ERP-node/frontend/components/dashboard/widgets/TransportStatsWidget.tsx

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/**
* 운송 통계 위젯
* - 총 운송량 (톤)
* - 누적 거리 (km)
* - 정시 도착률 (%)
* - 쿼리 결과 기반 통계 계산
*/
"use client";
import { useState, useEffect } from "react";
import { DashboardElement } from "@/components/admin/dashboard/types";
interface TransportStatsWidgetProps {
element?: DashboardElement;
refreshInterval?: number;
}
interface StatsData {
total_count: number;
total_weight: number;
total_distance: number;
on_time_rate: number;
}
export default function TransportStatsWidget({ element, refreshInterval = 60000 }: TransportStatsWidgetProps) {
const [stats, setStats] = useState<StatsData | null>(null);
const [isLoading, setIsLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
// 데이터 로드
const loadData = async () => {
try {
setIsLoading(true);
setError(null);
// 쿼리가 설정되어 있지 않으면 안내 메시지만 표시
if (!element?.dataSource?.query) {
setError("쿼리를 설정해주세요");
setIsLoading(false);
return;
}
// 쿼리 실행하여 통계 계산
const token = localStorage.getItem("authToken");
const response = await fetch("/api/dashboards/execute-query", {
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${token}`,
},
body: JSON.stringify({
query: element.dataSource.query,
connectionType: element.dataSource.connectionType || "current",
externalConnectionId: element.dataSource.externalConnectionId,
}),
});
if (!response.ok) throw new Error("데이터 로딩 실패");
const result = await response.json();
if (!result.success || !result.data?.rows) {
throw new Error(result.message || "데이터 로드 실패");
}
const data = result.data.rows || [];
if (data.length === 0) {
setStats({ total_count: 0, total_weight: 0, total_distance: 0, on_time_rate: 0 });
return;
}
// 자동으로 숫자 컬럼 감지 및 합계 계산
const firstRow = data[0];
const numericColumns: { [key: string]: number } = {};
// 모든 컬럼을 순회하며 숫자 컬럼 찾기
Object.keys(firstRow).forEach((key) => {
const value = firstRow[key];
// 숫자로 변환 가능한 컬럼만 선택
if (value !== null && !isNaN(parseFloat(value))) {
numericColumns[key] = data.reduce((sum: number, item: any) => {
return sum + (parseFloat(item[key]) || 0);
}, 0);
}
});
// 특정 키워드를 포함한 컬럼 자동 매핑
const weightKeys = ["weight", "cargo_weight", "total_weight", "중량", "무게"];
const distanceKeys = ["distance", "total_distance", "거리", "주행거리"];
const onTimeKeys = ["is_on_time", "on_time", "onTime", "정시", "정시도착"];
// 총 운송량 찾기
let total_weight = 0;
for (const key of Object.keys(numericColumns)) {
if (weightKeys.some((keyword) => key.toLowerCase().includes(keyword.toLowerCase()))) {
total_weight = numericColumns[key];
break;
}
}
// 누적 거리 찾기
let total_distance = 0;
for (const key of Object.keys(numericColumns)) {
if (distanceKeys.some((keyword) => key.toLowerCase().includes(keyword.toLowerCase()))) {
total_distance = numericColumns[key];
break;
}
}
// 정시 도착률 계산
let on_time_rate = 0;
for (const key of Object.keys(firstRow)) {
if (onTimeKeys.some((keyword) => key.toLowerCase().includes(keyword.toLowerCase()))) {
const onTimeItems = data.filter((item: any) => {
const onTime = item[key];
return onTime !== null && onTime !== undefined;
});
if (onTimeItems.length > 0) {
const onTimeCount = onTimeItems.filter((item: any) => {
const onTime = item[key];
return onTime === true || onTime === "true" || onTime === 1 || onTime === "1";
}).length;
on_time_rate = (onTimeCount / onTimeItems.length) * 100;
}
break;
}
}
const calculatedStats: StatsData = {
total_count: data.length, // 총 건수
total_weight,
total_distance,
on_time_rate,
};
setStats(calculatedStats);
} catch (err) {
console.error("통계 로드 실패:", err);
setError(err instanceof Error ? err.message : "데이터를 불러올 수 없습니다");
} finally {
setIsLoading(false);
}
};
useEffect(() => {
loadData();
const interval = setInterval(loadData, refreshInterval);
return () => clearInterval(interval);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [refreshInterval, element?.dataSource]);
if (isLoading && !stats) {
return (
<div className="flex h-full items-center justify-center bg-gray-50">
<div className="text-center">
<div className="mx-auto h-8 w-8 animate-spin rounded-full border-4 border-blue-500 border-t-transparent" />
<div className="mt-2 text-sm text-gray-600"> ...</div>
</div>
</div>
);
}
if (error || !stats) {
return (
<div className="flex h-full items-center justify-center bg-gray-50 p-4">
<div className="text-center">
<div className="mb-2 text-4xl"></div>
<div className="text-sm font-medium text-gray-600">{error || "데이터 없음"}</div>
{!element?.dataSource?.query && (
<div className="mt-2 text-xs text-gray-500"> </div>
)}
<button
onClick={loadData}
className="mt-3 rounded-lg bg-blue-500 px-4 py-2 text-sm text-white hover:bg-blue-600"
>
</button>
</div>
</div>
);
}
return (
<div className="flex h-full items-center justify-center bg-white p-6">
<div className="grid w-full grid-cols-2 gap-4">
{/* 총 건수 */}
<div className="rounded-lg border bg-indigo-50 p-4 text-center">
<div className="text-sm text-gray-600"> </div>
<div className="mt-2 text-3xl font-bold text-indigo-600">
{stats.total_count.toLocaleString()}
<span className="ml-1 text-lg"></span>
</div>
</div>
{/* 총 운송량 */}
<div className="rounded-lg border bg-green-50 p-4 text-center">
<div className="text-sm text-gray-600"> </div>
<div className="mt-2 text-3xl font-bold text-green-600">
{stats.total_weight.toFixed(1)}
<span className="ml-1 text-lg"></span>
</div>
</div>
{/* 누적 거리 */}
<div className="rounded-lg border bg-blue-50 p-4 text-center">
<div className="text-sm text-gray-600"> </div>
<div className="mt-2 text-3xl font-bold text-blue-600">
{stats.total_distance.toFixed(1)}
<span className="ml-1 text-lg">km</span>
</div>
</div>
{/* 정시 도착률 */}
<div className="rounded-lg border bg-purple-50 p-4 text-center">
<div className="text-sm text-gray-600"> </div>
<div className="mt-2 text-3xl font-bold text-purple-600">
{stats.on_time_rate.toFixed(1)}
<span className="ml-1 text-lg">%</span>
</div>
</div>
</div>
</div>
);
}