fix: Move file upload logic into hook

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

src/components/editor-page/editor-pane/hooks/code-mirror-extensions/use-code-mirror-file-insert-extension.ts

@@ -7,7 +7,7 @@
 import { useMemo } from 'react'
 import { EditorView } from '@codemirror/view'
 import type { Extension } from '@codemirror/state'
-import { handleUpload } from '../use-handle-upload'
+import { useHandleUpload } from '../use-handle-upload'
 import { Optional } from '@mrdrogdrog/optional'
 
 const calculateCursorPositionInEditor = (view: EditorView, event: MouseEvent): number => {
@@ -32,6 +32,8 @@ const extractFirstFile = (fileList?: FileList): Optional<File> => {
  * @return the code mirror callback
  */
 export const useCodeMirrorFileInsertExtension = (): Extension => {
+  const handleUpload = useHandleUpload()
+
   return useMemo(() => {
     return EditorView.domEventHandlers({
       drop: (event, view) => {
@@ -47,5 +49,5 @@ export const useCodeMirrorFileInsertExtension = (): Extension => {
         })
       }
     })
-  }, [])
+  }, [handleUpload])
 }

src/components/editor-page/editor-pane/hooks/image-upload-from-renderer/use-on-image-upload-from-renderer.ts

@@ -14,6 +14,7 @@ import { findRegexMatchInText } from './find-regex-match-in-text'
 import { Optional } from '@mrdrogdrog/optional'
 import { useHandleUpload } from '../use-handle-upload'
 import type { CursorSelection } from '../../tool-bar/formatters/types/cursor-selection'
+import { useCodeMirrorReference } from '../../../change-content-context/change-content-context'
 
 const log = new Logger('useOnImageUpload')
 const imageWithPlaceholderLinkRegex = /!\[([^\]]*)]\(https:\/\/([^)]*)\)/g
@@ -22,12 +23,17 @@ const imageWithPlaceholderLinkRegex = /!\[([^\]]*)]\(https:\/\/([^)]*)\)/g
  * Receives {@link CommunicationMessageType.IMAGE_UPLOAD image upload events} via iframe communication and processes the attached uploads.
  */
 export const useOnImageUploadFromRenderer = (): void => {
+  const codeMirrorReference = useCodeMirrorReference()
   const handleUpload = useHandleUpload()
 
   useEditorReceiveHandler(
     CommunicationMessageType.IMAGE_UPLOAD,
     useCallback(
       (values: ImageUploadMessage) => {
+        if (codeMirrorReference === undefined) {
+          log.error("Can't upload image without codemirror reference")
+          return
+        }
         const { dataUri, fileName, lineIndex, placeholderIndexInLine } = values
         if (!dataUri.startsWith('data:image/')) {
           log.error('Received uri is no data uri and image!')
@@ -44,11 +50,11 @@ export const useOnImageUploadFromRenderer = (): void => {
                 return findPlaceholderInMarkdownContent(actualLineIndex + lineOffset, placeholderIndexInLine)
               })
               .orElse({} as ExtractResult)
-            handleUpload(file, cursorSelection, alt, title)
+            handleUpload(codeMirrorReference, file, cursorSelection, alt, title)
           })
           .catch((error) => log.error(error))
       },
-      [handleUpload]
+      [codeMirrorReference, handleUpload]
     )
   )
 }

src/components/editor-page/editor-pane/hooks/use-handle-upload.tsx

@@ -8,7 +8,6 @@ import { uploadFile } from '../../../../api/media'
 import { getGlobalState } from '../../../../redux'
 import { supportedMimeTypes } from '../../../common/upload-image-mimetypes'
 import { t } from 'i18next'
-import { showErrorNotification } from '../../../../redux/ui-notifications/methods'
 import { useCallback } from 'react'
 import { changeEditorContent } from '../../change-content-context/use-change-editor-content-callback'
 import { replaceSelection } from '../tool-bar/formatters/replace-selection'
@@ -16,24 +15,28 @@ import { replaceInContent } from '../tool-bar/formatters/replace-in-content'
 import type { CursorSelection } from '../tool-bar/formatters/types/cursor-selection'
 import type { EditorView } from '@codemirror/view'
 import type { ContentFormatter } from '../../change-content-context/change-content-context'
-import { useCodeMirrorReference } from '../../change-content-context/change-content-context'
+import { showErrorNotification } from '../../../../redux/ui-notifications/methods'
 
 /**
- * Processes the upload of the given file and inserts the correct Markdown code.
- *
  * @param view the codemirror instance that is used to insert the Markdown code
  * @param file The file to upload
  * @param cursorSelection The position where the progress message should be placed
  * @param description The text that should be used in the description part of the resulting image tag
  * @param additionalUrlText Additional text that should be inserted behind the link but within the tag
  */
-export const handleUpload = (
+type handleUploadSignature = (
   view: EditorView,
   file: File,
   cursorSelection?: CursorSelection,
   description?: string,
   additionalUrlText?: string
-): void => {
+) => void
+
+/**
+ * Provides a callback that uploads a given file and inserts the correct Markdown code into the current editor.
+ */
+export const useHandleUpload = (): handleUploadSignature => {
+  return useCallback((view, file, cursorSelection, description, additionalUrlText) => {
     const changeContent = (callback: ContentFormatter) => changeEditorContent(view, callback)
     if (!file || !supportedMimeTypes.includes(file.type) || !changeContent) {
       return
@@ -64,26 +67,5 @@ export const handleUpload = (
           undefined
         ])
       })
-}
-
-/**
- * Provides a callback that uploads the given file and writes the progress into the given editor at the given cursor positions.
- *
- * @return The generated callback
- */
-export const useHandleUpload = (): ((
-  file: File,
-  cursorSelection?: CursorSelection,
-  description?: string,
-  additionalUrlText?: string
-) => void) => {
-  const codeMirrorReference = useCodeMirrorReference()
-  return useCallback(
-    (file: File, cursorSelection?: CursorSelection, description?: string, additionalUrlText?: string): void => {
-      if (codeMirrorReference) {
-        handleUpload(codeMirrorReference, file, cursorSelection, description, additionalUrlText)
-      }
-    },
-    [codeMirrorReference]
-  )
+  }, [])
 }

src/components/editor-page/editor-pane/tool-bar/upload-image-button/upload-image-button.tsx

@@ -16,6 +16,9 @@ import { ShowIf } from '../../../../common/show-if/show-if'
 import { useCodeMirrorReference } from '../../../change-content-context/change-content-context'
 import { extractSelectedText } from './extract-selected-text'
 import { Optional } from '@mrdrogdrog/optional'
+import { Logger } from '../../../../../utils/logger'
+
+const logger = new Logger('Upload image button')
 
 /**
  * Shows a button that uploads a chosen file to the backend and adds the link to the note.
@@ -27,15 +30,19 @@ export const UploadImageButton: React.FC = () => {
     clickRef.current?.()
   }, [])
 
-  const handleUpload = useHandleUpload()
   const codeMirror = useCodeMirrorReference()
+  const handleUpload = useHandleUpload()
 
   const onUploadImage = useCallback(
     (file: File) => {
+      if (codeMirror === undefined) {
+        logger.error("can't upload image without codemirror reference")
+        return
+      }
       const description = Optional.ofNullable(codeMirror?.state)
         .map((state) => extractSelectedText(state))
         .orElse(undefined)
-      handleUpload(file, undefined, description)
+      handleUpload(codeMirror, file, undefined, description)
     },
     [codeMirror, handleUpload]
   )