bulletboards/ImageBoardServerApp/Util/TheManager.cs
limited_dev 56e144e8ab feat: added getmd5hash func into TheManager
Signed-off-by: limited_dev <loginakkisativ@gmail.com>
2023-06-08 23:31:17 +02:00

108 lines
No EOL
2.8 KiB
C#

using System.Security.Cryptography;
using ImageBoardServerApp.Data;
using ImageBoardServerApp.Data.Repository;
namespace ImageBoardServerApp.Util;
public class TheManager
{
private static long getDiff(PostData post)
{
return (DateTimeOffset.Now.ToUnixTimeMilliseconds() - post.CreatedAt);
}
/// <summary>
/// Returns the value without a minus, if it exists
/// </summary>
/// <param name="num"></param>
/// <returns></returns>
private static long getValue(long num)
{
return num < 0 ? num * -1 : num;
}
public static long getBumpValue(PostData post)
{
return (post.IsSticky ? 999999999999999999 + getDiff(post) : 10 * 60000 - getDiff(post) + ( 60000 * (post.Comments.Count + 1))) ;
}
public static async Task<List<PostData>> getPostList(string boardTag)
{
List<PostData> threads = await PostsRepository.getPostsByBoardAsync(boardTag);
return threads.OrderBy(getBumpValue).Reverse().ToList();
}
public static async Task bumpThreads(BoardData board)
{
List<PostData> sortedThreads = await getPostList(board.Tag);
if (sortedThreads.Count > board.maxThreads + 1)
{
for (int i = board.maxThreads + 1; i >= sortedThreads.Count; ++i)
{
if (sortedThreads[i].IsSticky)
continue;
await deleteThread(sortedThreads[i]);
}
}
}
public static async Task deleteThread(PostData post)
{
foreach(var c in post.Comments)
{
if (c.Image != null)
{
deleteImage(c.Image);
}
}
deleteImage(post.Image);
await PostsRepository.deletePostAsync(post.PostID);
}
public static async Task deleteComment(CommentData comment)
{
if (comment.Image != null)
{
deleteImage(comment.Image);
}
await CommentsRepository.deleteCommentAsync(comment.CommentID);
}
public static void deleteImage(ImageData imageData)
{
string path = $"./wwwroot{imageData.ImageLocation}";
try
{
File.Delete(path);
}
catch (FileNotFoundException)
{
Console.WriteLine("The file was not found.");
}
catch (Exception e)
{
Console.WriteLine("An error occurred: " + e.Message);
}
}
public static async Task<bool> isGETComment(string board, int GET)
{
return await CommentsRepository.getCommentByGETAsync(board, GET) != null;
}
public static string getmd5Hash()
{
var bytes = new byte[16];
using (var rng = new RNGCryptoServiceProvider())
{
rng.GetBytes(bytes);
}
return BitConverter.ToString(bytes).Replace("-", "").ToLower();
}
}