mirror of
https://github.com/logseq/logseq.git
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393 lines
16 KiB
Clojure
393 lines
16 KiB
Clojure
(ns frontend.handler.file
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(:refer-clojure :exclude [load-file])
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(:require ["/frontend/utils" :as utils]
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[borkdude.rewrite-edn :as rewrite]
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[cljs-bean.core :as bean]
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[cljs-time.coerce :as tc]
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[cljs-time.core :as t]
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[cljs.core.async.interop :refer [<p!]]
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[clojure.core.async :as async]
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[clojure.string :as string]
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[frontend.config :as config]
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[frontend.db :as db]
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[frontend.db.model :as model]
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[frontend.format :as format]
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[frontend.fs :as fs]
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[frontend.fs.nfs :as nfs]
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[frontend.git :as git]
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[frontend.handler.common :as common-handler]
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[frontend.handler.extract :as extract-handler]
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[frontend.handler.route :as route-handler]
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[frontend.handler.ui :as ui-handler]
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[frontend.state :as state]
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[frontend.utf8 :as utf8]
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[frontend.util :as util]
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[lambdaisland.glogi :as log]
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[promesa.core :as p]
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[frontend.debug :as debug]
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[frontend.mobile.util :as mobile]))
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;; TODO: extract all git ops using a channel
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(defn load-file
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[repo-url path]
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(->
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(p/let [content (fs/read-file (config/get-repo-dir repo-url) path)]
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content)
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(p/catch
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(fn [e]
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(println "Load file failed: " path)
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(js/console.error e)))))
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(defn load-multiple-files
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[repo-url paths]
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(doall
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(mapv #(load-file repo-url %) paths)))
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(defn- keep-formats
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[files formats]
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(filter
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(fn [file]
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(let [format (format/get-format file)]
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(contains? formats format)))
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files))
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(defn- only-supported-formats
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[files]
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(keep-formats files (config/supported-formats)))
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(defn- only-text-formats
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[files]
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(keep-formats files (config/text-formats)))
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(defn- only-image-formats
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[files]
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(keep-formats files (config/img-formats)))
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(defn restore-config!
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([repo-url project-changed-check?]
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(restore-config! repo-url nil project-changed-check?))
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([repo-url config-content project-changed-check?]
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(let [config-content (if config-content config-content
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(common-handler/get-config repo-url))]
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(when config-content
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(common-handler/reset-config! repo-url config-content)))))
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(defn load-files
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[repo-url]
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(state/set-cloning! false)
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(state/set-loading-files! true)
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(p/let [files (git/list-files repo-url)
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files (bean/->clj files)
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config-content (load-file repo-url
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(config/get-config-path repo-url))
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files (if config-content
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(let [config (restore-config! repo-url config-content true)]
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(common-handler/remove-hidden-files files config identity))
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files)]
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(only-supported-formats files)))
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(defn load-files-contents!
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[repo-url files ok-handler]
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(let [images (only-image-formats files)
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files (only-text-formats files)]
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(-> (p/all (load-multiple-files repo-url files))
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(p/then (fn [contents]
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(let [file-contents (cond->
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(zipmap files contents)
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(seq images)
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(merge (zipmap images (repeat (count images) ""))))
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file-contents (for [[file content] file-contents]
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{:file/path file
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:file/content content})]
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(ok-handler file-contents))))
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(p/catch (fn [error]
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(log/error :nfs/load-files-error repo-url)
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(log/error :exception error))))))
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(defn- remove-non-exists-refs!
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[data]
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(let [block-ids (->> (map :block/uuid data)
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(remove nil?)
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(set))
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keep-block-ref-f (fn [refs]
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(filter (fn [ref]
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(cond
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(and (vector? ref) (= :block/uuid (first ref)))
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(let [id (second ref)]
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(or (contains? block-ids id)
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(db/entity [:block/uuid id])))
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(and (map? ref) (contains? ref :block/journal?))
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(db/entity [:block/name (ref :block/name)]))) refs))]
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(map (fn [item]
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(update item :block/refs keep-block-ref-f))
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data)))
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(defn- page-exists-in-another-file
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[repo-url page file]
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(when-let [page-name (:block/name page)]
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(let [current-file (:file/path (db/get-page-file repo-url page-name))]
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(when (not= file current-file)
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current-file))))
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(defn reset-file!
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[repo-url file content]
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(let [electron-local-repo? (and (util/electron?)
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(config/local-db? repo-url))
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file (cond
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(and electron-local-repo?
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util/win32?
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(utils/win32 file))
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file
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(and electron-local-repo? (or
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util/win32?
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(not= "/" (first file))))
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(str (config/get-repo-dir repo-url) "/" file)
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(and (mobile/is-native-platform?) (not= "/" (first file)))
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(str (config/get-repo-dir repo-url) "/" file)
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:else
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file)
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new? (nil? (db/entity [:file/path file]))]
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(db/set-file-content! repo-url file content)
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(let [format (format/get-format file)
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utf8-content (utf8/encode content)
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file-content [{:file/path file}]]
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(p/let [tx (if (contains? config/mldoc-support-formats format)
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(p/let [[pages blocks] (extract-handler/extract-blocks-pages repo-url file content utf8-content)
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first-page (first pages)
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delete-blocks (->
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(concat
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(db/delete-file-blocks! repo-url file)
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(when first-page (db/delete-page-blocks repo-url (:block/name first-page))))
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(distinct))
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_ (when-let [current-file (page-exists-in-another-file repo-url first-page file)]
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(when (not= file current-file)
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(let [error (str "Page already exists with another file: " current-file ", current file: " file)]
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(state/pub-event! [:notification/show
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{:content error
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:status :error
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:clear? false}]))))
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blocks (remove-non-exists-refs! blocks)
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block-ids (map (fn [block] {:block/uuid (:block/uuid block)}) blocks)
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pages (extract-handler/with-ref-pages pages blocks)]
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(concat file-content delete-blocks pages block-ids blocks))
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file-content)]
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(let [tx (concat tx [(let [t (tc/to-long (t/now))]
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(cond->
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{:file/path file}
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new?
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(assoc :file/created-at t)))])]
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(db/transact! repo-url tx))))))
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;; TODO: Remove this function in favor of `alter-files`
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(defn alter-file
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[repo path content {:keys [reset? re-render-root? add-history? update-status? from-disk? skip-compare?]
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:or {reset? true
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re-render-root? false
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add-history? true
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update-status? false
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from-disk? false
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skip-compare? false}}]
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(let [edit-block (state/get-edit-block)
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original-content (db/get-file-no-sub repo path)
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write-file! (if from-disk?
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#(p/resolved nil)
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#(fs/write-file! repo (config/get-repo-dir repo) path content
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(assoc (when original-content {:old-content original-content})
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:skip-compare? skip-compare?)))]
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(p/let [_ (if reset?
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(do
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(when-let [page-id (db/get-file-page-id path)]
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(db/transact! repo
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[[:db/retract page-id :block/alias]
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[:db/retract page-id :block/tags]]))
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(reset-file! repo path content))
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(db/set-file-content! repo path content))]
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(util/p-handle (write-file!)
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(fn [_]
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(when (= path (config/get-config-path repo))
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(restore-config! repo true))
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(when (= path (config/get-custom-css-path repo))
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(ui-handler/add-style-if-exists!))
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(when re-render-root? (ui-handler/re-render-root!)))
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(fn [error]
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(println "Write file failed, path: " path ", content: " content)
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(log/error :write/failed error))))))
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(defn set-file-content!
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[repo path new-content]
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(alter-file repo path new-content {:reset? false
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:re-render-root? false}))
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(defn create!
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([path]
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(create! path ""))
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([path content]
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(when-let [repo (state/get-current-repo)]
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(when (and path content)
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(p/let [_ (alter-file repo path content {:reset? false
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:re-render-root? false
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:update-status? true})]
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(route-handler/redirect! {:to :file
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:path-params {:path path}}))))))
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(defn alter-files
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[repo files {:keys [add-history? update-status? finish-handler reset? update-db? chan chan-callback resolved-handler]
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:or {add-history? true
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update-status? true
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reset? false
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update-db? true}
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:as opts}]
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;; old file content
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(let [file->content (let [paths (map first files)]
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(zipmap paths
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(map (fn [path] (db/get-file-no-sub repo path)) paths)))]
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;; update db
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(when update-db?
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(doseq [[path content] files]
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(if reset?
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(reset-file! repo path content)
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(db/set-file-content! repo path content))))
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(when-let [chan (state/get-file-write-chan)]
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(let [chan-callback (:chan-callback opts)]
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(async/put! chan [repo files opts file->content])
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(when chan-callback
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(chan-callback))))))
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(defn alter-files-handler!
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[repo files {:keys [finish-handler chan]} file->content]
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(let [write-file-f (fn [[path content]]
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(when path
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(let [original-content (get file->content path)]
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(-> (p/let [_ (or
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(util/electron?)
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(nfs/check-directory-permission! repo))]
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(debug/set-ack-step! path :write-file)
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(fs/write-file! repo (config/get-repo-dir repo) path content
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{:old-content original-content}))
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(p/catch (fn [error]
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(state/pub-event! [:notification/show
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{:content (str "Failed to save the file " path ". Error: "
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(str error))
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:status :error
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:clear? false}])
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(state/pub-event! [:instrument {:type :write-file/failed
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:payload {:path path
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:content-length (count content)
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:error-str (str error)
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:error error}}])
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(log/error :write-file/failed {:path path
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:content content
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:error error})))))))
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finish-handler (fn []
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(when finish-handler
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(finish-handler))
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(ui-handler/re-render-file!))]
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(-> (p/all (map write-file-f files))
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(p/then (fn []
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(finish-handler)
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(when chan
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(async/put! chan true))))
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(p/catch (fn [error]
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(println "Alter files failed:")
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(js/console.error error)
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(async/put! chan false))))))
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(defn remove-file!
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[repo file]
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(when-not (string/blank? file)
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(->
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(p/let [_ (or (config/local-db? repo) (git/remove-file repo file))
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_ (fs/unlink! repo (config/get-repo-path repo file) nil)]
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(when-let [file (db/entity repo [:file/path file])]
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(common-handler/check-changed-files-status)
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(let [file-id (:db/id file)
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page-id (db/get-file-page-id (:file/path file))
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tx-data (map
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(fn [db-id]
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[:db.fn/retractEntity db-id])
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(remove nil? [file-id page-id]))]
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(when (seq tx-data)
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(db/transact! repo tx-data)))))
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(p/catch (fn [err]
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(js/console.error "error: " err))))))
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(defn run-writes-chan!
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[]
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(let [chan (state/get-file-write-chan)]
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(async/go-loop []
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(let [args (async/<! chan)
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files (second args)]
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(doseq [path (map first files)]
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(debug/set-ack-step! path :start-write-file))
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;; return a channel
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(try
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(<p! (apply alter-files-handler! args))
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(catch js/Error e
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(log/error :file/write-failed e))))
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(recur))
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chan))
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(defn watch-for-current-graph-dir!
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[]
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(when (util/electron?)
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(when-let [repo (state/get-current-repo)]
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(when-let [dir (config/get-repo-dir repo)]
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(fs/watch-dir! dir)))))
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(defn create-metadata-file
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[repo-url encrypted?]
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(let [repo-dir (config/get-repo-dir repo-url)
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path (str config/app-name "/" config/metadata-file)
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file-path (str "/" path)
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default-content (if encrypted? "{:db/encrypted? true}" "{}")]
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(p/let [_ (fs/mkdir-if-not-exists (str repo-dir "/" config/app-name))
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file-exists? (fs/create-if-not-exists repo-url repo-dir file-path default-content)]
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(when-not file-exists?
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(reset-file! repo-url path default-content)))))
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(defn create-pages-metadata-file
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[repo-url]
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(let [repo-dir (config/get-repo-dir repo-url)
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path (str config/app-name "/" config/pages-metadata-file)
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file-path (str "/" path)
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default-content "{}"]
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(p/let [_ (fs/mkdir-if-not-exists (str repo-dir "/" config/app-name))
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file-exists? (fs/create-if-not-exists repo-url repo-dir file-path default-content)]
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(when-not file-exists?
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(reset-file! repo-url path default-content)))))
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(defn edn-file-set-key-value
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[path k v]
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(when-let [repo (state/get-current-repo)]
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(when-let [content (db/get-file-no-sub path)]
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(common-handler/read-config content)
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(let [result (try
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(rewrite/parse-string content)
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(catch js/Error e
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(println "Parsing config file failed: ")
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(js/console.dir e)
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{}))
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ks (if (vector? k) k [k])
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new-result (rewrite/assoc-in result ks v)]
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(let [new-content (str new-result)]
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(set-file-content! repo path new-content))))))
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;; TODO:
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;; (defn compare-latest-pages
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;; []
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;; (when-let [repo (state/get-current-repo)]
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;; (doseq [{:block/keys [file name]} (db/get-latest-changed-pages repo)]
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;; (when-let [path (:file/path (db/pull (:db/id file)))]
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;; (p/let [content (load-file repo path)]
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;; (when (not= (string/trim content) (string/trim (or (db/get-file repo path) "")))
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;; ;; notify
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;; ))))))
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