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bantflags/BantFlags/Data/PostModel.cs

50 lines
1.7 KiB

using System;
using System.Collections.Generic;
using System.Linq;
namespace BantFlags.Data
{
public class PostModel
{
public int PostNumber { get; private set; }
public string Board { get; private set; }
public string[] Flags { get; private set; }
private PostModel(int post_nr, string board, string[] flags)
{
PostNumber = post_nr;
Board = board;
Flags = flags;
}
public static Result<PostModel> Create(string post_nr, string board, string regions, string splitFlag, HashSet<string> knownFlags)
{
string[] empty = { "empty, or there were errors. Re-set your flags." };
string[] boards = { "bant", "nap", "srsbsn" }; // TODO: Move this to appsettings and make a singleton for it.
if (!int.TryParse(post_nr, out int postNumber))
return Result<PostModel>.Fail("Invalid post number.");
if (!boards.Contains(board))
return Result<PostModel>.Fail("Invalid board parameter.");
if (regions == null)
return Result<PostModel>.Pass(new PostModel(postNumber, board, empty));
var flags = regions.Split(splitFlag);
if (flags.Count() > 30)
return Result<PostModel>.Fail("Too many flags.");
foreach (string flag in flags)
{
if (!knownFlags.Contains(flag)) // Not ideal but it's better than doing it in the controller or passing the database here.
return Result<PostModel>.Pass(new PostModel(postNumber, board, empty));
}
return Result<PostModel>.Pass(new PostModel(postNumber, board, flags));
}
}
}