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Copy pathweb_viewer.py
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682 lines (609 loc) · 30.6 KB
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# -*- coding: utf-8 -*-
"""
KnowledgeDigest -- Web-Viewer (stdlib-only).
Startet einen lokalen Webserver mit Dashboard, Browse und Suche.
Nutzt nur Python-Stdlib (kein Flask/Django noetig).
Adaptiert von Wissensdatenbank viewer.py.
Usage:
python -m KnowledgeDigest --web # Default Port 8787
python -m KnowledgeDigest --web --port 9000 # Custom Port
"""
import os
import sys
import json
import html
import shutil
import sqlite3
import argparse
import webbrowser
import urllib.parse
import threading
from http.server import HTTPServer, BaseHTTPRequestHandler
from pathlib import Path
def _get_conn(db_path):
conn = sqlite3.connect(str(db_path), timeout=30)
conn.row_factory = sqlite3.Row
return conn
def _esc(text):
return html.escape(str(text)) if text else ""
# ============================================================
# CSS + Layout
# ============================================================
_CSS = """
:root { --bg: #0d1117; --surface: #161b22; --border: #30363d; --text: #e6edf3;
--text2: #8b949e; --accent: #58a6ff; --green: #3fb950; --orange: #d29922; --red: #f85149; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text);
line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
h1 { font-size: 1.6em; margin-bottom: 8px; }
h2 { font-size: 1.2em; color: var(--text2); margin: 20px 0 10px; }
.nav { display: flex; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.nav a { font-weight: 600; padding: 4px 12px; border-radius: 6px; }
.nav a.active, .nav a:hover { background: var(--surface); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
padding: 16px; margin-bottom: 12px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.stat-card { text-align: center; }
.stat-card .num { font-size: 2em; font-weight: 700; color: var(--accent); }
.stat-card .label { color: var(--text2); font-size: 0.85em; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text2); font-size: 0.85em; text-transform: uppercase; }
tr:hover { background: rgba(88,166,255,0.04); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 0.8em; font-weight: 600; }
.badge-green { background: rgba(63,185,80,0.15); color: var(--green); }
.badge-orange { background: rgba(210,153,34,0.15); color: var(--orange); }
.badge-blue { background: rgba(88,166,255,0.15); color: var(--accent); }
.search-box { display: flex; gap: 8px; margin-bottom: 20px; }
.search-box input { flex: 1; padding: 10px 14px; background: var(--surface); border: 1px solid var(--border);
border-radius: 6px; color: var(--text); font-size: 1em; }
.search-box button { padding: 10px 20px; background: var(--accent); color: #fff; border: none;
border-radius: 6px; cursor: pointer; font-weight: 600; }
.summary-text { color: var(--text); line-height: 1.5; margin: 8px 0; }
.kw { color: var(--text2); font-size: 0.85em; }
.domain-tag { display: inline-block; padding: 2px 8px; background: rgba(88,166,255,0.1);
color: var(--accent); border-radius: 4px; font-size: 0.8em; margin-right: 4px; }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
.pager a { padding: 6px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; }
.progress-bar { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; margin-top: 8px; }
.progress-fill { height: 100%; background: var(--green); border-radius: 4px; transition: width 0.3s; }
"""
_HEAD = """<!DOCTYPE html><html lang="de"><head><meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>KnowledgeDigest</title><style>{css}</style></head><body>
<h1>KnowledgeDigest</h1>
<nav class="nav">
<a href="/" {nav_dash}>Dashboard</a>
<a href="/summaries" {nav_sum}>Summaries</a>
<a href="/browse" {nav_browse}>Browse</a>
<a href="/search" {nav_search}>Suche</a>
<a href="/folders" {nav_folders}>Ordner</a>
</nav>"""
_FOOT = """<hr style="border-color:var(--border);margin:30px 0 10px">
<p style="color:var(--text2);font-size:0.8em;text-align:center">
KnowledgeDigest | {docs} Dokumente | {summaries} Summaries</p></body></html>"""
def _layout(body, active="dash", db_path=None):
conn = _get_conn(db_path)
docs = conn.execute("SELECT COUNT(*) FROM documents").fetchone()[0]
sums = conn.execute("SELECT COUNT(*) FROM summaries").fetchone()[0]
conn.close()
navs = {"nav_dash": "", "nav_sum": "", "nav_browse": "", "nav_search": "", "nav_folders": ""}
key = {"dash": "nav_dash", "sum": "nav_sum", "browse": "nav_browse",
"search": "nav_search", "folders": "nav_folders"}.get(active, "nav_dash")
navs[key] = 'class="active"'
head = _HEAD.format(css=_CSS, **navs)
foot = _FOOT.format(docs=f"{docs:,}", summaries=f"{sums:,}")
return head + body + foot
# ============================================================
# Pages
# ============================================================
def page_dashboard(db_path):
conn = _get_conn(db_path)
docs = conn.execute("SELECT COUNT(*) FROM documents").fetchone()[0]
chunks = conn.execute("SELECT COUNT(*) FROM document_chunks").fetchone()[0]
words = conn.execute("SELECT COALESCE(SUM(word_count),0) FROM documents").fetchone()[0]
sums = conn.execute("SELECT COUNT(*) FROM summaries WHERE source_type='document'").fetchone()[0]
pending = conn.execute("SELECT COUNT(*) FROM digest_queue WHERE status='pending'").fetchone()[0]
done = conn.execute("SELECT COUNT(*) FROM digest_queue WHERE status='done'").fetchone()[0]
pct = round(done / max(docs, 1) * 100, 1)
by_type = conn.execute(
"SELECT file_type, COUNT(*) as cnt, SUM(word_count) as words "
"FROM documents GROUP BY file_type ORDER BY cnt DESC"
).fetchall()
domains = conn.execute(
"SELECT domain, COUNT(*) as cnt FROM summaries "
"WHERE domain != '' GROUP BY domain ORDER BY cnt DESC LIMIT 15"
).fetchall()
recent = conn.execute(
"SELECT s.source_id, d.filename, s.domain, s.summary, s.created_at "
"FROM summaries s JOIN documents d ON d.id = s.source_id "
"WHERE s.source_type='document' ORDER BY s.created_at DESC LIMIT 5"
).fetchall()
conn.close()
body = f"""
<div class="stat-grid">
<div class="card stat-card"><div class="num">{docs:,}</div><div class="label">Dokumente</div></div>
<div class="card stat-card"><div class="num">{chunks:,}</div><div class="label">Chunks</div></div>
<div class="card stat-card"><div class="num">{words:,}</div><div class="label">Woerter</div></div>
<div class="card stat-card"><div class="num">{sums:,}</div><div class="label">Summaries</div></div>
</div>
<h2>Summarization Fortschritt</h2>
<div class="card">
<div style="display:flex;justify-content:space-between">
<span>{done:,} / {docs:,} Dokumente</span>
<span style="color:var(--green);font-weight:700">{pct}%</span>
</div>
<div class="progress-bar"><div class="progress-fill" style="width:{pct}%"></div></div>
<div style="margin-top:8px;color:var(--text2);font-size:0.85em">
<span class="badge badge-green">{done:,} done</span>
<span class="badge badge-orange">{pending:,} pending</span>
</div>
</div>
<h2>Dateitypen</h2>
<div class="card"><table><tr><th>Typ</th><th>Dateien</th><th>Wörter</th></tr>"""
for r in by_type:
w = r["words"] or 0
body += f'<tr><td><span class="badge badge-blue">{_esc(r["file_type"])}</span></td>'
body += f'<td>{r["cnt"]:,}</td><td>{w:,}</td></tr>'
body += "</table></div>"
if domains:
body += '<h2>Domains (Top 15)</h2><div class="card"><table><tr><th>Domain</th><th>Summaries</th></tr>'
for r in domains:
body += f'<tr><td><span class="domain-tag">{_esc(r["domain"])}</span></td><td>{r["cnt"]}</td></tr>'
body += "</table></div>"
if recent:
body += '<h2>Letzte Summaries</h2>'
for r in recent:
body += f"""<div class="card">
<div style="display:flex;justify-content:space-between;align-items:center">
<a href="/doc/{r['source_id']}"><strong>{_esc(r['filename'])}</strong></a>
<span class="domain-tag">{_esc(r['domain'])}</span>
</div>
<p class="summary-text">{_esc(r['summary'][:200])}</p>
<span style="color:var(--text2);font-size:0.8em">{_esc(r['created_at'])}</span>
</div>"""
return _layout(body, "dash", db_path)
def page_summaries(db_path, page=1, per_page=25):
conn = _get_conn(db_path)
offset = (page - 1) * per_page
total = conn.execute("SELECT COUNT(*) FROM summaries WHERE source_type='document'").fetchone()[0]
rows = conn.execute(
"SELECT s.source_id, s.chunk_index, d.filename, s.summary, s.keywords, s.domain, s.model, s.created_at "
"FROM summaries s JOIN documents d ON d.id = s.source_id "
"WHERE s.source_type='document' ORDER BY s.created_at DESC LIMIT ? OFFSET ?",
(per_page, offset)
).fetchall()
conn.close()
total_pages = max(1, (total + per_page - 1) // per_page)
body = f'<h2>Summaries ({total:,} gesamt, Seite {page}/{total_pages})</h2>'
for r in rows:
kws = r["keywords"] or ""
body += f"""<div class="card">
<div style="display:flex;justify-content:space-between;align-items:center">
<a href="/doc/{r['source_id']}"><strong>{_esc(r['filename'])}</strong></a>
<span class="domain-tag">{_esc(r['domain'])}</span>
</div>
<p class="summary-text">{_esc(r['summary'])}</p>
<div class="kw">Keywords: {_esc(kws)} | Model: {_esc(r['model'])} | {_esc(r['created_at'])}</div>
</div>"""
body += '<div class="pager">'
if page > 1:
body += f'<a href="/summaries?page={page-1}">« Zurück</a>'
if page < total_pages:
body += f'<a href="/summaries?page={page+1}">Weiter »</a>'
body += '</div>'
return _layout(body, "sum", db_path)
def page_browse(db_path, page=1, per_page=50):
conn = _get_conn(db_path)
offset = (page - 1) * per_page
total = conn.execute("SELECT COUNT(*) FROM documents").fetchone()[0]
rows = conn.execute(
"SELECT d.id, d.filename, d.file_type, d.word_count, d.chunk_count, "
"(SELECT COUNT(*) FROM summaries s WHERE s.source_type='document' AND s.source_id=d.id) as sum_count "
"FROM documents d ORDER BY d.filename LIMIT ? OFFSET ?",
(per_page, offset)
).fetchall()
conn.close()
total_pages = max(1, (total + per_page - 1) // per_page)
body = f'<h2>Dokumente ({total:,} gesamt, Seite {page}/{total_pages})</h2>'
body += '<div class="card"><table><tr><th>Datei</th><th>Typ</th><th>Wörter</th><th>Chunks</th><th>Summaries</th></tr>'
for r in rows:
badge = '<span class="badge badge-green">done</span>' if r["sum_count"] > 0 else '<span class="badge badge-orange">pending</span>'
body += f'<tr><td><a href="/doc/{r["id"]}">{_esc(r["filename"])}</a></td>'
body += f'<td><span class="badge badge-blue">{_esc(r["file_type"])}</span></td>'
body += f'<td>{r["word_count"]:,}</td><td>{r["chunk_count"]}</td><td>{badge}</td></tr>'
body += '</table></div>'
body += '<div class="pager">'
if page > 1:
body += f'<a href="/browse?page={page-1}">« Zurück</a>'
if page < total_pages:
body += f'<a href="/browse?page={page+1}">Weiter »</a>'
body += '</div>'
return _layout(body, "browse", db_path)
def page_doc(db_path, doc_id):
conn = _get_conn(db_path)
doc = conn.execute("SELECT * FROM documents WHERE id=?", (doc_id,)).fetchone()
if not doc:
conn.close()
return _layout('<div class="card">Dokument nicht gefunden.</div>', "browse", db_path)
chunks = conn.execute(
"SELECT chunk_index, content, token_count FROM document_chunks WHERE doc_id=? ORDER BY chunk_index",
(doc_id,)
).fetchall()
sums = conn.execute(
"SELECT chunk_index, summary, keywords, domain, model, created_at FROM summaries "
"WHERE source_type='document' AND source_id=? ORDER BY chunk_index",
(doc_id,)
).fetchall()
sum_map = {s["chunk_index"]: s for s in sums}
kws = conn.execute(
"SELECT keyword, source FROM document_keywords WHERE doc_id=? ORDER BY source, keyword",
(doc_id,)
).fetchall()
conn.close()
body = f"""<h2>{_esc(doc['filename'])}</h2>
<div class="card"><table>
<tr><td style="color:var(--text2)">Pfad</td><td style="font-size:0.85em">
<a href="#" onclick="openFile({doc_id}); return false;"
style="cursor:pointer" title="Datei öffnen">{_esc(doc['file_path'])}</a></td></tr>
<tr><td style="color:var(--text2)">Typ</td><td><span class="badge badge-blue">{_esc(doc['file_type'])}</span></td></tr>
<tr><td style="color:var(--text2)">Wörter</td><td>{doc['word_count']:,}</td></tr>
<tr><td style="color:var(--text2)">Chunks</td><td>{doc['chunk_count']}</td></tr>
<tr><td style="color:var(--text2)">Indexiert</td><td>{_esc(doc['ingested_at'])}</td></tr>
</table>
<div style="margin-top:12px">
<a href="#" onclick="openFile({doc_id}); return false;"
style="display:inline-block;padding:8px 16px;background:var(--accent);color:#fff;
border-radius:6px;font-weight:600;cursor:pointer;text-decoration:none">Datei öffnen</a>
<a href="#" onclick="resetDoc({doc_id}); return false;"
style="display:inline-block;padding:8px 16px;background:var(--red);color:#fff;
border-radius:6px;font-weight:600;cursor:pointer;text-decoration:none;margin-left:12px">
Summaries zurücksetzen</a>
<a href="#" onclick="deleteFile({doc_id}); return false;"
style="display:inline-block;padding:8px 16px;background:#222;color:#ff4444;
border-radius:6px;font-weight:600;cursor:pointer;text-decoration:none;margin-left:12px;border:1px solid #ff4444">
🗑️ LÖSCHEN (Papierkorb)</a>
</div></div>
<script>
function openFile(docId) {{
fetch('/open/' + docId, {{method: 'POST'}}).then(r => r.json())
.then(data => {{ if (!data.ok) alert('Fehler: ' + data.error); }})
.catch(e => alert('Fehler: ' + e));
}}
function resetDoc(docId) {{
if(!confirm('Summaries für dieses Dokument löschen und neu berechnen lassen?')) return;
fetch('/api/reset_doc/' + docId, {{method: 'POST'}})
.then(r => r.json())
.then(data => {{
if(data.ok) location.reload();
else alert('Fehler: ' + data.error);
}})
.catch(e => alert('Fehler: ' + e));
}}
function deleteFile(docId) {{
if(!confirm('ACHTUNG: Soll die echte Datei physisch in den _Papierkorb verschoben und komplett aus der Datenbank entfernt werden?')) return;
fetch('/api/delete_file/' + docId, {{method: 'POST'}})
.then(r => r.json())
.then(data => {{
if(data.ok) location.href = '/';
else alert('Fehler: ' + data.error);
}})
.catch(e => alert('Fehler: ' + e));
}}
</script>"""
if kws:
body += '<h2>Keywords</h2><div class="card">'
for kw in kws:
cls = "badge-blue" if kw["source"] == "content" else "badge-orange"
body += f'<span class="badge {cls}" style="margin:2px">{_esc(kw["keyword"])}</span> '
body += '</div>'
body += '<h2>Chunks & Summaries</h2>'
for ch in chunks:
ci = ch["chunk_index"]
s = sum_map.get(ci)
body += f"""<div class="card">
<div style="display:flex;justify-content:space-between">
<strong>Chunk {ci}</strong>
<span style="color:var(--text2);font-size:0.85em">{ch['token_count']} tokens</span>
</div>
<pre style="white-space:pre-wrap;color:var(--text2);font-size:0.85em;margin:8px 0;
max-height:200px;overflow-y:auto">{_esc(ch['content'][:1000])}</pre>"""
if s:
body += f"""<div style="border-top:1px solid var(--border);padding-top:8px;margin-top:8px">
<span class="domain-tag">{_esc(s['domain'])}</span>
<span class="badge badge-green">summarized</span>
<span style="color:var(--text2);font-size:0.8em">({_esc(s['model'])})</span>
<p class="summary-text" style="margin-top:6px">{_esc(s['summary'])}</p>
<div class="kw">Keywords: {_esc(s['keywords'])}</div>
</div>"""
else:
body += '<div style="margin-top:8px"><span class="badge badge-orange">no summary</span></div>'
body += '</div>'
return _layout(body, "browse", db_path)
def page_search(db_path, query="", limit=30):
body = f"""<h2>Volltextsuche</h2>
<form class="search-box" method="get" action="/search">
<input type="text" name="q" value="{_esc(query)}" placeholder="Suchbegriff eingeben...">
<button type="submit">Suchen</button>
</form>"""
if query:
conn = _get_conn(db_path)
try:
rows = conn.execute(
"SELECT d.id, d.filename, d.file_type, d.word_count, "
"snippet(document_fts, 1, char(1), char(2), '...', 30) as snippet "
"FROM document_fts JOIN document_chunks dc ON document_fts.rowid = dc.id "
"JOIN documents d ON dc.doc_id = d.id "
"WHERE document_fts MATCH ? ORDER BY document_fts.rank LIMIT ?",
(query, limit)
).fetchall()
except Exception:
like = f"%{query}%"
rows = conn.execute(
"SELECT DISTINCT d.id, d.filename, d.file_type, d.word_count, '' as snippet "
"FROM documents d LEFT JOIN document_chunks dc ON dc.doc_id = d.id "
"WHERE dc.content LIKE ? OR d.filename LIKE ? LIMIT ?",
(like, like, limit)
).fetchall()
conn.close()
if rows:
seen = set()
body += f'<p style="color:var(--text2)">{len(rows)} Treffer</p>'
for r in rows:
if r["id"] in seen:
continue
seen.add(r["id"])
# XSS-Schutz: Dokumentinhalt escapen, erst DANACH die
# char(1)/char(2)-Platzhalter zu <mark>-Tags machen
snippet = _esc(r["snippet"] or "").replace(
"\x01", "<mark>").replace("\x02", "</mark>")
body += f"""<div class="card">
<a href="/doc/{r['id']}"><strong>{_esc(r['filename'])}</strong></a>
<span class="badge badge-blue" style="margin-left:8px">{_esc(r['file_type'])}</span>
<span style="color:var(--text2);margin-left:8px">{r['word_count']:,} Wörter</span>
<p style="font-size:0.9em;margin-top:6px">{snippet}</p>
</div>"""
else:
body += '<div class="card">Keine Treffer.</div>'
return _layout(body, "search", db_path)
def page_folders(db_path):
conn = _get_conn(db_path)
rows = conn.execute(
"SELECT source_dir, COUNT(*) as cnt, SUM(word_count) as words, "
"SUM(CASE WHEN id IN (SELECT source_id FROM summaries WHERE source_type='document') THEN 1 ELSE 0 END) as sum_cnt "
"FROM documents GROUP BY source_dir ORDER BY cnt DESC"
).fetchall()
conn.close()
body = '<h2>Ordner</h2>'
body += '<div class="card"><table><tr><th>Ordner</th><th>Dateien</th><th>Wörter</th><th>Summaries</th><th>%</th></tr>'
for r in rows:
cnt = r["cnt"]
sc = r["sum_cnt"]
pct = round(sc / max(cnt, 1) * 100)
folder = r["source_dir"] or "(root)"
words = r["words"] or 0
color = "var(--green)" if pct == 100 else "var(--orange)" if pct > 0 else "var(--text2)"
body += f"""<tr>
<td title="{_esc(folder)}">{_esc(folder[:80])}</td>
<td>{cnt}</td><td>{words:,}</td><td>{sc}/{cnt}</td>
<td style="color:{color};font-weight:600">{pct}%</td>
</tr>"""
body += '</table></div>'
return _layout(body, "folders", db_path)
# ============================================================
# HTTP Handler
# ============================================================
class ViewerHandler(BaseHTTPRequestHandler):
db_path = None
# ── Sicherheits-Gates (Review 2026-07-04) ────────────────────
# Der Server bindet nur an 127.0.0.1, aber ohne Host-Check kann eine
# boesartige Webseite per DNS-Rebinding lesen und ohne Methoden-/
# Origin-Check per <img src>/Form-POST loeschen (CSRF).
def _host_allowed(self):
host = self.headers.get("Host") or ""
if "\r" in host or "\n" in host:
return False
port = self.server.server_port
return host in (
f"127.0.0.1:{port}", f"localhost:{port}", f"[::1]:{port}",
"127.0.0.1", "localhost", "[::1]",
)
def _ensure_host_allowed(self):
if self._host_allowed():
return True
self._respond(403, json.dumps({"ok": False, "error": "Forbidden host"}),
"application/json")
return False
def _origin_allowed(self):
"""POST-CSRF-Schutz: Origin/Referer muss loopback sein (oder fehlen,
damit lokale CLI-Tools wie curl weiter funktionieren — Browser senden
bei Cross-Origin-POSTs immer einen Origin-Header)."""
origin = self.headers.get("Origin") or self.headers.get("Referer") or ""
if not origin:
return True
try:
host = urllib.parse.urlparse(origin).hostname
except Exception:
return False
return host in ("127.0.0.1", "localhost", "::1")
def do_GET(self):
if not self._ensure_host_allowed():
return
parsed = urllib.parse.urlparse(self.path)
path = parsed.path
params = urllib.parse.parse_qs(parsed.query)
try:
if path == "/" or path == "":
content = page_dashboard(self.db_path)
elif path == "/summaries":
pg = int(params.get("page", [1])[0])
content = page_summaries(self.db_path, page=pg)
elif path == "/browse":
pg = int(params.get("page", [1])[0])
content = page_browse(self.db_path, page=pg)
elif path.startswith("/doc/"):
doc_id = int(path.split("/doc/")[1])
content = page_doc(self.db_path, doc_id)
elif path == "/search":
q = params.get("q", [""])[0]
content = page_search(self.db_path, query=q)
elif path == "/folders":
content = page_folders(self.db_path)
elif path == "/api/status":
content = self._api_status()
self._respond(200, content, "application/json")
return
elif path.startswith(("/open/", "/api/reset_doc/", "/api/delete_file/")):
# Zustandsaendernde Routen sind POST-only (Review 2026-07-04:
# vorher loeste bereits ein <img src>-GET die Loeschung aus)
self._respond(405, json.dumps(
{"ok": False, "error": "POST required"}), "application/json")
return
else:
content = _layout('<div class="card">404 - Seite nicht gefunden</div>', "dash", self.db_path)
self._respond(200, content)
except Exception as e:
content = _layout(f'<div class="card" style="color:var(--red)">Fehler: {_esc(str(e))}</div>',
"dash", self.db_path)
self._respond(500, content)
def do_POST(self):
"""Zustandsaendernde Routen — POST-only, mit Host- und Origin-Gate."""
if not self._ensure_host_allowed():
return
if not self._origin_allowed():
self._respond(403, json.dumps(
{"ok": False, "error": "Forbidden origin"}), "application/json")
return
path = urllib.parse.urlparse(self.path).path
try:
if path.startswith("/open/"):
doc_id = int(path.split("/open/")[1])
result = self._open_file(doc_id)
self._respond(200, json.dumps(result), "application/json")
elif path.startswith("/api/reset_doc/"):
doc_id = int(path.split("/api/reset_doc/")[1])
self._reset_doc(doc_id)
elif path.startswith("/api/delete_file/"):
doc_id = int(path.split("/api/delete_file/")[1])
self._delete_file(doc_id)
else:
self._respond(404, json.dumps(
{"ok": False, "error": "Unknown POST endpoint"}), "application/json")
except Exception as e:
self._respond(500, json.dumps(
{"ok": False, "error": str(e)}), "application/json")
def _reset_doc(self, doc_id):
conn = _get_conn(self.db_path)
try:
conn.execute("DELETE FROM summaries WHERE source_type='document' AND source_id=?", (doc_id,))
conn.execute("UPDATE digest_queue SET status='pending', error_msg=NULL WHERE source_type='document' AND source_id=?", (doc_id,))
conn.commit()
self._respond(200, json.dumps({"ok": True}), "application/json")
except Exception as e:
self._respond(500, json.dumps({"ok": False, "error": str(e)}), "application/json")
finally:
conn.close()
def _delete_file(self, doc_id):
conn = _get_conn(self.db_path)
try:
doc = conn.execute("SELECT file_path FROM documents WHERE id=?", (doc_id,)).fetchone()
if doc:
file_path = doc['file_path']
trash_dir = Path(self.db_path).parent / "_Papierkorb"
trash_dir.mkdir(parents=True, exist_ok=True)
if os.path.exists(file_path):
base_name = os.path.basename(file_path)
trash_path = trash_dir / base_name
counter = 1
while trash_path.exists():
name, ext = os.path.splitext(base_name)
trash_path = trash_dir / f"{name}_{counter}{ext}"
counter += 1
try:
shutil.move(file_path, str(trash_path))
except Exception as e:
print(f"Move Error: {e}")
conn.execute("DELETE FROM summaries WHERE source_type='document' AND source_id=?", (doc_id,))
conn.execute("DELETE FROM document_keywords WHERE doc_id=?", (doc_id,))
conn.execute("DELETE FROM document_chunks WHERE doc_id=?", (doc_id,))
conn.execute("DELETE FROM digest_queue WHERE source_type='document' AND source_id=?", (doc_id,))
conn.execute("DELETE FROM documents WHERE id=?", (doc_id,))
conn.commit()
self._respond(200, json.dumps({"ok": True}), "application/json")
else:
self._respond(404, json.dumps({"ok": False, "error": "Doc not found"}), "application/json")
except Exception as e:
self._respond(500, json.dumps({"ok": False, "error": str(e)}), "application/json")
finally:
conn.close()
def _open_file(self, doc_id):
conn = _get_conn(self.db_path)
row = conn.execute("SELECT file_path FROM documents WHERE id=?", (doc_id,)).fetchone()
conn.close()
if not row:
return {"ok": False, "error": "Dokument nicht gefunden"}
file_path = row["file_path"]
p = Path(file_path)
if not p.exists():
return {"ok": False, "error": f"Datei nicht gefunden: {file_path}"}
try:
if sys.platform == "win32":
os.startfile(str(p))
else:
import subprocess
subprocess.run(["xdg-open", str(p)])
return {"ok": True, "path": file_path}
except Exception as e:
return {"ok": False, "error": str(e)}
def _api_status(self):
conn = _get_conn(self.db_path)
docs = conn.execute("SELECT COUNT(*) FROM documents").fetchone()[0]
sums = conn.execute("SELECT COUNT(*) FROM summaries WHERE source_type='document'").fetchone()[0]
pending = conn.execute("SELECT COUNT(*) FROM digest_queue WHERE status='pending'").fetchone()[0]
conn.close()
return json.dumps({"documents": docs, "summaries": sums, "pending": pending})
def _respond(self, status, content, content_type="text/html; charset=utf-8"):
self.send_response(status)
self.send_header("Content-Type", content_type)
data = content.encode("utf-8")
self.send_header("Content-Length", str(len(data)))
self.end_headers()
self.wfile.write(data)
def log_message(self, format, *args):
pass
# ============================================================
# Server Start
# ============================================================
def start_server_thread(db_path, port=8787):
"""Startet den Web-Viewer in einem Daemon-Thread. Gibt den Server zurueck."""
ViewerHandler.db_path = Path(db_path)
server = HTTPServer(("127.0.0.1", port), ViewerHandler)
thread = threading.Thread(target=server.serve_forever, daemon=True)
thread.start()
return server
def launch_web():
"""CLI-Entry-Point fuer den Web-Viewer."""
# Config laden
sys.path.insert(0, str(Path(__file__).parent))
from config import get_config
cfg = get_config()
parser = argparse.ArgumentParser(description="KnowledgeDigest Web-Viewer")
parser.add_argument("--port", "-p", type=int, default=cfg.get("web_port", 8787))
parser.add_argument("--db", type=str, default=str(cfg.get_db_path()))
parser.add_argument("--no-browser", action="store_true")
args = parser.parse_args()
ViewerHandler.db_path = Path(args.db)
server = HTTPServer(("127.0.0.1", args.port), ViewerHandler)
url = f"http://127.0.0.1:{args.port}"
print(f"KnowledgeDigest Web-Viewer: {url}")
print(f"DB: {args.db}")
print("Stoppen mit Ctrl+C")
if not args.no_browser:
webbrowser.open(url)
try:
server.serve_forever()
except KeyboardInterrupt:
print("\nViewer beendet.")
server.server_close()
return 0