2chBackAPI/APIControllers/PictureUpload.cs

using Microsoft.AspNetCore.Mvc;
using NeDvachAPI.DBControllers;


namespace NeDvachAPI.Controllers
{
    [ApiController]
    [Route("[controller]")]
    public class UploadPic : ControllerBase
    {                


        [HttpPost(Name = "UploadPicture")]
        public async Task<JsonResult> ReceivePost([FromForm] IFormFile PostPicture)
        {
            
            string receivedFileName = PostPicture.FileName;
            string fName = Path.GetFileNameWithoutExtension(receivedFileName);
            string fExtention = Path.GetExtension(receivedFileName);
            string previevFileName = fName + 's' + fExtention;

            Console.WriteLine("Расширение файла: " + fExtention);
            
            if (ImageController.CheckExtention(fExtention))  //file type check
            {
                ///Local Buffer File Part
                string filePath;
                string previevPath;
                filePath = Directory.GetCurrentDirectory() + "\\Buffer\\" + receivedFileName;
                previevPath = Directory.GetCurrentDirectory() + "\\Buffer\\" + previevFileName;
                //creating original file buffer
                Stream picBuffer = new FileStream(filePath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
                PostPicture.CopyTo(picBuffer);
                picBuffer.Close();
                //resizing
                ImageController.ResizeImage(filePath, previevPath, 300, 400);
                ///MinIo part
                await MinIOchat.PictureUpload(previevPath, receivedFileName, "thread-pics-small"); //upload thumbnail
                JsonResult picAdress = new(await MinIOchat.PictureUpload(filePath, receivedFileName, "thread-pics")); //upload fullsize
                Console.WriteLine("Загружен файл:" + "http://static.vdk2ch.ru:15555/thread-pics/" + receivedFileName);
                return picAdress;
            }

            else return new JsonResult("Неверный тип файла");
        }

        
    }
    
}