pub async fn get_course_ids_by_audience_vectors(
conn: &mut PgConnection,
audience_vecs: Vec<Vec<f32>>,
audience_keywords: Vec<String>,
) -> ModelResult<Vec<Uuid>>pub async fn get_course_ids_by_audience_vectors(
conn: &mut PgConnection,
audience_vecs: Vec<Vec<f32>>,
audience_keywords: Vec<String>,
) -> ModelResult<Vec<Uuid>>