mirror of
https://github.com/azaion/satellite-provider.git
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Oleksandr Bezdieniezhnykh
7c37636fdf
- Stop writing "downloaded_YYYY-MM-DD" into tiles.maps_version: new rows bind @MapsVersion to NULL via TileService.BuildTileEntity. - Retain the tiles.maps_version column (coderule.mdc forbids unprompted column drops); pre-existing rows keep their values for forensics. - Remove MapsVersion property from DownloadTileResponse (API wire shape) and TileMetadata (internal DTO); OpenAPI schema regenerates from the DTO via Swashbuckle. - Add 3 AC tests in TileServiceTests covering the captured-entity write (AC-1) and the DTO/wire-shape removal (AC-2). - Update integration-test local DTO + console output; refresh docs in common_dtos.md, services_tile_service.md, data_model.md. - Archive AZ-373 task file: todo/ -> done/. 174 unit + 5 smoke pass. Co-authored-by: Cursor <cursoragent@cursor.com>
102 lines
3.6 KiB
Markdown
102 lines
3.6 KiB
Markdown
# Module: Common/DTO
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## Purpose
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Data transfer objects used across all layers — API requests/responses, inter-service communication, and queue messages.
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## Public Interface
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### GeoPoint
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Geographic coordinate with tolerance-based equality.
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- `Lat` (double): latitude, JSON property `"lat"`
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- `Lon` (double): longitude, JSON property `"lon"`
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- Constructor: `GeoPoint()`, `GeoPoint(double lat, double lon)`
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- Equality: two points are equal if both coordinates differ by less than `0.00005` (PRECISION_TOLERANCE)
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- Operator overloads: `==`, `!=`
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### Direction
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Result of a directional calculation between two points.
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- `Distance` (double): distance in meters
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- `Azimuth` (double): bearing in degrees (0–360)
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### SatTile
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Represents a single map tile with its spatial bounds.
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- `X`, `Y` (int): tile coordinates in the slippy map scheme
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- `Zoom` (int): zoom level
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- `LeftTop`, `BottomRight` (GeoPoint): computed bounding box corners (via `GeoUtils.TileToWorldPos`)
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- `Url` (string): download URL
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- `FileName → string`: formatted as `{X}.{Y}.{Zoom}.jpg`
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### TileMetadata
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Metadata about a stored tile (mirrors `TileEntity` but without DB-specific concerns).
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- `Id` (Guid), `TileZoom`, `TileX`, `TileY` (int), `Latitude`, `Longitude` (double)
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- `TileSizeMeters` (double), `TileSizePixels` (int), `ImageType` (string)
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- `Version` (int?), `FilePath` (string)
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- `CreatedAt`, `UpdatedAt` (DateTime)
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### RegionRequest
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Queue message for async region processing.
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- `Id` (Guid), `Latitude`, `Longitude` (double), `SizeMeters` (double)
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- `ZoomLevel` (int), `StitchTiles` (bool)
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### RegionStatus
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Response DTO for region status queries.
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- `Id` (Guid), `Status` (string), `CsvFilePath`, `SummaryFilePath` (string?)
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- `TilesDownloaded`, `TilesReused` (int), `CreatedAt`, `UpdatedAt` (DateTime)
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### RoutePoint
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Input point in a route creation request.
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- `Latitude` (double, JSON: `"lat"`), `Longitude` (double, JSON: `"lon"`)
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### RoutePointDto
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Output point in a route response (includes computed fields).
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- `Latitude`, `Longitude` (double), `PointType` (string: "start"/"end"/"action"/"intermediate")
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- `SequenceNumber`, `SegmentIndex` (int), `DistanceFromPrevious` (double?)
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### CreateRouteRequest
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API request body for route creation.
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- `Id` (Guid), `Name` (string), `Description` (string?)
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- `RegionSizeMeters` (double), `ZoomLevel` (int)
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- `Points` (List\<RoutePoint\>), `Geofences` (Geofences?)
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- `RequestMaps` (bool), `CreateTilesZip` (bool)
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### RouteResponse
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API response for route queries.
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- All fields from the route entity plus `Points` (List\<RoutePointDto\>)
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- `MapsReady` (bool), `TilesZipPath` (string?)
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### GeofencePolygon
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Axis-aligned bounding box defined by NW and SE corners.
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- `NorthWest` (GeoPoint?), `SouthEast` (GeoPoint?)
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### Geofences
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Container for multiple geofence polygons.
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- `Polygons` (List\<GeofencePolygon\>)
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## Internal Logic
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- `GeoPoint` uses a precision tolerance of `0.00005` degrees (~5.5 meters) for equality comparison.
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- `SatTile` eagerly computes its bounding box corners on construction by calling `GeoUtils.TileToWorldPos`.
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## Dependencies
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- `GeoPoint`, `Direction` — no imports
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- `SatTile` → `SatelliteProvider.Common.Utils.GeoUtils`
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- All others — no internal dependencies (or only `System.Text.Json.Serialization`)
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## Consumers
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- All services, repositories, and API endpoints consume these DTOs
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- `RegionRequest` is the message type for `IRegionRequestQueue`
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## Data Models
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These ARE the data models (DTOs). They map closely to the database entities but are decoupled from the persistence layer.
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## Configuration
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None consumed directly.
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## External Integrations
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None.
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## Security
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None.
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## Tests
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No dedicated DTO tests.
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