Added financial report

apps/edr-passenger-web/backoffice/src/lib/api/finance.ts

@@ -0,0 +1,65 @@
+import { apiClient } from '@/lib/api-client';
+
+export type FinanceGranularity = 'daily' | 'weekly' | 'monthly';
+
+export interface FinanceSummaryFilters {
+  dateFrom: string;
+  dateTo: string;
+  granularity?: FinanceGranularity;
+  originStationId?: string;
+  destinationStationId?: string;
+  method?: string;
+}
+
+export interface FinanceBucketRow {
+  period: string;
+  originStationId: string;
+  destinationStationId: string;
+  segmentLabel: string;
+  method: string;
+  bookingCount: number;
+  revenueEtbMinor: number;
+}
+
+export interface FinanceRollupRow {
+  key: string;
+  label: string;
+  revenueEtbMinor: number;
+  bookingCount: number;
+}
+
+export interface FinanceTotals {
+  bookingCount: number;
+  revenueEtbMinor: number;
+}
+
+export interface FinanceSummaryReport {
+  granularity: FinanceGranularity;
+  dateFrom: string;
+  dateTo: string;
+  currency: string;
+  totals: FinanceTotals;
+  byPeriod: FinanceRollupRow[];
+  bySegment: FinanceRollupRow[];
+  byMethod: FinanceRollupRow[];
+  rows: FinanceBucketRow[];
+}
+
+/** Drops blanks so the API applies its own defaults (granularity=daily, no station/method filter). */
+function toParams(filters: FinanceSummaryFilters): Record<string, string> {
+  const params: Record<string, string> = { dateFrom: filters.dateFrom, dateTo: filters.dateTo };
+  if (filters.granularity) params.granularity = filters.granularity;
+  if (filters.originStationId) params.originStationId = filters.originStationId;
+  if (filters.destinationStationId) params.destinationStationId = filters.destinationStationId;
+  if (filters.method) params.method = filters.method;
+  return params;
+}
+
+export const financeApi = {
+  getSummary: (filters: FinanceSummaryFilters) =>
+    apiClient.get<FinanceSummaryReport>('/reports/finance', { params: toParams(filters) }),
+
+  /** CSV export. `getRaw` because the endpoint streams a bare CSV body, not the `{success,data}` envelope. */
+  exportCsv: (filters: FinanceSummaryFilters) =>
+    apiClient.getRaw<string>('/reports/finance/export', { params: toParams(filters) }),
+};