109 lines
3.8 KiB
C#
109 lines
3.8 KiB
C#
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using IF.Lastfm.Core.Api;
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using IF.Lastfm.Core.Api.Helpers;
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using IF.Lastfm.Core.Objects;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.Abstractions;
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using Selector.Model;
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using Selector.Operations;
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using SpotifyAPI.Web;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Selector
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{
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public class ScrobbleMapperConfig
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{
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public TimeSpan InterRequestDelay { get; set; }
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public TimeSpan Timeout { get; set; } = new TimeSpan(0, 20, 0);
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public int SimultaneousConnections { get; set; } = 3;
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public int? Limit { get; set; } = null;
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public bool Tracks { get; set; } = false;
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public bool Albums { get; set; } = false;
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public bool Artists { get; set; } = false;
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}
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public class ScrobbleMapper
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{
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private readonly ILogger<ScrobbleMapper> logger;
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private readonly ILoggerFactory loggerFactory;
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private readonly ISearchClient searchClient;
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private readonly ScrobbleMapperConfig config;
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private readonly IScrobbleRepository scrobbleRepo;
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private readonly IScrobbleMappingRepository mappingRepo;
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public ScrobbleMapper(ISearchClient _searchClient, ScrobbleMapperConfig _config, IScrobbleRepository _scrobbleRepository, IScrobbleMappingRepository _scrobbleMappingRepository, ILogger<ScrobbleMapper> _logger, ILoggerFactory _loggerFactory = null)
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{
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searchClient = _searchClient;
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config = _config;
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scrobbleRepo = _scrobbleRepository;
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mappingRepo = _scrobbleMappingRepository;
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logger = _logger;
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loggerFactory = _loggerFactory;
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}
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public async Task Execute(CancellationToken token)
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{
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if (config.Artists)
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{
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logger.LogInformation("Mapping scrobble artists");
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var currentArtists = mappingRepo.GetArtists();
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var scrobbleArtists = scrobbleRepo.GetAll()
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.GroupBy(x => x.ArtistName)
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.Select(x => (x.Key, x.Count()))
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.OrderByDescending(x => x.Item2)
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.Select(x => x.Key);
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if(config.Limit is not null)
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{
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scrobbleArtists = scrobbleArtists.Take(config.Limit.Value);
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}
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var artistsToPull = scrobbleArtists
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.ExceptBy(currentArtists.Select(a => a.LastfmArtistName), a => a);
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var requests = artistsToPull.Select(a => new ScrobbleArtistMapping(
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searchClient,
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loggerFactory.CreateLogger<ScrobbleArtistMapping>() ?? NullLogger<ScrobbleArtistMapping>.Instance,
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a)
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).ToList();
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logger.LogInformation("Found {} artists to map, starting", requests.Count);
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var batchRequest = new BatchingOperation<ScrobbleArtistMapping>(
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config.InterRequestDelay,
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config.Timeout,
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config.SimultaneousConnections,
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requests
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);
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await batchRequest.TriggerRequests(token);
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logger.LogInformation("Finished mapping artists");
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var newArtists = batchRequest.DoneRequests
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.Where(a => a is not null)
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.Select(a => (FullArtist) a.Result)
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.Where(a => a is not null);
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var newMappings = newArtists.Select(a => new ArtistLastfmSpotifyMapping() {
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LastfmArtistName = a.Name,
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SpotifyUri = a.Uri
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});
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mappingRepo.AddRange(newMappings);
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}
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await mappingRepo.Save();
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}
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}
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}
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