2026-03-09 17:11:09 +01:00
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-- Me he pasado mucho con todo el proceso, lo más probable es que haya que eliminar
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-- la parte de control de activacion que eso ya no lo lleva la aplicacion.
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2026-03-05 17:37:30 +01:00
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CREATE EXTENSION pgcrypto; -- para los random bytes
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2026-03-06 12:11:17 +01:00
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-- 1. Función de generacion de uuidv7 copiada de github porque no está en postgre 16
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2026-03-05 17:37:30 +01:00
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CREATE OR REPLACE FUNCTION
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uuid_generate_v7()
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RETURNS
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uuid
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LANGUAGE
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plpgsql
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PARALLEL SAFE
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AS $$
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DECLARE
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-- The current UNIX timestamp in milliseconds
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unix_time_ms CONSTANT bytea NOT NULL DEFAULT substring(int8send((extract(epoch FROM clock_timestamp()) * 1000)::bigint) from 3);
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-- The buffer used to create the UUID, starting with the UNIX timestamp and followed by random bytes
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buffer bytea NOT NULL DEFAULT unix_time_ms || gen_random_bytes(10);
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BEGIN
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-- Set most significant 4 bits of 7th byte to 7 (for UUID v7), keeping the last 4 bits unchanged
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buffer = set_byte(buffer, 6, (b'0111' || get_byte(buffer, 6)::bit(4))::bit(8)::int);
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-- Set most significant 2 bits of 9th byte to 2 (the UUID variant specified in RFC 4122), keeping the last 6 bits unchanged
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buffer = set_byte(buffer, 8, (b'10' || get_byte(buffer, 8)::bit(6))::bit(8)::int);
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RETURN encode(buffer, 'hex');
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END
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$$
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;
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-- 2. Tabla de Tarjetas
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2026-03-09 17:11:09 +01:00
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-- Posiblemente haya que mantener solo el id e ignorar el PAN
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2026-03-05 17:37:30 +01:00
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CREATE TABLE payment_cards (
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card_id UUID PRIMARY KEY DEFAULT uuid_generate_v7(),
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user_id UUID REFERENCES users(user_id),
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pan_last_four VARCHAR(4) NOT NULL,
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card_holder_name VARCHAR(100) NOT NULL,
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status VARCHAR(20) DEFAULT 'PENDING_ACTIVATION', -- PENDING, ACTIVE, BLOCKED, EXPIRED
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created_at TIMESTAMPTZ DEFAULT NOW(),
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activated_at TIMESTAMPTZ
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);
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-- 3. Tabla de Códigos de Activación
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2026-03-09 17:11:09 +01:00
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-- No creo que vaya a recibir confirmación de activación porque es de otro proyecto,
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-- pero por lo menos se mantiene el registro de cuando se ha creado.
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-- El algoritmo de hash es sha256
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2026-03-05 17:37:30 +01:00
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CREATE TABLE activation_codes (
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code_id UUID PRIMARY KEY DEFAULT uuid_generate_v7(),
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card_id UUID REFERENCES payment_cards(card_id), -- Una tarjeta, maximo un un código activo borrar o solo con expires_at?
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2026-03-09 17:11:09 +01:00
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code_plain TEXT NOT NULL, --
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2026-03-05 17:37:30 +01:00
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code_hash TEXT NOT NULL, -- Guardar el código hasheado, el original se imprime y se manda
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is_used BOOLEAN DEFAULT FALSE,
|
2026-03-06 12:11:17 +01:00
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is_blocked BOOLEAN DEFAULT FALSE,
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failed_attempts INT DEFAULT 0,
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2026-03-09 17:11:09 +01:00
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expires_at TIMESTAMPTZ, -- Si es nulo es permanenete (Solo para pruebas)
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2026-03-05 17:37:30 +01:00
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
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-- 4. Registro de Auditoría y Dispositivos (Log de Uso)
|
2026-03-09 17:11:09 +01:00
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-- Lo mismo, muy sobredimensionado, no creo que haya falta en este punto
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2026-03-05 17:37:30 +01:00
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CREATE TABLE activation_logs (
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log_id UUID PRIMARY KEY DEFAULT uuid_generate_v7(),
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card_id UUID REFERENCES payment_cards(card_id),
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code_id UUID REFERENCES activation_codes(code_id),
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action_type VARCHAR(50) NOT NULL, -- TODO: CREAR ENUM'GENERATED', 'ATTEMPT_FAILED', 'ACTIVATED'
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ip_address INET,
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device_info JSONB, -- Almacena user-agent, modelo, SO, etc.
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geo_location VARCHAR(100), -- Opcional: Ciudad/País derivado de IP
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created_at TIMESTAMPTZ DEFAULT NOW()
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);
|
2026-03-06 12:11:17 +01:00
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2026-03-09 17:11:09 +01:00
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-- Trigger para cuando se haga una actualizacion en activation_codes
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-- se supone que cuando se intenta activar la tarjeta.
|
2026-03-06 12:11:17 +01:00
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CREATE OR REPLACE FUNCTION log_activation_attempt()
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RETURNS TRIGGER AS $$
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|
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BEGIN
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-- Si el intento falló (esto lo controlas desde tu lógica de UPDATE)
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-- Hay que barajar si es viable hacer los updates de failed_attempts desde aquí
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-- y nó desde código.
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IF NEW.failed_attempts > OLD.failed_attempts THEN
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INSERT INTO activation_logs (card_id, action_type, created_at)
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VALUES (NEW.card_id, 'FAILED_ATTEMPT', NOW());
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END IF;
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-- Bloqueo automático si llega al límite
|
|
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|
|
IF NEW.failed_attempts >= 3 THEN
|
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|
|
NEW.is_blocked := TRUE;
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END IF;
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RETURN NEW;
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|
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER trg_check_attempts
|
|
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|
|
BEFORE UPDATE ON activation_codes
|
|
|
|
|
FOR EACH ROW EXECUTE FUNCTION log_activation_attempt();
|