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add with-headers macro to allow for adding any extra http headers

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Gered 2014-09-24 13:54:04 -04:00
parent e0f02c05d6
commit 2fa6cded59
1 changed files with 18 additions and 7 deletions
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25
src/clj_hl7_fhir/core.clj
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@ -28,6 +28,15 @@
`(binding [*server-auth* (select-keys ~auth [:basic-auth :digest-auth :oauth-token])] `(binding [*server-auth* (select-keys ~auth [:basic-auth :digest-auth :oauth-token])]
~@body)) ~@body))
(def ^:dynamic *extra-headers* nil)
(defmacro with-headers
"wraps code that performs FHIR operations such that each FHIR HTTP request will have
any extra HTTP headers specified in the given headers map."
[headers & body]
`(binding [*extra-headers* headers]
~@body))
(defn- ->fhir-resource-name [x] (defn- ->fhir-resource-name [x]
(name (->CamelCase x))) (name (->CamelCase x)))
@ -37,17 +46,19 @@
(defn- fhir-request [type base-url resource-url & {:keys [params body params-as-body? follow-location?]}] (defn- fhir-request [type base-url resource-url & {:keys [params body params-as-body? follow-location?]}]
(let [query (map->query-string params) (let [query (map->query-string params)
auth *server-auth*
url (build-url base-url resource-url (if-not params-as-body? query)) url (build-url base-url resource-url (if-not params-as-body? query))
body (if params-as-body? query body) body (if params-as-body? query body)
follow-location? (if (nil? follow-location?) true follow-location?)] follow-location? (if (nil? follow-location?) true follow-location?)
http-req-params (merge
(if (map? *server-auth*) *server-auth*)
(if (map? *extra-headers*) {:headers *extra-headers*}))]
(try (try
(let [response (case type (let [response (case type
:get (http-get-json url auth) :get (http-get-json url http-req-params)
:form-post (http-post-form url auth body) :form-post (http-post-form url http-req-params body)
:post (http-post-json url auth body) :post (http-post-json url http-req-params body)
:put (http-put-json url auth body) :put (http-put-json url http-req-params body)
:delete (http-delete-json url auth body)) :delete (http-delete-json url http-req-params body))
response-body (:body response) response-body (:body response)
location (get-in response [:headers "Location"])] location (get-in response [:headers "Location"])]
(if location (if location