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satellite-provider/_docs/02_document/modules/common_interfaces.md
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Oleksandr Bezdieniezhnykh b0fffa6d42 [AZ-284] Autodev baseline + testability refactor
Phase A baseline outputs from /autodev (Steps 1-5):
- Problem & solution docs (_docs/00_problem, _docs/01_solution)
- Codebase documentation (_docs/02_document) incl. architecture,
  module-layout, glossary, system-flows, baseline compliance scan
- Test specs (blackbox, performance, resilience, security, resource,
  traceability matrix)
- Test task decomposition (_docs/02_tasks/todo): AZ-285..AZ-290
- Testability refactor (_docs/04_refactoring/01-testability-refactoring):
  - TC-01 Move DownloadedTileInfoV2 + new ExistingTileInfo to Common.DTO
  - TC-02 Replace dead ISatelliteDownloader API with real signatures
  - TC-03 GoogleMapsDownloaderV2 implements ISatelliteDownloader
  - TC-04 TileService depends on ISatelliteDownloader (mockable)
  - TC-05 DI + endpoints use ISatelliteDownloader
- Test runner scripts (scripts/run-tests.sh, run-performance-tests.sh)
- Autodev state pointer (_docs/_autodev_state.md)

Prepares the codebase for AZ-285..AZ-290 unit/integration test work.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-10 04:44:08 +03:00

57 lines
2.5 KiB
Markdown

# Module: Common/Interfaces
## Purpose
Service contracts defining the application's core operations. Implementations live in `SatelliteProvider.Services`.
## 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 ID
- `GetTilesByRegionAsync(double lat, double lon, double sizeMeters, int zoomLevel) → Task<IEnumerable<TileMetadata>>`: query tiles within a geographic region
### IRegionService
- `RequestRegionAsync(Guid id, double lat, double lon, double sizeMeters, int zoomLevel, bool stitchTiles) → Task<RegionStatus>`: creates a region record and enqueues for async processing
- `GetRegionStatusAsync(Guid id) → Task<RegionStatus?>`: retrieves current status of a region request
- `ProcessRegionAsync(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 regions
- `GetRouteAsync(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 by `GoogleMapsDownloaderV2`)
### IRegionRequestQueue
- `EnqueueAsync(RegionRequest request, CancellationToken) → ValueTask`: add region request to the bounded queue
- `DequeueAsync(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 implementations
- `RegionProcessingService` — consumes `IRegionRequestQueue` and `IRegionService`
- `RouteService` — consumes `IRegionService` (for geofence region creation)
- `RouteProcessingService` — consumes `IRegionService` via 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.