Jellystat/SQL Scripts/2. CREATE FUNCTIONS/CREATE FUNCTION fs_most_viewed_libraries.sql

-- FUNCTION: public.fs_most_viewed_libraries(integer)

-- DROP FUNCTION IF EXISTS public.fs_most_viewed_libraries(integer);

CREATE OR REPLACE FUNCTION public.fs_most_viewed_libraries(
	days integer)
    RETURNS TABLE("Plays" numeric, "Id" text, "Name" text, "ServerId" text, "IsFolder" boolean, "Type" text, "CollectionType" text, "ImageTagsPrimary" text) 
    LANGUAGE 'plpgsql'
    COST 100
    VOLATILE PARALLEL UNSAFE
    ROWS 1000

AS $BODY$
BEGIN
    RETURN QUERY
    SELECT 
        sum(t."Plays"),
        l."Id",
        l."Name",
        l."ServerId",
        l."IsFolder",
        l."Type",
        l."CollectionType",
        l."ImageTagsPrimary"
    FROM (
        SELECT count(*) AS "Plays",
    	sum(jf_playback_activity."PlaybackDuration") AS "TotalPlaybackDuration",
    	jf_playback_activity."NowPlayingItemId"
  		FROM jf_playback_activity
		 WHERE 
            jf_playback_activity."ActivityDateInserted" BETWEEN CURRENT_DATE - MAKE_INTERVAL(days => days) and NOW()
        
  		GROUP BY jf_playback_activity."NowPlayingItemId"
  		ORDER BY "Plays" DESC
    ) t
    JOIN jf_library_items i 
        ON i."Id" = t."NowPlayingItemId"
    JOIN jf_libraries l 
        ON l."Id" = i."ParentId"
    GROUP BY 
        l."Id"
    ORDER BY 
       (sum( t."Plays")) DESC;
END;
$BODY$;

ALTER FUNCTION public.fs_most_viewed_libraries(integer)
    OWNER TO postgres;