route in progress, region stitching is disabled by default

SatelliteProvider.Services/RouteService.cs

@@ -0,0 +1,194 @@
+using Microsoft.Extensions.Logging;
+using SatelliteProvider.Common.DTO;
+using SatelliteProvider.Common.Interfaces;
+using SatelliteProvider.Common.Utils;
+using SatelliteProvider.DataAccess.Models;
+using SatelliteProvider.DataAccess.Repositories;
+
+namespace SatelliteProvider.Services;
+
+public class RouteService : IRouteService
+{
+    private readonly IRouteRepository _routeRepository;
+    private readonly ILogger<RouteService> _logger;
+    private const double MAX_POINT_SPACING_METERS = 200.0;
+
+    public RouteService(
+        IRouteRepository routeRepository,
+        ILogger<RouteService> logger)
+    {
+        _routeRepository = routeRepository;
+        _logger = logger;
+    }
+
+    public async Task<RouteResponse> CreateRouteAsync(CreateRouteRequest request)
+    {
+        if (request.Points.Count < 2)
+        {
+            throw new ArgumentException("Route must have at least 2 points");
+        }
+
+        if (request.RegionSizeMeters < 100 || request.RegionSizeMeters > 10000)
+        {
+            throw new ArgumentException("Region size must be between 100 and 10000 meters");
+        }
+
+        if (string.IsNullOrWhiteSpace(request.Name))
+        {
+            throw new ArgumentException("Route name is required");
+        }
+
+        _logger.LogInformation("Creating route {RouteId} with {PointCount} original points", 
+            request.Id, request.Points.Count);
+
+        var allPoints = new List<RoutePointDto>();
+        var totalDistance = 0.0;
+        var sequenceNumber = 0;
+
+        for (int segmentIndex = 0; segmentIndex < request.Points.Count; segmentIndex++)
+        {
+            var currentPoint = request.Points[segmentIndex];
+            var isStart = segmentIndex == 0;
+            var isEnd = segmentIndex == request.Points.Count - 1;
+
+            var geoPoint = new GeoPoint(currentPoint.Latitude, currentPoint.Longitude);
+            
+            double? distanceFromPrevious = null;
+            if (segmentIndex > 0)
+            {
+                var prevPoint = request.Points[segmentIndex - 1];
+                var prevGeoPoint = new GeoPoint(prevPoint.Latitude, prevPoint.Longitude);
+                distanceFromPrevious = GeoUtils.CalculateDistance(prevGeoPoint, geoPoint);
+                totalDistance += distanceFromPrevious.Value;
+            }
+
+            var pointType = isStart ? "start" : (isEnd ? "end" : "waypoint");
+            
+            allPoints.Add(new RoutePointDto
+            {
+                Latitude = currentPoint.Latitude,
+                Longitude = currentPoint.Longitude,
+                PointType = pointType,
+                SequenceNumber = sequenceNumber++,
+                SegmentIndex = segmentIndex,
+                DistanceFromPrevious = distanceFromPrevious
+            });
+
+            if (!isEnd)
+            {
+                var nextPoint = request.Points[segmentIndex + 1];
+                var startGeo = new GeoPoint(currentPoint.Latitude, currentPoint.Longitude);
+                var endGeo = new GeoPoint(nextPoint.Latitude, nextPoint.Longitude);
+                
+                var intermediatePoints = GeoUtils.CalculateIntermediatePoints(startGeo, endGeo, MAX_POINT_SPACING_METERS);
+                
+                _logger.LogInformation("Segment {SegmentIndex}: Adding {Count} intermediate points", 
+                    segmentIndex, intermediatePoints.Count);
+
+                foreach (var intermediateGeo in intermediatePoints)
+                {
+                    var prevGeo = sequenceNumber == 1 ? startGeo : new GeoPoint(
+                        allPoints[sequenceNumber - 1].Latitude, 
+                        allPoints[sequenceNumber - 1].Longitude);
+                    
+                    var distFromPrev = GeoUtils.CalculateDistance(prevGeo, intermediateGeo);
+                    totalDistance += distFromPrev;
+
+                    allPoints.Add(new RoutePointDto
+                    {
+                        Latitude = intermediateGeo.Lat,
+                        Longitude = intermediateGeo.Lon,
+                        PointType = "intermediate",
+                        SequenceNumber = sequenceNumber++,
+                        SegmentIndex = segmentIndex,
+                        DistanceFromPrevious = distFromPrev
+                    });
+                }
+            }
+        }
+
+        _logger.LogInformation("Route {RouteId}: Total {TotalPoints} points (original + intermediate), distance {Distance:F2}m",
+            request.Id, allPoints.Count, totalDistance);
+
+        var now = DateTime.UtcNow;
+        var routeEntity = new RouteEntity
+        {
+            Id = request.Id,
+            Name = request.Name,
+            Description = request.Description,
+            RegionSizeMeters = request.RegionSizeMeters,
+            ZoomLevel = request.ZoomLevel,
+            TotalDistanceMeters = totalDistance,
+            TotalPoints = allPoints.Count,
+            CreatedAt = now,
+            UpdatedAt = now
+        };
+
+        await _routeRepository.InsertRouteAsync(routeEntity);
+
+        var pointEntities = allPoints.Select(p => new RoutePointEntity
+        {
+            Id = Guid.NewGuid(),
+            RouteId = request.Id,
+            SequenceNumber = p.SequenceNumber,
+            Latitude = p.Latitude,
+            Longitude = p.Longitude,
+            PointType = p.PointType,
+            SegmentIndex = p.SegmentIndex,
+            DistanceFromPrevious = p.DistanceFromPrevious,
+            CreatedAt = now
+        }).ToList();
+
+        await _routeRepository.InsertRoutePointsAsync(pointEntities);
+
+        _logger.LogInformation("Route {RouteId} created successfully", request.Id);
+
+        return new RouteResponse
+        {
+            Id = routeEntity.Id,
+            Name = routeEntity.Name,
+            Description = routeEntity.Description,
+            RegionSizeMeters = routeEntity.RegionSizeMeters,
+            ZoomLevel = routeEntity.ZoomLevel,
+            TotalDistanceMeters = routeEntity.TotalDistanceMeters,
+            TotalPoints = routeEntity.TotalPoints,
+            Points = allPoints,
+            CreatedAt = routeEntity.CreatedAt,
+            UpdatedAt = routeEntity.UpdatedAt
+        };
+    }
+
+    public async Task<RouteResponse?> GetRouteAsync(Guid id)
+    {
+        var route = await _routeRepository.GetByIdAsync(id);
+        if (route == null)
+        {
+            return null;
+        }
+
+        var points = await _routeRepository.GetRoutePointsAsync(id);
+        
+        return new RouteResponse
+        {
+            Id = route.Id,
+            Name = route.Name,
+            Description = route.Description,
+            RegionSizeMeters = route.RegionSizeMeters,
+            ZoomLevel = route.ZoomLevel,
+            TotalDistanceMeters = route.TotalDistanceMeters,
+            TotalPoints = route.TotalPoints,
+            Points = points.Select(p => new RoutePointDto
+            {
+                Latitude = p.Latitude,
+                Longitude = p.Longitude,
+                PointType = p.PointType,
+                SequenceNumber = p.SequenceNumber,
+                SegmentIndex = p.SegmentIndex,
+                DistanceFromPrevious = p.DistanceFromPrevious
+            }).ToList(),
+            CreatedAt = route.CreatedAt,
+            UpdatedAt = route.UpdatedAt
+        };
+    }
+}
+