From e8b5a93a7eac64f685cbca818ab4c46ba7122f36 Mon Sep 17 00:00:00 2001
From: Tienson Qin <tiensonqin@gmail.com>
Date: Thu, 28 Dec 2023 23:24:22 +0800
Subject: [PATCH] Code clean

---
 src/main/frontend/modules/file/core.cljs | 104 ++---------------------
 1 file changed, 7 insertions(+), 97 deletions(-)

diff --git a/src/main/frontend/modules/file/core.cljs b/src/main/frontend/modules/file/core.cljs
index 6f7a8b00e7..a716122d22 100644
--- a/src/main/frontend/modules/file/core.cljs
+++ b/src/main/frontend/modules/file/core.cljs
@@ -1,104 +1,14 @@
 (ns frontend.modules.file.core
   "Convert block trees to content"
-  (:require [clojure.string :as string]
-            [frontend.db :as db]
+  (:require [frontend.worker.file.core :as worker-file]
             [frontend.state :as state]
-            [frontend.handler.file-based.property.util :as property-util]))
+            [frontend.db :as db]))
 
-(defn- indented-block-content
-  [content spaces-tabs]
-  (let [lines (string/split-lines content)]
-    (string/join (str "\n" spaces-tabs) lines)))
-
-(defn- content-with-collapsed-state
-  "Only accept nake content (without any indentation)"
-  [_repo format content collapsed?]
-  (cond
-    collapsed?
-    (property-util/insert-property format content :collapsed true)
-
-    ;; Don't check properties. Collapsed is an internal state log as property in file, but not counted into properties
-    (false? collapsed?)
-    (property-util/remove-property format :collapsed content)
-
-    :else
-    content))
-
-(defn transform-content
-  [{:block/keys [collapsed? format pre-block? content left page parent properties] :as b} level {:keys [heading-to-list?]}]
-  (let [repo (state/get-current-repo)
-        block-ref-not-saved? (and (seq (:block/_refs (db/entity (:db/id b))))
-                                  (not (string/includes? content (str (:block/uuid b)))))
-        heading (:heading properties)
-        markdown? (= :markdown format)
-        content (or content "")
-        pre-block? (or pre-block?
-                       (and (= page parent left) ; first block
-                            markdown?
-                            (string/includes? (first (string/split-lines content)) ":: ")))
-        content (cond
-                  pre-block?
-                  (let [content (string/trim content)]
-                    (str content "\n"))
-
-                  :else
-                  (let [
-                        ;; first block is a heading, Markdown users prefer to remove the `-` before the content
-                        markdown-top-heading? (and markdown?
-                                                   (= parent page left)
-                                                   heading)
-                        [prefix spaces-tabs]
-                        (cond
-                          (= format :org)
-                          [(->>
-                            (repeat level "*")
-                            (apply str)) ""]
-
-                          markdown-top-heading?
-                          ["" ""]
-
-                          :else
-                          (let [level (if (and heading-to-list? heading)
-                                        (if (> heading 1)
-                                          (dec heading)
-                                          heading)
-                                        level)
-                                spaces-tabs (->>
-                                             (repeat (dec level) (state/get-export-bullet-indentation))
-                                             (apply str))]
-                            [(str spaces-tabs "-") (str spaces-tabs "  ")]))
-                        content (if heading-to-list?
-                                  (-> (string/replace content #"^\s?#+\s+" "")
-                                      (string/replace #"^\s?#+\s?$" ""))
-                                  content)
-                        content (content-with-collapsed-state repo format content collapsed?)
-                        new-content (indented-block-content (string/trim content) spaces-tabs)
-                        sep (if (or markdown-top-heading?
-                                    (string/blank? new-content))
-                              ""
-                              " ")]
-                    (str prefix sep new-content)))
-        content (if block-ref-not-saved?
-                  (property-util/insert-property format content :id (str (:block/uuid b)))
-                  content)]
-    content))
-
-
-(defn- tree->file-content-aux
-  [tree {:keys [init-level] :as opts}]
-  (let [block-contents (transient [])]
-    (loop [[f & r] tree level init-level]
-      (if (nil? f)
-        (->> block-contents persistent! flatten (remove nil?))
-        (let [page? (nil? (:block/page f))
-              content (if page? nil (transform-content f level opts))
-              new-content
-              (if-let [children (seq (:block/children f))]
-                     (cons content (tree->file-content-aux children {:init-level (inc level)}))
-                     [content])]
-          (conj! block-contents new-content)
-          (recur r level))))))
+;; TODO: remove this file and move export related code to worker
 
 (defn tree->file-content
   [tree opts]
-  (->> (tree->file-content-aux tree opts) (string/join "\n")))
+  (when-let [repo (state/get-current-repo)]
+    (let [db (db/get-db repo)
+          context {:export-bullet-indentation (state/get-export-bullet-indentation)}]
+      (worker-file/tree->file-content repo db tree opts context))))