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(ns chameleon.route
(:require [org.httpkit.client :as kitclient]
[chameleon.logging :as log]
[ring.util.http-status :as hs]))
(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 type & [gallifrey-params]]
@(kitclient/request {
:url (str "https://" host "/" type "/" key)
:method :get
:query-params gallifrey-params
:insecure? true
:keepalive 300
:timeout 20000}))
(defn assert-create!
"Creates an entity in Gallifrey with an initial set of assertions coming from the provided payload"
[host actor type key payload & [time-dimensions]]
(kitclient/request {:url (str "https://" host "/" type "/" key)
:method :put
:query-params (into {"actor" actor "create" "true"} time-dimensions)
: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 type key payload & [time-dimensions]]
(kitclient/request {:url (str "https://" host "/" type "/" key)
:method :put
:query-params (into {"actor" actor "changes-only" "true"} time-dimensions)
: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 type key & [time-dimensions]]
(kitclient/request {:url (str "https://" host "/" type "/" key)
:method :delete
:query-params (into {"actor" actor} time-dimensions)
:insecure? true
:keepalive 300
:timeout 1000}))
(defn assert-gallifrey!
[host actor type payload & [e-logger a-logger]]
"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 time]} meta
_ (log/info e-logger "GALLIFREY_ASSERTION" (mapv str [operation type key]))
g-assert (case operation
"CREATE" (assert-create! host actor type key body time)
"UPDATE" (assert-update! host actor type key body time)
"DELETE" (assert-delete! host actor type key time))
{:keys [status body]} @g-assert]
(log/info e-logger "RESPONSE" (mapv str [operation key status body]))
(if (and (>= status 200) (<= status 299))
(log/info e-logger "GALLIFREY_ASSERTED" ["SUCCEEDED" (str type) (str key)])
(log/info e-logger "GALLIFREY_ASSERTED" ["FAILED" (str type) (str key)]))
(log/info a-logger "RESPONSE" (mapv str [operation key status body])
:fields {:response-code status :response-description (hs/get-name status)})))
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