Files
logseq/src/main/frontend/handler/web/nfs.cljs
Charlie 0d3ac91ca3 Feature/Setups of Onboarding Process (#4580)
UX enhancement: onboarding setup graphs 

Co-authored-by: llcc <lzhes43@gmail.com>
Co-authored-by: Tienson Qin <tiensonqin@gmail.com>
2022-04-02 21:37:38 +08:00

339 lines
16 KiB
Clojure

(ns frontend.handler.web.nfs
"The File System Access API, https://web.dev/file-system-access/."
(:require ["/frontend/utils" :as utils]
[cljs-bean.core :as bean]
[clojure.set :as set]
[clojure.string :as string]
[frontend.config :as config]
[frontend.db :as db]
[frontend.encrypt :as encrypt]
[frontend.fs :as fs]
[frontend.fs.nfs :as nfs]
[frontend.handler.common :as common-handler]
[frontend.handler.repo :as repo-handler]
[frontend.handler.route :as route-handler]
[frontend.idb :as idb]
[frontend.search :as search]
[frontend.state :as state]
[frontend.util :as util]
[frontend.util.fs :as util-fs]
[goog.object :as gobj]
[lambdaisland.glogi :as log]
[promesa.core :as p]
[frontend.mobile.util :as mobile-util]))
(defn remove-ignore-files
[files]
(let [files (remove (fn [f]
(let [path (:file/path f)]
(or (string/starts-with? path ".git/")
(string/includes? path ".git/")
(and (util-fs/ignored-path? "" path)
(not= (:file/name f) ".gitignore")))))
files)]
(if-let [ignore-file (some #(when (= (:file/name %) ".gitignore")
%) files)]
(if-let [file (:file/file ignore-file)]
(p/let [content (.text file)]
(when content
(let [paths (set (common-handler/ignore-files content (map :file/path files)))]
(when (seq paths)
(filter (fn [f] (contains? paths (:file/path f))) files)))))
(p/resolved files))
(p/resolved files))))
(defn- ->db-files
[mobile-native? electron? dir-name result]
(->>
(cond
mobile-native?
(map (fn [{:keys [uri content size mtime]}]
{:file/path (util/path-normalize uri)
:file/last-modified-at mtime
:file/size size
:file/content content})
result)
electron?
(map (fn [{:keys [path stat content]}]
(let [{:keys [mtime size]} stat]
{:file/path (util/path-normalize path)
:file/last-modified-at mtime
:file/size size
:file/content content}))
result)
:else
(let [result (flatten (bean/->clj result))]
(map (fn [file]
(let [handle (gobj/get file "handle")
get-attr #(gobj/get file %)
path (-> (get-attr "webkitRelativePath")
(string/replace-first (str dir-name "/") ""))]
{:file/name (get-attr "name")
:file/path (util/path-normalize path)
:file/last-modified-at (get-attr "lastModified")
:file/size (get-attr "size")
:file/type (get-attr "type")
:file/file file
:file/handle handle})) result)))
(sort-by :file/path)))
(defn- filter-markup-and-built-in-files
[files]
(filter (fn [file]
(contains? (set/union config/markup-formats #{:css :edn})
(keyword (util/get-file-ext (:file/path file)))))
files))
(defn- set-batch!
[handles]
(let [handles (map (fn [[path handle]]
{:key path
:value handle}) handles)]
(idb/set-batch! handles)))
(defn- set-files-aux!
[handles]
(when (seq handles)
(let [[h t] (split-at 50 handles)]
(p/let [_ (p/promise (fn [_]
(js/setTimeout (fn []
(p/resolved nil)) 10)))
_ (set-batch! h)]
(when (seq t)
(set-files-aux! t))))))
(defn- set-files!
[handles]
(let [handles (map (fn [[path handle]]
(let [handle-path (str config/local-handle-prefix path)]
[handle-path handle]))
handles)]
(doseq [[path handle] handles]
(nfs/add-nfs-file-handle! path handle))
(set-files-aux! handles)))
;; TODO: extract code for `ls-dir-files` and `reload-dir!`
(defn ls-dir-files-with-handler!
[ok-handler]
(let [path-handles (atom {})
electron? (util/electron?)
mobile-native? (mobile-util/is-native-platform?)
nfs? (and (not electron?)
(not mobile-native?))
*repo (atom nil)]
;; TODO: add ext filter to avoid loading .git or other ignored file handlers
(->
(p/let [result (fs/open-dir (fn [path handle]
(when nfs?
(swap! path-handles assoc path handle))))
root-handle (first result)
dir-name (if nfs?
(gobj/get root-handle "name")
root-handle)
repo (str config/local-db-prefix dir-name)
_ (state/set-loading-files! repo true)
_ (when-not (or (state/home?) (state/setups-picker?))
(route-handler/redirect-to-home! false))]
(reset! *repo repo)
(when-not (string/blank? dir-name)
(p/let [root-handle-path (str config/local-handle-prefix dir-name)
_ (when nfs?
(idb/set-item! root-handle-path root-handle)
(nfs/add-nfs-file-handle! root-handle-path root-handle))
result (nth result 1)
files (-> (->db-files mobile-native? electron? dir-name result)
remove-ignore-files)
_ (when nfs?
(let [file-paths (set (map :file/path files))]
(swap! path-handles (fn [handles]
(->> handles
(filter (fn [[path _handle]]
(or
(contains? file-paths
(string/replace-first path (str dir-name "/") ""))
(let [last-part (last (string/split path "/"))]
(contains? #{config/app-name
config/default-draw-directory
(config/get-journals-directory)
(config/get-pages-directory)}
last-part)))))
(into {})))))
(set-files! @path-handles))
markup-files (filter-markup-and-built-in-files files)]
(-> (p/all (map (fn [file]
(p/let [content (if nfs?
(.text (:file/file file))
(:file/content file))
content (encrypt/decrypt content)]
(assoc file :file/content content))) markup-files))
(p/then (fn [result]
(let [files (map #(dissoc % :file/file) result)]
(repo-handler/start-repo-db-if-not-exists! repo {:db-type :local-native-fs})
(p/let [_ (repo-handler/load-repo-to-db! repo
{:first-clone? true
:new-graph? true
:empty-graph? (nil? (seq markup-files))
:nfs-files files})]
(state/add-repo! {:url repo :nfs? true})
(state/set-loading-files! repo false)
(when ok-handler (ok-handler))
(fs/watch-dir! dir-name)
(db/persist-if-idle! repo)))))
(p/catch (fn [error]
(log/error :nfs/load-files-error repo)
(log/error :exception error)))))))
(p/catch (fn [error]
(log/error :exception error)
(when (contains? #{"AbortError" "Error"} (gobj/get error "name"))
(when @*repo (state/set-loading-files! @*repo false))
;; (log/error :nfs/open-dir-error error)
))))))
(defn- compute-diffs
[old-files new-files]
(let [ks [:file/path :file/last-modified-at :file/content]
->set (fn [files ks]
(when (seq files)
(->> files
(map #(select-keys % ks))
set)))
old-files (->set old-files ks)
new-files (->set new-files ks)
file-path-set-f (fn [col] (set (map :file/path col)))
get-file-f (fn [files path] (some #(when (= (:file/path %) path) %) files))
old-file-paths (file-path-set-f old-files)
new-file-paths (file-path-set-f new-files)
added (set/difference new-file-paths old-file-paths)
deleted (set/difference old-file-paths new-file-paths)
modified (->> (set/intersection new-file-paths old-file-paths)
(filter (fn [path]
(not= (:file/content (get-file-f old-files path))
(:file/content (get-file-f new-files path)))))
(set))]
{:added added
:modified modified
:deleted deleted}))
(defn- handle-diffs!
[repo nfs? old-files new-files handle-path path-handles re-index?]
(let [get-last-modified-at (fn [path] (some (fn [file]
(when (= path (:file/path file))
(:file/last-modified-at file)))
new-files))
get-file-f (fn [path files] (some #(when (= (:file/path %) path) %) files))
{:keys [added modified deleted]} (compute-diffs old-files new-files)
;; Use the same labels as isomorphic-git
rename-f (fn [typ col] (mapv (fn [file] {:type typ :path file :last-modified-at (get-last-modified-at file)}) col))
_ (when (and nfs? (seq deleted))
(let [deleted (doall
(-> (map (fn [path] (if (= "/" (first path))
path
(str "/" path))) deleted)
(distinct)))]
(p/all (map (fn [path]
(let [handle-path (str handle-path path)]
(idb/remove-item! handle-path)
(nfs/remove-nfs-file-handle! handle-path))) deleted))))
added-or-modified (set (concat added modified))
_ (when (and nfs? (seq added-or-modified))
(p/all (map (fn [path]
(when-let [handle (get @path-handles path)]
(idb/set-item! (str handle-path path) handle))) added-or-modified)))]
(-> (p/all (map (fn [path]
(when-let [file (get-file-f path new-files)]
(p/let [content (if nfs?
(.text (:file/file file))
(:file/content file))
content (encrypt/decrypt content)]
(assoc file :file/content content)))) added-or-modified))
(p/then (fn [result]
(let [files (map #(dissoc % :file/file :file/handle) result)
[modified-files modified] (if re-index?
[files (set modified)]
(let [modified-files (filter (fn [file] (contains? added-or-modified (:file/path file))) files)]
[modified-files (set modified)]))
diffs (concat
(rename-f "remove" deleted)
(rename-f "add" added)
(rename-f "modify" modified))]
(when (or (and (seq diffs) (seq modified-files))
(seq diffs))
(comment "re-index a local graph is handled here")
(repo-handler/load-repo-to-db! repo
{:diffs diffs
:nfs-files modified-files
;; re-ask encryption
:first-clone? re-index?
:refresh? (not re-index?)}))
(when (and (util/electron?) (not re-index?))
(db/transact! repo new-files))))))))
(defn- reload-dir!
([repo]
(reload-dir! repo false))
([repo re-index?]
(when (and repo (config/local-db? repo))
(let [old-files (db/get-files-full repo)
dir-name (config/get-local-dir repo)
handle-path (str config/local-handle-prefix dir-name)
path-handles (atom {})
electron? (util/electron?)
mobile-native? (mobile-util/is-native-platform?)
nfs? (and (not electron?)
(not mobile-native?))]
(when re-index?
(state/set-graph-syncing? true))
(->
(p/let [handle (when-not electron? (idb/get-item handle-path))]
(when (or handle electron? mobile-native?) ; electron doesn't store the file handle
(p/let [_ (when handle (nfs/verify-permission repo handle true))
files-result (fs/get-files (if nfs? handle
(config/get-local-dir repo))
(fn [path handle]
(when nfs?
(swap! path-handles assoc path handle))))
new-files (-> (->db-files mobile-native? electron? dir-name files-result)
remove-ignore-files)
_ (when nfs?
(let [file-paths (set (map :file/path new-files))]
(swap! path-handles (fn [handles]
(->> handles
(filter (fn [[path _handle]]
(contains? file-paths
(string/replace-first path (str dir-name "/") ""))))
(into {})))))
(set-files! @path-handles))]
(handle-diffs! repo nfs? old-files new-files handle-path path-handles re-index?))))
(p/catch (fn [error]
(log/error :nfs/load-files-error repo)
(log/error :exception error)))
(p/finally (fn [_]
(state/set-graph-syncing? false))))))))
(defn rebuild-index!
[repo ok-handler]
(when repo
(state/set-nfs-refreshing! true)
(search/reset-indice! repo)
(db/remove-conn! repo)
(db/clear-query-state!)
(db/start-db-conn! (state/get-me) repo)
(p/let [_ (reload-dir! repo true)
_ (ok-handler)]
(state/set-nfs-refreshing! false))))
(defn refresh!
[repo ok-handler]
(when repo
(state/set-nfs-refreshing! true)
(p/let [_ (reload-dir! repo)
_ (ok-handler)]
(state/set-nfs-refreshing! false))))
(defn supported?
[]
(or (utils/nfsSupported) (util/electron?)))