116 lines
4.5 KiB
C#
116 lines
4.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using TechTitans.Repositories;
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using TechTitans.Models;
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using Dapper;
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using TechTitans.ViewModels;
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using TechTitans.Enums;
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namespace TechTitans.Services
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{
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internal class RecapService
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{
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SongBasicDetailsRepository songBasicDetailsRepository = new SongBasicDetailsRepository();
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UserPlaybackBehaviourRepository userPlaybackBehaviourRepository = new UserPlaybackBehaviourRepository();
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public List<SongBasicInfo> Top5MostListenedSongs(int userId)
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{
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var top5Songs = songBasicDetailsRepository.GetTop5MostListenedSongs(userId);
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List<SongBasicInfo> top5SongsInfo = new List<SongBasicInfo>();
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foreach (var song in top5Songs)
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{
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top5SongsInfo.Add(songBasicDetailsRepository.SongBasicDetailsToSongBasicInfo(song));
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}
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return top5SongsInfo;
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}
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public Tuple<SongBasicInfo, decimal> MostPlayedSongPercentile(int userId)
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{
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var mostPlayedSong = songBasicDetailsRepository.GetMostPlayedSongPercentile(userId);
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return new Tuple<SongBasicInfo, decimal>(songBasicDetailsRepository.SongBasicDetailsToSongBasicInfo(mostPlayedSong.Item1), mostPlayedSong.Item2);
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}
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public Tuple<string, decimal> MostPlayedArtistPercentile(int userId)
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{
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return songBasicDetailsRepository.GetMostPlayedArtistPercentile(userId);
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}
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public int MinutesListened(int userId)
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{
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//get list of all userplaybackbehaviour for a userid sorted ascending by timestamp and go over them calculating the difference between the timestamps and summing them up
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var userEvents = userPlaybackBehaviourRepository.GetUserPlaybackBehaviour(userId);
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int minutesListened = 0;
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//for every start and end event pair, calculate the difference in minutes and add it to the total
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for (int i = 0; i < userEvents.Count; i++)
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{
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if (userEvents[i].Event_Type == PlaybackEventType.start_play)
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{
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for (int j = i + 1; j < userEvents.Count; j++)
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{
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if (userEvents[j].Event_Type == PlaybackEventType.end_play)
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{
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minutesListened += (int)(userEvents[j].Timestamp - userEvents[i].Timestamp).TotalMinutes;
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i = j;
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break;
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}
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}
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}
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}
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return minutesListened;
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}
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public List<string> Top5Genres(int userId)
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{
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return this.songBasicDetailsRepository.GetTop5Genres(userId);
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}
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public List<string> NewGenresDiscovered(int userId)
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{
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return this.songBasicDetailsRepository.NewGenresDiscovered(userId);
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}
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public ListenerPersonality ListenerPersonality(int userId)
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{
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var userEvents = userPlaybackBehaviourRepository.GetUserPlaybackBehaviour(userId);
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int playCount = 0;
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for(int i = 0; i < userEvents.Count; i++)
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{
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if ((userEvents[i].Event_Type == PlaybackEventType.start_play) && (userEvents[i].Timestamp.Year == DateTime.Now.Year))
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{
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playCount++;
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}
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}
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if(playCount > 100)
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{
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return Enums.ListenerPersonality.Melophile;
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}
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var newGenres = NewGenresDiscovered(userId);
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if(newGenres.Count > 3)
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{
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return Enums.ListenerPersonality.Explorer;
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}
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if(playCount < 10)
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{
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return Enums.ListenerPersonality.Casual;
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}
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return Enums.ListenerPersonality.Vanilla;
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}
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public EndOfYearRecapViewModel GenerateEndOfYearRecap(int userId)
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{
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var recap = new EndOfYearRecapViewModel();
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recap.Top5MostListenedSongs = Top5MostListenedSongs(userId);
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recap.MostPlayedSongPercentile = MostPlayedSongPercentile(userId);
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recap.MostPlayedArtistPercentile = MostPlayedArtistPercentile(userId);
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recap.MinutesListened = MinutesListened(userId);
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recap.Top5Genres = Top5Genres(userId);
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recap.NewGenresDiscovered = NewGenresDiscovered(userId);
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recap.ListenerPersonality = ListenerPersonality(userId);
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return recap;
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}
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}
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}
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