refactor(storage): route project DSNs and remove legacy backends

app/auth/project_dependencies.py

@@ -16,6 +16,7 @@ from app.infra.db.metadb.repositories.metadata_repository import (
     MetadataRepository,
     ProjectDbRouting,
 )
+from app.infra.db.project_routing import ActiveProjectRouting
 
 DB_ROLE_BIZ_DATA = "biz_data"
 DB_ROLE_IOT_DATA = "iot_data"
@@ -99,6 +100,62 @@ async def get_project_context(
     return await resolve_project_context(x_project_id, current_user, metadata_repo)
 
 
+async def get_project_business_routing(
+    ctx: ProjectContext = Depends(get_project_context),
+    metadata_repo: MetadataRepository = Depends(get_metadata_repository),
+) -> ActiveProjectRouting:
+    return await resolve_project_business_routing(ctx, metadata_repo)
+
+
+async def resolve_project_business_routing(
+    ctx: ProjectContext,
+    metadata_repo: MetadataRepository,
+) -> ActiveProjectRouting:
+    business = await _get_project_routing(
+        metadata_repo,
+        ctx.project_id,
+        DB_ROLE_BIZ_DATA,
+        DB_TYPE_POSTGRES,
+        "PostgreSQL",
+    )
+    return ActiveProjectRouting(
+        project_code=ctx.project_code,
+        business_dsn=business.dsn,
+    )
+
+
+async def get_project_simulation_routing(
+    ctx: ProjectContext = Depends(get_project_context),
+    metadata_repo: MetadataRepository = Depends(get_metadata_repository),
+) -> ActiveProjectRouting:
+    return await resolve_project_simulation_routing(ctx, metadata_repo)
+
+
+async def resolve_project_simulation_routing(
+    ctx: ProjectContext,
+    metadata_repo: MetadataRepository,
+) -> ActiveProjectRouting:
+    business = await _get_project_routing(
+        metadata_repo,
+        ctx.project_id,
+        DB_ROLE_BIZ_DATA,
+        DB_TYPE_POSTGRES,
+        "PostgreSQL",
+    )
+    timescale = await _get_project_routing(
+        metadata_repo,
+        ctx.project_id,
+        DB_ROLE_IOT_DATA,
+        DB_TYPE_TIMESCALE,
+        "TimescaleDB",
+    )
+    return ActiveProjectRouting(
+        project_code=ctx.project_code,
+        business_dsn=business.dsn,
+        timescale_dsn=timescale.dsn,
+    )
+
+
 async def _get_project_routing(
     metadata_repo: MetadataRepository,
     project_id: UUID,