Graham McIntire
bbe5bde145
Phoenix 1.8 app that scrapes ammunition retailers (Lucky Gunner, SGAmmo) for price data and displays historical price trends. - Data model: retailers, calibers, products, price snapshots - Scraper infrastructure with Req, Floki, realistic browser headers - Oban-scheduled scrape jobs (every 4h with randomized delays) - LiveView pages: homepage with category cards, caliber detail with price table, Chart.js price history, and price stats banner - 18 seeded calibers across handgun/rifle/rimfire/shotgun categories - 77 tests
22 lines
715 B
Elixir
22 lines
715 B
Elixir
defmodule Ammoprices.Repo.Migrations.CreatePriceSnapshots do
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use Ecto.Migration
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def change do
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create table(:price_snapshots, primary_key: false) do
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add :id, :binary_id, primary_key: true
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add :product_id, references(:products, type: :binary_id, on_delete: :delete_all),
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null: false
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add :price_cents, :integer, null: false
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add :price_per_round_cents, :integer, null: false
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add :in_stock, :boolean, default: true, null: false
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add :recorded_at, :utc_datetime, null: false
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timestamps(type: :utc_datetime, updated_at: false)
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end
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create index(:price_snapshots, [:product_id, :recorded_at])
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create index(:price_snapshots, [:recorded_at])
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end
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end
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