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(define-module (web gn-uri)
#:use-module (ice-9 string-fun)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:export (get-version
;; url-parse-id
;; normalize-id
;; strip-lang
mk-meta
mk-data
mk-doc
mk-html
mk-url
mk-id
mk-gnid
mk-predicate
prefix
url-parse-id
normalize-id))
(define (normalize-id str)
;; (string-replace-substring (string-downcase str) " " "_")
(match str
(#f "unknown")
(_ (string-replace-substring str " " "_"))))
(define (url-parse-id uri)
(if uri
(car (reverse (string-split uri #\/))) "unknown"))
(define get-version
"4.0.0")
(define base-url
"http://localhost:8091")
(define uri-base-url
;always points to genenetwork.org!
"http://genenetwork.org")
(define (prefix)
"Build the API URL including version" base-url)
(define* (mk-url postfix
#:optional (ext ""))
"Makes a fully qualified URL by adding the path (postfix+ext) to the API URL.
If there is an existing http+hostname no prefix is added"
(match (string-match "^http:" postfix)
(#f (string-append (prefix) "/" postfix ext))
(_ (string-append postfix ext))))
(define* (mk-uri postfix)
"Add the path to the GN URI. A URI always points to http://genenetwork.org/"
(string-append uri-base-url "/" postfix))
(define (mk-html path)
"Create a pointer to API HTML documentation"
(mk-url path ".html"))
(define (mk-doc path)
"Create a pointer to API HTML documentation (doc infix)"
(mk-html (string-append "doc/" path)))
(define (mk-meta path)
"Create a meta URL for the API path"
(mk-url path ".meta.json"))
(define (mk-data path)
"Append .json for the API path. If it is not a full URL it will prepend the host"
(mk-url path ".json"))
(define (mk-term postfix)
(mk-html (string-append "term" "/" postfix)))
(define (mk-predicate postfix)
(mk-html (string-append "predicate" "/" postfix)))
(define (mk-id postfix)
"Expand URL to make $api/id/identifier.
If postfix is a path it will only apply the last element"
(mk-url (string-append "id" "/"
(url-parse-id postfix))))
(define (mk-gnid postfix)
"Expand URL to make http://genenetwork.org/id/identifier.
If postfix is a path it will only apply the last element"
(mk-uri (string-append "id" "/"
(url-parse-id postfix))))
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