groceries: stats page with nightly snapshot (battles, basket, promos, CPI, range)

drizzle/20261025203926_groceries_stats/migration.sql

@@ -0,0 +1,32 @@
+CREATE TABLE "groceries"."item_sizes" (
+	"id" serial PRIMARY KEY,
+	"item_id" integer NOT NULL,
+	"observed_on" date NOT NULL,
+	"unit" text,
+	"unit_amount" numeric(12,4),
+	"size_text" text,
+	"price_cents" integer,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE "groceries"."stats_snapshots" (
+	"id" serial PRIMARY KEY,
+	"computed_on" date NOT NULL,
+	"scope" text NOT NULL,
+	"computed_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"duration_ms" integer,
+	"data" jsonb NOT NULL,
+	"series" jsonb,
+	CONSTRAINT "stats_snapshots_scope_check" CHECK ("scope" IN ('food','all'))
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX "item_sizes_item_day_key" ON "groceries"."item_sizes" ("item_id","observed_on");--> statement-breakpoint
+CREATE UNIQUE INDEX "stats_snapshots_day_scope_key" ON "groceries"."stats_snapshots" ("computed_on","scope");--> statement-breakpoint
+ALTER TABLE "groceries"."item_sizes" ADD CONSTRAINT "item_sizes_item_id_items_id_fkey" FOREIGN KEY ("item_id") REFERENCES "groceries"."items"("id") ON DELETE CASCADE;--> statement-breakpoint
+DO $$
+BEGIN
+  IF current_user = 'personal' AND EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'personal_app') THEN
+    GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA groceries TO personal_app;
+    GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA groceries TO personal_app;
+  END IF;
+END $$;