203 lines
7.4 KiB
PHP
203 lines
7.4 KiB
PHP
<?php
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/**
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* API - Obtener conversaciones recientes
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* Fecha: 4 de enero de 2026
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*/
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require_once '../config/config.php';
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// Verificar autenticación
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requireAuthentication();
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header('Content-Type: application/json; charset=utf-8');
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header('Cache-Control: no-cache, no-store, must-revalidate');
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header('Pragma: no-cache');
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header('Expires: 0');
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header('Access-Control-Allow-Origin: *');
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header('Access-Control-Allow-Methods: GET');
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header('Access-Control-Allow-Headers: Content-Type');
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try {
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$db = Database::getInstance();
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// Paginación: recibir page y limit desde query string (con límites razonables)
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$limit = isset($_GET['limit']) ? intval($_GET['limit']) : 50;
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$limit = max(1, min(200, $limit)); // máximo 200 por página
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$page = isset($_GET['page']) ? max(1, intval($_GET['page'])) : 1;
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$offset = ($page - 1) * $limit;
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// Parámetro de búsqueda
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$search = isset($_GET['search']) ? trim($_GET['search']) : '';
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// Obtener conversaciones agregadas por usuario: último mensaje + conteo de no leídos + avatar
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$filter = isset($_GET['filter']) ? strtolower(trim($_GET['filter'])) : 'all';
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$sql = "SELECT
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u.id AS user_id,
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COALESCE(u.name, u.phone_number) AS name,
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u.phone_number,
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u.avatar_url,
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u.bot_enabled,
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u.on_hold,
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u.advisor_requested,
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u.in_service,
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u.in_service_by,
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u.in_service_at,
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lm.message_id AS last_message_id,
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lm.content AS last_message,
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lm.direction AS direction,
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lm.message_type AS message_type,
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lm.local_file AS last_local_file,
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lm.local_thumb AS last_local_thumb,
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lm.created_at AS last_time,
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IFNULL(SUM(CASE WHEN c.direction = 'incoming' AND (c.is_read IS NULL OR c.is_read = 0) THEN 1 ELSE 0 END), 0) AS unread_count";
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// Si hay búsqueda, agregar campo para ordenar por relevancia
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if (!empty($search)) {
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$sql .= ",
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(CASE
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WHEN u.name LIKE ? THEN 3
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WHEN u.phone_number LIKE ? THEN 2
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ELSE 1
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END) AS relevance";
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}
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$sql .= "
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FROM users u
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LEFT JOIN conversations c ON c.user_id = u.id
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LEFT JOIN (
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SELECT t1.* FROM conversations t1
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JOIN (
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SELECT user_id, MAX(created_at) AS last_time FROM conversations GROUP BY user_id
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) t2 ON t1.user_id = t2.user_id AND t1.created_at = t2.last_time
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) lm ON lm.user_id = u.id";
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// Agregar condición de búsqueda si existe
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if (!empty($search)) {
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$sql .= "
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WHERE (
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u.name LIKE ?
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OR u.phone_number LIKE ?
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OR EXISTS (
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SELECT 1 FROM conversations c2
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WHERE c2.user_id = u.id
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AND c2.content LIKE ?
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)
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)";
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}
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$sql .= "
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GROUP BY u.id";
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// Aplicar filtro 'unread' si se solicita
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if ($filter === 'unread') {
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$sql .= " HAVING IFNULL(SUM(CASE WHEN c.direction = 'incoming' AND (c.is_read IS NULL OR c.is_read = 0) THEN 1 ELSE 0 END), 0) > 0";
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}
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// Ordenar por relevancia si hay búsqueda, sino por fecha
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if (!empty($search)) {
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$sql .= "\n ORDER BY relevance DESC, lm.created_at DESC";
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} else {
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$sql .= "\n ORDER BY lm.created_at DESC";
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}
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$sql .= "\n LIMIT %d OFFSET %d";
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// Preparar parámetros para la consulta
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$params = [];
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if (!empty($search)) {
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$searchParam = '%' . $search . '%';
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// Para el campo de relevancia
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$params[] = $searchParam; // name LIKE
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$params[] = $searchParam; // phone_number LIKE
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// Para el WHERE
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$params[] = $searchParam; // name LIKE
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$params[] = $searchParam; // phone_number LIKE
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$params[] = $searchParam; // content LIKE
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}
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$finalSql = sprintf($sql, $limit, $offset);
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if (!empty($params)) {
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$conversations = $db->fetchAll($finalSql, $params);
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} else {
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$conversations = $db->fetchAll($finalSql);
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}
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// Conteo total de usuarios con al menos una conversación (útil para paginar)
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if (!empty($search)) {
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// Conteo con búsqueda
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$searchParam = '%' . $search . '%';
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$countSql = "SELECT COUNT(DISTINCT u.id) AS count
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FROM users u
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LEFT JOIN conversations c ON c.user_id = u.id
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WHERE (
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u.name LIKE ?
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OR u.phone_number LIKE ?
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OR EXISTS (
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SELECT 1 FROM conversations c2
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WHERE c2.user_id = u.id
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AND c2.content LIKE ?
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)
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)";
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if ($filter === 'unread') {
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$countSql .= " AND c.direction = 'incoming' AND (c.is_read IS NULL OR c.is_read = 0)";
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}
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$totalRow = $db->fetch($countSql, [$searchParam, $searchParam, $searchParam]);
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} else {
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// Conteo normal sin búsqueda
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if ($filter === 'unread') {
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$totalRow = $db->fetch("SELECT COUNT(DISTINCT user_id) AS count FROM conversations c WHERE c.direction = 'incoming' AND (c.is_read IS NULL OR c.is_read = 0)");
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} else {
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$totalRow = $db->fetch("SELECT COUNT(DISTINCT user_id) AS count FROM conversations");
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}
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}
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$total = isset($totalRow['count']) ? intval($totalRow['count']) : 0;
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// Si no hay datos, retornar array vacío
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if (empty($conversations)) {
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$conversations = [];
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}
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// Formatear datos para el frontend
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$conversations = array_map(function($conv) {
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return [
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'user_id' => intval($conv['user_id']),
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'name' => $conv['name'] ?? $conv['phone_number'],
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'phone_number' => $conv['phone_number'],
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'avatar_url' => $conv['avatar_url'] ?? null,
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'last_message' => $conv['last_message'] ?? '',
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'last_time' => $conv['last_time'] ?? null,
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'direction' => $conv['direction'] ?? 'incoming',
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'message_type' => $conv['message_type'] ?? 'text',
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'last_local_file' => $conv['last_local_file'] ?? null,
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'last_local_thumb' => $conv['last_local_thumb'] ?? null,
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'unread_count' => intval($conv['unread_count'] ?? 0),
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'bot_enabled' => isset($conv['bot_enabled']) ? (bool)$conv['bot_enabled'] : true,
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'on_hold' => isset($conv['on_hold']) ? (bool)$conv['on_hold'] : false,
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'advisor_requested' => isset($conv['advisor_requested']) ? (bool)$conv['advisor_requested'] : false,
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'in_service' => isset($conv['in_service']) ? (bool)$conv['in_service'] : false,
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'in_service_by' => isset($conv['in_service_by']) ? intval($conv['in_service_by']) : null,
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'in_service_at' => $conv['in_service_at'] ?? null
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];
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}, $conversations);
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// Indicar metadatos para la paginación
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$hasMore = ($page * $limit) < $total;
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echo json_encode([
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'success' => true,
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'data' => $conversations,
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'page' => $page,
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'limit' => $limit,
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'has_more' => (bool)$hasMore,
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'total' => $total
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]);
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} catch (Exception $e) {
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error_log("Error in get_conversations.php: " . $e->getMessage());
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http_response_code(500);
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echo json_encode(['error' => 'Error interno del servidor: ' . $e->getMessage()]);
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}
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?>
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