49 lines
2.1 KiB
SQL
49 lines
2.1 KiB
SQL
-- ============================================
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-- MIGRACIÓN: 03_create_scheduled_messages
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-- Fecha: 2026-02-03
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-- Descripción: Crear tabla y vista para sistema de mensajes programados/recordatorios
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-- Permite programar envío de plantillas WhatsApp en fechas/horas específicas
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-- Nota: Usa IF NOT EXISTS / OR REPLACE - Es seguro ejecutar múltiples veces
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-- ============================================
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-- Tabla para mensajes programados y recordatorios
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CREATE TABLE IF NOT EXISTS scheduled_messages (
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id INT AUTO_INCREMENT PRIMARY KEY,
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user_id INT NOT NULL,
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template_id INT NULL,
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template_name VARCHAR(100) NULL,
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template_language VARCHAR(10) DEFAULT 'es',
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template_parameters JSON NULL COMMENT 'Parámetros para las variables de la plantilla',
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message_type ENUM('text', 'template') DEFAULT 'template',
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message_content TEXT NULL COMMENT 'Contenido del mensaje si es tipo text',
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scheduled_date DATE NOT NULL,
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scheduled_time TIME NOT NULL,
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status ENUM('pending', 'sent', 'failed', 'cancelled') DEFAULT 'pending',
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sent_at DATETIME NULL,
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error_message TEXT NULL,
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created_by INT NULL COMMENT 'ID del admin que creó el recordatorio',
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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INDEX idx_user_id (user_id),
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INDEX idx_scheduled_date (scheduled_date),
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INDEX idx_status (status),
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INDEX idx_scheduled_datetime (scheduled_date, scheduled_time, status),
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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-- Vista para facilitar consultas con información del usuario
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CREATE OR REPLACE VIEW scheduled_messages_view AS
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SELECT
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sm.*,
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u.name as user_name,
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u.phone_number,
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mt.name as template_display_name,
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mt.body_text as template_body,
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mt.status as template_status
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FROM scheduled_messages sm
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LEFT JOIN users u ON sm.user_id = u.id
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LEFT JOIN message_templates mt ON sm.template_id = mt.id
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ORDER BY sm.scheduled_date DESC, sm.scheduled_time DESC;
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