71 lines
2.5 KiB
TypeScript
71 lines
2.5 KiB
TypeScript
import { NextRequest, NextResponse } from 'next/server';
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import { query } from '@/lib/db';
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import { getSession } from '@/lib/session';
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export async function GET(request: NextRequest) {
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const session = await getSession();
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if (!session) return NextResponse.json({ error: 'Nicht angemeldet' }, { status: 401 });
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const { searchParams } = new URL(request.url);
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const kuppel = searchParams.get('kuppel') || 'West';
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const year = parseInt(searchParams.get('year') || String(new Date().getFullYear()), 10);
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try {
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// 1) Monatliche Besucherzahlen nach ArtFuehrung
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const monthlyRows = await query(
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`SELECT
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MONTH(Beginn) AS monat,
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ArtFuehrung,
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SUM(Besucher) AS besucher,
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COUNT(*) AS anzahl
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FROM logbuch
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WHERE Kuppel = ? AND YEAR(Beginn) = ?
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GROUP BY MONTH(Beginn), ArtFuehrung
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ORDER BY monat, ArtFuehrung`,
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[kuppel, year]
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) as { monat: number; ArtFuehrung: string; besucher: number; anzahl: number }[];
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// 2) Kumulierte Besucher im Jahr
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const cumulativeRows = await query(
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`SELECT SUM(Besucher) AS total FROM logbuch WHERE Kuppel = ? AND YEAR(Beginn) = ?`,
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[kuppel, year]
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) as { total: number | null }[];
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// 3) Anzahl Führungstage (distinct Datum)
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const tageRows = await query(
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`SELECT COUNT(DISTINCT DATE(Beginn)) AS tage FROM logbuch WHERE Kuppel = ? AND YEAR(Beginn) = ?`,
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[kuppel, year]
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) as { tage: number }[];
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// 4) Kumulierte Besucher über alle Kuppeln
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const allCumulativeRows = await query(
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`SELECT SUM(Besucher) AS total FROM logbuch WHERE YEAR(Beginn) = ?`,
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[year]
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) as { total: number | null }[];
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// 5) Führungstage über alle Kuppeln
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const allTageRows = await query(
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`SELECT COUNT(DISTINCT DATE(Beginn)) AS tage FROM logbuch WHERE YEAR(Beginn) = ?`,
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[year]
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) as { tage: number }[];
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return NextResponse.json({
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monthly: monthlyRows.map((r) => ({
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monat: Number(r.monat),
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ArtFuehrung: r.ArtFuehrung,
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besucher: Number(r.besucher),
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anzahl: Number(r.anzahl),
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})),
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cumulative: Number(cumulativeRows[0]?.total ?? 0),
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tage: Number(tageRows[0]?.tage ?? 0),
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allCumulative: Number(allCumulativeRows[0]?.total ?? 0),
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allTage: Number(allTageRows[0]?.tage ?? 0),
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year,
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kuppel,
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});
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} catch (error) {
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console.error('GET /api/statistik:', error);
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return NextResponse.json({ error: 'Datenbankfehler' }, { status: 500 });
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}
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}
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