321 lines
13 KiB
C#
321 lines
13 KiB
C#
using System.Net;
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using System.Text.RegularExpressions;
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using AnimeAnnouncer.Cache;
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using Microsoft.AspNetCore.Mvc.RazorPages;
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namespace AnimeAnnouncer.Web.Pages;
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public class IndexModel : PageModel
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{
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private readonly ILogger<IndexModel> _logger;
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private readonly TMDBCache? _tmdbCache;
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public List<AiringShowViewModel> AiringShows { get; set; } = new();
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public string? ErrorMessage { get; set; }
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public IndexModel(ILogger<IndexModel> logger, IServiceProvider serviceProvider)
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{
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_logger = logger;
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_tmdbCache = serviceProvider.GetService<TMDBCache>();
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}
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public async Task OnGetAsync()
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{
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if (_tmdbCache == null)
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{
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ErrorMessage = "Redis cache connection is not configured or unavailable.";
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return;
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}
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try
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{
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List<AiringSoonItem>? airingList = await _tmdbCache.GetAiringList();
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if (airingList == null || airingList.Count == 0)
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{
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AiringShows = new List<AiringShowViewModel>();
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return;
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}
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var viewModels = new List<AiringShowViewModel>();
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foreach (var airingItem in airingList)
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{
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TMDBCacheItem? cacheItem = null;
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try
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{
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cacheItem = await _tmdbCache.GetCacheItem<TMDBCacheItem>($"ShowCache-{airingItem.Title}");
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to retrieve cache item for title: {Title}", airingItem.Title);
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}
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// The announcer stores Anilist details under a parallel key using the same
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// title, so the two caches line up one-to-one when Anilist was consulted.
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AnilistCacheItem? anilistItem = null;
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try
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{
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anilistItem = await _tmdbCache.GetCacheItem<AnilistCacheItem>($"AnilistCache-{airingItem.Title}");
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to retrieve Anilist cache item for title: {Title}", airingItem.Title);
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}
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viewModels.Add(new AiringShowViewModel
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{
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AiringSoon = airingItem,
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CachedDetails = cacheItem,
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AnilistDetails = anilistItem
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});
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}
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// Exclude placeholder/sentinel last-air-dates (e.g. DateTime.MaxValue == 12/31/9999,
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// used by the announcer when an exact air date is unknown), then sort descending
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// by LastAirDate (nulls last).
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var displayable = viewModels.Where(x =>
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{
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var date = x.EffectiveLastAirDate;
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// Keep items with a real, displayable date; drop the MaxValue sentinel.
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return !date.HasValue || date.Value < DateTime.MaxValue.AddMonths(-1);
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}).ToList();
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AiringShows = displayable
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.Where(x => x.EffectiveLastAirDate.HasValue && x.EffectiveLastAirDate.Value.Date >= DateTime.Now.Date)
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.OrderBy(x => x.EffectiveLastAirDate)
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.ThenBy(x => x.Title)
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.ToList();
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Error loading airing soon list");
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ErrorMessage = $"Unable to load airing soon list: {ex.Message}";
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}
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}
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public class ShowImage
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{
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public required string Url { get; set; }
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public required string Label { get; set; }
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public required string Source { get; set; }
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}
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public class AiringShowViewModel
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{
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private static readonly Regex HtmlTagPattern = new("<[^>]+>", RegexOptions.Compiled);
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public required AiringSoonItem AiringSoon { get; set; }
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public TMDBCacheItem? CachedDetails { get; set; }
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public AnilistCacheItem? AnilistDetails { get; set; }
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public string Title => AiringSoon.Title;
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public int ShowID => AiringSoon.ShowID;
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public DateTime? EffectiveLastAirDate => AiringSoon.LastAirDate ?? CachedDetails?.LastAirDate;
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public int LatestEpisodeNumber => AiringSoon.LatestEpisodeNumber > 0
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? AiringSoon.LatestEpisodeNumber
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: (CachedDetails?.LatestEpisodeNumber ?? 0);
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public int? LastEpisodeNumber => CachedDetails?.LastEpisodeNumber;
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public int? LatestSeasonNumber => CachedDetails?.LatestSeasonNumber;
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public int? LatestOrdinalEpisodeNumber => CachedDetails?.LatestOrdinalEpisodeNumber;
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public double? VoteAverage => CachedDetails?.VoteAverage;
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// --- Anilist ---------------------------------------------------------
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public bool HasAnilist => AnilistDetails != null;
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public int? AnilistShowID => AnilistDetails?.ShowID;
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public string? AnilistUrl => AnilistShowID.HasValue ? $"https://anilist.co/anime/{AnilistShowID}" : null;
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/// <summary>Anilist's 0-100 score, rescaled to the 0-10 range TMDB uses.</summary>
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public double? AnilistScore => AnilistDetails?.AverageScore.HasValue == true
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? AnilistDetails.AverageScore!.Value / 10.0
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: null;
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public string? AnilistStatus => string.IsNullOrWhiteSpace(AnilistDetails?.Status)
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? null
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// Anilist statuses arrive as enum names like RELEASING / NOT_YET_RELEASED.
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: string.Join(' ', AnilistDetails.Status.Split('_', StringSplitOptions.RemoveEmptyEntries)
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.Select(word => char.ToUpperInvariant(word[0]) + word[1..].ToLowerInvariant()));
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public int? SeasonYear => AnilistDetails?.SeasonYear;
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/// <summary>Total episode count, preferring Anilist which the announcer treats as more reliable.</summary>
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public int? TotalEpisodes => AnilistDetails?.Episodes ?? (LastEpisodeNumber > 0 ? LastEpisodeNumber : null);
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/// <summary>Alternate titles worth showing, i.e. anything that is not just the display title again.</summary>
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public List<string> AlternateTitles
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{
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get
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{
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var candidates = new[] { AnilistDetails?.RomajiTitle, AnilistDetails?.NativeTitle, AnilistDetails?.EnglishTitle };
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return candidates
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.Where(t => !string.IsNullOrWhiteSpace(t))
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.Select(t => t!.Trim())
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.Where(t => !string.Equals(t, Title, StringComparison.OrdinalIgnoreCase))
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.Distinct(StringComparer.OrdinalIgnoreCase)
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.ToList();
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}
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}
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// --- Genres & tags ---------------------------------------------------
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/// <summary>How many tags are shown before the rest are tucked behind a "more" toggle.</summary>
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public const int VisibleTagCount = 10;
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/// <summary>
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/// Genres from both sources, AniList first. TMDB's "Animation" genre is dropped since every
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/// show on this page is anime, so it carries no information.
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/// </summary>
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public List<string> Genres => MergeDistinct(AnilistDetails?.Genres, CachedDetails?.Genres)
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.Where(g => !string.Equals(g, "Animation", StringComparison.OrdinalIgnoreCase))
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.ToList();
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/// <summary>AniList tags followed by TMDB keywords, minus anything already listed as a genre.</summary>
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public List<string> Tags
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{
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get
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{
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var genres = new HashSet<string>(Genres, StringComparer.OrdinalIgnoreCase);
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return MergeDistinct(AnilistDetails?.Tags, CachedDetails?.Keywords)
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.Where(t => !genres.Contains(t))
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.ToList();
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}
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}
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public List<string> VisibleTags => Tags.Take(VisibleTagCount).ToList();
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public List<string> OverflowTags => Tags.Skip(VisibleTagCount).ToList();
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private static IEnumerable<string> MergeDistinct(params IEnumerable<string>?[] sources) =>
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sources
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.Where(s => s != null)
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.SelectMany(s => s!)
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.Where(s => !string.IsNullOrWhiteSpace(s))
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.Select(s => s.Trim())
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.Distinct(StringComparer.OrdinalIgnoreCase);
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/// <summary>Anilist descriptions are HTML fragments; flatten them to plain text for display.</summary>
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public string? AnilistDescription
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{
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get
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{
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if (string.IsNullOrWhiteSpace(AnilistDetails?.Description))
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return null;
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var text = AnilistDetails.Description
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.Replace("<br>", " ", StringComparison.OrdinalIgnoreCase)
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.Replace("<br/>", " ", StringComparison.OrdinalIgnoreCase)
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.Replace("<br />", " ", StringComparison.OrdinalIgnoreCase);
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text = WebUtility.HtmlDecode(HtmlTagPattern.Replace(text, string.Empty));
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text = Regex.Replace(text, @"\s{2,}", " ").Trim();
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return string.IsNullOrWhiteSpace(text) ? null : text;
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}
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}
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public string? Overview => !string.IsNullOrWhiteSpace(CachedDetails?.LatestSeasonOverview)
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? CachedDetails.LatestSeasonOverview
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: (!string.IsNullOrWhiteSpace(CachedDetails?.Overview) ? CachedDetails.Overview : AnilistDescription);
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/// <summary>True when <see cref="Overview"/> describes the current season rather than the series.</summary>
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public bool OverviewIsSeasonSpecific => !string.IsNullOrWhiteSpace(CachedDetails?.LatestSeasonOverview);
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// --- Artwork ---------------------------------------------------------
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public string? SeasonPosterUrl => Clean(CachedDetails?.LatestSeasonPosterPath);
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public string? ShowPosterUrl => Clean(CachedDetails?.PosterPath);
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public string? BackdropUrl => Clean(CachedDetails?.BackdropPath);
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public string? AnilistCoverUrl => Clean(AnilistDetails?.CoverImageUrl);
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public string? AnilistBannerUrl => Clean(AnilistDetails?.BannerImageUrl);
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/// <summary>The tall artwork shown alongside the entry; the season's own poster wins when present.</summary>
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public string? PosterUrl => SeasonPosterUrl ?? ShowPosterUrl ?? AnilistCoverUrl;
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/// <summary>The wide artwork used as the row background.</summary>
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public string? HeroImageUrl => BackdropUrl ?? AnilistBannerUrl;
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/// <summary>Every distinct piece of artwork, for the secondary thumbnail strip.</summary>
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public List<ShowImage> Gallery
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{
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get
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{
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var images = new List<ShowImage>();
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void Add(string? url, string label, string source)
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{
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if (string.IsNullOrWhiteSpace(url))
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return;
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if (images.Any(i => string.Equals(i.Url, url, StringComparison.OrdinalIgnoreCase)))
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return;
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images.Add(new ShowImage { Url = url, Label = label, Source = source });
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}
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// The primary poster is already displayed beside the row, so start after it.
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Add(SeasonPosterUrl, $"Season {LatestSeasonNumber} poster", "TMDB");
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Add(ShowPosterUrl, "Series poster", "TMDB");
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Add(AnilistCoverUrl, "Cover art", "AniList");
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Add(BackdropUrl, "Backdrop", "TMDB");
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Add(AnilistBannerUrl, "Banner", "AniList");
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return images;
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}
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}
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/// <summary>Gallery entries other than the one already shown as the main poster.</summary>
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public List<ShowImage> SecondaryImages =>
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Gallery.Where(i => !string.Equals(i.Url, PosterUrl, StringComparison.OrdinalIgnoreCase)).ToList();
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// --- Air dates -------------------------------------------------------
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public DateTime AirReferenceNow => DateTime.Now;
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public bool IsFuture
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{
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get
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{
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var date = EffectiveLastAirDate;
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return date.HasValue && date.Value > AirReferenceNow;
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}
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}
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public int DaysUntil
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{
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get
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{
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var date = EffectiveLastAirDate;
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if (!date.HasValue)
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return 0;
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return (int)((date.Value - AirReferenceNow).Ticks / TimeSpan.FromDays(1).Ticks);
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}
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}
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public string AirDateFormatted
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{
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get
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{
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var date = EffectiveLastAirDate;
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return date.HasValue ? date.Value.ToString("MM/dd/yyyy") : "Unknown";
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}
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}
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public string? AirDateLongFormatted => EffectiveLastAirDate?.ToString("dddd, MMMM d, yyyy");
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/// <summary>How far into the season the latest aired episode sits, as a percentage.</summary>
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public int? EpisodeProgressPercent
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{
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get
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{
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var total = TotalEpisodes;
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if (!total.HasValue || total.Value <= 0 || LatestEpisodeNumber <= 0)
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return null;
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return (int)Math.Round(Math.Clamp(LatestEpisodeNumber / (double)total.Value, 0, 1) * 100);
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}
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}
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/// <summary>True when the upcoming episode is the last one of the season.</summary>
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public bool IsFinaleNext => TotalEpisodes.HasValue && LatestEpisodeNumber > 0 && LatestEpisodeNumber >= TotalEpisodes.Value;
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private static string? Clean(string? value) => string.IsNullOrWhiteSpace(value) ? null : value.Trim();
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}
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}
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