>
/// <param name="post">The post to extract plans from.</param>
/// <returns>Returns a list of plans (which are lists of vote lines).</returns>
private List <List <string> > GetAllFullPostPlans(PostComponents post)
{
List <List <string> > results = new List <List <string> >();
if (post.VoteLines.Any())
{
// Group blocks based on parent vote lines (no prefix).
// Key for each block is the parent vote line.
var voteBlocks = post.VoteLines.GroupAdjacentToPreviousKey(
(s) => string.IsNullOrEmpty(VoteString.GetVotePrefix(s)),
(s) => s,
(s) => s);
// If the vote has any plans with content in them, we can't make this a full-post plan.
if (!voteBlocks.Any(b => b.Count() > 1 && VoteString.GetPlanName(b.Key) != null))
{
// The post must have more than one line to count for a plan label.
if (post.VoteLines.Count > 1)
{
var firstLine = post.VoteLines.First();
string planname = VoteString.GetPlanName(firstLine);
if (planname != null)
{
// If it's named after a user, it must be the post author. Otherwise, anything is fine.
if (VoteCounter.ReferenceVoters.Contains(planname, Agnostic.StringComparer))
{
if (Agnostic.StringComparer.Equals(planname, post.Author))
{
results.Add(post.VoteLines);
}
}
else
{
results.Add(post.VoteLines);
}
}
}
}
}
return(results);
}
/// <summary>
/// Gets a list of all plans within the post that have defined content (child lines).
/// </summary>
/// <param name="post">The post to extract plans from.</param>
/// <returns>Returns a list of plans (which are lists of vote lines).</returns>
private List <List <string> > GetAllPlansWithContent(PostComponents post)
{
List <List <string> > results = new List <List <string> >();
results.AddRange(post.BasePlans.Select(a => a.ToList()));
if (post.VoteLines.Any())
{
// Group blocks based on parent vote lines (no prefix).
// Key for each block is the parent vote line.
var voteBlocks = post.VoteLines.GroupAdjacentToPreviousKey(
(s) => string.IsNullOrEmpty(VoteString.GetVotePrefix(s)),
(s) => s,
(s) => s);
foreach (var block in voteBlocks)
{
if (block.Count() > 1)
{
string planname = VoteString.GetPlanName(block.Key);
if (planname != null)
{
// Add a named vote that is named after a user only if it matches the post author's name.
if (VoteCounter.ReferenceVoters.Contains(planname, Agnostic.StringComparer))
{
if (Agnostic.StringComparer.Equals(planname, post.Author))
{
results.Add(block.ToList());
}
}
else
{
// If it's not named after a user, add it normally.
results.Add(block.ToList());
}
}
}
}
}
return(results);
}
/// <summary>
/// Gets a list of all full-vote plans (of which there will only be one, if found).
/// </summary>
/// <param name="post">The post to extract plans from.</param>
/// <returns>Returns a list of plans (which are lists of vote lines).</returns>
private List <List <string> > GetAllOneLinePlans(PostComponents post)
{
List <List <string> > results = new List <List <string> >();
if (post.VoteLines.Any())
{
// Group blocks based on parent vote lines (no prefix).
// Key for each block is the parent vote line.
var voteBlocks = post.VoteLines.GroupAdjacentToPreviousKey(
(s) => string.IsNullOrEmpty(VoteString.GetVotePrefix(s)),
(s) => s,
(s) => s);
foreach (var block in voteBlocks)
{
if (block.Count() == 1)
{
string planname = VoteString.GetPlanName(block.Key);
if (planname != null)
{
if (VoteCounter.ReferenceVoters.Contains(planname, Agnostic.StringComparer))
{
if (Agnostic.StringComparer.Equals(planname, post.Author))
{
results.Add(block.ToList());
}
}
else
{
results.Add(block.ToList());
}
}
}
}
}
return(results);
}
/// <summary>
/// Get the lines of the vote that we will be processing out of the post.
/// Only take the .VoteLines, and condense any instances of known plans
/// to just a reference to the plan name.
/// </summary>
/// <param name="post">The post we're getting the vote from.</param>
/// <returns>Returns the vote with plans compressed.</returns>
public List <string> GetWorkingVote(PostComponents post)
{
List <string> vote = new List <string>();
if (post == null || !post.IsVote)
{
return(vote);
}
// First determine if any base plans are copies of an original definition, or being defined in this post.
// If they're just copies, then embed them in the working vote.
if (post.BasePlans.Any())
{
var voters = VoteCounter.GetVotersCollection(VoteType.Plan);
bool checkPlan = true;
string planName;
foreach (var bPlan in post.BasePlans)
{
planName = VoteString.GetMarkedPlanName(bPlan.Key);
if (planName == null)
{
continue;
}
// As long as we keep finding base plans that are defined in this post, keep skipping.
if (checkPlan)
{
if (VoteCounter.HasPlan(planName) && voters[planName] == post.ID)
{
continue;
}
}
checkPlan = false;
// If we reach here, any further plans are copy/pastes of defined plans, and should
// have the key added to the working vote.
vote.Add(bPlan.Key);
}
}
// Then make sure there are actual vote lines to process.
if (!post.VoteLines.Any())
{
return(vote);
}
// Then check if the *entire post* should be treated as a complete plan.
string postPlanName = VoteString.GetPlanName(post.VoteLines.First());
if (postPlanName != null && VoteCounter.ReferencePlans.ContainsKey(postPlanName) &&
VoteCounter.ReferencePlans[postPlanName].Skip(1).SequenceEqual(post.VoteLines.Skip(1), Agnostic.StringComparer))
{
// Replace known plans with just the plan key. They'll be expanded later.
vote.Add(post.VoteLines.First());
}
else
{
// If the entire post isn't an auto-plan, break it down into blocks.
// Break the remainder of the vote into blocks so that we can compare vs auto-plans.
// Group blocks based on parent vote lines (no prefix).
// Key for each block is the parent vote line.
var voteBlocks = post.VoteLines.GroupAdjacentToPreviousKey(
(s) => string.IsNullOrEmpty(VoteString.GetVotePrefix(s)),
(s) => s,
(s) => s);
foreach (var block in voteBlocks)
{
// Multi-line blocks might be a plan. Check.
if (block.Count() > 1)
{
// See if the block key marks a known plan.
string planName = VoteString.GetPlanName(block.Key);
if (planName != null && VoteCounter.ReferencePlans.ContainsKey(planName) &&
VoteCounter.ReferencePlans[planName].Skip(1).SequenceEqual(block.Skip(1), Agnostic.StringComparer))
{
// Replace known plans with just the plan key. They'll be expanded later.
vote.Add(block.Key);
}
else
{
// If it's not a known plan, pass everything through.
vote.AddRange(block);
}
}
else
{
// Single lines can be added normally
vote.AddRange(block);
//vote.Add(block.Key);
}
}
}
return(vote);
}
/// <summary>
/// Partition the provided vote into individual partitions, by block.
/// Referral votes are added as their own partitioned form.
/// </summary>
/// <param name="lines">The lines of a vote.</param>
/// <param name="author">The author of the post.</param>
/// <returns>Returns a the vote partitioned by block.</returns>
private List <string> PartitionByBlock(IEnumerable <string> lines, string author)
{
List <string> partitions = new List <string>();
List <string> referralVotes = new List <string>();
StringBuilder sb = new StringBuilder();
foreach (string line in lines)
{
// If someone copy/pasted a vote with a referral at the top (eg: self-named plan),
// skip the copy/pasted section.
if (referralVotes.Any())
{
if (Agnostic.StringComparer.Equals(line, referralVotes.First()))
{
referralVotes = referralVotes.Skip(1).ToList();
continue;
}
referralVotes.Clear();
}
referralVotes = VoteCounter.GetVotesFromReference(line, author);
if (referralVotes.Any())
{
if (sb.Length > 0)
{
partitions.Add(sb.ToString());
sb.Clear();
}
partitions.AddRange(referralVotes);
referralVotes = referralVotes.SelectMany(a => a.GetStringLines()).ToList();
if (Agnostic.StringComparer.Equals(line, referralVotes.First()))
{
referralVotes = referralVotes.Skip(1).ToList();
continue;
}
}
else
{
string prefix = VoteString.GetVotePrefix(line);
// If we encountered a new top-level vote line, store any existing stringbuilder contents.
if (string.IsNullOrEmpty(prefix) && sb.Length > 0)
{
partitions.Add(sb.ToString());
sb.Clear();
}
sb.AppendLine(line);
}
}
if (sb.Length > 0)
{
partitions.Add(sb.ToString());
}
return(partitions);
}