Files
logseq/src/main/frontend/handler/web/nfs.cljs

317 lines
15 KiB
Clojure

(ns frontend.handler.web.nfs
"The File System Access API, https://web.dev/file-system-access/."
(:require ["/frontend/utils" :as utils]
[clojure.set :as set]
[clojure.string :as string]
[frontend.config :as config]
[frontend.db :as db]
[frontend.fs :as fs]
[frontend.fs.nfs :as nfs]
[frontend.handler.common :as common-handler]
[frontend.handler.global-config :as global-config-handler]
[frontend.handler.repo :as repo-handler]
[frontend.handler.route :as route-handler]
[frontend.idb :as idb]
[frontend.mobile.util :as mobile-util]
[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]
[logseq.common.util :as common-util]
[promesa.core :as p]
[frontend.persist-db :as persist-db]))
(defn remove-ignore-files
[files dir-name nfs?]
(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? (if nfs? "" dir-name) 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
;; TODO(andelf): rm nfs? parameter
[result nfs?]
(->>
(cond
;; TODO(andelf): use the same structure for both fields
(mobile-util/native-platform?)
(map (fn [{:keys [path content size mtime]}]
{:file/path (common-util/path-normalize path)
:file/last-modified-at mtime
:file/size size
:file/content content})
result)
(util/electron?)
(map (fn [{:keys [path stat content]}]
(let [{:keys [mtime size]} stat]
{:file/path (common-util/path-normalize path)
:file/last-modified-at mtime
:file/size size
:file/content content}))
result)
nfs?
(map (fn [{:keys [path content size mtime type] :as file-obj}]
(merge file-obj
{:file/path (common-util/path-normalize path)
:file/last-modified-at mtime
:file/size size
:file/type type
:file/content content}))
result)
:else ;; NFS backend
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- precheck-graph-dir
"Check graph dir, notify user if:
- Graph dir contains a nested graph, which should be avoided
- Over 10000 files found in graph dir, which might cause performance issues"
[_dir files]
;; disable this check for now
(when (some #(string/ends-with? (:path %) "/logseq/config.edn") files)
(state/pub-event!
[:notification/show {:content "It seems that you are trying to open a Logseq graph folder with nested graph. Please unlink this graph and choose a correct folder."
:status :warning
:clear? false}]))
(when (>= (count files) 10000)
(state/pub-event!
[:notification/show {:content "It seems that you are trying to open a Logseq graph folder that contains an excessive number of files, This might lead to performance issues."
:status :warning
:clear? true}])))
;; TODO: extract code for `ls-dir-files` and `reload-dir!`
(defn ls-dir-files-with-handler!
"Read files from directory and setup repo (for the first time setup a repo)"
([ok-handler] (ls-dir-files-with-handler! ok-handler nil))
([ok-handler {:keys [on-open-dir dir-result-fn picked-root-fn dir]}]
(let [electron? (util/electron?)
mobile-native? (mobile-util/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 (if (fn? dir-result-fn)
(dir-result-fn)
(fs/open-dir dir))
_ (when (fn? on-open-dir)
(on-open-dir result))
root-dir (:path result)
;; calling when root picked
_ (when (fn? picked-root-fn) (picked-root-fn root-dir))
repo (str config/local-db-prefix root-dir)]
(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? root-dir)
(p/let [files (:files result)
_ (precheck-graph-dir root-dir (:files result))
files (-> (->db-files files nfs?)
;; filter again, in case fs backend does not handle this
(remove-ignore-files root-dir nfs?))
markup-files (filter-markup-and-built-in-files files)]
(-> files
(p/then (fn [result]
;; handle graphs txid
(p/let [files (mapv #(dissoc % :file/file) result)
graphs-txid-meta (util-fs/read-graphs-txid-info root-dir)
graph-uuid (and (vector? graphs-txid-meta) (second graphs-txid-meta))]
(if-let [exists-graph (state/get-sync-graph-by-id graph-uuid)]
(state/pub-event!
[:notification/show
{:content (str "This graph already exists in \"" (:root exists-graph) "\"")
:status :warning}])
(p/do! (persist-db/<new repo)
(repo-handler/start-repo-db-if-not-exists! repo)
(when (config/global-config-enabled?)
(global-config-handler/restore-global-config!))
(repo-handler/load-new-repo-to-db! repo
{:new-graph? true
:empty-graph? (nil? (seq markup-files))
:file-objs files})
(state/add-repo! {:url repo :nfs? true})
(persist-db/<export-db repo {})
(state/set-loading-files! repo false)
(when ok-handler (ok-handler {:url 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 mobile-native?
(state/pub-event!
[:notification/show {:content (str error) :status :error}]))
(when (contains? #{"AbortError" "Error"} (gobj/get error "name"))
(when @*repo (state/set-loading-files! @*repo false))
(throw error))))
(p/finally
(fn []
(state/set-loading-files! @*repo false)))))))
(defn ls-dir-files-with-path!
([path] (ls-dir-files-with-path! path nil))
([path opts]
(when-let [dir-result-fn
(and path (fn []
(p/let [files-result (fs/open-dir path)]
files-result)))]
(ls-dir-files-with-handler!
(:ok-handler opts)
(merge {:dir-result-fn dir-result-fn} opts)))))
(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))]
(prn ::compute-diffs :added (count added) :modified (count modified) :deleted (count deleted))
{:added added
:modified modified
:deleted deleted}))
(defn- handle-diffs!
"Compute directory diffs and (re)load repo"
[repo nfs? old-files new-files re-index? ok-handler]
(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))
added-or-modified (set (concat added 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))]
(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))
(-> (repo-handler/load-repo-to-db! repo
{:diffs diffs
:nfs-files modified-files
:refresh? (not re-index?)
:new-graph? re-index?})
(p/then (fn [_state]
(ok-handler)))
(p/catch (fn [error]
(js/console.error "load-repo-to-db" error)))))
(when (and (util/electron?) (not re-index?))
(db/transact! repo new-files))))))))
(defn- reload-dir!
"Handle refresh and re-index"
[repo {:keys [re-index? ok-handler]
:or {re-index? false}}]
(when (and repo (config/local-file-based-graph? repo))
(let [old-files (db/get-files-full repo)
repo-dir (config/get-local-dir repo)
handle-path (str "handle/" repo-dir)
electron? (util/electron?)
mobile-native? (mobile-util/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?)
(p/let [_ (when nfs? (nfs/verify-permission repo true))
local-files-result (fs/get-files repo-dir)
_ (when (config/global-config-enabled?)
;; reload global config into state
(global-config-handler/restore-global-config!))
new-files (-> (->db-files (:files local-files-result) nfs?)
(remove-ignore-files repo-dir nfs?))]
(handle-diffs! repo nfs? old-files new-files re-index? ok-handler))))
(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]
(let [ok-handler (fn []
(ok-handler)
(state/set-nfs-refreshing! false))]
(when repo
(state/set-nfs-refreshing! true)
(search/reset-indice! repo)
(db/remove-conn! repo)
(db/clear-query-state!)
(db/start-db-conn! repo {:db-graph? (config/db-based-graph? repo)})
(reload-dir! repo {:re-index? true
:ok-handler ok-handler}))))
;; TODO: move to frontend.handler.repo
(defn refresh!
[repo ok-handler]
(let [ok-handler (fn []
(ok-handler)
(state/set-nfs-refreshing! false))]
(when (and repo
(not (state/unlinked-dir? (config/get-repo-dir repo))))
(state/set-nfs-refreshing! true)
(reload-dir! repo {:ok-handler ok-handler}))))
(defn supported?
[]
(or (utils/nfsSupported) (util/electron?)))