Petru Paler
5c10a750ce
Implement FeedPurchased event handling: - Add migration for feed_inventory table - Create FeedInventoryProjection to track purchases - Create FeedService with purchase_feed method - Calculate price_per_kg_cents from bag details Purchases accumulate in inventory with: - purchased_kg, given_kg, balance_kg tracking - Last purchase price stored in cents - Timestamps for last purchase/given 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
19 lines
750 B
SQL
19 lines
750 B
SQL
-- ABOUTME: Migration to create feed_inventory table.
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-- ABOUTME: Tracks feed purchases, amounts given, and current balance.
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-- Feed inventory tracks global feed levels per type
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-- Stores amounts in kg, prices in cents
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CREATE TABLE feed_inventory (
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feed_type_code TEXT PRIMARY KEY REFERENCES feed_types(code),
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purchased_kg INTEGER NOT NULL DEFAULT 0,
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given_kg INTEGER NOT NULL DEFAULT 0,
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balance_kg INTEGER NOT NULL DEFAULT 0,
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last_purchase_price_per_kg_cents INTEGER,
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last_purchase_at_utc INTEGER,
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last_given_at_utc INTEGER,
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updated_at_utc INTEGER NOT NULL
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);
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-- Index for finding when last purchase/given occurred
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CREATE INDEX idx_feed_inventory_last_on ON feed_inventory(last_purchase_at_utc, last_given_at_utc);
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