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(define-module (guix-data-service model license-set)
#:use-module (srfi srfi-1)
#:use-module (ice-9 vlist)
#:use-module (squee)
#:use-module (guix-data-service model utils)
#:use-module (guix-data-service model license)
#:export (inferior-packages->license-set-ids))
(define select-license-sets
"
SELECT id, license_ids
FROM license_sets")
(define (insert-license-sets license-id-lists)
(string-append
"INSERT INTO license_sets (license_ids) VALUES "
(string-join
(map (lambda (license-ids)
(string-append
"('{"
(string-join
(map number->string
(sort (map string->number license-ids) <))
", ")
"}')"))
license-id-lists)
", ")
" RETURNING id"))
(define (inferior-packages->license-set-ids conn inf packages)
(define license-id-lists
(inferior-packages->license-id-lists conn inf packages))
(let* ((unique-license-id-lists (delete-duplicates
license-id-lists))
(existing-license-sets
(exec-query->vhash conn
select-license-sets
(lambda (results)
(if (string=? (second results) "{}")
'()
(string-split
(string-drop-right
(string-drop (second results) 1)
1)
#\,)))
first)) ;; id
(missing-license-sets
(delete-duplicates
(filter (lambda (license-set-license-ids)
(not (vhash-assoc license-set-license-ids
existing-license-sets)))
unique-license-id-lists)))
(new-license-set-entries
(if (null? missing-license-sets)
'()
(map first
(exec-query conn
(insert-license-sets missing-license-sets)))))
(new-entries-id-lookup-vhash
(two-lists->vhash missing-license-sets
new-license-set-entries)))
(map (lambda (license-id-list)
(cdr
(or (vhash-assoc license-id-list
existing-license-sets)
(vhash-assoc license-id-list
new-entries-id-lookup-vhash)
(begin
(error "missing license set entry"
license-id-list)))))
license-id-lists)))
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