ledger revanced

src/lib/ledger-global-summary-server.ts

@@ -0,0 +1,48 @@
+import type { SupabaseClient } from "@supabase/supabase-js";
+import type { DbTransaction } from "@/types/database";
+import {
+  applyTransactionToMutableAccumulator,
+  createMutableLedgerAccumulator,
+  mutableAccumulatorToIntegrity,
+  sortedNonZeroUserNetPairs,
+  type LedgerGlobalSummary,
+} from "@/lib/ledger-integrity";
+
+const PAGE_SIZE = 5000;
+
+/**
+ * Scans every transaction row (paginated) and builds full integrity + user nets.
+ * Server-only — call from Server Components / Route Handlers, not from client components.
+ */
+export async function fetchLedgerGlobalSummary(
+  supabase: SupabaseClient,
+): Promise<{ ok: true; data: LedgerGlobalSummary } | { ok: false; message: string }> {
+  const acc = createMutableLedgerAccumulator();
+  let offset = 0;
+  for (;;) {
+    const { data, error } = await supabase
+      .from("transactions")
+      .select("id, created_at, from, to, amount, remarks, match_id")
+      .order("id", { ascending: true })
+      .range(offset, offset + PAGE_SIZE - 1);
+
+    if (error) {
+      return { ok: false, message: error.message };
+    }
+    const rows = (data ?? []) as DbTransaction[];
+    if (rows.length === 0) {
+      break;
+    }
+    for (const row of rows) {
+      applyTransactionToMutableAccumulator(acc, row);
+    }
+    offset += rows.length;
+    if (rows.length < PAGE_SIZE) {
+      break;
+    }
+  }
+
+  const integrity = mutableAccumulatorToIntegrity(acc);
+  const userNetEntries = sortedNonZeroUserNetPairs(acc.net);
+  return { ok: true, data: { integrity, userNetEntries } };
+}