penpot/backend/src/app/tasks.clj
2020-12-02 15:35:14 +01:00

52 lines
1.7 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; This Source Code Form is "Incompatible With Secondary Licenses", as
;; defined by the Mozilla Public License, v. 2.0.
;;
;; Copyright (c) 2020 UXBOX Labs SL
(ns app.tasks
(:require
[app.common.spec :as us]
[app.common.uuid :as uuid]
[app.db :as db]
[app.metrics :as mtx]
[app.util.time :as dt]
[clojure.spec.alpha :as s]
[clojure.tools.logging :as log]))
(s/def ::name ::us/string)
(s/def ::delay
(s/or :int ::us/integer
:duration dt/duration?))
(s/def ::queue ::us/string)
(s/def ::task-options
(s/keys :req-un [::name]
:opt-un [::delay ::props ::queue]))
(def ^:private sql:insert-new-task
"insert into task (id, name, props, queue, priority, max_retries, scheduled_at)
values (?, ?, ?, ?, ?, ?, clock_timestamp() + ?)
returning id")
(defn submit!
([opts] (submit! db/pool opts))
([conn {:keys [name delay props queue priority max-retries]
:or {delay 0 props {} queue "default" priority 100 max-retries 3}
:as options}]
(us/verify ::task-options options)
(let [duration (dt/duration delay)
interval (db/interval duration)
props (db/tjson props)
id (uuid/next)]
(log/infof "Submit task '%s' to be executed in '%s'." name (str duration))
(db/exec-one! conn [sql:insert-new-task id name props queue priority max-retries interval])
id)))
(mtx/instrument-with-counter!
{:var #'submit!
:id "tasks__submit_counter"
:help "Absolute task submit counter."})