ammocpr/lib/ammoprices/scraping/scrape_job.ex
Graham McIntire 16a28ac01c
Add Target Sports USA scraper, product filtering, and subsonic detection
- Add subsonic boolean field to products with composite filter indexes
- Add TextDetector utility for detecting subsonic/casing from product titles
- Wire TextDetector into SgAmmo (casing + subsonic) and LuckyGunner (subsonic + fallback casing)
- Extend latest_prices_for_caliber with casing, grain_weight, and subsonic filter options
- Add distinct_grain_weights_for_caliber and distinct_casings_for_caliber queries
- Add filter UI with toggleable casing, grain weight, and subsonic buttons
- Add grain weight column and subsonic badge to product table
- Refresh filter options on PubSub price updates for real-time UI
- Implement Target Sports USA scraper with 18 caliber mappings
- Display all prices in dollar format ($0.38 instead of 38¢)
2026-03-11 16:28:04 -05:00

37 lines
919 B
Elixir

defmodule Ammoprices.Scraping.ScrapeJob do
@moduledoc false
use Oban.Worker, queue: :scraping, max_attempts: 3
alias Ammoprices.Catalog
alias Ammoprices.Scraping.Runner
@scrapers [
Ammoprices.Scraping.Retailers.LuckyGunner,
Ammoprices.Scraping.Retailers.SgAmmo,
Ammoprices.Scraping.Retailers.TargetSportsUsa
]
@impl Oban.Worker
def perform(_job) do
calibers = Catalog.list_calibers()
for scraper <- @scrapers, caliber <- calibers do
scrape_delay()
Runner.run(scraper, caliber)
end
Phoenix.PubSub.broadcast(Ammoprices.PubSub, "prices:updated", {:prices_updated, %{}})
:ok
end
# Random delay between requests: 5-15 seconds in prod, 0 in test
defp scrape_delay do
{min, max} = Application.get_env(:ammoprices, :scrape_delay_ms, {5_000, 15_000})
delay = Enum.random(min..max)
if delay > 0 do
Process.sleep(delay)
end
end
end