Kicked of guile REST API

4 files changed, 84 insertions, 0 deletions

diff --git a/gn3-guile/README.md b/gn3-guile/README.md
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+# GN3 Guile Webservice
+
+This directory provides a Guile endpoint for the REST API. It is used in conjunction with the Python REST API and WIP.
diff --git a/gn3-guile/web/.guix-shell b/gn3-guile/web/.guix-shell
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+#!/bin/bash
+#
+#  run with options '-- ./webserver.scm 8091' e.g.
+#  . .guix-shell -- guile -e main ./webserver.scm 8091
+
+echo "Note run: running web-server"
+
+guix shell guile guile-json gnutls guile-readline guile-redis openssl nss-certs $*
diff --git a/gn3-guile/web/static/README.md b/gn3-guile/web/static/README.md
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+IMPORTANT: this is a REST server. Any static CSS and HTML should be handled in
+the GN2 code base(!)
diff --git a/gn3-guile/web/webserver.scm b/gn3-guile/web/webserver.scm
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+++ b/gn3-guile/web/webserver.scm
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+#!/usr/bin/env guile \
+-e main -s
+!#
+;; Minimal web server can be started from command line. Current example routes:
+;;
+;;    localhost:8080/version.json
+;;
+;; Note that this is a single blocking thread server right now.
+
+(use-modules (json)
+             (web server)
+             (web request)
+             (web response)
+             (web uri))
+
+(define (get-version-str)
+  "\"1.0\"")
+
+(define info-list (scm->json-string '(
+                                      ("name"."GeneNetwork REST API")
+                                      ("version"."1.0")
+                                      ("note"."work in progress (WIP)")
+                                      )))
+
+(define (get-gn-info-str)
+  info-list
+  )
+
+(define (get-species-str)
+  "{
+\"Mus_musculus\": {
+  \"id\": \"mouse\"
+  },
+\"Rattus_norvegicus\": {
+  \"id\": \"rat\"
+  }
+}")
+
+;; ---- REST API web server handler
+
+(define (hello-world-handler request body)
+  (let ((path (uri-path (request-uri request))))
+    (cond
+     ((member path (list "/version.json"))
+      (values '((content-type . (application/json)))
+              (get-version-str)
+              ))
+     ((member path (list "/species/"))
+      (values '((content-type . (application/json)))
+              (get-species-str)
+              ))
+     ((member path (list "/"))
+      (values '((content-type . (application/json)))
+              (get-gn-info-str)
+              ))
+     (else
+      (not-found request)))))
+
+(define (not-found request)
+  (values (build-response #:code 404)
+          (string-append "Resource not found: "
+                         (uri->string (request-uri request)))))
+
+(define (main args)
+  (write "Starting Guile REST API server!")
+  (write args)
+  (newline)
+  (let ((listen (inexact->exact (string->number (car (cdr args))))))
+    (display `("listening on" ,listen))
+    ;; (write listen)
+    (run-server hello-world-handler 'http `(#:port ,listen))))