feat : add transactions api to get all transactions

app/api/admin/transactions/route.ts

@@ -0,0 +1,57 @@
+import dbConfig from "@utils/db";
+import { decrypt } from "@sessions/sessionUtils";
+import { Admin, Hospital, Patient, Transaction } from "@models/index";
+import { TransactionDetails } from "@types";
+
+export async function GET(request: Request) {
+  const session = request.headers.get("Authorization");
+  if (!session) {
+    return Response.json({ error: "Unauthorized" }, { status: 401 });
+  }
+
+  try {
+    const token = session.split("Bearer ")[1];
+    const decryptedUser = await decrypt(token);
+    const email = decryptedUser.user.email;
+
+    await dbConfig();
+
+    const adminData = await Admin.findOne({ email });
+
+    if (!adminData) {
+      return Response.json({ error: "Admin not found" }, { status: 404 });
+    }
+
+    const transactions = await Transaction.find({}).sort({ createdAt: -1 });
+
+    const transactionDetails: TransactionDetails[] = await Promise.all(
+      transactions.map(async (transaction) => {
+        const patient = await Patient.findById(transaction.patient);
+        const hospital = await Hospital.findById(transaction.hospital);
+
+        return {
+          transaction_id: transaction.transaction_id,
+          patient: {
+            name: `${patient?.firstname} ${patient?.lastname}` || "",
+            profile: patient?.profile || "",
+          },
+
+          hospital: {
+            name: `${hospital?.firstname} ${hospital?.lastname}` || "",
+            profile: hospital?.profile || "",
+          },
+          disease: transaction.disease,
+          description: transaction.description,
+          amount: transaction.amount,
+          status: transaction.status,
+          date: transaction.createdAt.toISOString(),
+        };
+      })
+    );
+
+    return Response.json(transactionDetails);
+  } catch (error) {
+    console.error("Error fetching Transaction data:", error);
+    return Response.json({ error: "Internal Server Error" }, { status: 500 });
+  }
+}