Function proj17_iot_server::services::videos::find_relevant_video

pub fn find_relevant_video(
    display_id: i32
) -> Result<Option<AdvertVideoOrder>, VideoServiceError>

Returns an Optional AdvertVideo for the most relevant video, None if there is no payed for video that matches the interests at the location

The video returned will be a random video for which the following

The video matches the highest weighted interest for which there is a payed video.

holds

Return values:

AdvertVideoOrder if a video matches

None if display exists but there are no matching videos

VideoServiceError::NoSuchDisplay if display does not exist

Arguments

display_id - an i32 representing a display id.