Feat : Log recorder

packages/server/src/db.ts

@@ -2,6 +2,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { DatabaseSync } from 'node:sqlite';
 import type {
+  AgentEvent,
   LogEntry,
   LogLevel,
   ObsSettings,
@@ -17,6 +18,7 @@ import {
   DEFAULT_OBS_SETTINGS,
   DEFAULT_RECORDING_SETTINGS,
   DEFAULT_WATCH_SETTINGS,
+  isAgentEvent,
   normalizeBrowserSettings,
   normalizeRecordingSettings,
   normalizeWatchSettings,
@@ -96,6 +98,10 @@ addColumnIfMissing('agents', 'browser_json', 'TEXT');
 // Preset d'enregistrement : réglable VM par VM, absent = aucune intervention
 // de l'agent sur les réglages d'OBS.
 addColumnIfMissing('agents', 'recording_json', 'TEXT');
+// Nature de l'évènement journalisé : classe l'entrée dans l'historique d'une VM.
+// Nul sur les entrées écrites avant cette colonne, et sur celles des agents non
+// mis à jour — l'interface s'en accommode.
+addColumnIfMissing('logs', 'event', 'TEXT');
 
 // Enrichissement des profils surveillés : photo et historique de diffusion.
 addColumnIfMissing('watch_targets', 'avatar_url', 'TEXT');
@@ -194,12 +200,20 @@ const stmts = {
   rotateToken: db.prepare('UPDATE agents SET token_hash = ? WHERE id = ?'),
   deleteAgent: db.prepare('DELETE FROM agents WHERE id = ?'),
 
-  insertLog: db.prepare('INSERT INTO logs (agent_id, level, message, ts) VALUES (?, ?, ?, ?)'),
+  insertLog: db.prepare(
+    'INSERT INTO logs (agent_id, level, message, ts, event) VALUES (?, ?, ?, ?, ?)',
+  ),
   recentLogs: db.prepare(`
-    SELECT l.id, l.agent_id, l.level, l.message, l.ts, a.name AS agent_name
+    SELECT l.id, l.agent_id, l.level, l.message, l.ts, l.event, a.name AS agent_name
     FROM logs l LEFT JOIN agents a ON a.id = l.agent_id
     ORDER BY l.id DESC LIMIT ?
   `),
+  agentLogs: db.prepare(`
+    SELECT l.id, l.agent_id, l.level, l.message, l.ts, l.event, a.name AS agent_name
+    FROM logs l LEFT JOIN agents a ON a.id = l.agent_id
+    WHERE l.agent_id = ?
+    ORDER BY l.id DESC LIMIT ?
+  `),
   pruneLogs: db.prepare(`
     DELETE FROM logs WHERE id NOT IN (SELECT id FROM logs ORDER BY id DESC LIMIT ?)
   `),
@@ -466,11 +480,30 @@ interface LogRow {
   level: string;
   message: string;
   ts: number;
+  event: string | null;
+}
+
+function toLogEntry(row: LogRow): LogEntry {
+  return {
+    id: Number(row.id),
+    agentId: row.agent_id,
+    agentName: row.agent_name,
+    level: row.level as LogLevel,
+    message: row.message,
+    ts: Number(row.ts),
+    event: isAgentEvent(row.event) ? row.event : null,
+  };
 }
 
 export const logsRepo = {
-  append(agentId: string | null, level: LogLevel, message: string, ts = Date.now()): LogEntry {
-    const info = stmts.insertLog.run(agentId, level, message, ts);
+  append(
+    agentId: string | null,
+    level: LogLevel,
+    message: string,
+    ts = Date.now(),
+    event: AgentEvent | null = null,
+  ): LogEntry {
+    const info = stmts.insertLog.run(agentId, level, message, ts, event);
     if (Math.random() < 0.02) stmts.pruneLogs.run(config.logRetention);
     const agent = agentId ? agentsRepo.get(agentId) : null;
     return {
@@ -480,20 +513,18 @@ export const logsRepo = {
       level,
       message,
       ts,
+      event,
     };
   },
 
   recent(limit = 200): LogEntry[] {
     const rows = stmts.recentLogs.all(limit) as unknown as LogRow[];
-    return rows
-      .map((row) => ({
-        id: Number(row.id),
-        agentId: row.agent_id,
-        agentName: row.agent_name,
-        level: row.level as LogLevel,
-        message: row.message,
-        ts: Number(row.ts),
-      }))
-      .reverse();
+    return rows.map(toLogEntry).reverse();
+  },
+
+  /** Historique d'une VM, du plus ancien au plus récent. */
+  forAgent(agentId: string, limit = 300): LogEntry[] {
+    const rows = stmts.agentLogs.all(agentId, limit) as unknown as LogRow[];
+    return rows.map(toLogEntry).reverse();
   },
 };