v26.3

Structures/TranscriptStore.js

@@ -0,0 +1,223 @@
+const fs = require('fs');
+const path = require('path');
+
+const TRANSCRIPT_DIR = path.join(__dirname, '../Data/Transcripts');
+const SETTINGS_FILE = path.join(__dirname, '../Data/transcript-settings.json');
+
+const DEFAULT_SETTINGS = {
+    autoDelete: {
+        enabled: false,
+        afterDays: 30,
+    },
+    publicAccess: {
+        enabled: false,
+    },
+};
+
+let purgeTimer = null;
+
+function ensureTranscriptDir() {
+    if (!fs.existsSync(TRANSCRIPT_DIR)) {
+        fs.mkdirSync(TRANSCRIPT_DIR, { recursive: true });
+    }
+}
+
+function getSettings() {
+    try {
+        if (!fs.existsSync(SETTINGS_FILE)) {
+            return JSON.parse(JSON.stringify(DEFAULT_SETTINGS));
+        }
+        const raw = JSON.parse(fs.readFileSync(SETTINGS_FILE, 'utf8'));
+        const days = Number(raw?.autoDelete?.afterDays);
+        return {
+            autoDelete: {
+                enabled: Boolean(raw?.autoDelete?.enabled),
+                afterDays:
+                    Number.isFinite(days) && days >= 1
+                        ? Math.min(Math.floor(days), 3650)
+                        : DEFAULT_SETTINGS.autoDelete.afterDays,
+            },
+            publicAccess: {
+                enabled: Boolean(raw?.publicAccess?.enabled),
+            },
+        };
+    } catch {
+        return JSON.parse(JSON.stringify(DEFAULT_SETTINGS));
+    }
+}
+
+function saveSettings(patch) {
+    const current = getSettings();
+    const next = {
+        autoDelete: {
+            enabled:
+                patch?.autoDelete?.enabled !== undefined
+                    ? Boolean(patch.autoDelete.enabled)
+                    : current.autoDelete.enabled,
+            afterDays:
+                patch?.autoDelete?.afterDays !== undefined
+                    ? Math.min(
+                          Math.max(Math.floor(Number(patch.autoDelete.afterDays) || 1), 1),
+                          3650,
+                      )
+                    : current.autoDelete.afterDays,
+        },
+        publicAccess: {
+            enabled:
+                patch?.publicAccess?.enabled !== undefined
+                    ? Boolean(patch.publicAccess.enabled)
+                    : current.publicAccess.enabled,
+        },
+    };
+
+    const dir = path.dirname(SETTINGS_FILE);
+    if (!fs.existsSync(dir)) {
+        fs.mkdirSync(dir, { recursive: true });
+    }
+    fs.writeFileSync(SETTINGS_FILE, JSON.stringify(next, null, 2), 'utf8');
+    return next;
+}
+
+function normalizeId(rawId) {
+    return String(rawId).replace(/[^0-9]/g, '');
+}
+
+function readTranscriptFile(rawId) {
+    const id = normalizeId(rawId);
+    if (!id) return null;
+    ensureTranscriptDir();
+    const filePath = path.join(TRANSCRIPT_DIR, `${id}-transcript.html`);
+    if (!fs.existsSync(filePath)) return null;
+    const content = fs.readFileSync(filePath, 'utf8');
+    const titleMatch = content.match(/<title>\s*Transcript\s*-\s*([^<]+)\s*<\/title>/i);
+    return {
+        id,
+        filePath,
+        filename: `${id}-transcript.html`,
+        content,
+        ticketName: titleMatch ? titleMatch[1].trim() : null,
+    };
+}
+
+function listTranscripts() {
+    ensureTranscriptDir();
+    if (!fs.existsSync(TRANSCRIPT_DIR)) {
+        return [];
+    }
+    return fs
+        .readdirSync(TRANSCRIPT_DIR)
+        .filter((f) => f.endsWith('-transcript.html'))
+        .map((f) => {
+            const id = f.replace('-transcript.html', '');
+            const stats = fs.statSync(path.join(TRANSCRIPT_DIR, f));
+            const parsed = readTranscriptFile(id);
+            return {
+                id,
+                filename: f,
+                createdAt: stats.mtime.toISOString(),
+                size: stats.size,
+                ticketName: parsed?.ticketName ?? null,
+            };
+        })
+        .sort((a, b) => new Date(b.createdAt) - new Date(a.createdAt));
+}
+
+function deleteTranscript(rawId) {
+    const id = normalizeId(rawId);
+    if (!id) return false;
+    const filePath = path.join(TRANSCRIPT_DIR, `${id}-transcript.html`);
+    if (!fs.existsSync(filePath)) return false;
+    fs.unlinkSync(filePath);
+    return true;
+}
+
+function purgeExpiredTranscripts() {
+    const settings = getSettings();
+    if (!settings.autoDelete.enabled) {
+        return { deleted: 0, skipped: true };
+    }
+
+    ensureTranscriptDir();
+    const maxAgeMs = settings.autoDelete.afterDays * 24 * 60 * 60 * 1000;
+    const cutoff = Date.now() - maxAgeMs;
+    let deleted = 0;
+
+    for (const f of fs.readdirSync(TRANSCRIPT_DIR)) {
+        if (!f.endsWith('-transcript.html')) continue;
+        const filePath = path.join(TRANSCRIPT_DIR, f);
+        const stats = fs.statSync(filePath);
+        if (stats.mtime.getTime() < cutoff) {
+            fs.unlinkSync(filePath);
+            deleted += 1;
+        }
+    }
+
+    return { deleted, skipped: false };
+}
+
+function notFoundHtml(message = 'Transcript not found') {
+    return `<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Transcript</title>
+<style>body{font-family:system-ui,sans-serif;padding:2rem;background:#0b0f14;color:#e6edf3;margin:0}</style></head>
+<body><h1>${message}</h1></body></html>`;
+}
+
+function servePublicTranscript(req, res) {
+    const settings = getSettings();
+    if (!settings.publicAccess.enabled) {
+        return res.status(404).type('html').send(notFoundHtml('Transcript not found'));
+    }
+
+    const transcript = readTranscriptFile(req.params.id);
+    if (!transcript) {
+        return res.status(404).type('html').send(notFoundHtml('Transcript not found'));
+    }
+
+    res.setHeader('Content-Type', 'text/html; charset=utf-8');
+    res.setHeader('Cache-Control', 'public, max-age=120');
+    return res.send(transcript.content);
+}
+
+function startAutoDeleteScheduler(intervalMs = 60 * 60 * 1000) {
+    if (purgeTimer) return;
+
+    const run = () => {
+        try {
+            const result = purgeExpiredTranscripts();
+            if (result.deleted > 0) {
+                console.log(
+                    `[Transcripts] Auto-deleted ${result.deleted} transcript(s) older than ${getSettings().autoDelete.afterDays} day(s)`,
+                );
+            }
+        } catch (err) {
+            console.error('[Transcripts] Auto-delete failed:', err.message);
+        }
+    };
+
+    run();
+    purgeTimer = setInterval(run, intervalMs);
+    if (typeof purgeTimer.unref === 'function') {
+        purgeTimer.unref();
+    }
+}
+
+function getPublicUrl(req, id) {
+    const settings = getSettings();
+    if (!settings.publicAccess.enabled) return null;
+    const host = req.get('host');
+    const proto = req.get('x-forwarded-proto') || req.protocol || 'http';
+    return `${proto}://${host}/transcripts/${id}`;
+}
+
+module.exports = {
+    TRANSCRIPT_DIR,
+    DEFAULT_SETTINGS,
+    getSettings,
+    saveSettings,
+    readTranscriptFile,
+    listTranscripts,
+    deleteTranscript,
+    purgeExpiredTranscripts,
+    servePublicTranscript,
+    startAutoDeleteScheduler,
+    getPublicUrl,
+};