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https://github.com/azaion/satellite-provider.git
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Oleksandr Bezdieniezhnykh
23ab05766d
Replaces bare strings with two enums in Common/Enums/:
RegionStatus { Queued, Processing, Completed, Failed }
RoutePointType { Start, End, Action, Intermediate }
Adds a Dapper EnumStringTypeHandler<T> (DataAccess/TypeHandlers/)
that round-trips enums to/from lowercase strings, registered once
at startup via DapperEnumTypeHandlers.RegisterAll(). DataAccess now
references Common (project ref) so entities can carry the enum types.
Sites converted: RegionService (5), RouteProcessingService (3),
RoutePointGraphBuilder (4), entity Status/PointType columns. Log
message and summary file format preserved via .ToLowerInvariant().
API JSON contract preserved by adding JsonStringEnumConverter with
JsonNamingPolicy.CamelCase to the http JSON options — single-word
enum members serialize to the same lowercase strings as before.
DTO renamed: Common.DTO.RegionStatus -> RegionStatusResponse to
free the RegionStatus name for the new enum (forced by the task's
explicit enum name); the renamed DTO has no public-API impact at
the JSON wire level. Stale doc references updated.
AC RT2 in _docs/00_problem/acceptance_criteria.md now lists all 4
point types (start/end/action/intermediate).
Tests: 171 / 171 unit + 5 / 5 smoke green (was 141 + 5; +30 new tests
covering type handler round-trip, set/parse, unknown-value rejection,
idempotent registration, and the AC RT2 doc check).
Co-authored-by: Cursor <cursoragent@cursor.com>
3.2 KiB
3.2 KiB
Module: Common/Interfaces
Purpose
Service contracts defining the application's core operations. Implementations live in the per-component service projects (SatelliteProvider.Services.TileDownloader, SatelliteProvider.Services.RegionProcessing, SatelliteProvider.Services.RouteManagement). Cross-component runtime calls between Layer-3 components flow exclusively through these interfaces — there are no compile-time ProjectReference entries between the three sibling service projects.
Public Interface
ITileService
DownloadAndStoreTilesAsync(double lat, double lon, double sizeMeters, int zoomLevel, CancellationToken) → Task<List<TileMetadata>>: downloads missing tiles for a region and returns all tile metadata (existing + new)GetTileAsync(Guid id) → Task<TileMetadata?>: retrieve a single tile by IDGetTilesByRegionAsync(double lat, double lon, double sizeMeters, int zoomLevel) → Task<IEnumerable<TileMetadata>>: query tiles within a geographic regionGetOrDownloadTileAsync(int z, int x, int y, CancellationToken) → Task<TileBytes>: serve a tile by Z/X/Y, hitting cache, then repository, then downloader (added in AZ-310)DownloadAndStoreSingleTileAsync(double latitude, double longitude, int zoomLevel, CancellationToken) → Task<TileMetadata>: download one tile by lat/lon and persist (added in AZ-311)
IRegionService
RequestRegionAsync(Guid id, double lat, double lon, double sizeMeters, int zoomLevel, bool stitchTiles) → Task<RegionStatusResponse>: creates a region record and enqueues for async processingGetRegionStatusAsync(Guid id) → Task<RegionStatusResponse?>: retrieves current status of a region requestProcessRegionAsync(Guid id, CancellationToken) → Task: executes tile downloading, CSV/summary generation, optional stitching
IRouteService
CreateRouteAsync(CreateRouteRequest request) → Task<RouteResponse>: validates input, calculates intermediate points, persists route + points, optionally creates geofence regionsGetRouteAsync(Guid id) → Task<RouteResponse?>: retrieves route with all points
ISatelliteDownloader
GetTiles(GeoPoint geoPoint, double radiusM, int zoomLevel, CancellationToken) → Task: legacy interface for tile downloading (not directly implemented byGoogleMapsDownloaderV2)
IRegionRequestQueue
EnqueueAsync(RegionRequest request, CancellationToken) → ValueTask: add region request to the bounded queueDequeueAsync(CancellationToken) → ValueTask<RegionRequest?>: consume next request (blocks until available)Count(int): current queue depth
Internal Logic
Pure interface definitions — no logic.
Dependencies
- All interfaces reference DTOs from
SatelliteProvider.Common.DTO
Consumers
Program.cs— DI registration of implementationsRegionProcessingService— consumesIRegionRequestQueueandIRegionServiceRouteService— consumesIRegionService(for geofence region creation)RouteProcessingService— consumesIRegionServicevia service provider scope- API endpoints — consume
ITileService,IRegionService,IRouteService
Data Models
None defined here.
Configuration
None.
External Integrations
None.
Security
None.
Tests
No dedicated interface tests.