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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

1.7 KiB

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Module: DataAccess/DatabaseMigrator

Purpose

Runs DbUp-based SQL migrations against PostgreSQL on application startup. Ensures the database schema is up to date before the API begins serving requests.

Public Interface

DatabaseMigrator

Constructor: DatabaseMigrator(string connectionString, ILogger<DatabaseMigrator>? logger)
RunMigrations() → bool: creates the database if missing (EnsureDatabase.For.PostgresqlDatabase), then runs all embedded SQL scripts matching .Migrations. from the DataAccess assembly. Returns true on success.

Internal Logic

Uses DbUp.DeployChanges fluent API targeting PostgreSQL
Scripts are embedded resources filtered by path containing .Migrations.
Logs to console via DbUp's built-in LogToConsole()
On failure, logs the error and returns false

Dependencies

NuGet: dbup-postgresql (6.0.3)
Microsoft.Extensions.Logging
Embedded SQL resources from SatelliteProvider.DataAccess/Migrations/

Consumers

Program.cs — instantiated directly (not via DI) and called during startup. If migration fails, the application throws and does not start.

Migrations (11 scripts)

001_CreateTilesTable.sql
002_CreateRegionsTable.sql
003_CreateIndexes.sql
004_AddVersionColumn.sql
005_CreateRoutesTables.sql
006_AddStitchTilesToRegions.sql
007_AddRouteMapFields.sql
008_AddGeofenceFlagToRouteRegions.sql
009_AddGeofencePolygonIndex.sql
010_AddTilesZipToRoutes.sql
011_AddTileCoordinates.sql

Configuration

Receives connection string directly as constructor parameter.

External Integrations

PostgreSQL — DDL operations via DbUp.

Security

None directly, but controls schema evolution.

Tests

No dedicated tests.

1.7 KiB Raw Blame History