feat(prices): fiyat kayıtları, birim fiyat motoru ve analizde aylık maliyet

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

scripts/seed/run.int.test.ts

@@ -37,6 +37,7 @@ describe("seed", () => {
     expect(summary.created.stock).toBe(19);
     expect(summary.created.stores).toBe(8);
     expect(summary.created.products).toBe(22);
+    expect(summary.created.prices).toBeGreaterThan(200);
     expect(await getDb().collection("user").countDocuments()).toBe(SEED_USERS.length + 1);
     expect(await HouseholdMemberModel.countDocuments()).toBe(memberCount);
   });
@@ -59,6 +60,7 @@ describe("seed", () => {
       stock: 0,
       stores: 0,
       products: 0,
+      prices: 0,
     });
     expect(await getDb().collection("user").countDocuments()).toBe(SEED_USERS.length + 1);
     expect(await HouseholdModel.countDocuments()).toBe(SEED_HOUSEHOLDS.length);

scripts/seed/run.ts

@@ -13,7 +13,7 @@ import { runMigrations } from "../migrations";
 import { seedContacts } from "./contacts";
 import { seedAssets } from "./assets";
 import { seedBudgets } from "./budgets";
-import { seedShopping } from "./shopping";
+import { seedProductPrices, seedShopping } from "./shopping";
 import { seedStock } from "./stock";
 import { seedInKind } from "./in-kind";
 import { seedInstallments } from "./installments";
@@ -60,6 +60,7 @@ export type SeedSummary = {
     stock: number;
     stores: number;
     products: number;
+    prices: number;
   };
   accounts: SeedAccountRow[];
 };
@@ -89,6 +90,7 @@ const DOMAIN_COLLECTIONS = [
   "stockCounts",
   "stores",
   "products",
+  "productPrices",
 ];
 
 type AuthApi = ReturnType<typeof getAuth>["api"];
@@ -147,6 +149,7 @@ export async function runSeed({
       stock: 0,
       stores: 0,
       products: 0,
+      prices: 0,
     },
     accounts: [],
   };
@@ -336,6 +339,8 @@ export async function runSeed({
   summary.created.products = shopping.products;
   if (shopping.stores || shopping.products)
     log(`✓ Örnek mağazalar ve ürünler: ${shopping.stores} / ${shopping.products}`);
+  summary.created.prices = await seedProductPrices(householdIds, userIdMap);
+  if (summary.created.prices) log(`✓ Örnek ürün fiyatları: ${summary.created.prices}`);
 
   // 7) Geliştirme hesapları tablosu
   const all = [

scripts/seed/shopping.ts

@@ -1,9 +1,12 @@
 import { Types } from "mongoose";
 import { ProductModel } from "@/models/product";
+import { ProductPriceModel } from "@/models/product-price";
 import { ProductTypeModel } from "@/models/product-type";
 import { StoreModel } from "@/models/store";
 import type { MealCardProvider } from "@/shared/accounts";
 import { autoConvertible } from "@/shared/products";
+import { todayIstanbul } from "@/shared/dates";
+import { addDays } from "@/shared/recurrence";
 import { foldTr } from "@/shared/search";
 import type { StoreKind } from "@/shared/stores";
 
@@ -326,3 +329,166 @@ export async function seedShopping(
   }
   return { stores, products };
 }
+
+// --- Fiyatlar (Faz 12b) ---
+
+/** Bugünkü paket fiyatı (kuruş, Kasım 2026 tahmini). */
+const CURRENT_PRICE: Record<string, number> = {
+  "ariel-5kg": 519_90,
+  "omo-6kg": 559_90,
+  "bingo-4kg": 329_90,
+  "fairy-50": 479_90,
+  "finish-40": 419_90,
+  "yayla-mercimek": 84_90,
+  "reis-mercimek": 79_90,
+  "duru-mercimek": 189_90,
+  "yayla-baldo": 259_90,
+  "reis-baldo": 109_90,
+  "pinar-sut": 41_90,
+  "sutas-sut": 39_90,
+  "icim-sut-500": 23_90,
+  "keskinoglu-30": 174_90,
+  "koy-yumurta-15": 119_90,
+  "pinar-peynir": 209_90,
+  "yumos-1440": 139_90,
+  "selpak-32": 329_90,
+  "solo-24": 229_90,
+  "colgate-75": 84_90,
+  "sensodyne-75": 159_90,
+  "elidor-500": 119_90,
+};
+
+/** Mağaza fiyat çarpanı (indirim marketi ucuz, online pahalı). */
+const STORE_FACTOR: Record<string, number> = {
+  migros: 1.06,
+  a101: 0.94,
+  bim: 0.91,
+  sok: 0.96,
+  carrefoursa: 1.0,
+  "getir-buyuk": 1.12,
+  metro: 0.88,
+};
+const PRICE_STORES = Object.keys(STORE_FACTOR);
+/** Aylık fiyat artışı. */
+const MONTHLY_INFLATION = 0.025;
+
+/** x,90 biçimine yuvarla (ör. 87,34 → 86,90 / 87,90). */
+const ninety = (minor: number) => Math.max(90, Math.round((minor - 90) / 100) * 100 + 90);
+
+type SeedPrice = {
+  ref: string;
+  product: string;
+  store: string;
+  daysAgo: number;
+  priceMinor: number;
+  isPromo?: boolean;
+  promoUntilDaysAgo?: number;
+};
+
+/**
+ * Her ürün 3 mağazada (ürün sırasına göre dönüşümlü), son 6 ayda ~45 günde bir fiyat.
+ * Kampanyalar: Ariel @ Migros hâlâ süren (%20), Pınar süt @ A101 süresi bitmiş (önceki normal
+ * fiyata dönülür). Reis mercimek @ Metro yalnızca eski kayıtlarla ("eski fiyat").
+ */
+export function seedPrices(): SeedPrice[] {
+  const out: SeedPrice[] = [];
+  PRODUCTS.forEach((p, i) => {
+    const current = CURRENT_PRICE[p.ref]!;
+    const stores = [0, 2, 4].map((k) => PRICE_STORES[(i + k) % PRICE_STORES.length]!);
+    stores.forEach((store, si) => {
+      for (let step = 0; step < 4; step++) {
+        const daysAgo = 170 - step * 45 - si * 7 - (i % 5);
+        if (daysAgo < 0) continue;
+        if (p.ref === "reis-mercimek" && store === "metro" && daysAgo < 100) continue;
+        const months = daysAgo / 30;
+        const price = (current * STORE_FACTOR[store]!) / (1 + MONTHLY_INFLATION) ** months;
+        out.push({
+          ref: `${p.ref}:${store}:${step}`,
+          product: p.ref,
+          store,
+          daysAgo,
+          priceMinor: ninety(price),
+        });
+      }
+    });
+  });
+  out.push(
+    {
+      ref: "ariel-5kg:migros:promo",
+      product: "ariel-5kg",
+      store: "migros",
+      daysAgo: 4,
+      priceMinor: ninety(CURRENT_PRICE["ariel-5kg"]! * 1.06 * 0.8),
+      isPromo: true,
+      promoUntilDaysAgo: -6,
+    },
+    {
+      ref: "pinar-sut:a101:normal",
+      product: "pinar-sut",
+      store: "a101",
+      daysAgo: 30,
+      priceMinor: ninety(CURRENT_PRICE["pinar-sut"]! * 0.94),
+    },
+    {
+      ref: "pinar-sut:a101:promo",
+      product: "pinar-sut",
+      store: "a101",
+      daysAgo: 12,
+      priceMinor: ninety(CURRENT_PRICE["pinar-sut"]! * 0.75),
+      isPromo: true,
+      promoUntilDaysAgo: 3,
+    },
+  );
+  return out;
+}
+
+export async function seedProductPrices(
+  householdIds: Map<string, Types.ObjectId>,
+  users: Map<string, string>,
+): Promise<number> {
+  const actor = new Types.ObjectId(users.get("ayse")!);
+  const householdId = householdIds.get("Çakır Ailesi")!;
+  const [products, stores] = await Promise.all([
+    ProductModel.find({ householdId, seedRef: { $type: "string" } })
+      .select({ seedRef: 1 })
+      .lean<{ _id: Types.ObjectId; seedRef: string }[]>(),
+    StoreModel.find({ householdId, seedRef: { $type: "string" } })
+      .select({ seedRef: 1 })
+      .lean<{ _id: Types.ObjectId; seedRef: string }[]>(),
+  ]);
+  const productByRef = new Map(products.map((p) => [p.seedRef, p._id]));
+  const storeByRef = new Map(stores.map((x) => [x.seedRef, x._id]));
+  const existing = new Set(
+    (
+      await ProductPriceModel.find({ householdId, seedRef: { $type: "string" } })
+        .select({ seedRef: 1 })
+        .lean<{ seedRef: string }[]>()
+    ).map((x) => x.seedRef),
+  );
+  const today = todayIstanbul();
+  const base = Date.now() - 200 * 86_400_000;
+  const docs = seedPrices()
+    .filter((x) => !existing.has(x.ref) && productByRef.has(x.product) && storeByRef.has(x.store))
+    .sort((a, b) => b.daysAgo - a.daysAgo)
+    .map((x, i) => {
+      const at = new Date(base + i * 1000);
+      return {
+        householdId,
+        productId: productByRef.get(x.product)!,
+        storeId: storeByRef.get(x.store)!,
+        date: addDays(today, -x.daysAgo),
+        priceMinor: x.priceMinor,
+        isPromo: x.isPromo ?? false,
+        promoUntil: x.promoUntilDaysAgo === undefined ? null : addDays(today, -x.promoUntilDaysAgo),
+        source: "manual",
+        note: "",
+        deletedAt: null,
+        seedRef: x.ref,
+        createdBy: actor,
+        createdAt: at,
+        updatedAt: at,
+      };
+    });
+  if (docs.length) await ProductPriceModel.collection.insertMany(docs);
+  return docs.length;
+}