2025-11-19 16:30:16 +01:00

140 lines
4.2 KiB
TypeScript

import { NextRequest, NextResponse } from "next/server";
const BE_BASE_URL = process.env.BE_BASE_URL || "http://localhost:5000";
const COOKIE_NAME = "auth_token";
export async function POST(request: NextRequest) {
try {
const { cookies } = await import("next/headers");
const cookieStore = await cookies();
const token = cookieStore.get(COOKIE_NAME)?.value;
if (!token) {
return NextResponse.json(
{ message: "Missing Authorization header" },
{ status: 401 }
);
}
// Parse request body
const body = await request.json();
const { filters = {}, pagination = { page: 1, limit: 10 }, sort } = body;
// Build query string for backend
const queryParts: string[] = [];
// Add pagination (standard key=value format)
queryParts.push(`limit=${pagination.limit}`);
queryParts.push(`page=${pagination.page}`);
// Add sorting if provided (still key=value)
if (sort) {
queryParts.push(`sort=${sort.field}:${sort.order}`);
}
// Track date ranges separately so we can emit BETWEEN/>/< syntax
const dateRanges: Record<string, { start?: string; end?: string }> = {};
// Process filters - convert FilterValue objects to operator/value format
for (const [key, filterValue] of Object.entries(filters)) {
if (!filterValue) continue;
// Handle date range helpers (e.g. Created_start / Created_end)
if (/_start$|_end$/.test(key)) {
const baseField = key.replace(/_(start|end)$/, "");
if (!dateRanges[baseField]) {
dateRanges[baseField] = {};
}
const targetKey = key.endsWith("_start") ? "start" : "end";
const stringValue =
typeof filterValue === "string"
? filterValue
: (filterValue as { value?: string }).value;
if (stringValue) {
dateRanges[baseField][targetKey] = stringValue;
}
continue;
}
let op: string;
let value: string;
if (typeof filterValue === "string") {
// Simple string filter - default to ==
op = "==";
value = filterValue;
} else {
// FilterValue object with operator and value
const filterVal = filterValue as { operator?: string; value: string };
op = filterVal.operator || "==";
value = filterVal.value;
}
if (!value) continue;
// Encode value to prevent breaking URL
const encodedValue = encodeURIComponent(value);
queryParts.push(`${key}=${op}/${encodedValue}`);
}
// Emit date range filters using backend format
for (const [field, { start, end }] of Object.entries(dateRanges)) {
if (start && end) {
queryParts.push(
`${field}=BETWEEN/${encodeURIComponent(start)}/${encodeURIComponent(
end
)}`
);
continue;
}
if (start) {
queryParts.push(`${field}=>/${encodeURIComponent(start)}`);
} else if (end) {
queryParts.push(`${field}=</${encodeURIComponent(end)}`);
}
}
const queryString = queryParts.join("&");
const backendUrl = `${BE_BASE_URL}/api/v1/transactions${queryString ? `?${queryString}` : ""}`;
console.log("[DEBUG] [TRANSACTIONS] Backend URL:", backendUrl);
const response = await fetch(backendUrl, {
method: "GET",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${token}`,
},
cache: "no-store",
});
if (!response.ok) {
const errorData = await response
.json()
.catch(() => ({ message: "Failed to fetch transactions" }));
return NextResponse.json(
{
success: false,
message: errorData?.message || "Failed to fetch transactions",
},
{ status: response.status }
);
}
const data = await response.json();
console.log("[DEBUG] [TRANSACTIONS] Response data:", data);
return NextResponse.json(data, { status: response.status });
} catch (err: unknown) {
console.error("Proxy GET /api/v1/transactions error:", err);
const errorMessage = err instanceof Error ? err.message : "Unknown error";
return NextResponse.json(
{ message: "Internal server error", error: errorMessage },
{ status: 500 }
);
}
}