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(ns chameleon.route
(:require [org.httpkit.client :as kitclient]))
(defn- interpret-response
"Print out the response from the Gallifrey server"
[key response]
(let [{:keys [status body]}@response]
(println "Response for request with key " key " resulted in status " status
" with body " body )))
(defn query
"Retrieve an entity referenced by id at the provided host. Optionally provide
a time 't-k' that defines a query based on when the system knew about the
state of the entity."
[host key & [k]]
@(kitclient/request {
:url (str "https://" host "/entity/" key)
:method :get
:query-params (if-let [t-k k] {"t-k" t-k})
:insecure? true
:keepalive 300
:timeout 1000}))
(defn assert-create
"Creates an entity in Gallifrey with an initial set of assertions coming from the provided payload"
[host actor key payload]
(print "Final: " payload)
(kitclient/request {
:url (str "https://" host "/entity/" key)
:method :put
:query-params {"actor" actor "create" "true"}
:body payload
:insecure? true
:keepalive 300
:timeout 1000}))
(defn assert-update
"Update an entity in Gallifrey with a set of assertions coming from the provided payload"
[host actor key payload]
(kitclient/request {
:url (str "https://" host "/entity/" key)
:method :put
:query-params {"actor" actor "changes-only" "true"}
:body payload
:insecure? true
:keepalive 300
:timeout 1000}))
(defn assert-delete
"Assert a deletion for an entity in Gallifrey based on the provided key."
[host actor key]
(kitclient/request {
:url (str "https://" host "/entity/" key)
:method :delete
:query-params {"actor" actor}
:insecure? true
:keepalive 300
:timeout 1000}))
(defn assert-gallifrey [host actor payload]
"Propagates an assertion to Gallifrey based off of an event payload coming in from the event service."
(let [{:keys [meta body]} payload
{:keys [key operation]} meta]
(println operation " entity with key " key)
(interpret-response key (case operation
"CREATE"
(assert-create host actor key body)
"UPDATE"
(assert-update host actor key body)
"DELETE"
(assert-delete host actor key)))))
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