Feat: FileManager (#98) (#703)

* feat: add file manager module

- Complete file manager implementation with UI/UX
- Add drive management functionality
- Add file upload/download with progress tracking
- Add stamp integration and handling
- Add bulk operations and context menus

Co-authored-by: Roland Seres <roland.seres90@gmail.com>
Co-authored-by: nidishk <nidishkrishnan45@gmail.com>

src/modules/filemanager/hooks/useBulkActions.ts

@@ -0,0 +1,137 @@
+import { useCallback, useMemo, useRef, useState, useContext } from 'react'
+import type { FileInfo } from '@solarpunkltd/file-manager-lib'
+import { Context as FMContext } from '../../../providers/FileManager'
+import { startDownloadingQueue } from '../utils/download'
+import { formatBytes, getFileId } from '../utils/common'
+import { DownloadProgress, TrackDownloadProps } from '../constants/transfers'
+
+export function useBulkActions(opts: {
+  listToRender: FileInfo[]
+  trackDownload: (props: TrackDownloadProps) => (dp: DownloadProgress) => void
+}) {
+  const { listToRender, trackDownload } = opts
+
+  const { fm } = useContext(FMContext)
+
+  const [selectedIds, setSelectedIds] = useState<Set<string>>(new Set())
+  const allIds = useMemo(() => listToRender.map(getFileId), [listToRender])
+  const selectedCount = useMemo(() => allIds.filter(id => selectedIds.has(id)).length, [allIds, selectedIds])
+  const allChecked = useMemo(() => allIds.length > 0 && selectedCount === allIds.length, [allIds.length, selectedCount])
+  const someChecked = useMemo(() => selectedCount > 0 && !allChecked, [selectedCount, allChecked])
+  const fileInputRef = useRef<HTMLInputElement | null>(null)
+
+  const selectedFiles = useMemo(
+    () => listToRender.filter(fi => selectedIds.has(getFileId(fi))),
+    [listToRender, selectedIds],
+  )
+
+  const toggleOne = useCallback((fi: FileInfo, checked: boolean) => {
+    const id = getFileId(fi)
+    setSelectedIds(prev => {
+      const next = new Set(prev)
+
+      if (checked) {
+        next.add(id)
+      } else {
+        next.delete(id)
+      }
+
+      return next
+    })
+  }, [])
+
+  const selectAll = useCallback(() => setSelectedIds(new Set(allIds)), [allIds])
+  const clearAll = useCallback(() => setSelectedIds(new Set()), [])
+
+  const bulkUploadFromPicker = useCallback(() => {
+    fileInputRef.current?.click()
+  }, [])
+
+  const bulkDownload = useCallback(
+    async (list: FileInfo[]) => {
+      if (!fm || !list?.length) return
+
+      const trackers: Array<(progress: DownloadProgress) => void> = []
+      for (const fi of list) {
+        const rawSize = fi.customMetadata?.size as string | number | undefined
+        const prettySize = formatBytes(rawSize)
+        const expected = rawSize ? Number(rawSize) : undefined
+        const tracker = trackDownload({ name: fi.name, size: prettySize, expectedSize: expected })
+        trackers.push(tracker)
+      }
+
+      await startDownloadingQueue(fm, list, trackers)
+    },
+    [fm, trackDownload],
+  )
+
+  const bulkTrash = useCallback(
+    async (list: FileInfo[]) => {
+      if (!fm || !list?.length) return
+
+      await Promise.allSettled(list.map(f => fm.trashFile(f)))
+
+      clearAll()
+    },
+    [fm, clearAll],
+  )
+
+  const bulkRestore = useCallback(
+    async (list: FileInfo[]) => {
+      if (!fm || !list?.length) return
+
+      await Promise.allSettled(list.map(f => fm.recoverFile(f)))
+      clearAll()
+    },
+    [fm, clearAll],
+  )
+
+  const bulkForget = useCallback(
+    async (list: FileInfo[]) => {
+      if (!fm || !list?.length) return
+
+      await Promise.allSettled(list.map(f => fm.forgetFile(f)))
+
+      clearAll()
+    },
+    [fm, clearAll],
+  )
+
+  return useMemo(
+    () => ({
+      // selection
+      selectedIds,
+      setSelectedIds,
+      selectedFiles,
+      selectedCount,
+      allChecked,
+      someChecked,
+      toggleOne,
+      selectAll,
+      clearAll,
+      // file input (for bulk upload)
+      fileInputRef,
+      bulkUploadFromPicker,
+      // actions
+      bulkDownload,
+      bulkTrash,
+      bulkRestore,
+      bulkForget,
+    }),
+    [
+      selectedIds,
+      selectedFiles,
+      selectedCount,
+      allChecked,
+      someChecked,
+      toggleOne,
+      selectAll,
+      clearAll,
+      bulkUploadFromPicker,
+      bulkDownload,
+      bulkTrash,
+      bulkRestore,
+      bulkForget,
+    ],
+  )
+}