unfinish: fifo system

internal/database/migrations/20251110070219_create_stock_allocations_table.down.sql

@@ -0,0 +1,7 @@
+DROP INDEX IF EXISTS stock_allocations_released_at_idx;
+DROP INDEX IF EXISTS stock_allocations_status_idx;
+DROP INDEX IF EXISTS stock_allocations_usage_lookup;
+DROP INDEX IF EXISTS stock_allocations_lookup;
+DROP INDEX IF EXISTS stock_allocations_product_warehouse_id_idx;
+
+DROP TABLE IF EXISTS stock_allocations;

internal/database/migrations/20251110070219_create_stock_allocations_table.up.sql

@@ -0,0 +1,30 @@
+CREATE TABLE IF NOT EXISTS stock_allocations (
+    id BIGSERIAL PRIMARY KEY,
+    product_warehouse_id BIGINT NOT NULL REFERENCES product_warehouses(id),
+    stockable_type VARCHAR(100) NOT NULL,
+    stockable_id BIGINT NOT NULL,
+    usable_type VARCHAR(100) NOT NULL,
+    usable_id BIGINT NOT NULL,
+    qty NUMERIC(15,3) NOT NULL,
+    status VARCHAR(20) NOT NULL DEFAULT 'ACTIVE',
+    note TEXT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    released_at TIMESTAMPTZ NULL,
+    deleted_at TIMESTAMPTZ NULL
+);
+
+CREATE INDEX IF NOT EXISTS stock_allocations_product_warehouse_id_idx
+    ON stock_allocations (product_warehouse_id);
+
+CREATE INDEX IF NOT EXISTS stock_allocations_lookup
+    ON stock_allocations (stockable_type, stockable_id);
+
+CREATE INDEX IF NOT EXISTS stock_allocations_usage_lookup
+    ON stock_allocations (usable_type, usable_id);
+
+CREATE INDEX IF NOT EXISTS stock_allocations_status_idx
+    ON stock_allocations (status);
+
+CREATE INDEX IF NOT EXISTS stock_allocations_released_at_idx
+    ON stock_allocations (released_at);