Fix API base URL, rate-limit paging, background refresh; verify live against official API

- Base URL corrected to https://www.fuel-finder.service.gov.uk (the
  api.fuelfinder.service.gov.uk host in the portal's examples is stale —
  it does not resolve; www.fuel-finder... resolves to CloudFront and is
  what the live spec uses). Verified: /health now reports source=api,
  8,010 stations, 0 failures.
- Fuel Finder is strictly sequential (30 rpm per client, 429 on overlap):
  added FUEL_API_BATCH_SLEEP (default 4.0s) between pages ≈ 15 rpm.
- Stale-cache refresh moved off the request path into a background
  thread — a multi-minute rate-limited sync no longer blows the app's
  5s timeout; stale data is served while it catches up.
- Multiple diesel variants (B7_STANDARD, B7_PREMIUM, B10) now map to
  DIESEL as the MINIMUM price, so a premium price can't inflate the
  cheapest-diesel reference (CSV relay took first-wins; min is safer).
- Added B7_PREMIUM (underscore) to the fuel map — official key.
- scripts/run.sh now prefers the project venv (bare python3 missed
  uvicorn when run outside an activated env).
- Tests updated for min-diesel + B7_PREMIUM; 12/12 pass.

This commit is contained in:

FuelBoard Contributor

2026-08-12 15:50:08 +01:00

parent b315f4dc47

commit bd3d3862ec

5 changed files with 87 additions and 23 deletions

									
										scripts/run.sh
									
		+5
		
												View File
												
				@@ -12,4 +12,9 @@ set -a

				set +a

				PORT="${FUEL_RELAY_PORT:-8789}"

				# Prefer the project venv so the bare `python3` fallback can't miss uvicorn.

				if [ -x ".venv/bin/python" ]; then

				  exec .venv/bin/python -m uvicorn app.main:app --host 0.0.0.0 --port "$PORT"

				fi

				exec python3 -m uvicorn app.main:app --host 0.0.0.0 --port "$PORT"