Files
logseq/src/main/frontend/handler/whiteboard.cljs
Konstantinos Kaloutas 80511d3bed revert unneeded change
2023-05-12 19:23:58 +08:00

452 lines
19 KiB
Clojure

(ns frontend.handler.whiteboard
"Whiteboard related handlers"
(:require [datascript.core :as d]
[dommy.core :as dom]
[frontend.db :as db]
[frontend.db.model :as model]
[frontend.db.utils :as db-utils]
[frontend.handler.editor :as editor-handler]
[frontend.handler.route :as route-handler]
[frontend.modules.editor.undo-redo :as history]
[frontend.modules.outliner.core :as outliner]
[frontend.modules.outliner.file :as outliner-file]
[frontend.state :as state]
[frontend.config :as config]
[frontend.storage :as storage]
[frontend.util :as util]
[logseq.graph-parser.util :as gp-util]
[logseq.graph-parser.whiteboard :as gp-whiteboard]
[promesa.core :as p]
[goog.object :as gobj]
[clojure.set :as set]
[clojure.string :as string]
[cljs-bean.core :as bean]))
(defn js->clj-keywordize
[obj]
(js->clj obj :keywordize-keys true))
(defn shape->block [shape page-name]
(let [properties {:ls-type :whiteboard-shape
:logseq.tldraw.shape shape}
block {:block/page {:block/name (util/page-name-sanity-lc page-name)}
:block/parent {:block/name page-name}
:block/properties properties}
additional-props (gp-whiteboard/with-whiteboard-block-props block page-name)]
(merge block additional-props)))
(defn- get-whiteboard-clj [page-name]
(when (model/page-exists? page-name)
(let [page-block (model/get-page page-name)
;; fixme: can we use cache?
blocks (model/get-page-blocks-no-cache page-name)]
[page-block blocks])))
(defn- build-shapes
[page-block blocks]
(let [shapes-index (get-in page-block [:block/properties :logseq.tldraw.page :shapes-index])
shape-id->index (zipmap shapes-index (range 0 (count shapes-index)))]
(->> blocks
(map (fn [block]
(assoc block :index (get shape-id->index (str (:block/uuid block)) 0))))
(filter gp-whiteboard/shape-block?)
(map gp-whiteboard/block->shape)
(sort-by :index))))
(defn- whiteboard-clj->tldr [page-block blocks]
(let [id (str (:block/uuid page-block))
shapes (build-shapes page-block blocks)
tldr-page (gp-whiteboard/page-block->tldr-page page-block)
assets (:assets tldr-page)
tldr-page (dissoc tldr-page :assets)]
(clj->js {:currentPageId id
:assets (or assets #js[])
:selectedIds #js[]
:pages [(merge tldr-page
{:id id
:name (:block/name page-block)
:shapes shapes})]})))
(defn build-page-block
[page-name tldraw-page assets shapes-index]
(let [page-entity (model/get-page page-name)
get-k #(gobj/get tldraw-page %)]
{:block/name page-name
:block/type "whiteboard"
:block/properties {:ls-type :whiteboard-page
:logseq.tldraw.page {:id (get-k "id")
:name (get-k "name")
:bindings (js->clj-keywordize (get-k "bindings"))
:nonce (get-k "nonce")
:assets (js->clj-keywordize assets)
:shapes-index shapes-index}}
:block/updated-at (util/time-ms)
:block/created-at (or (:block/created-at page-entity)
(util/time-ms))}))
(defn- compute-tx
[^js app ^js tl-page new-id-nonces db-id-nonces page-name replace?]
(let [assets (js->clj-keywordize (.getCleanUpAssets app))
new-shapes (.-shapes tl-page)
shapes-index (map #(gobj/get % "id") new-shapes)
shape-id->index (zipmap shapes-index (range (.-length new-shapes)))
upsert-shapes (->> (set/difference new-id-nonces db-id-nonces)
(map (fn [{:keys [id]}]
(-> (.-serialized ^js (.getShapeById tl-page id))
js->clj-keywordize
(assoc :index (get shape-id->index id)))))
(set))
old-ids (set (map :id db-id-nonces))
new-ids (set (map :id new-id-nonces))
created-ids (->> (set/difference new-ids old-ids)
(remove string/blank?)
(set))
created-shapes (set (filter #(created-ids (:id %)) upsert-shapes))
deleted-ids (->> (set/difference old-ids new-ids)
(remove string/blank?))
repo (state/get-current-repo)
deleted-shapes (when (seq deleted-ids)
(->> (db/pull-many repo '[*] (mapv (fn [id] [:block/uuid (uuid id)]) deleted-ids))
(map (fn [b]
(get-in b [:block/properties :logseq.tldraw.shape])))))
deleted-shapes-tx (mapv (fn [id] [:db/retractEntity [:block/uuid (uuid id)]]) deleted-ids)
with-timestamps (fn [block]
(if (contains? created-ids (str (:block/uuid block)))
(assoc block :block/updated-at (util/time-ms))
(outliner/block-with-timestamps block)))
changed-shapes (set/difference upsert-shapes created-shapes)
prev-changed-blocks (when (seq changed-shapes)
(db/pull-many repo '[*] (mapv (fn [shape]
[:block/uuid (uuid (:id shape))]) changed-shapes)))]
{:page-block (build-page-block page-name tl-page assets shapes-index)
:upserted-blocks (->> upsert-shapes
(map #(shape->block % page-name))
(map with-timestamps))
:delete-blocks deleted-shapes-tx
:metadata {:whiteboard/transact? (not replace?)
:replace? replace?
:data {:page-name page-name
:deleted-shapes deleted-shapes
:new-shapes created-shapes
:changed-shapes changed-shapes
:prev-changed-blocks prev-changed-blocks}}}))
(defonce *last-shapes-nonce (atom {}))
(defn transact-tldr-delta! [page-name ^js app replace?]
(let [tl-page ^js (second (first (.-pages app)))
shapes (.-shapes ^js tl-page)
page-block (model/get-page page-name)
prev-shapes-index (get-in page-block [:block/properties :logseq.tldraw.page :shapes-index])
shape-id->prev-index (zipmap prev-shapes-index (range (count prev-shapes-index)))
new-id-nonces (set (map-indexed (fn [idx shape]
(let [id (.-id shape)]
{:id id
:nonce (if (= idx (get shape-id->prev-index id))
(.-nonce shape)
(js/Date.now))})) shapes))
repo (state/get-current-repo)
db-id-nonces (or
(get-in @*last-shapes-nonce [repo page-name])
(set (->> (model/get-whiteboard-id-nonces repo page-name)
(map #(update % :id str)))))
{:keys [page-block upserted-blocks delete-blocks metadata]}
(compute-tx app tl-page new-id-nonces db-id-nonces page-name replace?)
tx-data (concat delete-blocks [page-block] upserted-blocks)
new-shapes (get-in metadata [:data :new-shapes])
metadata' (cond
;; group
(some #(= "group" (:type %)) new-shapes)
(assoc metadata :whiteboard/op :group)
;; ungroup
(some #(= "group" (:type %)) (get-in metadata [:data :deleted-shapes]))
(assoc metadata :whiteboard/op :un-group)
;; arrow
(some #(and (= "line" (:type %))
(= "arrow " (:end (:decorations %)))) new-shapes)
(assoc metadata :whiteboard/op :new-arrow)
:else
metadata)
metadata' (if (seq (concat upserted-blocks delete-blocks))
metadata'
(assoc metadata :undo? true))]
(swap! *last-shapes-nonce assoc-in [repo page-name] new-id-nonces)
(if (contains? #{:new-arrow} (:whiteboard/op metadata'))
(state/set-state! :whiteboard/pending-tx-data
{:tx-data tx-data
:metadata metadata'})
(let [pending-tx-data (:whiteboard/pending-tx-data @state/state)
tx-data' (concat (:tx-data pending-tx-data) tx-data)
metadata'' (merge metadata' (:metadata pending-tx-data))]
(state/set-state! :whiteboard/pending-tx-data {})
(db-utils/transact! repo tx-data' metadata'')))))
(defn get-default-new-whiteboard-tx
[page-name id]
[#:block{:name (util/page-name-sanity-lc page-name),
:type "whiteboard",
:properties
{:ls-type :whiteboard-page,
:logseq.tldraw.page
{:id id,
:name page-name,
:ls-type :whiteboard-page,
:bindings {},
:nonce 1,
:assets []}},
:updated-at (util/time-ms),
:created-at (util/time-ms)}])
(defn get-whiteboard-entity [page-name]
(db-utils/entity [:block/name (util/page-name-sanity-lc page-name)]))
(defn create-new-whiteboard-page!
([]
(create-new-whiteboard-page! nil))
([name]
(let [uuid (or (and name (parse-uuid name)) (d/squuid))
name (or name (str uuid))]
(db/transact! (get-default-new-whiteboard-tx name (str uuid)))
(let [entity (get-whiteboard-entity name)
tx (assoc (select-keys entity [:db/id])
:block/uuid uuid)]
(db-utils/transact! [tx])
(let [page-entity (get-whiteboard-entity name)]
(when (and page-entity (nil? (:block/file page-entity)))
(outliner-file/sync-to-file page-entity)))))))
(defn create-new-whiteboard-and-redirect!
([]
(create-new-whiteboard-and-redirect! (str (d/squuid))))
([name]
(when-not config/publishing?
(create-new-whiteboard-page! name)
(route-handler/redirect-to-whiteboard! name))))
(defn ->logseq-portal-shape
[block-id point]
{:blockType (if (parse-uuid (str block-id)) "B" "P")
:id (str (d/squuid))
:compact false
:pageId (str block-id)
:point point
:size [400, 0]
:type "logseq-portal"})
(defn add-new-block-portal-shape!
"Given the block uuid, add a new shape to the referenced block.
By default it will be placed next to the given shape id"
[block-uuid source-shape & {:keys [link? bottom?]}]
(when-let [app (state/active-tldraw-app)]
(let [^js api (.-api app)
point (-> (.getShapeById app source-shape)
(.-bounds)
((fn [bounds] (if bottom?
[(.-minX bounds) (+ 64 (.-maxY bounds))]
[(+ 64 (.-maxX bounds)) (.-minY bounds)]))))
shape (->logseq-portal-shape block-uuid point)]
(when (uuid? block-uuid) (editor-handler/set-blocks-id! [block-uuid]))
(.createShapes api (clj->js shape))
(when link?
(.createNewLineBinding api source-shape (:id shape))))))
(defn page-name->tldr!
([page-name]
(clj->js
(if page-name
(if-let [[page-block blocks] (get-whiteboard-clj page-name)]
(whiteboard-clj->tldr page-block blocks)
(create-new-whiteboard-page! page-name))
(create-new-whiteboard-page! nil)))))
(defn- get-whiteboard-blocks
"Given a page, return all the logseq blocks (exclude all shapes)"
[page-name]
(let [blocks (model/get-page-blocks-no-cache page-name)]
(remove gp-whiteboard/shape-block? blocks)))
(defn- get-last-root-block
"Get the last root Logseq block in the page. Main purpose is to calculate the new :block/left id"
[page-name]
(let [page-id (:db/id (model/get-page page-name))
blocks (get-whiteboard-blocks page-name)
root-blocks (filter (fn [block] (= page-id (:db/id (:block/parent block)))) blocks)
root-block-left-ids (->> root-blocks
(map (fn [block] (get-in block [:block/left :db/id] nil)))
(remove nil?)
(set))
blocks-with-no-next (remove #(root-block-left-ids (:db/id %)) root-blocks)]
(when (seq blocks-with-no-next) (first blocks-with-no-next))))
(defn add-new-block!
[page-name content]
(let [uuid (d/squuid)
page-entity (model/get-page page-name)
last-root-block (or (get-last-root-block page-name) page-entity)
tx {:block/left (select-keys last-root-block [:db/id])
:block/uuid uuid
:block/content (or content "")
:block/format :markdown ;; fixme to support org?
:block/page {:block/name (util/page-name-sanity-lc page-name)
:block/original-name page-name}
:block/parent {:block/name page-name}}]
(db-utils/transact! [tx])
uuid))
(defn inside-portal?
[target]
(some? (dom/closest target ".tl-logseq-cp-container")))
(defn closest-shape
[target]
(when-let [shape-el (dom/closest target "[data-shape-id]")]
(.getAttribute shape-el "data-shape-id")))
(defn get-onboard-whiteboard-edn
[]
(p/let [^js res (js/fetch "./whiteboard/onboarding.edn") ;; do we need to cache it?
text (.text res)
edn (gp-util/safe-read-string text)]
edn))
(defn clone-whiteboard-from-edn
"Given a tldr, clone the whiteboard page into current active whiteboard"
([edn]
(when-let [app (state/active-tldraw-app)]
(clone-whiteboard-from-edn edn (.-api app))))
([{:keys [pages blocks]} api]
(let [page-block (first pages)
;; FIXME: should also clone normal blocks
shapes (build-shapes page-block blocks)
tldr-page (gp-whiteboard/page-block->tldr-page page-block)
assets (:assets tldr-page)
bindings (:bindings tldr-page)]
(.cloneShapesIntoCurrentPage ^js api (clj->js {:shapes shapes
:assets assets
:bindings bindings})))))
(defn should-populate-onboarding-whiteboard?
"When there is not whiteboard, or there is only whiteboard that is the given page name, we should populate the onboarding whiteboard"
[page-name]
(let [whiteboards (model/get-all-whiteboards (state/get-current-repo))]
(and (or (empty? whiteboards)
(and
(= 1 (count whiteboards))
(= page-name (:block/name (first whiteboards)))))
(not (state/get-onboarding-whiteboard?)))))
(defn populate-onboarding-whiteboard
[api]
(when (some? api)
(-> (p/let [edn (get-onboard-whiteboard-edn)]
(clone-whiteboard-from-edn edn api)
(state/set-onboarding-whiteboard! true))
(p/catch
(fn [e] (js/console.warn "Failed to populate onboarding whiteboard" e))))))
(defn- delete-shapes!
[^js api shapes]
(apply (.-deleteShapes api) (map :id shapes)))
(defn- create-shapes!
[^js api shapes]
(apply (.-createShapes api) (bean/->js shapes)))
(defn- update-shapes!
[^js api shapes]
(apply (.-updateShapes api) (bean/->js shapes)))
(defn- select-shapes
[^js api ids]
(apply (.-selectShapes api) ids))
(defn update-bindings!
[^js tl-page page-name]
(when-let [page (db/entity [:block/name page-name])]
(let [bindings (get-in page [:block/properties :logseq.tldraw.page :bindings])]
(when (seq bindings)
(.updateBindings tl-page (bean/->js bindings))))))
(defn update-shapes-index!
[^js tl-page page-name]
(when-let [page (db/entity [:block/name page-name])]
(let [shapes-index (get-in page [:block/properties :logseq.tldraw.page :shapes-index])]
(when (seq shapes-index)
(.updateShapesIndex tl-page (bean/->js shapes-index))))))
(defn undo!
[{:keys [tx-meta]}]
(history/pause-listener!)
(try
(when-let [app (state/active-tldraw-app)]
(let [{:keys [page-name deleted-shapes new-shapes changed-shapes prev-changed-blocks]} (:data tx-meta)
whiteboard-op (:whiteboard/op tx-meta)
^js api (.-api app)
tl-page ^js (second (first (.-pages app)))]
(when api
(update-bindings! tl-page page-name)
(update-shapes-index! tl-page page-name)
(case whiteboard-op
:group
(do
(select-shapes api (map :id new-shapes))
(.unGroup api))
:un-group
(do
(select-shapes api (mapcat :children deleted-shapes))
(.doGroup api))
(do
(when (seq deleted-shapes)
(create-shapes! api deleted-shapes))
(when (seq new-shapes)
(delete-shapes! api new-shapes))
(when (seq changed-shapes)
(let [prev-shapes (map (fn [b] (get-in b [:block/properties :logseq.tldraw.shape]))
prev-changed-blocks)]
(update-shapes! api prev-shapes))))))))
(catch :default e
(js/console.error e)))
(history/resume-listener!))
(defn redo!
[{:keys [tx-meta]}]
(history/pause-listener!)
(try
(when-let [app (state/active-tldraw-app)]
(let [{:keys [page-name deleted-shapes new-shapes changed-shapes]} (:data tx-meta)
whiteboard-op (:whiteboard/op tx-meta)
^js api (.-api app)
tl-page ^js (second (first (.-pages app)))]
(when api
(update-bindings! tl-page page-name)
(update-shapes-index! tl-page page-name)
(case whiteboard-op
:group
(do
(select-shapes api (mapcat :children new-shapes))
(.doGroup api))
:un-group
(do
(select-shapes api (map :id deleted-shapes))
(.unGroup api))
(do
(when (seq deleted-shapes)
(delete-shapes! api deleted-shapes))
(when (seq new-shapes)
(create-shapes! api new-shapes))
(when (seq changed-shapes)
(update-shapes! api changed-shapes)))))))
(catch :default e
(js/console.error e)))
(history/resume-listener!))
(defn onboarding-show
[]
(when (not (or (state/sub :whiteboard/onboarding-tour?)
(config/demo-graph?)
(util/mobile?)))
(state/pub-event! [:whiteboard/onboarding])
(state/set-state! [:whiteboard/onboarding-tour?] true)
(storage/set :whiteboard-onboarding-tour? true)))