feat: accounting added

lib/api/purchases.ts

@@ -1,22 +1,57 @@
 import { apiClient } from './client';
 import { Purchase, Paginated, PurchaseFilters } from '@/types/purchase';
 
+const buildPurchaseQuery = (filters: PurchaseFilters): string => {
+    const params = new URLSearchParams();
+
+    if (filters.email) params.append('email', filters.email);
+    if (filters.mobile) params.append('mobile', filters.mobile);
+    if (filters.package_name) params.append('package_name', filters.package_name);
+    if (filters.gateway) params.append('gateway', filters.gateway);
+    if (filters.status !== undefined && filters.status !== null) {
+        params.append('status', String(filters.status));
+    }
+    if (filters.product_id !== undefined && filters.product_id !== null) {
+        params.append('product_id', String(filters.product_id));
+    }
+    if (filters.per_page) params.append('per_page', String(filters.per_page));
+    if (filters.page) params.append('page', String(filters.page));
+
+    return params.toString();
+};
+
 export const purchasesApi = {
     // List all subscription purchases with optional filters
     getPurchases: async (filters: PurchaseFilters, token: string): Promise<Paginated<Purchase>> => {
-        const params = new URLSearchParams();
-
-        if (filters.email) params.append('email', filters.email);
-        if (filters.mobile) params.append('mobile', filters.mobile);
-        if (filters.package_name) params.append('package_name', filters.package_name);
-        if (filters.gateway) params.append('gateway', filters.gateway);
-        if (filters.status !== undefined && filters.status !== null) {
-            params.append('status', String(filters.status));
-        }
-        if (filters.per_page) params.append('per_page', String(filters.per_page));
-        if (filters.page) params.append('page', String(filters.page));
-
-        const qs = params.toString();
+        const qs = buildPurchaseQuery(filters);
         return apiClient.get<Paginated<Purchase>>(`/admin/purchases${qs ? `?${qs}` : ''}`, token);
     },
+
+    // Fetch ALL purchases matching the filters (used by the accounting section).
+    // Learns the total from page 1, then fetches the remaining pages concurrently.
+    getAllPurchases: async (filters: PurchaseFilters, token: string): Promise<Purchase[]> => {
+        const perPage = filters.per_page || 500;
+        const first = await purchasesApi.getPurchases({ ...filters, per_page: perPage, page: 1 }, token);
+
+        const all = new Map<number, Purchase>();
+        first.data.forEach((p) => all.set(p.id, p));
+
+        const lastPage = first.last_page ?? 1;
+        if (lastPage > 1) {
+            const pages: number[] = [];
+            for (let page = 2; page <= lastPage; page++) pages.push(page);
+
+            // Fetch in small concurrent batches to avoid hammering the API
+            const batchSize = 4;
+            for (let i = 0; i < pages.length; i += batchSize) {
+                const batch = pages.slice(i, i + batchSize);
+                const results = await Promise.all(
+                    batch.map((page) => purchasesApi.getPurchases({ ...filters, per_page: perPage, page }, token))
+                );
+                results.forEach((res) => res.data.forEach((p) => all.set(p.id, p)));
+            }
+        }
+
+        return Array.from(all.values());
+    },
 };

lib/utils.ts

@@ -1,10 +1,40 @@
 import { User } from "@/types/user";
+import { Purchase } from "@/types/purchase";
 
 // Single source of truth for product type labels lives in types/product.ts
 // (kept in sync with the backend Product::TYPES). Re-exported here so existing
 // `@/lib/utils` imports keep working without a divergent (previously wrong) map.
 export { getProductTypeLabel } from "@/types/product";
 
+// قیمت نهایی خرید — shared between purchases table and accounting page.
+// اگر محصول تخفیف داشته باشد قیمت تخفیف‌خورده، در غیر این صورت قیمت اصلی، و در نهایت مبلغ تراکنش.
+export const getPurchaseFinalPrice = (purchase: Purchase): number => {
+    const product = purchase.product;
+
+    // اگر محصول تخفیف دارد، قیمت نهایی همان قیمت تخفیف‌خورده است
+    const discountedPrice = product?.discounted_price;
+    if (discountedPrice) {
+        const parsed = parseInt(discountedPrice.replace(/[^\d]/g, ''), 10);
+        if (!Number.isNaN(parsed) && parsed > 0) return parsed;
+    }
+
+    // بدون تخفیف → قیمت اصلی محصول
+    if (product?.price) return product.price;
+
+    // برگشت به مبلغ ثبت‌شدهٔ تراکنش وقتی محصول در دسترس نیست
+    return purchase.amount || 0;
+};
+
+// Parse a percentage input (e.g. "۱۵%" / "15") and clamp to 0–100.
+export const parseStoreRate = (value: string | number): number => {
+    if (value === null || value === undefined || value === '') return 0;
+    const str = String(value).replace(/[^\d]/g, '');
+    if (!str) return 0;
+    const n = parseInt(str, 10);
+    if (Number.isNaN(n)) return 0;
+    return Math.min(100, Math.max(0, n));
+};
+
 export const formatDate = (dateString: string | null): string => {
     if (!dateString) return 'نامشخص';