initial commit

apps/Backend/src/storage/export-payments-reports-storage.ts

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+import { storage } from "../storage";
+import { getPatientFinancialRowsFn } from "./patients-storage";
+import { GetPatientBalancesResult } from "@repo/db/types";
+
+type PatientSummaryRow = {
+  patientId: number;
+  firstName: string | null;
+  lastName: string | null;
+  currentBalance: number;
+};
+
+/**
+ * Page through storage.getPatientsWithBalances to return the full list (not paginated).
+ * Uses the same filters (from/to) as the existing queries.
+ */
+export async function fetchAllPatientsWithBalances(
+  from?: Date | null,
+  to?: Date | null,
+  pageSize = 500
+): Promise<PatientSummaryRow[]> {
+  const all: PatientSummaryRow[] = [];
+  let cursor: string | null = null;
+  while (true) {
+    const page: GetPatientBalancesResult =
+      await storage.getPatientsWithBalances(pageSize, cursor, from, to);
+    if (!page) break;
+    if (Array.isArray(page.balances) && page.balances.length) {
+      for (const b of page.balances) {
+        all.push({
+          patientId: Number(b.patientId),
+          firstName: b.firstName ?? null,
+          lastName: b.lastName ?? null,
+          currentBalance: Number(b.currentBalance ?? 0),
+        });
+      }
+    }
+    if (!page.hasMore || !page.nextCursor) break;
+    cursor = page.nextCursor;
+  }
+  return all;
+}
+
+/**
+ * Page through storage.getPatientsBalancesByDoctor to return full patient list for the staff.
+ */
+export async function fetchAllPatientsForDoctor(
+  staffId: number,
+  from?: Date | null,
+  to?: Date | null,
+  pageSize = 500
+): Promise<PatientSummaryRow[]> {
+  const all: PatientSummaryRow[] = [];
+  let cursor: string | null = null;
+  while (true) {
+    const page: GetPatientBalancesResult =
+      await storage.getPatientsBalancesByDoctor(
+        staffId,
+        pageSize,
+        cursor,
+        from,
+        to
+      );
+    if (!page) break;
+    if (Array.isArray(page.balances) && page.balances.length) {
+      for (const b of page.balances) {
+        all.push({
+          patientId: Number(b.patientId),
+          firstName: b.firstName ?? null,
+          lastName: b.lastName ?? null,
+          currentBalance: Number(b.currentBalance ?? 0),
+        });
+      }
+    }
+    if (!page.hasMore || !page.nextCursor) break;
+    cursor = page.nextCursor;
+  }
+  return all;
+}
+
+/**
+ * For each patient, call the existing function to fetch full financial rows.
+ * This uses your existing getPatientFinancialRowsFn which returns { rows, totalCount }.
+ *
+ * The function returns an array of:
+ * { patientId, firstName, lastName, currentBalance, financialRows: Array<{ type, date, procedureCode, billed, paid, adjusted, totalDue, status }> }
+ */
+export async function buildExportRowsForPatients(
+  patients: PatientSummaryRow[],
+  perPatientLimit = 5000
+) {
+  const out: Array<any> = [];
+
+  for (const p of patients) {
+    const patientId = Number(p.patientId);
+    const { rows } = await getPatientFinancialRowsFn(
+      patientId,
+      perPatientLimit,
+      0
+    ); // returns rows array similarly to your earlier code
+
+    const frs = rows.flatMap((r: any) => {
+      const svc = r.service_lines ?? [];
+      if (svc.length > 0) {
+        return svc.map((sl: any) => ({
+          type: r.type,
+          date: r.date ? new Date(r.date).toLocaleDateString() : "",
+          procedureCode: String(sl.procedureCode ?? "-"),
+          billed: Number(sl.totalBilled ?? 0),
+          paid: Number(sl.totalPaid ?? 0),
+          adjusted: Number(sl.totalAdjusted ?? 0),
+          totalDue: Number(sl.totalDue ?? 0),
+          status: sl.status ?? r.status ?? "",
+        }));
+      } else {
+        return [
+          {
+            type: r.type,
+            date: r.date ? new Date(r.date).toLocaleDateString() : "",
+            procedureCode: "-",
+            billed: Number(r.total_billed ?? r.totalBilled ?? 0),
+            paid: Number(r.total_paid ?? r.totalPaid ?? 0),
+            adjusted: Number(r.total_adjusted ?? r.totalAdjusted ?? 0),
+            totalDue: Number(r.total_due ?? r.totalDue ?? 0),
+            status: r.status ?? "",
+          },
+        ];
+      }
+    });
+
+    out.push({
+      patientId,
+      firstName: p.firstName,
+      lastName: p.lastName,
+      currentBalance: Number(p.currentBalance ?? 0),
+      financialRows: frs,
+    });
+  }
+
+  return out;
+}