Update conversations.php

conversations.php

@@ -782,6 +782,53 @@
                 }, 10000);
             }
 
+            // Helper para llamadas a la API desde esta clase
+            async apiCall(endpoint, options = {}) {
+                const defaultOptions = {
+                    method: 'GET',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    }
+                };
+
+                // Si se pasa body, asumimos POST (y serializamos)
+                const finalOptions = { ...defaultOptions, ...options };
+                if (options.body && typeof options.body === 'object') {
+                    finalOptions.method = 'POST';
+                    finalOptions.body = JSON.stringify(options.body);
+                }
+
+                // Normalizar endpoint: prefijar 'api/' si no es URL completa y no empieza con 'api/'
+                let url = endpoint;
+                if (!/^https?:\/\//i.test(url) && !url.startsWith('api/')) {
+                    url = 'api/' + url;
+                }
+
+                const response = await fetch(url, finalOptions);
+
+                if (response.status === 401) {
+                    // Sesión expirada: redirigir al login
+                    console.warn('apiCall: unauthorized, redirecting to login');
+                    window.location.href = 'login.php';
+                    return null;
+                }
+
+                if (!response.ok) {
+                    throw new Error('HTTP error! status: ' + response.status);
+                }
+
+                const text = await response.text();
+                if (!text || text.trim() === '') return null;
+
+                try {
+                    return JSON.parse(text);
+                } catch (err) {
+                    console.error('apiCall parse error for', url, err);
+                    const snippet = text.length > 1000 ? text.substr(0, 1000) : text;
+                    throw new Error('Invalid JSON response from ' + url + ': ' + err.message + ' -- response snippet: ' + snippet);
+                }
+            }
+
             async loadConversations(page = 1, append = false) {
                 if (this.loadingConversations) return;
                 this.loadingConversations = true;
@@ -1210,7 +1257,7 @@
                 }
 
                 try {
-                    let url = `get_user_conversations.php?user_id=${userId}&limit=${this.messageLimit}`;
+                    let url = `get_user_messages.php?user_id=${userId}&limit=${this.messageLimit}`;
                     if (!initial && this.earliestMessage) {
                         url += `&before=${encodeURIComponent(this.earliestMessage)}`;
                     }
@@ -1267,6 +1314,17 @@
 
                 } catch (error) {
                     console.error('Error en loadMessages:', error);
+                    if (container) {
+                        container.innerHTML = `
+                            <div class="text-center p-4">
+                                <i class="fas fa-exclamation-triangle text-warning fa-2x"></i>
+                                <p class="mt-3">Error al cargar los mensajes: ${error.message || error}</p>
+                                <button class="btn btn-sm btn-primary" id="retry-load-messages">Reintentar</button>
+                            </div>
+                        `;
+                        const retryBtn = document.getElementById('retry-load-messages');
+                        if (retryBtn) retryBtn.addEventListener('click', async () => { await this.loadMessages(userId, true); });
+                    }
                 } finally {
                     this.loadingMessages = false;
                 }