Tranga/API/Controllers/MaintenanceController.cs

using API.MangaConnectors;
using API.Schema.MangaContext;
using Asp.Versioning;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using static Microsoft.AspNetCore.Http.StatusCodes;

namespace API.Controllers;

[ApiVersion(2)]
[ApiController]
[Route("v{v:apiVersion}/[controller]")]
public class MaintenanceController(MangaContext mangaContext) : Controller
{
    
    /// <summary>
    /// Removes all <see cref="Manga"/> not marked for Download on any <see cref="MangaConnector"/>
    /// </summary>
    /// <response code="200"></response>
    /// <response code="500">Error during Database Operation</response>
    [HttpPost("CleanupNoDownloadManga")]
    [ProducesResponseType(Status200OK)]
    [ProducesResponseType<string>(Status500InternalServerError, "text/plain")]
    public IActionResult CleanupNoDownloadManga()
    {
        Manga[] noDownloads = mangaContext.Mangas
            .Include(m => m.MangaConnectorIds)
            .Where(m => !m.MangaConnectorIds.Any(id => id.UseForDownload))
            .ToArray();
        mangaContext.Mangas.RemoveRange(noDownloads);
        
        if(mangaContext.Sync() is { success: false } result)
            return StatusCode(Status500InternalServerError, result.exceptionMessage);
        return Ok();
    }
}