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			533 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
			
		
		
	
	
			533 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C#
		
	
	
	
	
	
| using System;
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| using System.Collections.Generic;
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| using System.IO;
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| using System.Linq;
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| using System.Threading.Tasks;
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| using API.Constants;
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| using API.Data;
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| using API.Data.Repositories;
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| using API.DTOs;
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| using API.DTOs.JumpBar;
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| using API.DTOs.System;
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| using API.Entities;
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| using API.Entities.Enums;
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| using API.Entities.Metadata;
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| using API.Extensions;
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| using API.Helpers.Builders;
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| using API.Services;
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| using API.Services.Tasks.Scanner;
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| using API.SignalR;
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| using AutoMapper;
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| using EasyCaching.Core;
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| using Microsoft.AspNetCore.Authorization;
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| using Microsoft.AspNetCore.Mvc;
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| using Microsoft.Extensions.Configuration.UserSecrets;
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| using Microsoft.Extensions.Logging;
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| using TaskScheduler = API.Services.TaskScheduler;
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| 
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| namespace API.Controllers;
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| 
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| #nullable enable
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| 
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| [Authorize]
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| public class LibraryController : BaseApiController
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| {
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|     private readonly IDirectoryService _directoryService;
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|     private readonly ILogger<LibraryController> _logger;
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|     private readonly IMapper _mapper;
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|     private readonly ITaskScheduler _taskScheduler;
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|     private readonly IUnitOfWork _unitOfWork;
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|     private readonly IEventHub _eventHub;
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|     private readonly ILibraryWatcher _libraryWatcher;
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|     private readonly ILocalizationService _localizationService;
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|     private readonly IEasyCachingProvider _libraryCacheProvider;
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|     private const string CacheKey = "library_";
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| 
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|     public LibraryController(IDirectoryService directoryService,
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|         ILogger<LibraryController> logger, IMapper mapper, ITaskScheduler taskScheduler,
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|         IUnitOfWork unitOfWork, IEventHub eventHub, ILibraryWatcher libraryWatcher,
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|         IEasyCachingProviderFactory cachingProviderFactory, ILocalizationService localizationService)
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|     {
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|         _directoryService = directoryService;
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|         _logger = logger;
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|         _mapper = mapper;
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|         _taskScheduler = taskScheduler;
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|         _unitOfWork = unitOfWork;
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|         _eventHub = eventHub;
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|         _libraryWatcher = libraryWatcher;
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|         _localizationService = localizationService;
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| 
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|         _libraryCacheProvider = cachingProviderFactory.GetCachingProvider(EasyCacheProfiles.Library);
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|     }
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| 
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|     /// <summary>
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|     /// Creates a new Library. Upon library creation, adds new library to all Admin accounts.
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|     /// </summary>
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|     /// <param name="dto"></param>
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|     /// <returns></returns>
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpPost("create")]
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|     public async Task<ActionResult> AddLibrary(UpdateLibraryDto dto)
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|     {
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|         if (await _unitOfWork.LibraryRepository.LibraryExists(dto.Name))
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|         {
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|             return BadRequest(await _localizationService.Translate(User.GetUserId(), "library-name-exists"));
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|         }
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| 
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|         var library = new LibraryBuilder(dto.Name, dto.Type)
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|             .WithFolders(dto.Folders.Select(x => new FolderPath {Path = x}).Distinct().ToList())
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|             .WithFolderWatching(dto.FolderWatching)
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|             .WithIncludeInDashboard(dto.IncludeInDashboard)
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|             .WithIncludeInRecommended(dto.IncludeInRecommended)
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|             .WithManageCollections(dto.ManageCollections)
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|             .WithManageReadingLists(dto.ManageReadingLists)
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|             .WIthAllowScrobbling(dto.AllowScrobbling)
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|             .Build();
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| 
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|         library.LibraryFileTypes = dto.FileGroupTypes
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|             .Select(t => new LibraryFileTypeGroup() {FileTypeGroup = t, LibraryId = library.Id})
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|             .Distinct()
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|             .ToList();
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|         library.LibraryExcludePatterns = dto.ExcludePatterns
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|             .Select(t => new LibraryExcludePattern() {Pattern = t, LibraryId = library.Id})
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|             .Distinct()
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|             .ToList();
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| 
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|         // Override Scrobbling for Comic libraries since there are no providers to scrobble to
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|         if (library.Type == LibraryType.Comic)
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|         {
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|             _logger.LogInformation("Overrode Library {Name} to disable scrobbling since there are no providers for Comics", dto.Name);
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|             library.AllowScrobbling = false;
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|         }
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| 
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|         _unitOfWork.LibraryRepository.Add(library);
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| 
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|         var admins = (await _unitOfWork.UserRepository.GetAdminUsersAsync()).ToList();
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|         foreach (var admin in admins)
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|         {
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|             admin.Libraries ??= new List<Library>();
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|             admin.Libraries.Add(library);
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|         }
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| 
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|         if (!await _unitOfWork.CommitAsync()) return BadRequest(await _localizationService.Translate(User.GetUserId(), "generic-library"));
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|         _logger.LogInformation("Created a new library: {LibraryName}", library.Name);
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| 
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|         // Restart Folder watching if on
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|         var settings = await _unitOfWork.SettingsRepository.GetSettingsDtoAsync();
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|         if (settings.EnableFolderWatching)
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|         {
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|             await _libraryWatcher.RestartWatching();
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|         }
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| 
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|         // Assign all the necessary users with this library side nav
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|         var userIds = admins.Select(u => u.Id).Append(User.GetUserId()).ToList();
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|         var userNeedingNewLibrary = (await _unitOfWork.UserRepository.GetAllUsersAsync(AppUserIncludes.SideNavStreams))
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|             .Where(u => userIds.Contains(u.Id))
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|             .ToList();
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| 
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|         foreach (var user in userNeedingNewLibrary)
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|         {
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|             user.CreateSideNavFromLibrary(library);
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|             _unitOfWork.UserRepository.Update(user);
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|         }
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| 
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|         if (!await _unitOfWork.CommitAsync()) return BadRequest(await _localizationService.Translate(User.GetUserId(), "generic-library"));
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| 
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|         await _libraryWatcher.RestartWatching();
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|         _taskScheduler.ScanLibrary(library.Id);
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|         await _eventHub.SendMessageAsync(MessageFactory.LibraryModified,
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|             MessageFactory.LibraryModifiedEvent(library.Id, "create"), false);
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|         await _eventHub.SendMessageAsync(MessageFactory.SideNavUpdate,
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|             MessageFactory.SideNavUpdateEvent(User.GetUserId()), false);
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|         await _libraryCacheProvider.RemoveByPrefixAsync(CacheKey);
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|         return Ok();
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|     }
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| 
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|     /// <summary>
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|     /// Returns a list of directories for a given path. If path is empty, returns root drives.
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|     /// </summary>
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|     /// <param name="path"></param>
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|     /// <returns></returns>
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpGet("list")]
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|     public ActionResult<IEnumerable<DirectoryDto>> GetDirectories(string? path)
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|     {
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|         if (string.IsNullOrEmpty(path))
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|         {
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|             return Ok(Directory.GetLogicalDrives().Select(d => new DirectoryDto()
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|             {
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|                 Name = d,
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|                 FullPath = d
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|             }));
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|         }
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| 
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|         if (!Directory.Exists(path)) return Ok(_directoryService.ListDirectory(Path.GetDirectoryName(path)!));
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| 
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|         return Ok(_directoryService.ListDirectory(path));
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|     }
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| 
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|     /// <summary>
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|     /// Return a specific library
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|     /// </summary>
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|     /// <returns></returns>
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpGet]
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|     public async Task<ActionResult<LibraryDto?>> GetLibrary(int libraryId)
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|     {
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|         var username = User.GetUsername();
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|         if (string.IsNullOrEmpty(username)) return Unauthorized();
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| 
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|         var cacheKey = CacheKey + username;
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|         var result = await _libraryCacheProvider.GetAsync<IEnumerable<LibraryDto>>(cacheKey);
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|         if (result.HasValue)
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|         {
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|             return Ok(result.Value.FirstOrDefault(l => l.Id == libraryId));
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|         }
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| 
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|         var ret = _unitOfWork.LibraryRepository.GetLibraryDtosForUsernameAsync(username).ToList();
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|         await _libraryCacheProvider.SetAsync(CacheKey, ret, TimeSpan.FromHours(24));
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|         _logger.LogDebug("Caching libraries for {Key}", cacheKey);
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| 
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|         return Ok(ret.Find(l => l.Id == libraryId));
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|     }
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| 
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|     /// <summary>
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|     /// Return all libraries in the Server
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|     /// </summary>
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|     /// <returns></returns>
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|     [HttpGet("libraries")]
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|     public async Task<ActionResult<IEnumerable<LibraryDto>>> GetLibraries()
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|     {
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|         var username = User.GetUsername();
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|         if (string.IsNullOrEmpty(username)) return Unauthorized();
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| 
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|         var cacheKey = CacheKey + username;
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|         var result = await _libraryCacheProvider.GetAsync<IEnumerable<LibraryDto>>(cacheKey);
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|         if (result.HasValue) return Ok(result.Value);
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| 
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|         var ret = _unitOfWork.LibraryRepository.GetLibraryDtosForUsernameAsync(username);
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|         await _libraryCacheProvider.SetAsync(CacheKey, ret, TimeSpan.FromHours(24));
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|         _logger.LogDebug("Caching libraries for {Key}", cacheKey);
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| 
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|         return Ok(ret);
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|     }
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| 
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|     /// <summary>
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|     /// For a given library, generate the jump bar information
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|     /// </summary>
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|     /// <param name="libraryId"></param>
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|     /// <returns></returns>
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|     [HttpGet("jump-bar")]
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|     public async Task<ActionResult<IEnumerable<JumpKeyDto>>> GetJumpBar(int libraryId)
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|     {
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|         if (!await _unitOfWork.UserRepository.HasAccessToLibrary(libraryId, User.GetUserId()))
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|             return BadRequest(await _localizationService.Translate(User.GetUserId(), "no-library-access"));
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| 
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|         return Ok(_unitOfWork.LibraryRepository.GetJumpBarAsync(libraryId));
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|     }
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| 
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|     /// <summary>
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|     /// Grants a user account access to a Library
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|     /// </summary>
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|     /// <param name="updateLibraryForUserDto"></param>
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|     /// <returns></returns>
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpPost("grant-access")]
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|     public async Task<ActionResult<MemberDto>> UpdateUserLibraries(UpdateLibraryForUserDto updateLibraryForUserDto)
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|     {
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|         var user = await _unitOfWork.UserRepository.GetUserByUsernameAsync(updateLibraryForUserDto.Username, AppUserIncludes.SideNavStreams);
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|         if (user == null) return BadRequest(await _localizationService.Translate(User.GetUserId(), "user-doesnt-exist"));
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| 
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|         var libraryString = string.Join(',', updateLibraryForUserDto.SelectedLibraries.Select(x => x.Name));
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|         _logger.LogInformation("Granting user {UserName} access to: {Libraries}", updateLibraryForUserDto.Username, libraryString);
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| 
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|         var allLibraries = await _unitOfWork.LibraryRepository.GetLibrariesAsync();
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|         foreach (var library in allLibraries)
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|         {
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|             library.AppUsers ??= new List<AppUser>();
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|             var libraryContainsUser = library.AppUsers.Any(u => u.UserName == user.UserName);
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|             var libraryIsSelected = updateLibraryForUserDto.SelectedLibraries.Any(l => l.Id == library.Id);
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|             if (libraryContainsUser && !libraryIsSelected)
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|             {
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|                 // Remove
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|                 library.AppUsers.Remove(user);
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|                 user.RemoveSideNavFromLibrary(library);
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|             }
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|             else if (!libraryContainsUser && libraryIsSelected)
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|             {
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|                 library.AppUsers.Add(user);
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|                 user.CreateSideNavFromLibrary(library);
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|             }
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|         }
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| 
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|         if (!_unitOfWork.HasChanges())
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|         {
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|             _logger.LogInformation("No changes for update library access");
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|             return Ok(_mapper.Map<MemberDto>(user));
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|         }
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| 
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|         if (await _unitOfWork.CommitAsync())
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|         {
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|             _logger.LogInformation("Added: {SelectedLibraries} to {Username}",libraryString, updateLibraryForUserDto.Username);
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|             // Bust cache
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|             await _libraryCacheProvider.RemoveByPrefixAsync(CacheKey);
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| 
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|             _unitOfWork.UserRepository.Update(user);
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| 
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|             return Ok(_mapper.Map<MemberDto>(user));
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|         }
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| 
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| 
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|         return BadRequest(await _localizationService.Translate(User.GetUserId(), "generic-library"));
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|     }
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| 
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|     /// <summary>
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|     /// Scans a given library for file changes.
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|     /// </summary>
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|     /// <param name="libraryId"></param>
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|     /// <param name="force">If true, will ignore any optimizations to avoid file I/O and will treat similar to a first scan</param>
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|     /// <returns></returns>
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpPost("scan")]
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|     public async Task<ActionResult> Scan(int libraryId, bool force = false)
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|     {
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|         if (libraryId <= 0) return BadRequest(await _localizationService.Translate(User.GetUserId(), "greater-0", "libraryId"));
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|         _taskScheduler.ScanLibrary(libraryId, force);
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|         return Ok();
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|     }
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| 
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|     /// <summary>
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|     /// Scans a given library for file changes. If another scan task is in progress, will reschedule the invocation for 3 hours in future.
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|     /// </summary>
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|     /// <param name="force">If true, will ignore any optimizations to avoid file I/O and will treat similar to a first scan</param>
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|     /// <returns></returns>
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpPost("scan-all")]
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|     public ActionResult ScanAll(bool force = false)
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|     {
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|         _taskScheduler.ScanLibraries(force);
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|         return Ok();
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|     }
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| 
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpPost("refresh-metadata")]
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|     public ActionResult RefreshMetadata(int libraryId, bool force = true)
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|     {
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|         _taskScheduler.RefreshMetadata(libraryId, force);
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|         return Ok();
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|     }
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| 
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpPost("analyze")]
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|     public ActionResult Analyze(int libraryId)
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|     {
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|         _taskScheduler.AnalyzeFilesForLibrary(libraryId, true);
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|         return Ok();
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|     }
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| 
 | |
|     /// <summary>
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|     /// Given a valid path, will invoke either a Scan Series or Scan Library. If the folder does not exist within Kavita, the request will be ignored
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|     /// </summary>
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|     /// <param name="dto"></param>
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|     /// <returns></returns>
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|     [AllowAnonymous]
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|     [HttpPost("scan-folder")]
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|     public async Task<ActionResult> ScanFolder(ScanFolderDto dto)
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|     {
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|         var userId = await _unitOfWork.UserRepository.GetUserIdByApiKeyAsync(dto.ApiKey);
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|         var user = await _unitOfWork.UserRepository.GetUserByIdAsync(userId);
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|         if (user == null) return Unauthorized();
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| 
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|         // Validate user has Admin privileges
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|         var isAdmin = await _unitOfWork.UserRepository.IsUserAdminAsync(user);
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|         if (!isAdmin) return BadRequest("API key must belong to an admin");
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| 
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|         if (dto.FolderPath.Contains("..")) return BadRequest(await _localizationService.Translate(user.Id, "invalid-path"));
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| 
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|         dto.FolderPath = Services.Tasks.Scanner.Parser.Parser.NormalizePath(dto.FolderPath);
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| 
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|         var libraryFolder = (await _unitOfWork.LibraryRepository.GetLibraryDtosAsync())
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|             .SelectMany(l => l.Folders)
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|             .Distinct()
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|             .Select(Services.Tasks.Scanner.Parser.Parser.NormalizePath);
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| 
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|         var seriesFolder = _directoryService.FindHighestDirectoriesFromFiles(libraryFolder,
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|             new List<string>() {dto.FolderPath});
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| 
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|         _taskScheduler.ScanFolder(seriesFolder.Keys.Count == 1 ? seriesFolder.Keys.First() : dto.FolderPath);
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| 
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|         return Ok();
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|     }
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| 
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|     [Authorize(Policy = "RequireAdminRole")]
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|     [HttpDelete("delete")]
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|     public async Task<ActionResult<bool>> DeleteLibrary(int libraryId)
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|     {
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|         var username = User.GetUsername();
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|         _logger.LogInformation("Library {LibraryId} is being deleted by {UserName}", libraryId, username);
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|         var series = await _unitOfWork.SeriesRepository.GetSeriesForLibraryIdAsync(libraryId);
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|         var seriesIds = series.Select(x => x.Id).ToArray();
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|         var chapterIds =
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|             await _unitOfWork.SeriesRepository.GetChapterIdsForSeriesAsync(seriesIds);
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| 
 | |
|         try
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|         {
 | |
|             if (TaskScheduler.HasScanTaskRunningForLibrary(libraryId))
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|             {
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|                 _logger.LogInformation("User is attempting to delete a library while a scan is in progress");
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|                 return BadRequest(await _localizationService.Translate(User.GetUserId(), "delete-library-while-scan"));
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|             }
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| 
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|             var library = await _unitOfWork.LibraryRepository.GetLibraryForIdAsync(libraryId);
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|             if (library == null) return BadRequest(await _localizationService.Translate(User.GetUserId(), "library-doesnt-exist"));
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| 
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|             // Due to a bad schema that I can't figure out how to fix, we need to erase all RelatedSeries before we delete the library
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|             // Aka SeriesRelation has an invalid foreign key
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|             foreach (var s in await _unitOfWork.SeriesRepository.GetSeriesForLibraryIdAsync(library.Id,
 | |
|                          SeriesIncludes.Related))
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|             {
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|                 s.Relations = new List<SeriesRelation>();
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|                 _unitOfWork.SeriesRepository.Update(s);
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|             }
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|             await _unitOfWork.CommitAsync();
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| 
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|             _unitOfWork.LibraryRepository.Delete(library);
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| 
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|             var streams = await _unitOfWork.UserRepository.GetSideNavStreamsByLibraryId(library.Id);
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|             _unitOfWork.UserRepository.Delete(streams);
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| 
 | |
| 
 | |
|             await _unitOfWork.CommitAsync();
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| 
 | |
|             await _libraryCacheProvider.RemoveByPrefixAsync(CacheKey);
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|             await _eventHub.SendMessageAsync(MessageFactory.SideNavUpdate,
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|                 MessageFactory.SideNavUpdateEvent(User.GetUserId()), false);
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| 
 | |
|             if (chapterIds.Any())
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|             {
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|                 await _unitOfWork.AppUserProgressRepository.CleanupAbandonedChapters();
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|                 await _unitOfWork.CommitAsync();
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|                 _taskScheduler.CleanupChapters(chapterIds);
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|             }
 | |
| 
 | |
|             await _libraryWatcher.RestartWatching();
 | |
| 
 | |
|             foreach (var seriesId in seriesIds)
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|             {
 | |
|                 await _eventHub.SendMessageAsync(MessageFactory.SeriesRemoved,
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|                     MessageFactory.SeriesRemovedEvent(seriesId, string.Empty, libraryId), false);
 | |
|             }
 | |
| 
 | |
|             await _eventHub.SendMessageAsync(MessageFactory.LibraryModified,
 | |
|                 MessageFactory.LibraryModifiedEvent(libraryId, "delete"), false);
 | |
|             return Ok(true);
 | |
|         }
 | |
|         catch (Exception ex)
 | |
|         {
 | |
|             _logger.LogError(ex, "There was a critical issue. Please try again");
 | |
|             await _unitOfWork.RollbackAsync();
 | |
|             return Ok(false);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /// <summary>
 | |
|     /// Checks if the library name exists or not
 | |
|     /// </summary>
 | |
|     /// <param name="name">If empty or null, will return true as that is invalid</param>
 | |
|     /// <returns></returns>
 | |
|     [Authorize(Policy = "RequireAdminRole")]
 | |
|     [HttpGet("name-exists")]
 | |
|     public async Task<ActionResult<bool>> IsLibraryNameValid(string name)
 | |
|     {
 | |
|         if (string.IsNullOrWhiteSpace(name)) return Ok(true);
 | |
|         return Ok(await _unitOfWork.LibraryRepository.LibraryExists(name.Trim()));
 | |
|     }
 | |
| 
 | |
|     /// <summary>
 | |
|     /// Updates an existing Library with new name, folders, and/or type.
 | |
|     /// </summary>
 | |
|     /// <remarks>Any folder or type change will invoke a scan.</remarks>
 | |
|     /// <param name="dto"></param>
 | |
|     /// <returns></returns>
 | |
|     [Authorize(Policy = "RequireAdminRole")]
 | |
|     [HttpPost("update")]
 | |
|     public async Task<ActionResult> UpdateLibrary(UpdateLibraryDto dto)
 | |
|     {
 | |
|         var userId = User.GetUserId();
 | |
|         var library = await _unitOfWork.LibraryRepository.GetLibraryForIdAsync(dto.Id, LibraryIncludes.Folders | LibraryIncludes.FileTypes | LibraryIncludes.ExcludePatterns);
 | |
|         if (library == null) return BadRequest(await _localizationService.Translate(userId, "library-doesnt-exist"));
 | |
| 
 | |
|         var newName = dto.Name.Trim();
 | |
|         if (await _unitOfWork.LibraryRepository.LibraryExists(newName) && !library.Name.Equals(newName))
 | |
|             return BadRequest(await _localizationService.Translate(userId, "library-name-exists"));
 | |
| 
 | |
|         var originalFoldersCount = library.Folders.Count;
 | |
| 
 | |
|         library.Name = newName;
 | |
|         library.Folders = dto.Folders.Select(s => new FolderPath() {Path = s}).Distinct().ToList();
 | |
| 
 | |
|         var typeUpdate = library.Type != dto.Type;
 | |
|         var folderWatchingUpdate = library.FolderWatching != dto.FolderWatching;
 | |
|         library.Type = dto.Type;
 | |
|         library.FolderWatching = dto.FolderWatching;
 | |
|         library.IncludeInDashboard = dto.IncludeInDashboard;
 | |
|         library.IncludeInRecommended = dto.IncludeInRecommended;
 | |
|         library.IncludeInSearch = dto.IncludeInSearch;
 | |
|         library.ManageCollections = dto.ManageCollections;
 | |
|         library.ManageReadingLists = dto.ManageReadingLists;
 | |
|         library.AllowScrobbling = dto.AllowScrobbling;
 | |
|         library.LibraryFileTypes = dto.FileGroupTypes
 | |
|             .Select(t => new LibraryFileTypeGroup() {FileTypeGroup = t, LibraryId = library.Id})
 | |
|             .Distinct()
 | |
|             .ToList();
 | |
| 
 | |
|         library.LibraryExcludePatterns = dto.ExcludePatterns
 | |
|             .Distinct()
 | |
|             .Select(t => new LibraryExcludePattern() {Pattern = t, LibraryId = library.Id})
 | |
|             .ToList();
 | |
| 
 | |
|         // Override Scrobbling for Comic libraries since there are no providers to scrobble to
 | |
|         if (library.Type == LibraryType.Comic)
 | |
|         {
 | |
|             _logger.LogInformation("Overrode Library {Name} to disable scrobbling since there are no providers for Comics", dto.Name.Replace(Environment.NewLine, string.Empty));
 | |
|             library.AllowScrobbling = false;
 | |
|         }
 | |
| 
 | |
| 
 | |
|         _unitOfWork.LibraryRepository.Update(library);
 | |
| 
 | |
|         if (!await _unitOfWork.CommitAsync()) return BadRequest(await _localizationService.Translate(userId, "generic-library-update"));
 | |
|         if (originalFoldersCount != dto.Folders.Count() || typeUpdate)
 | |
|         {
 | |
|             await _libraryWatcher.RestartWatching();
 | |
|             _taskScheduler.ScanLibrary(library.Id);
 | |
|         }
 | |
| 
 | |
|         if (folderWatchingUpdate)
 | |
|         {
 | |
|             await _libraryWatcher.RestartWatching();
 | |
|         }
 | |
|         await _eventHub.SendMessageAsync(MessageFactory.LibraryModified,
 | |
|             MessageFactory.LibraryModifiedEvent(library.Id, "update"), false);
 | |
| 
 | |
|         await _eventHub.SendMessageAsync(MessageFactory.SideNavUpdate,
 | |
|             MessageFactory.SideNavUpdateEvent(userId), false);
 | |
| 
 | |
|         await _libraryCacheProvider.RemoveByPrefixAsync(CacheKey);
 | |
| 
 | |
|         return Ok();
 | |
| 
 | |
|     }
 | |
| 
 | |
|     /// <summary>
 | |
|     /// Returns the type of the underlying library
 | |
|     /// </summary>
 | |
|     /// <param name="libraryId"></param>
 | |
|     /// <returns></returns>
 | |
|     [HttpGet("type")]
 | |
|     public async Task<ActionResult<LibraryType>> GetLibraryType(int libraryId)
 | |
|     {
 | |
|         return Ok(await _unitOfWork.LibraryRepository.GetLibraryTypeAsync(libraryId));
 | |
|     }
 | |
| }
 |