School Commit Init

2024-08-31 12:07:21 +03:00
commit 0b130ee18c
2801 changed files with 4720552 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using TechTitans.Repositories;
+using TechTitans.Models;
+using Dapper;
+using TechTitans.ViewModels;
+using TechTitans.Enums;
+
+namespace TechTitans.Services
+{   
+    internal class RecapService
+    {
+        SongBasicDetailsRepository songBasicDetailsRepository = new SongBasicDetailsRepository();
+        UserPlaybackBehaviourRepository userPlaybackBehaviourRepository = new UserPlaybackBehaviourRepository();
+
+        public List<SongBasicInfo> Top5MostListenedSongs(int userId)
+        {
+            var top5Songs = songBasicDetailsRepository.GetTop5MostListenedSongs(userId);
+            List<SongBasicInfo> top5SongsInfo = new List<SongBasicInfo>();
+            foreach (var song in top5Songs)
+            {
+                top5SongsInfo.Add(songBasicDetailsRepository.SongBasicDetailsToSongBasicInfo(song));
+            }
+            return top5SongsInfo;
+        }
+
+        public Tuple<SongBasicInfo, decimal> MostPlayedSongPercentile(int userId)
+        {
+            var mostPlayedSong = songBasicDetailsRepository.GetMostPlayedSongPercentile(userId);
+            return new Tuple<SongBasicInfo, decimal>(songBasicDetailsRepository.SongBasicDetailsToSongBasicInfo(mostPlayedSong.Item1), mostPlayedSong.Item2);
+        }
+
+        public Tuple<string, decimal> MostPlayedArtistPercentile(int userId)
+        {
+            return songBasicDetailsRepository.GetMostPlayedArtistPercentile(userId);
+        }
+
+        public int MinutesListened(int userId)
+        {
+            //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
+            var userEvents = userPlaybackBehaviourRepository.GetUserPlaybackBehaviour(userId);
+            int minutesListened = 0;
+            //for every start and end event pair, calculate the difference in minutes and add it to the total
+            for (int i = 0; i < userEvents.Count; i++)
+            {
+                if (userEvents[i].Event_Type == PlaybackEventType.start_play)
+                {
+                    for (int j = i + 1; j < userEvents.Count; j++)
+                    {
+                        if (userEvents[j].Event_Type == PlaybackEventType.end_play)
+                        {
+                            minutesListened += (int)(userEvents[j].Timestamp - userEvents[i].Timestamp).TotalMinutes;
+                            i = j;
+                            break;
+                        }
+                    }
+                }
+            }
+            return minutesListened;
+        }
+
+        public List<string> Top5Genres(int userId)
+        {
+            return this.songBasicDetailsRepository.GetTop5Genres(userId);
+        }
+
+        public List<string> NewGenresDiscovered(int userId)
+        {
+            return this.songBasicDetailsRepository.NewGenresDiscovered(userId);
+        }
+
+        public ListenerPersonality ListenerPersonality(int userId)
+        {
+            var userEvents = userPlaybackBehaviourRepository.GetUserPlaybackBehaviour(userId);
+            int playCount = 0;
+            for(int i = 0; i < userEvents.Count; i++)
+            {
+                if ((userEvents[i].Event_Type == PlaybackEventType.start_play) && (userEvents[i].Timestamp.Year == DateTime.Now.Year))
+                {
+                    playCount++;
+                }
+            }
+            if(playCount > 100)
+            {
+                return Enums.ListenerPersonality.Melophile;
+            }
+            var newGenres = NewGenresDiscovered(userId);
+            if(newGenres.Count > 3)
+            {
+                return Enums.ListenerPersonality.Explorer;
+            }
+            if(playCount < 10)
+            {
+                return Enums.ListenerPersonality.Casual;
+            }
+            return Enums.ListenerPersonality.Vanilla;
+        }
+
+        public EndOfYearRecapViewModel GenerateEndOfYearRecap(int userId)
+        {
+            var recap = new EndOfYearRecapViewModel();
+            recap.Top5MostListenedSongs = Top5MostListenedSongs(userId);
+            recap.MostPlayedSongPercentile = MostPlayedSongPercentile(userId);
+            recap.MostPlayedArtistPercentile = MostPlayedArtistPercentile(userId);
+            recap.MinutesListened = MinutesListened(userId);
+            recap.Top5Genres = Top5Genres(userId);
+            recap.NewGenresDiscovered = NewGenresDiscovered(userId);
+            recap.ListenerPersonality = ListenerPersonality(userId);
+            return recap;
+        }
+    }
+}