P5-6898 Reduce framed print and poster interiors (#209)

migrations/000.323.sql

@@ -0,0 +1,83 @@
+-- P5-6898 Prune posters and framed print interiors
+
+-- 1. Delete all poster interiors except first two
+with poster_interiors_to_delete as (
+	select id
+	from interiors main
+	join "product-printproducts" posters on print_id = printid and posters.groupid = 7 -- only poster products
+	where room_id is not null -- only 3d interiors
+	and position >= 2
+	-- exclude products that also have own photos
+	and not exists (select 1 from interiors o_p where o_p.print_id = main.print_id and o_p.room_id is null)
+)
+DELETE
+	FROM interiors
+	USING poster_interiors_to_delete
+	WHERE interiors.id = poster_interiors_to_delete.id
+;
+
+-- 2. Delete the first two framed print interiors
+with framed_print_interiors_to_delete as (
+	select id
+	from interiors main
+	join "product-printproducts" framed_prints on print_id = printid and framed_prints.groupid = 8 -- only framed prints
+	where room_id is not null -- only 3d interiors
+	and position < 2
+	-- exclude products that also have own photos
+	and not exists (select 1 from interiors o_p where o_p.print_id = main.print_id and o_p.room_id is null)
+)
+DELETE
+	FROM interiors
+	USING framed_print_interiors_to_delete
+	WHERE interiors.id = framed_print_interiors_to_delete.id
+;
+
+-- 3. Copy framed print inteiors position 3 and 4 to position 1 and 2
+update interiors
+set position = position - 2
+from
+	"product-printproducts" framedprints
+where
+	print_id = printid and framedprints.groupid = 8 -- only framed prints
+	and position in (2,3)
+	and room_id is not null -- only 3d interiors
+	-- exclude prodotucts that also have own photos
+	and print_id not in (select print_id from interiors where room_id is null)
+;
+
+-- 4. delete remainig framed print interiors (position 5 and up)
+with framed_print_interiors_to_delete as (
+	select id
+	from interiors main
+	join "product-printproducts" framed_prints on print_id = printid and framed_prints.groupid = 8 -- only framed prints
+	where room_id is not null -- only 3d interiors
+	and position >= 2
+	-- exclude products that also have own photos
+	and not exists (select 1 from interiors o_p where o_p.print_id = main.print_id and o_p.room_id is null)
+)
+DELETE
+	FROM interiors
+	USING framed_print_interiors_to_delete
+	WHERE interiors.id = framed_print_interiors_to_delete.id
+;
+
+-- 5. When framed print product has no interiors at all: copy first poster interior
+with framed_prints_without_interiors as (
+	select productid, printid from "product-printproducts" where groupid = 8
+	and not exists (select 1 from interiors where print_id = printid)
+), matching_poster_interiors as (
+	select
+		framed_print.productid productid,
+		framed_print.printid fp_printid,
+		replace(rooms.name, 'poster', 'framed-print') fp_room_name
+	from
+		framed_prints_without_interiors framed_print
+		join "product-printproducts" poster on framed_print.productid = poster.productid and poster.groupid = 7
+		join interiors poster_interiors on poster.printid = poster_interiors.print_id and position = 0 and room_id is not null
+		join rooms on room_id = rooms.id
+)
+INSERT INTO interiors (print_id, position, room_id)
+	SELECT fp_printid, 0, (select id from rooms where name = fp_room_name)
+	FROM matching_poster_interiors
+;
+