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db wip

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This commit is contained in:
Tienson Qin
2023-05-22 13:01:55 +08:00
parent db0b9acd98
commit df11ccc17a
15 changed files with 304 additions and 16 deletions
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30
src/main/frontend/db.cljs
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@@ -16,7 +16,11 @@
[frontend.state :as state]
[frontend.util :as util]
[promesa.core :as p]
[electron.ipc :as ipc]))
[electron.ipc :as ipc]
[clojure.string :as string]
[frontend.config :as config]
[clojure.edn :as edn]
[cljs-bean.core :as bean]))
(import-vars
[frontend.db.conn
@@ -174,12 +178,30 @@
(conn/reset-conn! db-conn db)))]
(d/transact! db-conn [{:schema/version db-schema/version}])))
(defn restore-graph-from-sqlite!
"Load graph from SQLite"
[repo]
(p/let [db-name (datascript-db repo)
db-conn (d/create-conn db-schema/schema)
_ (swap! conns assoc db-name db-conn)
data (ipc/ipc :get-initial-data repo)
data (bean/->clj data)
blocks (map (comp edn/read-string :serialized_edn) data)]
;; TODO: Store schema in sqlite
;; (db-migrate/migrate attached-db)
(d/transact! db-conn [{:schema/version db-schema/version}])
(d/transact! db-conn blocks)))
(defn restore-graph!
"Restore db from serialized db cache"
[repo]
(p/let [db-name (datascript-db repo)
stored (db-persist/get-serialized-graph db-name)]
(restore-graph-from-text! repo stored)))
(if (string/starts-with? repo config/db-version-prefix)
(restore-graph-from-sqlite! repo)
(p/let [db-name (datascript-db repo)
stored (db-persist/get-serialized-graph db-name)]
(restore-graph-from-text! repo stored))))
(defn restore!
[repo]