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Merge pull request #3271 from crobibero/api-item-lookup

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Move ItemLookupService to Jellyfin.Api
pull/3420/head
David 5 years ago committed by GitHub
parent d7ae666ef0 cffba00f51
commit f736b43f97
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2 changed files with 364 additions and 336 deletions
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364
Jellyfin.Api/Controllers/ItemLookupController.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.IO;
using System.Linq;
using System.Net.Mime;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Api.Constants;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Providers;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using Microsoft.Extensions.Logging;
namespace Jellyfin.Api.Controllers
{
/// <summary>
/// Item lookup controller.
/// </summary>
[Authorize]
public class ItemLookupController : BaseJellyfinApiController
{
private readonly IProviderManager _providerManager;
private readonly IServerApplicationPaths _appPaths;
private readonly IFileSystem _fileSystem;
private readonly ILibraryManager _libraryManager;
private readonly ILogger<ItemLookupController> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="ItemLookupController"/> class.
/// </summary>
/// <param name="providerManager">Instance of the <see cref="IProviderManager"/> interface.</param>
/// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
/// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
/// <param name="logger">Instance of the <see cref="ILogger{ItemLookupController}"/> interface.</param>
public ItemLookupController(
IProviderManager providerManager,
IServerConfigurationManager serverConfigurationManager,
IFileSystem fileSystem,
ILibraryManager libraryManager,
ILogger<ItemLookupController> logger)
{
_providerManager = providerManager;
_appPaths = serverConfigurationManager.ApplicationPaths;
_fileSystem = fileSystem;
_libraryManager = libraryManager;
_logger = logger;
}
/// <summary>
/// Get the item's external id info.
/// </summary>
/// <param name="itemId">Item id.</param>
/// <response code="200">External id info retrieved.</response>
/// <response code="404">Item not found.</response>
/// <returns>List of external id info.</returns>
[HttpGet("/Items/{itemId}/ExternalIdInfos")]
[Authorize(Policy = Policies.RequiresElevation)]
[ProducesResponseType(StatusCodes.Status200OK)]
[ProducesResponseType(StatusCodes.Status404NotFound)]
public ActionResult<IEnumerable<ExternalIdInfo>> GetExternalIdInfos([FromRoute] Guid itemId)
{
var item = _libraryManager.GetItemById(itemId);
if (item == null)
{
return NotFound();
}
return Ok(_providerManager.GetExternalIdInfos(item));
}
/// <summary>
/// Get movie remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Movie remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/Movie")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMovieRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<MovieInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<Movie, MovieInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get trailer remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Trailer remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/Trailer")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetTrailerRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<TrailerInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<Trailer, TrailerInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get music video remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Music video remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/MusicVideo")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMusicVideoRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<MusicVideoInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<MusicVideo, MusicVideoInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get series remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Series remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/Series")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetSeriesRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<SeriesInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<Series, SeriesInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get box set remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Box set remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/BoxSet")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetBoxSetRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<BoxSetInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<BoxSet, BoxSetInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get music artist remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Music artist remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/MusicArtist")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMusicArtistRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<ArtistInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<MusicArtist, ArtistInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get music album remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Music album remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/MusicAlbum")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetMusicAlbumRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<AlbumInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<MusicAlbum, AlbumInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get person remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Person remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/Person")]
[Authorize(Policy = Policies.RequiresElevation)]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetPersonRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<PersonLookupInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<Person, PersonLookupInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Get book remote search.
/// </summary>
/// <param name="query">Remote search query.</param>
/// <response code="200">Book remote search executed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="OkResult"/> containing the list of remote search results.
/// </returns>
[HttpPost("/Items/RemoteSearch/Book")]
public async Task<ActionResult<IEnumerable<RemoteSearchResult>>> GetBookRemoteSearchResults([FromBody, BindRequired] RemoteSearchQuery<BookInfo> query)
{
var results = await _providerManager.GetRemoteSearchResults<Book, BookInfo>(query, CancellationToken.None)
.ConfigureAwait(false);
return Ok(results);
}
/// <summary>
/// Gets a remote image.
/// </summary>
/// <param name="imageUrl">The image url.</param>
/// <param name="providerName">The provider name.</param>
/// <response code="200">Remote image retrieved.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="FileStreamResult"/> containing the images file stream.
/// </returns>
[HttpGet("/Items/RemoteSearch/Image")]
public async Task<ActionResult> GetRemoteSearchImage(
[FromQuery, Required] string imageUrl,
[FromQuery, Required] string providerName)
{
var urlHash = imageUrl.GetMD5();
var pointerCachePath = GetFullCachePath(urlHash.ToString());
try
{
var contentPath = await System.IO.File.ReadAllTextAsync(pointerCachePath).ConfigureAwait(false);
if (System.IO.File.Exists(contentPath))
{
await using var fileStreamExisting = System.IO.File.OpenRead(pointerCachePath);
return new FileStreamResult(fileStreamExisting, MediaTypeNames.Application.Octet);
}
}
catch (FileNotFoundException)
{
// Means the file isn't cached yet
}
catch (IOException)
{
// Means the file isn't cached yet
}
await DownloadImage(providerName, imageUrl, urlHash, pointerCachePath).ConfigureAwait(false);
// Read the pointer file again
await using var fileStream = System.IO.File.OpenRead(pointerCachePath);
return new FileStreamResult(fileStream, MediaTypeNames.Application.Octet);
}
/// <summary>
/// Applies search criteria to an item and refreshes metadata.
/// </summary>
/// <param name="itemId">Item id.</param>
/// <param name="searchResult">The remote search result.</param>
/// <param name="replaceAllImages">Optional. Whether or not to replace all images. Default: True.</param>
/// <response code="204">Item metadata refreshed.</response>
/// <returns>
/// A <see cref="Task" /> that represents the asynchronous operation to get the remote search results.
/// The task result contains an <see cref="NoContentResult"/>.
/// </returns>
[HttpPost("/Items/RemoteSearch/Apply/{id}")]
[Authorize(Policy = Policies.RequiresElevation)]
public async Task<ActionResult> ApplySearchCriteria(
[FromRoute] Guid itemId,
[FromBody, BindRequired] RemoteSearchResult searchResult,
[FromQuery] bool replaceAllImages = true)
{
var item = _libraryManager.GetItemById(itemId);
_logger.LogInformation(
"Setting provider id's to item {0}-{1}: {2}",
item.Id,
item.Name,
JsonSerializer.Serialize(searchResult.ProviderIds));
// Since the refresh process won't erase provider Ids, we need to set this explicitly now.
item.ProviderIds = searchResult.ProviderIds;
await _providerManager.RefreshFullItem(
item,
new MetadataRefreshOptions(new DirectoryService(_fileSystem))
{
MetadataRefreshMode = MetadataRefreshMode.FullRefresh,
ImageRefreshMode = MetadataRefreshMode.FullRefresh,
ReplaceAllMetadata = true,
ReplaceAllImages = replaceAllImages,
SearchResult = searchResult
}, CancellationToken.None).ConfigureAwait(false);
return NoContent();
}
/// <summary>
/// Downloads the image.
/// </summary>
/// <param name="providerName">Name of the provider.</param>
/// <param name="url">The URL.</param>
/// <param name="urlHash">The URL hash.</param>
/// <param name="pointerCachePath">The pointer cache path.</param>
/// <returns>Task.</returns>
private async Task DownloadImage(string providerName, string url, Guid urlHash, string pointerCachePath)
{
var result = await _providerManager.GetSearchImage(providerName, url, CancellationToken.None).ConfigureAwait(false);
var ext = result.ContentType.Split('/').Last();
var fullCachePath = GetFullCachePath(urlHash + "." + ext);
Directory.CreateDirectory(Path.GetDirectoryName(fullCachePath));
await using (var stream = result.Content)
{
await using var fileStream = new FileStream(
fullCachePath,
FileMode.Create,
FileAccess.Write,
FileShare.Read,
IODefaults.FileStreamBufferSize,
true);
await stream.CopyToAsync(fileStream).ConfigureAwait(false);
}
Directory.CreateDirectory(Path.GetDirectoryName(pointerCachePath));
await System.IO.File.WriteAllTextAsync(pointerCachePath, fullCachePath).ConfigureAwait(false);
}
/// <summary>
/// Gets the full cache path.
/// </summary>
/// <param name="filename">The filename.</param>
/// <returns>System.String.</returns>
private string GetFullCachePath(string filename)
=> Path.Combine(_appPaths.CachePath, "remote-images", filename.Substring(0, 1), filename);
}
}

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MediaBrowser.Api/ItemLookupService.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Net;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Providers;
using MediaBrowser.Model.Serialization;
using MediaBrowser.Model.Services;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api
{
[Route("/Items/{Id}/ExternalIdInfos", "GET", Summary = "Gets external id infos for an item")]
[Authenticated(Roles = "Admin")]
public class GetExternalIdInfos : IReturn<List<ExternalIdInfo>>
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public Guid Id { get; set; }
}
[Route("/Items/RemoteSearch/Movie", "POST")]
[Authenticated]
public class GetMovieRemoteSearchResults : RemoteSearchQuery<MovieInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/Trailer", "POST")]
[Authenticated]
public class GetTrailerRemoteSearchResults : RemoteSearchQuery<TrailerInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/MusicVideo", "POST")]
[Authenticated]
public class GetMusicVideoRemoteSearchResults : RemoteSearchQuery<MusicVideoInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/Series", "POST")]
[Authenticated]
public class GetSeriesRemoteSearchResults : RemoteSearchQuery<SeriesInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/BoxSet", "POST")]
[Authenticated]
public class GetBoxSetRemoteSearchResults : RemoteSearchQuery<BoxSetInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/MusicArtist", "POST")]
[Authenticated]
public class GetMusicArtistRemoteSearchResults : RemoteSearchQuery<ArtistInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/MusicAlbum", "POST")]
[Authenticated]
public class GetMusicAlbumRemoteSearchResults : RemoteSearchQuery<AlbumInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/Person", "POST")]
[Authenticated(Roles = "Admin")]
public class GetPersonRemoteSearchResults : RemoteSearchQuery<PersonLookupInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/Book", "POST")]
[Authenticated]
public class GetBookRemoteSearchResults : RemoteSearchQuery<BookInfo>, IReturn<List<RemoteSearchResult>>
{
}
[Route("/Items/RemoteSearch/Image", "GET", Summary = "Gets a remote image")]
public class GetRemoteSearchImage
{
[ApiMember(Name = "ImageUrl", Description = "The image url", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")]
public string ImageUrl { get; set; }
[ApiMember(Name = "ProviderName", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")]
public string ProviderName { get; set; }
}
[Route("/Items/RemoteSearch/Apply/{Id}", "POST", Summary = "Applies search criteria to an item and refreshes metadata")]
[Authenticated(Roles = "Admin")]
public class ApplySearchCriteria : RemoteSearchResult, IReturnVoid
{
[ApiMember(Name = "Id", Description = "The item id", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
public string Id { get; set; }
[ApiMember(Name = "ReplaceAllImages", Description = "Whether or not to replace all images", IsRequired = false, DataType = "boolean", ParameterType = "query", Verb = "POST")]
public bool ReplaceAllImages { get; set; }
public ApplySearchCriteria()
{
ReplaceAllImages = true;
}
}
public class ItemLookupService : BaseApiService
{
private readonly IProviderManager _providerManager;
private readonly IServerApplicationPaths _appPaths;
private readonly IFileSystem _fileSystem;
private readonly ILibraryManager _libraryManager;
private readonly IJsonSerializer _json;
public ItemLookupService(
ILogger<ItemLookupService> logger,
IServerConfigurationManager serverConfigurationManager,
IHttpResultFactory httpResultFactory,
IProviderManager providerManager,
IFileSystem fileSystem,
ILibraryManager libraryManager,
IJsonSerializer json)
: base(logger, serverConfigurationManager, httpResultFactory)
{
_providerManager = providerManager;
_appPaths = serverConfigurationManager.ApplicationPaths;
_fileSystem = fileSystem;
_libraryManager = libraryManager;
_json = json;
}
public object Get(GetExternalIdInfos request)
{
var item = _libraryManager.GetItemById(request.Id);
var infos = _providerManager.GetExternalIdInfos(item).ToList();
return ToOptimizedResult(infos);
}
public async Task<object> Post(GetTrailerRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<Trailer, TrailerInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetBookRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<Book, BookInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetMovieRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<Movie, MovieInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetSeriesRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<Series, SeriesInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetBoxSetRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<BoxSet, BoxSetInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetMusicVideoRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<MusicVideo, MusicVideoInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetPersonRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<Person, PersonLookupInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetMusicAlbumRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<MusicAlbum, AlbumInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public async Task<object> Post(GetMusicArtistRemoteSearchResults request)
{
var result = await _providerManager.GetRemoteSearchResults<MusicArtist, ArtistInfo>(request, CancellationToken.None).ConfigureAwait(false);
return ToOptimizedResult(result);
}
public Task<object> Get(GetRemoteSearchImage request)
{
return GetRemoteImage(request);
}
public Task Post(ApplySearchCriteria request)
{
var item = _libraryManager.GetItemById(new Guid(request.Id));
//foreach (var key in request.ProviderIds)
//{
// var value = key.Value;
// if (!string.IsNullOrWhiteSpace(value))
// {
// item.SetProviderId(key.Key, value);
// }
//}
Logger.LogInformation("Setting provider id's to item {0}-{1}: {2}", item.Id, item.Name, _json.SerializeToString(request.ProviderIds));
// Since the refresh process won't erase provider Ids, we need to set this explicitly now.
item.ProviderIds = request.ProviderIds;
//item.ProductionYear = request.ProductionYear;
//item.Name = request.Name;
return _providerManager.RefreshFullItem(
item,
new MetadataRefreshOptions(new DirectoryService(_fileSystem))
{
MetadataRefreshMode = MetadataRefreshMode.FullRefresh,
ImageRefreshMode = MetadataRefreshMode.FullRefresh,
ReplaceAllMetadata = true,
ReplaceAllImages = request.ReplaceAllImages,
SearchResult = request
},
CancellationToken.None);
}
/// <summary>
/// Gets the remote image.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>Task{System.Object}.</returns>
private async Task<object> GetRemoteImage(GetRemoteSearchImage request)
{
var urlHash = request.ImageUrl.GetMD5();
var pointerCachePath = GetFullCachePath(urlHash.ToString());
string contentPath;
try
{
contentPath = File.ReadAllText(pointerCachePath);
if (File.Exists(contentPath))
{
return await ResultFactory.GetStaticFileResult(Request, contentPath).ConfigureAwait(false);
}
}
catch (FileNotFoundException)
{
// Means the file isn't cached yet
}
catch (IOException)
{
// Means the file isn't cached yet
}
await DownloadImage(request.ProviderName, request.ImageUrl, urlHash, pointerCachePath).ConfigureAwait(false);
// Read the pointer file again
contentPath = File.ReadAllText(pointerCachePath);
return await ResultFactory.GetStaticFileResult(Request, contentPath).ConfigureAwait(false);
}
/// <summary>
/// Downloads the image.
/// </summary>
/// <param name="providerName">Name of the provider.</param>
/// <param name="url">The URL.</param>
/// <param name="urlHash">The URL hash.</param>
/// <param name="pointerCachePath">The pointer cache path.</param>
/// <returns>Task.</returns>
private async Task DownloadImage(string providerName, string url, Guid urlHash, string pointerCachePath)
{
var result = await _providerManager.GetSearchImage(providerName, url, CancellationToken.None).ConfigureAwait(false);
var ext = result.ContentType.Split('/')[^1];
var fullCachePath = GetFullCachePath(urlHash + "." + ext);
Directory.CreateDirectory(Path.GetDirectoryName(fullCachePath));
var stream = result.Content;
await using (stream.ConfigureAwait(false))
{
var fileStream = new FileStream(
fullCachePath,
FileMode.Create,
FileAccess.Write,
FileShare.Read,
IODefaults.FileStreamBufferSize,
true);
await using (fileStream.ConfigureAwait(false))
{
await stream.CopyToAsync(fileStream).ConfigureAwait(false);
}
}
Directory.CreateDirectory(Path.GetDirectoryName(pointerCachePath));
File.WriteAllText(pointerCachePath, fullCachePath);
}
/// <summary>
/// Gets the full cache path.
/// </summary>
/// <param name="filename">The filename.</param>
/// <returns>System.String.</returns>
private string GetFullCachePath(string filename)
=> Path.Combine(_appPaths.CachePath, "remote-images", filename.Substring(0, 1), filename);
}
}
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