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logseq/src/main/frontend/handler/import.cljs

267 lines
12 KiB
Clojure

(ns frontend.handler.import
"Fns related to import from external services"
(:require [clojure.edn :as edn]
[clojure.walk :as walk]
[frontend.external :as external]
[frontend.handler.file :as file-handler]
[frontend.handler.repo :as repo-handler]
[frontend.state :as state]
[frontend.date :as date]
[frontend.config :as config]
[clojure.string :as string]
[frontend.db :as db]
[frontend.format.mldoc :as mldoc]
[frontend.format.block :as block]
[logseq.graph-parser.mldoc :as gp-mldoc]
[logseq.graph-parser.util :as gp-util]
[logseq.graph-parser.whiteboard :as gp-whiteboard]
[logseq.graph-parser.date-time-util :as date-time-util]
[frontend.handler.page :as page-handler]
[frontend.handler.editor :as editor]
[frontend.handler.notification :as notification]
[frontend.util :as util]
[frontend.handler.editor.impl :as editor-impl]
[clojure.core.async :as async]
[medley.core :as medley]))
(defn index-files!
"Create file structure, then parse into DB (client only)"
[repo files finish-handler]
(let [titles (->> files
(map :title)
(remove nil?))
files (map (fn [file]
(let [title (:title file)
journal? (date/valid-journal-title? title)]
(when-let [text (:text file)]
(let [title (or
(when journal?
(date/journal-title->default title))
(string/replace title "/" "-"))
title (-> (gp-util/page-name-sanity title)
(string/replace "\n" " "))
path (str (if journal?
(config/get-journals-directory)
(config/get-pages-directory))
"/"
title
".md")]
{:file/path path
:file/content text}))))
files)
files (remove nil? files)]
(repo-handler/parse-files-and-load-to-db! repo files nil)
(let [files (->> (map (fn [{:file/keys [path content]}] (when path [path content])) files)
(remove nil?))]
(file-handler/alter-files repo files {:add-history? false
:update-db? false
:update-status? false
:finish-handler finish-handler}))
(let [journal-pages-tx (let [titles (filter date/normalize-journal-title titles)]
(map
(fn [title]
(let [day (date/journal-title->int title)
journal-title (date-time-util/int->journal-title day (state/get-date-formatter))]
(when journal-title
(let [page-name (util/page-name-sanity-lc journal-title)]
{:block/name page-name
:block/journal? true
:block/journal-day day}))))
titles))]
(when (seq journal-pages-tx)
(db/transact! repo journal-pages-tx)))))
;; TODO: replace files with page blocks transaction
(defn import-from-roam-json!
[data finished-ok-handler]
(when-let [repo (state/get-current-repo)]
(let [files (external/to-markdown-files :roam data {})]
(index-files! repo files
(fn []
(finished-ok-handler))))))
;;; import OPML files
(defn import-from-opml!
[data finished-ok-handler]
#_:clj-kondo/ignore
(when-let [repo (state/get-current-repo)]
(let [config (gp-mldoc/default-config :markdown)
[headers parsed-blocks] (mldoc/opml->edn config data)
;; add empty pos metadata
parsed-blocks (map (fn [b] [b {}]) parsed-blocks)
page-name (:title headers)
parsed-blocks (->>
(block/extract-blocks parsed-blocks "" :markdown {:page-name page-name})
(mapv editor-impl/wrap-parse-block))]
(when (not (db/page-exists? page-name))
(page-handler/create! page-name {:redirect? false}))
(let [page-block (db/entity [:block/name (util/page-name-sanity-lc page-name)])
children (:block/_parent page-block)
blocks (db/sort-by-left children page-block)
last-block (last blocks)
snd-last-block (last (butlast blocks))
[target-block sibling?] (if (and last-block (seq (:block/content last-block)))
[last-block true]
(if snd-last-block
[snd-last-block true]
[page-block false]))]
(editor/paste-blocks
parsed-blocks
{:target-block target-block
:sibling? sibling?})
(finished-ok-handler [page-name])))))
(defn create-page-with-exported-tree!
"Create page from the per page object generated in `export-repo-as-edn-v2!`
Return page-name (title)
Extension to `insert-block-tree-after-target`
:id - page's uuid
:title - page's title (original name)
:children - tree
:properties - map
"
[{:keys [type uuid title children properties] :as tree}]
(let [has-children? (seq children)
page-format (or (some-> tree (:children) (first) (:format)) :markdown)
whiteboard? (= type "whiteboard")]
(try (page-handler/create! title {:redirect? false
:format page-format
:uuid uuid
:create-first-block? false
:properties properties
:whiteboard? whiteboard?})
(catch :default e
(js/console.error e)
(prn {:tree tree})
(notification/show! (str "Error happens when creating page " title ":\n"
e
"\nSkipped and continue the remaining import.") :error)))
(when has-children?
(let [page-name (util/page-name-sanity-lc title)
page-block (db/entity [:block/name page-name])]
;; Missing support for per block format (or deprecated?)
(try (if whiteboard?
(let [blocks (->> children
(map (partial medley/map-keys (fn [k] (keyword "block" k))))
(map gp-whiteboard/migrate-shape-block)
(map #(merge % (gp-whiteboard/with-whiteboard-block-props % page-name))))]
(db/transact! blocks))
(editor/insert-block-tree children page-format
{:target-block page-block
:sibling? false
:keep-uuid? true}))
(catch :default e
(js/console.error e)
(prn {:tree tree})
(notification/show! (str "Error happens when creating block content of page " title "\n"
e
"\nSkipped and continue the remaining import.") :error))))))
title)
(defn- pre-transact-uuids!
"Collect all uuids from page trees and write them to the db before hand."
[pages]
(let [uuids (mapv (fn [block]
{:block/uuid (:uuid block)})
(mapcat #(tree-seq map? :children %)
pages))]
(db/transact! uuids)))
(defn- import-from-tree!
"Not rely on file system - backend compatible.
tree-translator-fn: translate exported tree structure to the desired tree for import"
[data tree-translator-fn]
(let [imported-chan (async/promise-chan)]
(try
(let [blocks (->> (:blocks data)
(mapv tree-translator-fn )
(sort-by :title)
(medley/indexed))
job-chan (async/to-chan! blocks)]
(state/set-state! [:graph/importing-state :total] (count blocks))
(pre-transact-uuids! blocks)
(async/go-loop []
(if-let [[i block] (async/<! job-chan)]
(do
(state/set-state! [:graph/importing-state :current-idx] (inc i))
(state/set-state! [:graph/importing-state :current-page] (:title block))
(async/<! (async/timeout 10))
(create-page-with-exported-tree! block)
(recur))
(do
(editor/set-blocks-id! (db/get-all-referenced-blocks-uuid))
(async/offer! imported-chan true)))))
(catch :default e
(notification/show! (str "Error happens when importing:\n" e) :error)
(async/offer! imported-chan true)))))
(defn tree-vec-translate-edn
"Actions to do for loading edn tree structure.
1) Removes namespace `:block/` from all levels of the `tree-vec`
2) Rename all :block/page-name to :title
3) Rename all :block/id to :uuid"
([tree-vec]
(let [kw-trans-fn #(-> %
str
(string/replace ":block/page-name" ":block/title")
(string/replace ":block/id" ":block/uuid")
(string/replace ":block/" "")
keyword)
map-trans-fn (fn [acc k v]
(assoc acc (kw-trans-fn k) v))
tree-trans-fn (fn [form]
(if (and (map? form)
(:block/id form))
(reduce-kv map-trans-fn {} form)
form))]
(walk/postwalk tree-trans-fn tree-vec))))
(defn import-from-edn!
[raw finished-ok-handler]
(try
(let [data (edn/read-string raw)]
(async/go
(async/<! (import-from-tree! data tree-vec-translate-edn))
(finished-ok-handler nil)))
(catch :default e
(js/console.error e)
(notification/show!
(str (.-message e))
:error)))) ;; it was designed to accept a list of imported page names but now deprecated
(defn tree-vec-translate-json
"Actions to do for loading json tree structure.
1) Rename all :id to :uuid
2) Rename all :page-name to :title
3) Rename all :format \"markdown\" to :format `:markdown`"
([tree-vec]
(let [kw-trans-fn #(-> %
str
(string/replace ":page-name" ":title")
(string/replace ":id" ":uuid")
(string/replace #"^:" "")
keyword)
map-trans-fn (fn [acc k v]
(cond (= :format k)
(assoc acc (kw-trans-fn k) (keyword v))
(= :id k)
(assoc acc (kw-trans-fn k) (uuid v))
:else
(assoc acc (kw-trans-fn k) v)))
tree-trans-fn (fn [form]
(if (and (map? form)
(:id form))
(reduce-kv map-trans-fn {} form)
form))]
(walk/postwalk tree-trans-fn tree-vec))))
(defn import-from-json!
[raw finished-ok-handler]
(let [json (js/JSON.parse raw)
clj-data (js->clj json :keywordize-keys true)]
(async/go
(async/<! (import-from-tree! clj-data tree-vec-translate-json))
(finished-ok-handler nil)))) ;; it was designed to accept a list of imported page names but now deprecated