Revert "up"

This reverts commit 269dc6bed1.

api/stream_user_messages.php

@@ -1,113 +0,0 @@
-<?php
-/**
- * SSE endpoint: stream events for a specific user's conversation
- * - Usage: /api/stream_user_messages.php?user_id=3180&since=YYYY-MM-DD%20HH:MM:SS
- * - Security: requires session authentication (requireAuthentication)
- * - Behavior: tries to use Redis pub/sub if available, otherwise polls DB every 2s for new messages.
- */
-require_once __DIR__ . '/../config/config.php';
-requireAuthentication();
-
-header('Content-Type: text/event-stream');
-header('Cache-Control: no-cache');
-header('Connection: keep-alive');
-// Tell proxies not to buffer
-if (function_exists('apache_setenv')) @apache_setenv('no-gzip', '1');
-
-try {
-    $userId = intval($_GET['user_id'] ?? 0);
-    if (!$userId) {
-        http_response_code(400);
-        echo "data: {\"error\": \"user_id es requerido\"}\n\n";
-        exit;
-    }
-
-    ignore_user_abort(true);
-    set_time_limit(0);
-
-    $db = Database::getInstance();
-
-    // initialize last_ts: if client passed since, use it; else use latest message timestamp or now-1s
-    $last = !empty($_GET['since']) ? $_GET['since'] : null;
-    if (is_null($last)) {
-        try {
-            // Database wrapper exposes fetch() for a single row
-            $r = $db->fetch('SELECT created_at FROM conversations WHERE user_id = :uid ORDER BY created_at DESC LIMIT 1', ['uid' => $userId]);
-            $last = $r && isset($r['created_at']) ? $r['created_at'] : date('Y-m-d H:i:s', time() - 1);
-        } catch (Exception $e) {
-            $last = date('Y-m-d H:i:s', time() - 1);
-        }
-    }
-
-    // Try Redis pub/sub first (if available)
-    $usedRedis = false;
-    if (extension_loaded('redis')) {
-        try {
-            $redis = new Redis();
-            // connect using defaults; expect redis on localhost:6379
-            $redis->connect('127.0.0.1');
-            // subscribe in a non-blocking manner via pub/sub loop
-            $chan = "user_{$userId}";
-            // Use raw subscribe loop with callback
-            $usedRedis = true;
-            $redis->subscribe([$chan], function ($redis, $chanName, $msg) use (&$last) {
-                // msg expected JSON string with {type:'new_message', user_id, message_id, created_at}
-                $payload = $msg;
-                if (is_array($msg)) $payload = json_encode($msg);
-                echo "event: new_message\n";
-                echo "data: {$payload}\n\n";
-                @ob_flush(); @flush();
-            });
-        } catch (Exception $e) {
-            error_log('stream_user_messages.php - redis subscribe failed: ' . $e->getMessage());
-            $usedRedis = false;
-        }
-    }
-
-    // Fallback: polling loop (also used if redis is not available or subscription ended)
-    $start = time();
-    $timeout = 55; // keep connection alive for ~55s (EventSource will reconnect)
-    while (!connection_aborted()) {
-        // Query for messages strictly newer than last timestamp
-        try {
-            $rows = $db->fetchAll(
-                'SELECT id, created_at FROM conversations WHERE user_id = :uid AND created_at > :since ORDER BY created_at ASC',
-                ['uid' => $userId, 'since' => $last]
-            );
-        } catch (Exception $e) {
-            error_log('stream_user_messages.php - DB poll failed: ' . $e->getMessage());
-            $rows = [];
-        }
-
-        if (!empty($rows)) {
-            foreach ($rows as $r) {
-                $d = json_encode(['type' => 'new_message', 'user_id' => $userId, 'message_id' => (int)$r['id'], 'created_at' => $r['created_at']]);
-                echo "event: new_message\n";
-                echo "data: {$d}\n\n";
-                @ob_flush(); @flush();
-                $last = $r['created_at'];
-            }
-        }
-
-        // Periodic ping to keep connection alive
-        echo "event: ping\n";
-        echo "data: {\"now\": \"" . date('Y-m-d H:i:s') . "\"}\n\n";
-        @ob_flush(); @flush();
-
-        // Break/refresh connection after timeout so client reconnects (avoids very long running PHP requests)
-        if ((time() - $start) > $timeout) break;
-
-        sleep(2);
-    }
-
-    // Final flush
-    echo "event: close\n";
-    echo "data: {}\n\n";
-    @ob_flush(); @flush();
-    exit;
-} catch (Exception $e) {
-    error_log('stream_user_messages.php - fatal: ' . $e->getMessage());
-    http_response_code(500);
-    echo "data: {\"error\": \"Internal server error\"}\n\n";
-    exit;
-}

api/webhook.php

@@ -305,18 +305,6 @@ class WhatsAppWebhook {
                 error_log('Failed to create notification: ' . $e->getMessage());
             }
             
-            // Try to publish a lightweight event to Redis so SSE/WebSocket listeners can be notified immediately
-            try {
-                if (extension_loaded('redis')) {
-                    $payload = json_encode(['type' => 'new_message', 'user_id' => $user['id'], 'message_id' => (int)$conversationId, 'created_at' => date('Y-m-d H:i:s')]);
-                    $r = new Redis();
-                    $r->connect('127.0.0.1');
-                    $r->publish('user_' . $user['id'], $payload);
-                }
-            } catch (Exception $e) {
-                error_log('[webhook] redis publish failed: ' . $e->getMessage());
-            }
-            
             // Procesar con bot (protección contra excepciones externas)
             try {
                 $this->botService->processMessage($user, $messageText, $messageType);

conversations.php

@@ -1034,8 +1034,6 @@
                 this._stagedMessages = [];
                 // Last message timestamp seen (for delta polling)
                 this._latestMessage = null;
-                // SSE connection handle for server push (EventSource)
-                this._sse = null;
                 // Removed: automatic "Nuevos mensajes" indicator — we always reload full conversation now
                 // this._lastRenderMessageCount = 0;
 
@@ -1900,50 +1898,6 @@
                 }, 10000);
             }
 
-            // SSE: start listening for server-sent events for the current conversation
-            startSSE(userId) {
-                try {
-                    this.stopSSE();
-                    if (!userId || typeof EventSource === 'undefined') return;
-                    const url = `api/stream_user_messages.php?user_id=${userId}`;
-                    try {
-                        this._sse = new EventSource(url);
-                        this._sse.onmessage = (ev) => {
-                            try {
-                                const d = JSON.parse(ev.data || '{}');
-                                if (d && d.type === 'new_message' && d.user_id == this.currentUserId) {
-                                    if (console && console.debug) console.debug('SSE new_message received for user', d.user_id, '-> triggering full load');
-                                    if (!this._fullLoadInProgress) {
-                                        this.loadMessages(this.currentUserId, true, true).catch(e => console.warn('SSE triggered load failed', e));
-                                    } else {
-                                        if (console && console.debug) console.debug('SSE: full load already in progress, skipping immediate load');
-                                    }
-                                }
-                            } catch (e) { console.warn('SSE message parse failed', e); }
-                        };
-                        this._sse.addEventListener('ping', () => {/* no-op */});
-                        this._sse.onerror = (err) => {
-                            console.warn('SSE error', err);
-                            // Close and attempt reconnect after short delay
-                            try { this._sse.close(); } catch(e) {}
-                            this._sse = null;
-                            setTimeout(() => { if (this.currentUserId == userId) this.startSSE(userId); }, 3000);
-                        };
-                        if (console && console.debug) console.debug('SSE started for user', userId);
-                    } catch (e) { console.warn('Failed to start EventSource', e); }
-                } catch (e) { console.warn('startSSE failed', e); }
-            }
-
-            stopSSE() {
-                try {
-                    if (this._sse) {
-                        try { this._sse.close(); } catch(e) {}
-                        this._sse = null;
-                        if (console && console.debug) console.debug('SSE stopped');
-                    }
-                } catch (e) { /* ignore */ }
-            }
-
             // New: periodic delta poller to fetch only messages newer than last seen timestamp
             async pollNewMessages() {
                 if (!this.currentUserId) return;
@@ -2303,8 +2257,6 @@
 
             async openConversation(userId, userName, phoneNumber) {
                 this.currentUserId = userId;
-                // Stop any previous SSE connection before opening a new conversation
-                try { this.stopSSE(); } catch(e) { /* ignore */ }
                 // Clear any staged messages from a previous conversation and hide indicator
                 try { if (this._stagedMessageIds) { this._stagedMessageIds.clear(); this._stagedCount = 0; this.hideNewMessagesIndicator(); } } catch(e) {}
                 
@@ -2640,9 +2592,6 @@
                 // Resume auto-refresh after the load
                 try { this._suspendAutoRefresh = false; } catch(e) {}
 
-                // Start SSE connection for this conversation to receive server push events
-                try { this.startSSE(userId); } catch(e) { console.warn('startSSE failed to initialize', e); }
-
                 // Añadir listener para scroll arriba (cargar más historial)
                 const chatContainer = document.getElementById('chat-conversations');
                 if (chatContainer) {