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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| using Microsoft.Extensions.Caching.Memory; | ||
| using Newtonsoft.Json; | ||
| using Newtonsoft.Json.Linq; | ||
| using UmlautAdaptarr.Models; | ||
| using UmlautAdaptarr.Services; | ||
| using UmlautAdaptarr.Utilities; | ||
|
|
||
| namespace UmlautAdaptarr.Providers | ||
| { | ||
| public class ReadarrClient( | ||
| IHttpClientFactory clientFactory, | ||
| IConfiguration configuration, | ||
| CacheService cacheService, | ||
| IMemoryCache cache, | ||
| ILogger<ReadarrClient> logger) : ArrClientBase() | ||
| { | ||
| private readonly string _readarrHost = configuration.GetValue<string>("READARR_HOST") ?? throw new ArgumentException("READARR_HOST environment variable must be set"); | ||
| private readonly string _readarrApiKey = configuration.GetValue<string>("READARR_API_KEY") ?? throw new ArgumentException("READARR_API_KEY environment variable must be set"); | ||
| private readonly string _mediaType = "book"; | ||
|
|
||
| public override async Task<IEnumerable<SearchItem>> FetchAllItemsAsync() | ||
| { | ||
| var httpClient = clientFactory.CreateClient(); | ||
| var items = new List<SearchItem>(); | ||
|
|
||
| try | ||
| { | ||
| var readarrAuthorUrl = $"{_readarrHost}/api/v1/author?apikey={_readarrApiKey}"; | ||
| logger.LogInformation($"Fetching all authors from Readarr: {UrlUtilities.RedactApiKey(readarrAuthorUrl)}"); | ||
| var authorApiResponse = await httpClient.GetStringAsync(readarrAuthorUrl); | ||
| var authors = JsonConvert.DeserializeObject<List<dynamic>>(authorApiResponse); | ||
|
|
||
| if (authors == null) | ||
| { | ||
| logger.LogError($"Readarr authors API request resulted in null"); | ||
| return items; | ||
| } | ||
| logger.LogInformation($"Successfully fetched {authors.Count} authors from Readarr."); | ||
| foreach (var author in authors) | ||
| { | ||
| var authorId = (int)author.id; | ||
|
|
||
| var readarrBookUrl = $"{_readarrHost}/api/v1/book?authorId={authorId}&apikey={_readarrApiKey}"; | ||
|
|
||
| // TODO add caching here | ||
| logger.LogInformation($"Fetching all books from authorId {authorId} from Readarr: {UrlUtilities.RedactApiKey(readarrBookUrl)}"); | ||
| var bookApiResponse = await httpClient.GetStringAsync(readarrBookUrl); | ||
| var books = JsonConvert.DeserializeObject<List<dynamic>>(bookApiResponse); | ||
|
|
||
| if (books == null) | ||
| { | ||
| logger.LogWarning($"Readarr book API request for authorId {authorId} resulted in null"); | ||
| continue; | ||
| } | ||
|
|
||
| logger.LogInformation($"Successfully fetched {books.Count} books for authorId {authorId} from Readarr."); | ||
|
|
||
| // Cache books for 3 minutes | ||
| cache.Set(readarrBookUrl, books, TimeSpan.FromMinutes(3)); | ||
|
|
||
| foreach (var book in books) | ||
| { | ||
| var authorName = (string)author.authorName; | ||
| var bookTitle = GetSearchBookTitle((string)book.title, authorName); | ||
|
|
||
| var expectedTitle = $"{bookTitle} {authorName}"; | ||
|
|
||
| string[]? aliases = null; | ||
|
|
||
| // Abuse externalId to set the search string Readarr uses | ||
| // TODO use own method or rename | ||
| var externalId = expectedTitle.GetReadarrTitleForExternalId(); | ||
|
|
||
| var searchItem = new SearchItem | ||
| ( | ||
| arrId: authorId, | ||
| externalId: externalId, | ||
| title: bookTitle, | ||
| expectedTitle: bookTitle, | ||
| germanTitle: null, | ||
| aliases: aliases, | ||
| mediaType: _mediaType, | ||
| expectedAuthor: authorName | ||
| ); | ||
|
|
||
| items.Add(searchItem); | ||
| } | ||
| } | ||
|
|
||
| logger.LogInformation($"Finished fetching all items from Readarr"); | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| logger.LogError($"Error fetching all authors from Readarr: {ex.Message}"); | ||
| } | ||
|
|
||
| return items; | ||
| } | ||
|
|
||
| // Logic based on https://github.com/Readarr/Readarr/blob/develop/src/NzbDrone.Core/Parser/Parser.cs#L541 | ||
| public static string GetSearchBookTitle(string bookTitle, string authorName) | ||
| { | ||
| // Remove author prefix from title if present, e.g., "Tom Clancy: Ghost Protocol" | ||
| if (!string.IsNullOrEmpty(authorName) && bookTitle.StartsWith($"{authorName}:")) | ||
| { | ||
| bookTitle = bookTitle[(authorName.Length + 1)..].Trim(); | ||
| } | ||
|
|
||
| // Remove subtitles or additional info enclosed in parentheses or following a colon, if any | ||
| int firstParenthesisIndex = bookTitle.IndexOf('('); | ||
| int firstColonIndex = bookTitle.IndexOf(':'); | ||
|
|
||
| if (firstParenthesisIndex > -1) | ||
| { | ||
| int endParenthesisIndex = bookTitle.IndexOf(')', firstParenthesisIndex); | ||
| if (endParenthesisIndex > -1 && bookTitle.Substring(firstParenthesisIndex + 1, endParenthesisIndex - firstParenthesisIndex - 1).Contains(' ')) | ||
| { | ||
| bookTitle = bookTitle[..firstParenthesisIndex].Trim(); | ||
| } | ||
| } | ||
| else if (firstColonIndex > -1) | ||
| { | ||
| bookTitle = bookTitle[..firstColonIndex].Trim(); | ||
| } | ||
|
|
||
| return bookTitle; | ||
| } | ||
|
|
||
|
|
||
| public override async Task<SearchItem?> FetchItemByExternalIdAsync(string externalId) | ||
| { | ||
| try | ||
| { | ||
| // For now we have to fetch all items every time | ||
| // TODO if possible look at the author in search query and only update for author | ||
| var searchItems = await FetchAllItemsAsync(); | ||
| foreach (var searchItem in searchItems ?? []) | ||
| { | ||
| try | ||
| { | ||
| cacheService.CacheSearchItem(searchItem); | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| logger.LogError(ex, $"An error occurred while caching search item with ID {searchItem.ArrId}."); | ||
| } | ||
| } | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| logger.LogError($"Error fetching single author from Readarr: {ex.Message}"); | ||
| } | ||
|
|
||
| return null; | ||
| } | ||
|
|
||
| public override async Task<SearchItem?> FetchItemByTitleAsync(string title) | ||
| { | ||
| try | ||
| { | ||
| // this should never be called at the moment | ||
| throw new NotImplementedException(); | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| logger.LogError($"Error fetching single author from Readarr: {ex.Message}"); | ||
| } | ||
|
|
||
| return null; | ||
| } | ||
| } | ||
| } |
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