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#!/usr/bin/env node
// =============================================================================
// run-query.mjs – SPARQL-Abfragen gegen den Knowledge Graph ausführen
//
// Verwendung:
// npm run query → interaktives Menü mit Filter
// npm run query -- <nummer> → Query direkt starten (z. B. npm run query -- 3)
// npm run query -- --list → Übersicht aller Queries
// npm run query -- --help → diese Hilfe
// =============================================================================
import { spawnSync } from 'child_process';
import { existsSync, readFileSync, readdirSync } from 'fs';
import { join, dirname, basename, extname } from 'path';
import { fileURLToPath } from 'url';
import { createRequire } from 'module';
import readline from 'readline';
import { QueryEngine } from '@comunica/query-sparql-file';
const __dirname = dirname(fileURLToPath(import.meta.url));
// ---------------------------------------------------------------------------
// Pfade
// ---------------------------------------------------------------------------
const SKILL = join(__dirname, '.agents/skills/sparql-query');
const GRAPH = join(__dirname, 'graph');
const QUERIES = join(__dirname, 'queries');
// ---------------------------------------------------------------------------
// ANSI
// ---------------------------------------------------------------------------
const T = process.stdout.isTTY;
const esc = (c) => T ? `\x1b[${c}m` : '';
const ansi = (c, s) => `${esc(c)}${s}${esc(0)}`;
const bold = (s) => ansi('1', s);
const dim = (s) => ansi('2', s);
const cyan = (s) => ansi('1;36', s);
const green = (s) => ansi('1;32', s);
const yellow = (s) => ansi('1;33', s);
const magenta = (s) => ansi('1;35', s);
const red = (s) => ansi('1;31', s);
const white = (s) => ansi('1;37', s);
// Länge ohne ANSI-Escape-Sequenzen
const visLen = (s) => s.replace(/\x1b\[[0-9;]*m/g, '').length;
const padEnd = (s, w) => s + ' '.repeat(Math.max(0, w - visLen(s)));
// ---------------------------------------------------------------------------
// Hilfsfunktionen
// ---------------------------------------------------------------------------
function die(msg) { console.error(red('Fehler: ') + msg); process.exit(1); }
function checkDeps() {
const req = createRequire(join(SKILL, 'package.json'));
try { req('@comunica/query-sparql-file'); }
catch {
console.log(yellow('Abhängigkeiten fehlen – werden installiert …'));
spawnSync('npm', ['install', '--silent'], { cwd: SKILL, stdio: 'inherit', shell: true });
}
}
function queryTitle(rqPath) {
try {
const line = readFileSync(rqPath, 'utf8').split('\n').find(l => l.startsWith('#'));
return line ? line.replace(/^#\s*/, '') : basename(rqPath);
} catch { return basename(rqPath); }
}
// ---------------------------------------------------------------------------
// Query-Katalog – vollständig dynamisch aus dem Dateisystem gebaut
// ---------------------------------------------------------------------------
/** Sammelt rekursiv alle *.ttl-Dateien unterhalb von `dir`. */
function collectTtl(dir) {
const files = [];
for (const entry of readdirSync(dir, { withFileTypes: true })) {
const full = join(dir, entry.name);
if (entry.isDirectory()) files.push(...collectTtl(full));
else if (entry.isFile() && extname(entry.name) === '.ttl') files.push(full);
}
return files;
}
/** Alle TTL-Dateien im gesamten graph/-Verzeichnis. */
const ALL_TTL = collectTtl(GRAPH);
/**
* Wandelt einen Ordnernamen wie "versand" in einen lesbaren Sektionsnamen
* (erster Buchstabe groß) um.
*/
function sectionName(folder) {
return folder.charAt(0).toUpperCase() + folder.slice(1);
}
/**
* Liest `queries/` dynamisch ein:
* queries/<sektion>/<name>.rq → ein ENTRY pro .rq-Datei
* Sektionen werden alphabetisch sortiert, Queries innerhalb einer Sektion
* ebenfalls alphabetisch.
* Jede Query läuft gegen alle TTL-Dateien in graph/.
*/
function buildEntries() {
if (!existsSync(QUERIES)) return [];
const entries = [];
const sectionFolders = readdirSync(QUERIES, { withFileTypes: true })
.filter(d => d.isDirectory())
.map(d => d.name)
.sort();
for (const folder of sectionFolders) {
const sec = sectionName(folder);
const secDir = join(QUERIES, folder);
const rqFiles = readdirSync(secDir, { withFileTypes: true })
.filter(f => f.isFile() && extname(f.name) === '.rq')
.map(f => f.name)
.sort();
for (const rqFile of rqFiles) {
const rqPath = join(secDir, rqFile);
entries.push({ section: sec, label: queryTitle(rqPath), rq: rqPath, ttl: ALL_TTL });
}
}
return entries.map((e, i) => ({ idx: i, ...e }));
}
const ENTRIES = buildEntries();
// ---------------------------------------------------------------------------
// Wert eines RDF-Terms bereinigt darstellen
// ---------------------------------------------------------------------------
function cleanTerm(raw) {
if (!raw) return '';
// Literal mit Sprachtag: "Wert"@de → Wert
let m = raw.match(/^"([\s\S]*)"@[a-z-]+$/);
if (m) return m[1];
// Literal mit Datentyp
m = raw.match(/^"([\s\S]*?)"\^\^<[^>]+>$/);
if (m) {
const val = m[1];
// Boolean
if (val === 'true') return '✓';
if (val === 'false') return '✗';
return val;
}
// Einfaches Literal
m = raw.match(/^"([\s\S]*)"$/);
if (m) return m[1];
// NamedNode: kürzen auf Fragment oder letztes Pfadsegment
m = raw.match(/^<[^>]*[#/]([^#/>]+)>$/);
if (m) return m[1];
return raw;
}
// ---------------------------------------------------------------------------
// SPARQL ausführen und Rohdaten liefern
// ---------------------------------------------------------------------------
async function runSparql(rqPath, ttlFiles) {
const engine = new QueryEngine();
const sources = ttlFiles.map(f => ({ type: 'file', value: `file://${f}` }));
const sparql = readFileSync(rqPath, 'utf8');
const result = await engine.query(sparql, { sources });
if (result.resultType === 'bindings') {
const stream = await result.execute();
const rows = [];
let vars = [];
await new Promise((ok, fail) => {
stream.on('data', b => {
if (!vars.length) vars = [...b.keys()].map(k => k.value);
const row = {};
for (const v of vars) row[v] = b.get(v)?.value !== undefined
? termRaw(b.get(v)) : '';
rows.push(row);
});
stream.on('end', ok);
stream.on('error', fail);
});
return { type: 'bindings', vars, rows };
}
if (result.resultType === 'boolean') {
const val = await result.execute();
return { type: 'boolean', val };
}
return { type: 'unknown' };
}
// Rohwert eines Comunica-Terms (analog zu termValue in query.js)
function termRaw(term) {
if (!term) return '';
if (term.termType === 'NamedNode') return `<${term.value}>`;
if (term.termType === 'Literal') {
if (term.language) return `"${term.value}"@${term.language}`;
const dt = term.datatype?.value;
if (dt && dt !== 'http://www.w3.org/2001/XMLSchema#string')
return `"${term.value}"^^<${dt}>`;
return `"${term.value}"`;
}
if (term.termType === 'BlankNode') return `_:${term.value}`;
return term.value;
}
// ---------------------------------------------------------------------------
// Tabelle formatieren
// ---------------------------------------------------------------------------
const SECTION_COLORS = { Glossar: magenta, Versand: yellow, Personen: green };
const colColor = (sec) => SECTION_COLORS[sec] ?? white;
function printTable(entry, vars, rows) {
const cc = colColor(entry.section);
// Spalten bereinigen
const clean = rows.map(r => {
const out = {};
for (const v of vars) out[v] = cleanTerm(r[v]);
return out;
});
// Spaltenbreiten (min = Header-Länge)
const widths = vars.map(v =>
Math.max(visLen(v), ...clean.map(r => visLen(r[v] ?? '')))
);
const hr = '┼' + widths.map(w => '─'.repeat(w + 2)).join('┼') + '┼';
const top = '┌' + widths.map(w => '─'.repeat(w + 2)).join('┬') + '┐';
const mid = '├' + widths.map(w => '─'.repeat(w + 2)).join('┼') + '┤';
const bot = '└' + widths.map(w => '─'.repeat(w + 2)).join('┴') + '┘';
const fmtCell = (val, w) => ` ${padEnd(val, w)} `;
const headerRow = '│' + vars.map((v, i) => fmtCell(bold(v), widths[i] + visLen(bold('')) )) .join('│') + '│';
console.log('');
console.log(cyan(`▶ ${entry.label}`));
console.log(dim(` ${entry.rq.replace(__dirname + '/', '')}`));
console.log('');
console.log(dim(top));
console.log(dim('│') + vars.map((v, i) => bold(` ${v.padEnd(widths[i])} `)).join(dim('│')) + dim('│'));
console.log(dim(mid));
for (const row of clean) {
const cells = vars.map((v, i) => {
const val = row[v] ?? '';
// Boolesches Ergebnis einfärben
const colored = val === '✓' ? green(val) : val === '✗' ? red(val) : val;
return ` ${padEnd(colored, widths[i] + visLen(colored) - visLen(val))} `;
});
console.log(dim('│') + cells.join(dim('│')) + dim('│'));
}
console.log(dim(bot));
console.log(dim(` ${rows.length} Ergebnis${rows.length !== 1 ? 'se' : ''}`));
console.log('');
}
// ---------------------------------------------------------------------------
// Query ausführen
// ---------------------------------------------------------------------------
async function executeQuery(entry) {
let data;
try {
data = await runSparql(entry.rq, entry.ttl);
} catch (err) {
console.error(red('SPARQL-Fehler: ') + err.message);
return;
}
if (data.type === 'bindings') {
if (!data.rows.length) {
console.log(dim(' (keine Ergebnisse)'));
return;
}
printTable(entry, data.vars, data.rows);
} else if (data.type === 'boolean') {
console.log(`\n Ergebnis: ${data.val ? green('true') : red('false')}\n`);
} else {
console.log(dim(' (unbekannter Ergebnistyp)'));
}
}
// ---------------------------------------------------------------------------
// Interaktives Menü mit Live-Filter
// ---------------------------------------------------------------------------
function printHeader() {
console.log('');
console.log(cyan(bold('╔══════════════════════════════════════════════════════════════╗')));
console.log(cyan(bold('║ Knowledge Graph – SPARQL Query Runner ║')));
console.log(cyan(bold('╚══════════════════════════════════════════════════════════════╝')));
console.log('');
}
// Sektionsreihenfolge wird dynamisch aus ENTRIES abgeleitet (Einfügereihenfolge)
const SECTION_ORDER = [...new Set(ENTRIES.map(e => e.section))];
function sectionHeader(sec) {
const fn = SECTION_COLORS[sec] ?? white;
const len = Math.max(4, 48 - sec.length);
return fn(bold(`── ${sec} ${'─'.repeat(len)}`));
}
// Fuzzy-Filter: alle Buchstaben des Suchbegriffs müssen in Label erscheinen
function fuzzyMatch(label, filter) {
if (!filter) return true;
const hay = label.toLowerCase();
let i = 0;
for (const ch of filter.toLowerCase()) {
const pos = hay.indexOf(ch, i);
if (pos === -1) return false;
i = pos + 1;
}
return true;
}
async function interactiveMenu() {
let filter = '';
let cursor = 0; // Index in der gefilterten Liste
let chosen = null;
readline.emitKeypressEvents(process.stdin);
if (process.stdin.isTTY) process.stdin.setRawMode(true);
let lastLineCount = 0;
function filtered() {
return ENTRIES.filter(e => fuzzyMatch(e.label, filter));
}
function draw() {
if (lastLineCount > 0) {
process.stdout.write(`\x1b[${lastLineCount}A\x1b[J`);
}
const list = filtered();
cursor = Math.min(cursor, Math.max(0, list.length - 1));
const lines = [];
// Eingabezeile – immer sichtbar, mit blinkenden Cursor-Block
const inputText = filter.length ? white(filter) : '';
const placeholder = filter.length ? '' : dim('Tippen zum Filtern …');
lines.push(` ${cyan(bold('❯'))} ${inputText}${placeholder}`);
lines.push(dim(' ↑/↓ navigieren • Enter auswählen • Esc beenden'));
lines.push('');
if (!list.length) {
lines.push(dim(' Keine Treffer.'));
} else {
let curSection = '';
list.forEach((e, i) => {
if (e.section !== curSection) {
curSection = e.section;
lines.push(` ${sectionHeader(e.section)}`);
}
if (i === cursor) {
lines.push(` ${cyan(bold('▶'))} ${bold(e.label)}`);
} else {
lines.push(` ${e.label}`);
}
});
}
lines.push('');
process.stdout.write(lines.join('\n') + '\n');
lastLineCount = lines.length;
}
draw();
await new Promise((resolve) => {
function cleanup() {
if (process.stdin.isTTY) process.stdin.setRawMode(false);
process.stdin.removeListener('keypress', onKey);
process.stdin.pause();
}
function onKey(str, key) {
if (!key) return;
const list = filtered();
if (key.name === 'up') {
if (list.length) cursor = (cursor - 1 + list.length) % list.length;
} else if (key.name === 'down') {
if (list.length) cursor = (cursor + 1) % list.length;
} else if (key.name === 'return') {
chosen = list[cursor] ?? null;
cleanup(); resolve(); return;
} else if (key.name === 'escape' || (key.ctrl && key.name === 'c')) {
chosen = null; cleanup(); resolve(); return;
} else if (key.name === 'backspace') {
if (filter.length) { filter = filter.slice(0, -1); cursor = 0; }
} else if (str && !key.ctrl && !key.meta && str.length === 1 && str >= ' ') {
// Jedes druckbare Zeichen landet im Filter – auch j, k, q
filter += str;
cursor = 0;
} else {
return;
}
draw();
}
process.stdin.on('keypress', onKey);
process.stdin.resume();
});
if (lastLineCount > 0) {
process.stdout.write(`\x1b[${lastLineCount}A\x1b[J`);
}
return chosen;
}
// ---------------------------------------------------------------------------
// --list Ausgabe
// ---------------------------------------------------------------------------
function printList() {
let curSection = '';
ENTRIES.forEach((e, i) => {
if (e.section !== curSection) {
curSection = e.section;
console.log(`\n ${sectionHeader(e.section)}`);
}
console.log(` ${bold(String(i + 1).padStart(2) + ')')} ${e.label}`);
});
console.log('');
}
// ---------------------------------------------------------------------------
// main
// ---------------------------------------------------------------------------
const arg = process.argv[2];
if (arg === '--help' || arg === '-h') {
console.log(`\nVerwendung: npm run query [-- <nr> | -- --list | -- --help]\n`);
console.log(' Ohne Argument interaktives Menü mit Filter (Tippen filtert, ↑/↓ navigiert)');
console.log(` <nummer> Query direkt ausführen (1–${ENTRIES.length})`);
console.log(' --list Alle Queries auflisten');
console.log(' --help Diese Hilfe\n');
process.exit(0);
}
if (arg === '--list' || arg === '-l') {
printHeader();
printList();
process.exit(0);
}
if (arg && /^\d+$/.test(arg)) {
const num = parseInt(arg, 10);
if (num < 1 || num > ENTRIES.length) die(`Ungültige Nummer: ${num} (1–${ENTRIES.length})`);
checkDeps();
await executeQuery(ENTRIES[num - 1]);
process.exit(0);
}
// Interaktives Menü
checkDeps();
printHeader();
while (true) {
const entry = await interactiveMenu();
if (!entry) {
console.log(dim('\nTschüss!\n'));
process.exit(0);
}
await executeQuery(entry);
// Auf Enter warten
await new Promise(resolve => {
process.stdout.write(dim(' [Enter] zurück zum Menü … '));
readline.emitKeypressEvents(process.stdin);
if (process.stdin.isTTY) process.stdin.setRawMode(true);
function onKey(_s, key) {
if (!key) return;
if (process.stdin.isTTY) process.stdin.setRawMode(false);
process.stdin.removeListener('keypress', onKey);
process.stdin.pause();
if ((key.ctrl && key.name === 'c') || key.name === 'q') {
console.log(dim('\n\nTschüss!\n'));
process.exit(0);
}
console.log('');
resolve();
}
process.stdin.on('keypress', onKey);
process.stdin.resume();
});
printHeader();
}
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