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44 lines
1.2 KiB
Clojure
44 lines
1.2 KiB
Clojure
;; This Source Code Form is subject to the terms of the Mozilla Public
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;; License, v. 2.0. If a copy of the MPL was not distributed with this
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;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
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;;
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;; Copyright (c) KALEIDOS INC
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(ns app.tasks.tasks-gc
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"A maintenance task that performs a cleanup of already executed tasks
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from the database table."
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(:require
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[app.common.logging :as l]
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[app.config :as cf]
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[app.db :as db]
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[clojure.spec.alpha :as s]
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[integrant.core :as ig]))
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(def ^:private
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sql:delete-completed-tasks
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"DELETE FROM task WHERE scheduled_at < now() - ?::interval")
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(defmethod ig/pre-init-spec ::handler [_]
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(s/keys :req [::db/pool]))
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(defmethod ig/prep-key ::handler
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[_ cfg]
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(assoc cfg ::min-age cf/deletion-delay))
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(defmethod ig/init-key ::handler
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[_ {:keys [::db/pool ::min-age] :as cfg}]
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(fn [params]
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(let [min-age (or (:min-age params) min-age)]
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(db/with-atomic [conn pool]
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(let [interval (db/interval min-age)
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result (db/exec-one! conn [sql:delete-completed-tasks interval])
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result (db/get-update-count result)]
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(l/debug :hint "task finished" :total result)
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(when (:rollback? params)
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(db/rollback! conn))
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result)))))
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