Added ASP.NET backend with SQLite

2026-04-22 06:51:05 +03:00 · 2024-02-22 11:06:44 +00:00
parent d96b683a90
commit be8cc7ded4
39 changed files with 2109 additions and 0 deletions
@@ -0,0 +1,153 @@
+using ErrorOr;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
+using Microsoft.Extensions.Logging;
+using MuiCharts.Domain.Models;
+using MuiCharts.Domain.Repositories;
+
+namespace MuiCharts.Infrastructure.Repositories;
+
+/// <summary>
+/// Represents a repository for tracks.
+/// </summary>
+/// <param name="context">The data context.</param>
+/// <param name="logger">The logger.</param>
+public class TrackRepository(
+	DataContext context,
+	ILogger<TrackRepository> logger
+) : ITrackRepository
+{
+	private readonly DataContext _context = context;
+	private readonly ILogger<TrackRepository> _logger = logger;
+
+	/// <inheritdoc />
+	public async Task<ErrorOr<Track?>> AddOrUpdateTrackAsync(Track track)
+	{
+		try
+		{
+			_logger.LogInformation("Adding or updating track {track}", track);
+
+			if (!IsValidTrack(track))
+			{
+				_logger.LogInformation("Points with first ID {FirstId} and second ID {SecondId} do not exist", track.FirstId, track.SecondId);
+				return Error.Validation(description: "One or both specified points do not exist.");
+			}
+
+			bool doesExist = _context.Tracks.Any(t => t.FirstId == track.FirstId && t.SecondId == track.SecondId);
+
+			if (doesExist)
+			{
+				_logger.LogInformation("Track with first ID {FirstId} and second ID {SecondId} exists, updating", track.FirstId, track.SecondId);
+				_context.Tracks.Update(track);
+				await _context.SaveChangesAsync();
+				return (Track?)null;
+			}
+			else
+			{
+				_logger.LogInformation("Track with first ID {FirstId} and second ID {SecondId} does not exist, adding", track.FirstId, track.SecondId);
+				EntityEntry<Track> result = _context.Tracks.Add(track);
+				await _context.SaveChangesAsync();
+
+				return result.Entity;
+			}
+		}
+		catch (Exception e)
+		{
+			_logger.LogError(e, "Error adding or updating track {track}", track);
+			return Error.Failure();
+		}
+	}
+
+	/// <inheritdoc />
+	public async Task<ErrorOr<Track>> AddTrackAsync(Track track)
+	{
+		try
+		{
+			_logger.LogInformation("Adding track with first ID {FirstId} and second ID {SecondId}", track.FirstId, track.SecondId);
+
+			if (!IsValidTrack(track))
+			{
+				_logger.LogInformation("Points with first ID {FirstId} and second ID {SecondId} do not exist", track.FirstId, track.SecondId);
+				return Error.Validation(description: "One or both specified points do not exist.");
+			}
+
+			if (_context.Tracks.Any(t => t.FirstId == track.FirstId && t.SecondId == track.SecondId))
+			{
+				_logger.LogInformation("Track with first ID {FirstId} and second ID {SecondId} already exists", track.FirstId, track.SecondId);
+				return Error.Conflict();
+			}
+
+			EntityEntry<Track> result = _context.Tracks.Add(track);
+			await _context.SaveChangesAsync();
+
+			return result.Entity;
+		}
+		catch (Exception e)
+		{
+			_logger.LogError(e, "Error adding track with first ID {FirstId} and second ID {SecondId}", track.FirstId, track.SecondId);
+			return Error.Failure();
+		}
+	}
+
+	/// <inheritdoc />
+	public async Task<ErrorOr<Deleted>> DeleteTrackAsync(int firstId, int secondId)
+	{
+		try
+		{
+			_logger.LogInformation("Deleting track with first ID {FirstId} and second ID {SecondId}", firstId, secondId);
+
+			Track? track = await _context.Tracks.FindAsync(firstId, secondId);
+
+			if (track is null)
+			{
+				_logger.LogInformation("Track with first ID {FirstId} and second ID {SecondId} does not exist", firstId, secondId);
+				return Error.NotFound();
+			}
+
+			_context.Tracks.Remove(track);
+			await _context.SaveChangesAsync();
+
+			return new Deleted();
+		}
+		catch (Exception e)
+		{
+			_logger.LogError(e, "Error deleting track with first ID {FirstId} and second ID {SecondId}", firstId, secondId);
+			return Error.Failure();
+		}
+	}
+
+	/// <inheritdoc />
+	public async Task<ErrorOr<Track>> GetTrackAsync(int firstId, int secondId)
+	{
+		try
+		{
+			_logger.LogInformation("Getting track with first ID {FirstId} and second ID {SecondId}", firstId, secondId);
+
+			Track? track = await _context.Tracks.FindAsync(firstId, secondId);
+
+			if (track is null)
+			{
+				_logger.LogInformation("Track with first ID {FirstId} and second ID {SecondId} does not exist", firstId, secondId);
+				return Error.NotFound();
+			}
+
+			return track;
+		}
+		catch (Exception e)
+		{
+			_logger.LogError(e, "Error getting track with first ID {FirstId} and second ID {SecondId}", firstId, secondId);
+			return Error.Failure();
+		}
+	}
+
+	/// <inheritdoc />
+	public Task<IQueryable<Track>> GetTracksRangeAsync()
+	{
+		return Task.FromResult(_context.Tracks.AsQueryable());
+	}
+
+	private bool IsValidTrack(Track track)
+	{
+		return _context.Points.Any(p => p.Id == track.FirstId) &&
+			_context.Points.Any(p => p.Id == track.SecondId);
+	}
+}