243 lines
9.8 KiB
TypeScript
243 lines
9.8 KiB
TypeScript
import { Hono } from 'hono';
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import type { RowDataPacket } from 'mysql2';
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import pool from '../db.js';
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import type { AuthUser } from '../auth/types.js';
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import { canAccessEnergy } from '../auth/types.js';
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import {
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buildHydrogenPoints,
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filterHydrogenStationsByRadius,
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HYDROGEN_HEATMAP_DEFAULT_END,
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HYDROGEN_HEATMAP_DEFAULT_START,
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parseHydrogenHeatmapQuery,
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parseNearbyQuery,
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rankHydrogenStations,
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serializeHydrogenStation,
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type HydrogenPayer,
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type HydrogenStationRecord,
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} from './hydrogen-heatmap-model.js';
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type StationRow = RowDataPacket & HydrogenStationRecord;
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const VALID_COORDINATE = `
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o.longitude BETWEEN 73.5 AND 135.1
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AND o.latitude BETWEEN 18 AND 53.6
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AND COALESCE(o.province, '') NOT LIKE '%西藏%'
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`;
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function buildWhere(startDate: string, endDate: string, query: string, payer: HydrogenPayer) {
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const clauses = [
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`b.del_flag = '0'`,
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`DATE(b.refuel_time) BETWEEN ? AND ?`,
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VALID_COORDINATE,
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];
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const params: Array<string | number> = [startDate, endDate];
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if (query) {
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clauses.push(`CONVERT(CONCAT_WS(' ', s.station_name, s.station_short_name, b.station_name, o.station_name, o.fixed_station_name, o.station_address, o.city) USING utf8mb4) COLLATE utf8mb4_unicode_ci LIKE CONVERT(? USING utf8mb4) COLLATE utf8mb4_unicode_ci`);
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params.push(`%${query}%`);
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}
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if (payer === 'lingniu') {
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clauses.push(`COALESCE(b.customer_price, 0) <= 0 AND COALESCE(b.fee_total, 0) <= 0`);
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} else if (payer === 'customer') {
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clauses.push(`(COALESCE(b.customer_price, 0) > 0 OR COALESCE(b.fee_total, 0) > 0)`);
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}
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return { sql: clauses.join(' AND '), params };
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}
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async function loadStations(
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startDate: string,
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endDate: string,
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query: string,
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payer: HydrogenPayer,
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): Promise<StationRow[]> {
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const where = buildWhere(startDate, endDate, query, payer);
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const [rows] = await pool.execute<StationRow[]>(`
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SELECT
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CAST(b.station_id AS CHAR) AS station_id,
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COALESCE(
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NULLIF(MAX(s.station_short_name), ''),
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NULLIF(MAX(s.station_name), ''),
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NULLIF(MAX(b.station_name), ''),
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NULLIF(MAX(o.fixed_station_name), ''),
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CONCAT('未知站点 #', b.station_id)
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) AS station_name,
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COALESCE(NULLIF(MAX(o.station_address), ''), NULLIF(MAX(s.station_address), ''), '') AS address,
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MAX(o.longitude) AS longitude,
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MAX(o.latitude) AS latitude,
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ROUND(SUM(COALESCE(b.amount_kg, 0)), 2) AS kg,
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COUNT(*) AS refuel_count,
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COUNT(DISTINCT COALESCE(NULLIF(TRIM(b.license_plate), ''), CONCAT('vehicle#', b.vehicle_id))) AS vehicle_count,
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DATE_FORMAT(MIN(b.refuel_time), '%Y-%m-%d %H:%i:%s') AS first_refuel,
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DATE_FORMAT(MAX(b.refuel_time), '%Y-%m-%d %H:%i:%s') AS last_refuel
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FROM hydrogen_fuel_ledger b
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LEFT JOIN hydrogen_station s ON s.id = b.station_id AND s.del_flag = '0'
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INNER JOIN tab_outside_hydrogen_site o ON o.inner_site_id = b.station_id
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WHERE ${where.sql}
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GROUP BY b.station_id
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`, where.params);
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return rows;
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}
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const router = new Hono();
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router.use('*', async (c, next) => {
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const user = (c as { get: (key: string) => unknown }).get('user') as AuthUser | undefined;
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if (user && !canAccessEnergy(user.roles)) {
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return c.json({ error: 'Forbidden: 能源管理访问需要 BI-LEADER-ENERGY 角色' }, 403);
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}
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return next();
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});
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router.get('/config', (c) => {
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const key = process.env.AMAP_WEB_KEY;
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const securityCode = process.env.AMAP_SECURITY_JS_CODE;
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if (!key || !securityCode) return c.json({ error: '高德地图配置缺失' }, 503);
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return c.json({ key, securityCode });
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});
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router.get('/meta', async (c) => {
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const [profileRows, optionRows] = await Promise.all([
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pool.query<RowDataPacket[]>(`
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SELECT
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DATE_FORMAT(MIN(b.refuel_time), '%Y-%m-%d') AS start_date,
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DATE_FORMAT(MAX(b.refuel_time), '%Y-%m-%d') AS end_date,
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COUNT(*) AS total_refuel_count,
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ROUND(SUM(COALESCE(b.amount_kg, 0)), 2) AS total_kg,
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COUNT(DISTINCT b.station_id) AS total_station_count,
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COUNT(DISTINCT COALESCE(NULLIF(TRIM(b.license_plate), ''), CONCAT('vehicle#', b.vehicle_id))) AS vehicle_count,
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SUM(CASE WHEN ${VALID_COORDINATE} THEN 1 ELSE 0 END) AS eligible_refuel_count,
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ROUND(SUM(CASE WHEN ${VALID_COORDINATE} THEN COALESCE(b.amount_kg, 0) ELSE 0 END), 2) AS eligible_kg,
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COUNT(DISTINCT CASE WHEN ${VALID_COORDINATE} THEN b.station_id END) AS eligible_station_count
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FROM hydrogen_fuel_ledger b
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LEFT JOIN tab_outside_hydrogen_site o ON o.inner_site_id = b.station_id
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WHERE b.del_flag = '0'
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`),
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pool.query<RowDataPacket[]>(`
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SELECT
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CAST(s.id AS CHAR) AS station_id,
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COALESCE(NULLIF(s.station_short_name, ''), s.station_name) AS station_name
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FROM hydrogen_station s
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INNER JOIN tab_outside_hydrogen_site o ON o.inner_site_id = s.id
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INNER JOIN hydrogen_fuel_ledger b ON b.station_id = s.id AND b.del_flag = '0'
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WHERE s.del_flag = '0' AND ${VALID_COORDINATE}
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GROUP BY s.id, s.station_short_name, s.station_name
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ORDER BY station_name
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`),
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]);
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const profile = profileRows[0][0] || {};
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const totalRefuelCount = Number(profile.total_refuel_count) || 0;
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const eligibleRefuelCount = Number(profile.eligible_refuel_count) || 0;
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return c.json({
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startDate: profile.start_date || HYDROGEN_HEATMAP_DEFAULT_START,
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endDate: profile.end_date || HYDROGEN_HEATMAP_DEFAULT_END,
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totalRefuelCount,
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eligibleRefuelCount,
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excludedRefuelCount: Math.max(0, totalRefuelCount - eligibleRefuelCount),
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gpsCoverageRate: totalRefuelCount ? eligibleRefuelCount / totalRefuelCount : 0,
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totalKg: Number(profile.total_kg) || 0,
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eligibleKg: Number(profile.eligible_kg) || 0,
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vehicleCount: Number(profile.vehicle_count) || 0,
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totalStationCount: Number(profile.total_station_count) || 0,
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eligibleStationCount: Number(profile.eligible_station_count) || 0,
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stations: optionRows[0].map((row) => ({
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stationId: String(row.station_id),
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stationName: String(row.station_name),
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})),
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});
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});
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router.get('/points', async (c) => {
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const { startDate, endDate, query, payer, metric } = parseHydrogenHeatmapQuery({
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startDate: c.req.query('startDate'),
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endDate: c.req.query('endDate'),
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query: c.req.query('query'),
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payer: c.req.query('payer'),
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metric: c.req.query('metric'),
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});
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if (startDate > endDate) return c.json({ error: '开始日期不能晚于结束日期' }, 400);
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const stations = await loadStations(startDate, endDate, query, payer);
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const ranked = rankHydrogenStations(stations, metric);
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const { points, max } = buildHydrogenPoints(ranked, metric);
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const where = buildWhere(startDate, endDate, query, payer);
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const [summaryRows] = await pool.execute<RowDataPacket[]>(`
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SELECT
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ROUND(SUM(COALESCE(b.amount_kg, 0)), 2) AS kg,
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COUNT(*) AS refuel_count,
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COUNT(DISTINCT COALESCE(NULLIF(TRIM(b.license_plate), ''), CONCAT('vehicle#', b.vehicle_id))) AS vehicle_count,
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COUNT(DISTINCT b.station_id) AS station_count,
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COUNT(DISTINCT DATE(b.refuel_time)) AS day_count
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FROM hydrogen_fuel_ledger b
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LEFT JOIN hydrogen_station s ON s.id = b.station_id AND s.del_flag = '0'
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INNER JOIN tab_outside_hydrogen_site o ON o.inner_site_id = b.station_id
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WHERE ${where.sql}
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`, where.params);
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const summary = summaryRows[0] || {};
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return c.json({
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startDate,
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endDate,
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metric,
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payer,
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kg: Number(summary.kg) || 0,
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refuelCount: Number(summary.refuel_count) || 0,
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vehicleCount: Number(summary.vehicle_count) || 0,
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stationCount: Number(summary.station_count) || 0,
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dayCount: Number(summary.day_count) || 0,
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points,
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max,
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topStations: ranked.slice(0, 10).map((row) => serializeHydrogenStation(row, metric)),
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});
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});
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router.get('/nearby', async (c) => {
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const { center, radiusKm } = parseNearbyQuery({
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lng: c.req.query('lng'),
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lat: c.req.query('lat'),
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radiusKm: c.req.query('radiusKm'),
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});
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if (!center) return c.json({ error: '经纬度参数无效' }, 400);
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const { startDate, endDate, query, payer, metric } = parseHydrogenHeatmapQuery({
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startDate: c.req.query('startDate'),
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endDate: c.req.query('endDate'),
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query: c.req.query('query'),
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payer: c.req.query('payer'),
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metric: c.req.query('metric'),
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});
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const stations = await loadStations(startDate, endDate, query, payer);
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const nearby = filterHydrogenStationsByRadius(stations, center, radiusKm);
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const nearbyIds = nearby.map((row) => row.station_id);
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let nearbySummary = { kg: 0, refuelCount: 0, vehicleCount: 0, stationCount: 0 };
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if (nearbyIds.length) {
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const placeholders = nearbyIds.map(() => '?').join(',');
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const where = buildWhere(startDate, endDate, query, payer);
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const [rows] = await pool.execute<RowDataPacket[]>(`
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SELECT
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ROUND(SUM(COALESCE(b.amount_kg, 0)), 2) AS kg,
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COUNT(*) AS refuel_count,
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COUNT(DISTINCT COALESCE(NULLIF(TRIM(b.license_plate), ''), CONCAT('vehicle#', b.vehicle_id))) AS vehicle_count,
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COUNT(DISTINCT b.station_id) AS station_count
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FROM hydrogen_fuel_ledger b
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LEFT JOIN hydrogen_station s ON s.id = b.station_id AND s.del_flag = '0'
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INNER JOIN tab_outside_hydrogen_site o ON o.inner_site_id = b.station_id
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WHERE ${where.sql} AND CAST(b.station_id AS CHAR) IN (${placeholders})
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`, [...where.params, ...nearbyIds]);
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nearbySummary = {
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kg: Number(rows[0]?.kg) || 0,
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refuelCount: Number(rows[0]?.refuel_count) || 0,
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vehicleCount: Number(rows[0]?.vehicle_count) || 0,
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stationCount: Number(rows[0]?.station_count) || 0,
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};
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}
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const ranked = rankHydrogenStations(nearby, metric);
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return c.json({
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center,
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radiusKm,
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kg: nearbySummary.kg,
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refuelCount: nearbySummary.refuelCount,
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vehicleCount: nearbySummary.vehicleCount,
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stationCount: nearbySummary.stationCount,
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topStations: ranked.slice(0, 10).map((row) => serializeHydrogenStation(row, metric)),
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});
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});
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export default router;
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