C# BaseItem.SetProviderId方法代码示例

        public override async Task<bool> FetchAsync(BaseItem item, bool force, BaseProviderInfo providerInfo, CancellationToken cancellationToken)
        {
            var releaseId = item.GetProviderId(MetadataProviders.Musicbrainz);
            var releaseGroupId = item.GetProviderId(MetadataProviders.MusicBrainzReleaseGroup);

            if (string.IsNullOrEmpty(releaseId))
            {
                var result = await GetReleaseResult((MusicAlbum)item, cancellationToken).ConfigureAwait(false);

                if (!string.IsNullOrEmpty(result.ReleaseId))
                {
                    releaseId = result.ReleaseId;
                    item.SetProviderId(MetadataProviders.Musicbrainz, releaseId);
                }

                if (!string.IsNullOrEmpty(result.ReleaseGroupId))
                {
                    releaseGroupId = result.ReleaseGroupId;
                    item.SetProviderId(MetadataProviders.MusicBrainzReleaseGroup, releaseGroupId);
                }
            }

            // If we have a release Id but not a release group Id...
            if (!string.IsNullOrEmpty(releaseId) && string.IsNullOrEmpty(releaseGroupId))
            {
                releaseGroupId = await GetReleaseGroupId(releaseId, cancellationToken).ConfigureAwait(false);

                item.SetProviderId(MetadataProviders.MusicBrainzReleaseGroup, releaseGroupId);
            }

            SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
            return true;
        }

        public static void ProcessAlbumData(BaseItem item, LastfmAlbum data)
        {
            if (!string.IsNullOrWhiteSpace(data.mbid)) item.SetProviderId(MetadataProviders.Musicbrainz, data.mbid);

            var overview = data.wiki != null ? data.wiki.content : null;

            item.Overview = overview;

            DateTime release;
            DateTime.TryParse(data.releasedate, out release);
            item.PremiereDate = release;
            item.ProductionYear = release.Year;
            if (data.toptags != null)
            {
                AddTags(item, data.toptags);
            }
        }

        public override Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
        {
            cancellationToken.ThrowIfCancellationRequested();

            var entry = item.ResolveArgs.GetMetaFileByPath(Path.Combine(item.MetaLocation, LastfmHelper.LocalArtistMetaFileName));
            if (entry != null)
            {
                // read in our saved meta and pass to processing function
                var data = JsonSerializer.DeserializeFromFile<LastfmArtist>(entry.FullName);

                cancellationToken.ThrowIfCancellationRequested();

                LastfmHelper.ProcessArtistData(item, data);

                item.SetProviderId(MetadataProviders.Musicbrainz, data.mbid);

                SetLastRefreshed(item, DateTime.UtcNow);
                return TrueTaskResult;
            }
            return FalseTaskResult;
        }

        /// <summary>
        /// Processes the main info.
        /// </summary>
        /// <param name="movie">The movie.</param>
        /// <param name="movieData">The movie data.</param>
        protected virtual void ProcessMainInfo(BaseItem movie, CompleteMovieData movieData)
        {
            if (movie != null && movieData != null)
            {
                if (!movie.LockedFields.Contains(MetadataFields.Name))
                {
                    movie.Name = movieData.title ?? movieData.original_title ?? movie.Name;
                }
                if (!movie.LockedFields.Contains(MetadataFields.Overview))
                {
                    movie.Overview = WebUtility.HtmlDecode(movieData.overview);
                }
                movie.Overview = movie.Overview != null ? movie.Overview.Replace("\n\n", "\n") : null;
                movie.HomePageUrl = movieData.homepage;
                movie.Budget = movieData.budget;
                movie.Revenue = movieData.revenue;

                if (!string.IsNullOrEmpty(movieData.tagline))
                {
                    movie.Taglines.Clear();
                    movie.AddTagline(movieData.tagline);
                }

                movie.SetProviderId(MetadataProviders.Imdb, movieData.imdb_id);

                if (movieData.belongs_to_collection != null)
                {
                    movie.SetProviderId(MetadataProviders.TmdbCollection, movieData.belongs_to_collection.id.ToString(CultureInfo.InvariantCulture));
                }

                float rating;
                string voteAvg = movieData.vote_average.ToString(CultureInfo.InvariantCulture);

                //tmdb appears to have unified their numbers to always report "7.3" regardless of country
                // so I removed the culture-specific processing here because it was not working for other countries -ebr
                if (float.TryParse(voteAvg, NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out rating))
                    movie.CommunityRating = rating;

                movie.VoteCount = movieData.vote_count;

                //release date and certification are retrieved based on configured country and we fall back on US if not there and to minimun release date if still no match
                if (movieData.releases != null && movieData.releases.countries != null)
                {
                    var ourRelease = movieData.releases.countries.FirstOrDefault(c => c.iso_3166_1.Equals(ConfigurationManager.Configuration.MetadataCountryCode, StringComparison.OrdinalIgnoreCase)) ?? new Country();
                    var usRelease = movieData.releases.countries.FirstOrDefault(c => c.iso_3166_1.Equals("US", StringComparison.OrdinalIgnoreCase)) ?? new Country();
                    var minimunRelease = movieData.releases.countries.OrderBy(c => c.release_date).FirstOrDefault() ?? new Country();
                    var ratingPrefix = ConfigurationManager.Configuration.MetadataCountryCode.Equals("us", StringComparison.OrdinalIgnoreCase) ? "" : ConfigurationManager.Configuration.MetadataCountryCode + "-";
                    movie.OfficialRating = !string.IsNullOrEmpty(ourRelease.certification)
                                               ? ratingPrefix + ourRelease.certification
                                               : !string.IsNullOrEmpty(usRelease.certification)
                                                     ? usRelease.certification
                                                     : !string.IsNullOrEmpty(minimunRelease.certification)
                                                           ? minimunRelease.iso_3166_1 + "-" + minimunRelease.certification
                                                           : null;

                    if (ourRelease.release_date != default(DateTime))
                    {
                        if (ourRelease.release_date.Year != 1)
                        {
                            movie.PremiereDate = ourRelease.release_date.ToUniversalTime();
                            movie.ProductionYear = ourRelease.release_date.Year;
                        }
                    }
                    else if (usRelease.release_date != default(DateTime))
                    {
                        if (usRelease.release_date.Year != 1)
                        {
                            movie.PremiereDate = usRelease.release_date.ToUniversalTime();
                            movie.ProductionYear = usRelease.release_date.Year;
                        }
                    }
                    else if (minimunRelease.release_date != default(DateTime))
                    {
                        if (minimunRelease.release_date.Year != 1)
                        {

                            movie.PremiereDate = minimunRelease.release_date.ToUniversalTime();
                            movie.ProductionYear = minimunRelease.release_date.Year;
                        }
                    }
                }
                else
                {
                    if (movieData.release_date.Year != 1)
                    {
                        //no specific country release info at all
                        movie.PremiereDate = movieData.release_date.ToUniversalTime();
                        movie.ProductionYear = movieData.release_date.Year;
                    }
                }

                //if that didn't find a rating and we are a boxset, use the one from our first child
                if (movie.OfficialRating == null && movie is BoxSet)
                {
                    var boxset = movie as BoxSet;
//.........这里部分代码省略.........

        /// <summary>
        /// Fetches the movie data.
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="id">The id.</param>
        /// <param name="cancellationToken">The cancellation token</param>
        /// <returns>Task.</returns>
        protected async Task FetchMovieData(BaseItem item, string id, CancellationToken cancellationToken)
        {
            cancellationToken.ThrowIfCancellationRequested();

            if (String.IsNullOrEmpty(id))
            {
                Logger.Info("MoviedbProvider: Ignoring " + item.Name + " because ID forced blank.");
                return;
            }
            
            item.SetProviderId(MetadataProviders.Tmdb, id);

            var mainResult = await FetchMainResult(item, id, cancellationToken).ConfigureAwait(false);

            if (mainResult == null) return;

            ProcessMainInfo(item, mainResult);
        }

        public async Task Fetch(BaseItem item, string imdbId, string language, CancellationToken cancellationToken)
        {
            if (string.IsNullOrWhiteSpace(imdbId))
            {
                throw new ArgumentNullException("imdbId");
            }

            var imdbParam = imdbId.StartsWith("tt", StringComparison.OrdinalIgnoreCase) ? imdbId : "tt" + imdbId;

            var url = string.Format("http://www.omdbapi.com/?i={0}&tomatoes=true", imdbParam);

            using (var stream = await _httpClient.Get(new HttpRequestOptions
            {
                Url = url,
                ResourcePool = ResourcePool,
                CancellationToken = cancellationToken,
                CacheMode = CacheMode.Unconditional,
                CacheLength = TimeSpan.FromDays(7)

            }).ConfigureAwait(false))
            {
                var result = _jsonSerializer.DeserializeFromStream<RootObject>(stream);

                // Only take the name if the user's language is set to english, since Omdb has no localization
                if (string.Equals(language, "en", StringComparison.OrdinalIgnoreCase))
                {
                    item.Name = result.Title;
                }

                int year;

                if (!string.IsNullOrEmpty(result.Year)
                    && int.TryParse(result.Year, NumberStyles.Number, _usCulture, out year)
                    && year >= 0)
                {
                    item.ProductionYear = year;
                }

                item.OfficialRating = result.Rated;


                var hasCriticRating = item as IHasCriticRating;
                if (hasCriticRating != null)
                {
                    // Seeing some bogus RT data on omdb for series, so filter it out here
                    // RT doesn't even have tv series
                    int tomatoMeter;

                    if (!string.IsNullOrEmpty(result.tomatoMeter)
                        && int.TryParse(result.tomatoMeter, NumberStyles.Integer, _usCulture, out tomatoMeter)
                        && tomatoMeter >= 0)
                    {
                        hasCriticRating.CriticRating = tomatoMeter;
                    }

                    if (!string.IsNullOrEmpty(result.tomatoConsensus)
                        && !string.Equals(result.tomatoConsensus, "n/a", StringComparison.OrdinalIgnoreCase)
                        && !string.Equals(result.tomatoConsensus, "No consensus yet.", StringComparison.OrdinalIgnoreCase))
                    {
                        hasCriticRating.CriticRatingSummary = WebUtility.HtmlDecode(result.tomatoConsensus);
                    }
                }

                int voteCount;

                if (!string.IsNullOrEmpty(result.imdbVotes)
                    && int.TryParse(result.imdbVotes, NumberStyles.Number, _usCulture, out voteCount)
                    && voteCount >= 0)
                {
                    item.VoteCount = voteCount;
                }

                float imdbRating;

                if (!string.IsNullOrEmpty(result.imdbRating)
                    && float.TryParse(result.imdbRating, NumberStyles.Any, _usCulture, out imdbRating)
                    && imdbRating >= 0)
                {
                    item.CommunityRating = imdbRating;
                }

                if (!string.IsNullOrEmpty(result.Website)
                        && !string.Equals(result.Website, "n/a", StringComparison.OrdinalIgnoreCase))
                {
                    item.HomePageUrl = result.Website;
                }

                if (!string.IsNullOrWhiteSpace(result.imdbID)
                        && !string.Equals(result.imdbID, "n/a", StringComparison.OrdinalIgnoreCase))
                {
                    item.SetProviderId(MetadataProviders.Imdb, result.imdbID);
                }

                ParseAdditionalMetadata(item, result);
            }
        }

        public static void ProcessAlbumData(BaseItem item, LastfmAlbum data)
        {
            if (!string.IsNullOrWhiteSpace(data.mbid)) item.SetProviderId(MetadataProviders.Musicbrainz, data.mbid);

            var overview = data.wiki != null ? data.wiki.content : null;

            if (!item.LockedFields.Contains(MetadataFields.Overview))
            {
                item.Overview = overview;
            }

            DateTime release;

            if (DateTime.TryParse(data.releasedate, out release) && release.Year != 1901)
            {
                item.PremiereDate = release;
                item.ProductionYear = release.Year;
            }

            if (data.toptags != null && !item.LockedFields.Contains(MetadataFields.Tags))
            {
                AddTags(item, data.toptags);
            }

            var album = (MusicAlbum)item;

            string imageSize;

            album.LastFmImageUrl = GetImageUrl(data, out imageSize);
            album.LastFmImageSize = imageSize;
        }

        /// <summary>
        /// Fetches the items data.
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="cancellationToken"></param>
        /// <returns>Task.</returns>
        protected virtual async Task FetchData(BaseItem item, bool force, CancellationToken cancellationToken)
        {
            var id = item.GetProviderId(MetadataProviders.Musicbrainz) ?? await FindId(item, cancellationToken).ConfigureAwait(false);
            if (!string.IsNullOrWhiteSpace(id))
            {
                Logger.Debug("LastfmProvider - getting info for {0}", item.Name);

                cancellationToken.ThrowIfCancellationRequested();

                item.SetProviderId(MetadataProviders.Musicbrainz, id);

                await FetchLastfmData(item, id, force, cancellationToken).ConfigureAwait(false);
            }
            else
            {
                Logger.Info("LastfmProvider could not find " + item.Name + ". Check name on Last.fm.");
            }

        }

        /// <summary>
        /// Fetches metadata and returns true or false indicating if any work that requires persistence was done
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="force">if set to <c>true</c> [force].</param>
        /// <param name="cancellationToken">The cancellation token</param>
        /// <returns>Task{System.Boolean}.</returns>
        public override async Task<bool> FetchAsync(BaseItem item, bool force, BaseProviderInfo providerInfo, CancellationToken cancellationToken)
        {
            cancellationToken.ThrowIfCancellationRequested();

            var id = item.GetProviderId(MetadataProviders.Musicbrainz) ?? await FindId(item, cancellationToken).ConfigureAwait(false);
            
            if (!string.IsNullOrWhiteSpace(id))
            {
                cancellationToken.ThrowIfCancellationRequested();

                item.SetProviderId(MetadataProviders.Musicbrainz, id);

                await FetchLastfmData(item, id, force, cancellationToken).ConfigureAwait(false);
            }

            SetLastRefreshed(item, DateTime.UtcNow, providerInfo);
            return true;
        }

        /// <summary>
        /// Fetches the movie data.
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="id">The id.</param>
        /// <param name="cancellationToken">The cancellation token</param>
        /// <returns>Task.</returns>
        protected async Task FetchMovieData(BaseItem item, string id, CancellationToken cancellationToken)
        {
            cancellationToken.ThrowIfCancellationRequested();

            if (String.IsNullOrEmpty(id))
            {
                Logger.Info("MoviedbProvider: Ignoring " + item.Name + " because ID forced blank.");
                return;
            }
            if (item.GetProviderId(MetadataProviders.Tmdb) == null) item.SetProviderId(MetadataProviders.Tmdb, id);

            var mainResult = await FetchMainResult(item, id, cancellationToken).ConfigureAwait(false);

            if (mainResult == null) return;

            ProcessMainInfo(item, mainResult);

            cancellationToken.ThrowIfCancellationRequested();

            //and save locally
            if (ConfigurationManager.Configuration.SaveLocalMeta && item.LocationType == LocationType.FileSystem)
            {
                var ms = new MemoryStream();
                JsonSerializer.SerializeToStream(mainResult, ms);

                cancellationToken.ThrowIfCancellationRequested();

                await ProviderManager.SaveToLibraryFilesystem(item, Path.Combine(item.MetaLocation, LocalMetaFileName), ms, cancellationToken).ConfigureAwait(false);
            }
        }

        /// <summary>
        /// Processes the main info.
        /// </summary>
        /// <param name="movie">The movie.</param>
        /// <param name="movieData">The movie data.</param>
        private void ProcessMainInfo(BaseItem movie, CompleteMovieData movieData)
        {
            if (!movie.LockedFields.Contains(MetadataFields.Name))
            {
                movie.Name = movieData.title ?? movieData.original_title ?? movieData.name ?? movie.Name;
            }
            if (!movie.LockedFields.Contains(MetadataFields.Overview))
            {
                // Bug in Mono: WebUtility.HtmlDecode should return null if the string is null but in Mono it generate an System.ArgumentNullException.
                movie.Overview = movieData.overview != null ? WebUtility.HtmlDecode(movieData.overview) : null;
                movie.Overview = movie.Overview != null ? movie.Overview.Replace("\n\n", "\n") : null;
            }
            movie.HomePageUrl = movieData.homepage;

            var hasBudget = movie as IHasBudget;
            if (hasBudget != null)
            {
                hasBudget.Budget = movieData.budget;
                hasBudget.Revenue = movieData.revenue;
            }

            if (!string.IsNullOrEmpty(movieData.tagline))
            {
                var hasTagline = movie as IHasTaglines;
                if (hasTagline != null)
                {
                    hasTagline.Taglines.Clear();
                    hasTagline.AddTagline(movieData.tagline);
                }
            }

            movie.SetProviderId(MetadataProviders.Tmdb, movieData.id.ToString(_usCulture));
            movie.SetProviderId(MetadataProviders.Imdb, movieData.imdb_id);

            if (movieData.belongs_to_collection != null)
            {
                movie.SetProviderId(MetadataProviders.TmdbCollection,
                                    movieData.belongs_to_collection.id.ToString(CultureInfo.InvariantCulture));

                var movieItem = movie as Movie;

                if (movieItem != null)
                {
                    movieItem.TmdbCollectionName = movieData.belongs_to_collection.name;
                }
            }
            else
            {
                movie.SetProviderId(MetadataProviders.TmdbCollection, null); // clear out any old entry
            }

            float rating;
            string voteAvg = movieData.vote_average.ToString(CultureInfo.InvariantCulture);

            // tmdb appears to have unified their numbers to always report "7.3" regardless of country
            // so I removed the culture-specific processing here because it was not working for other countries -ebr
            // Movies get this from imdb
            if (!(movie is Movie) && float.TryParse(voteAvg, NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out rating))
            {
                movie.CommunityRating = rating;
            }

            // Movies get this from imdb
            if (!(movie is Movie))
            {
                movie.VoteCount = movieData.vote_count;
            }

            var preferredCountryCode = movie.GetPreferredMetadataCountryCode();

            //release date and certification are retrieved based on configured country and we fall back on US if not there and to minimun release date if still no match
            if (movieData.releases != null && movieData.releases.countries != null)
            {
                var ourRelease = movieData.releases.countries.FirstOrDefault(c => c.iso_3166_1.Equals(preferredCountryCode, StringComparison.OrdinalIgnoreCase)) ?? new Country();
                var usRelease = movieData.releases.countries.FirstOrDefault(c => c.iso_3166_1.Equals("US", StringComparison.OrdinalIgnoreCase)) ?? new Country();
                var minimunRelease = movieData.releases.countries.OrderBy(c => c.release_date).FirstOrDefault() ?? new Country();

                if (!movie.LockedFields.Contains(MetadataFields.OfficialRating))
                {
                    var ratingPrefix = string.Equals(preferredCountryCode, "us", StringComparison.OrdinalIgnoreCase) ? "" : preferredCountryCode + "-";
                    movie.OfficialRating = !string.IsNullOrEmpty(ourRelease.certification)
                                               ? ratingPrefix + ourRelease.certification
                                               : !string.IsNullOrEmpty(usRelease.certification)
                                                     ? usRelease.certification
                                                     : !string.IsNullOrEmpty(minimunRelease.certification)
                                                           ? minimunRelease.iso_3166_1 + "-" + minimunRelease.certification
                                                           : null;
                }
            }

            if (movieData.release_date.Year != 1)
            {
                //no specific country release info at all
                movie.PremiereDate = movieData.release_date.ToUniversalTime();
                movie.ProductionYear = movieData.release_date.Year;
//.........这里部分代码省略.........

        private async Task FetchRottenTomatoesId(BaseItem item, string apiKey, CancellationToken cancellationToken)
        {
            var imdbId = item.GetProviderId(MetadataProviders.Imdb);

            RequestHistory.Add(DateTime.UtcNow);

            // Have IMDB Id
            using (var stream = await _httpClient.Get(new HttpRequestOptions
            {
                Url = GetMovieImdbUrl(imdbId, apiKey),
                ResourcePool = _rottenTomatoesResourcePool,
                CancellationToken = cancellationToken

            }).ConfigureAwait(false))
            {
                var hit = _jsonSerializer.DeserializeFromStream<RTMovieSearchResult>(stream);

                if (!string.IsNullOrEmpty(hit.id))
                {
                    // Got a result
                    item.CriticRatingSummary = hit.critics_consensus;

                    var rating = float.Parse(hit.ratings.critics_score);

                    if (rating > 0)
                    {
                        item.CriticRating = rating;
                    }

                    item.SetProviderId(RottenTomatoesExternalId.KeyName, hit.id);
                }
            }
        }

        private void DeserializeProviderIds(string value, BaseItem item)
        {
            if (string.IsNullOrWhiteSpace(value))
            {
                return;
            }

            if (item.ProviderIds.Count > 0)
            {
                return;
            }

            var parts = value.Split(new[] { '|' }, StringSplitOptions.RemoveEmptyEntries);

            foreach (var part in parts)
            {
                var idParts = part.Split('=');

                item.SetProviderId(idParts[0], idParts[1]);
            }
        }

        /// <summary>
        /// Fetches metadata and returns true or false indicating if any work that requires persistence was done
        /// </summary>
        /// <param name="item">The item.</param>
        /// <param name="force">if set to <c>true</c> [force].</param>
        /// <param name="cancellationToken">The cancellation token</param>
        /// <returns>Task{System.Boolean}.</returns>
        public override async Task<bool> FetchAsync(BaseItem item, bool force, CancellationToken cancellationToken)
        {
            cancellationToken.ThrowIfCancellationRequested();

            var id = item.GetProviderId(MetadataProviders.Tmdb);

            if (string.IsNullOrEmpty(id))
            {
                id = item.GetProviderId(MetadataProviders.Imdb);
            }

            if (string.IsNullOrEmpty(id))
            {
                id = await FindId(item, cancellationToken).ConfigureAwait(false);

                if (!string.IsNullOrEmpty(id))
                {
                    item.SetProviderId(MetadataProviders.Tmdb, id);
                }
            }

            if (!string.IsNullOrEmpty(id))
            {
                cancellationToken.ThrowIfCancellationRequested();

                await FetchMovieData(item, id, force, cancellationToken).ConfigureAwait(false);
            }

            SetLastRefreshed(item, DateTime.UtcNow);
            return true;
        }