-- Project CT: preserve actual vTiger document bytes before the subscription ends.
CREATE TABLE IF NOT EXISTS vtiger_archive_files (
    id BIGSERIAL PRIMARY KEY,
    version_id BIGINT NOT NULL REFERENCES vtiger_archive_versions(id) ON DELETE RESTRICT,
    document_vtiger_id VARCHAR(120) NOT NULL,
    resource_vtiger_id VARCHAR(120) NOT NULL,
    filename TEXT NOT NULL,
    content_type TEXT,
    size_bytes BIGINT NOT NULL,
    content_sha256 VARCHAR(64) NOT NULL,
    content BYTEA NOT NULL,
    archived_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    UNIQUE(document_vtiger_id, resource_vtiger_id, content_sha256)
);
CREATE INDEX IF NOT EXISTS idx_vtiger_archive_files_version
    ON vtiger_archive_files(version_id);

DROP TRIGGER IF EXISTS trg_vtiger_archive_files_immutable ON vtiger_archive_files;
CREATE TRIGGER trg_vtiger_archive_files_immutable
BEFORE UPDATE OR DELETE ON vtiger_archive_files
FOR EACH ROW EXECUTE FUNCTION deny_vtiger_archive_mutation();