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61 lines
1.8 KiB
Clojure
61 lines
1.8 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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;; This Source Code Form is "Incompatible With Secondary Licenses", as
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;; defined by the Mozilla Public License, v. 2.0.
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;;
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;; Copyright (c) 2020-2021 UXBOX Labs SL
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(ns app.storage.db
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(:require
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[app.common.spec :as us]
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[app.db :as db]
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[app.storage.impl :as impl]
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[clojure.spec.alpha :as s]
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[integrant.core :as ig])
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(:import
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java.io.ByteArrayInputStream))
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;; --- BACKEND INIT
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(defmethod ig/pre-init-spec ::backend [_]
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(s/keys :opt-un [::db/pool]))
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(defmethod ig/init-key ::backend
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[_ cfg]
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(assoc cfg :type :db))
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(s/def ::type ::us/keyword)
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(s/def ::backend
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(s/keys :req-un [::type ::db/pool]))
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;; --- API IMPL
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(defmethod impl/put-object :db
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[{:keys [conn] :as storage} {:keys [id] :as object} content]
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(let [data (impl/slurp-bytes content)]
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(db/insert! conn :storage-data {:id id :data data})
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object))
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(defmethod impl/copy-object :db
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[{:keys [conn] :as storage} src-object dst-object]
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(db/exec-one! conn ["insert into storage_data (id, data) select ? as id, data from storage_data where id=?"
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(:id dst-object)
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(:id src-object)]))
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(defmethod impl/get-object-data :db
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[{:keys [conn] :as backend} {:keys [id] :as object}]
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(let [result (db/exec-one! conn ["select data from storage_data where id=?" id])]
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(ByteArrayInputStream. (:data result))))
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(defmethod impl/get-object-url :db
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[_ _]
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(throw (UnsupportedOperationException. "not supported")))
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(defmethod impl/del-objects-in-bulk :db
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[_ _]
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;; NOOP: because deleting the row already deletes the file data from
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;; the database.
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nil)
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