Merge pull request #51 from marcopeocchi/50-request-for-download-link-and-option-to-delete-downloadded-video

50 request for download link and option to delete downloadded video

.gitignore

@@ -15,3 +15,4 @@ downloads
 .DS_Store
 build/
 yt-dlp-webui
+session.dat

frontend/src/App.tsx

@@ -2,7 +2,6 @@ import { ThemeProvider } from '@emotion/react'
 
 import ChevronLeft from '@mui/icons-material/ChevronLeft'
 import Dashboard from '@mui/icons-material/Dashboard'
-import FormatListBulleted from '@mui/icons-material/FormatListBulleted'
 import Menu from '@mui/icons-material/Menu'
 import SettingsIcon from '@mui/icons-material/Settings'
 import SettingsEthernet from '@mui/icons-material/SettingsEthernet'
@@ -15,24 +14,25 @@ import CssBaseline from '@mui/material/CssBaseline'
 import Divider from '@mui/material/Divider'
 import IconButton from '@mui/material/IconButton'
 import List from '@mui/material/List'
+import ListItemButton from '@mui/material/ListItemButton'
 import ListItemIcon from '@mui/material/ListItemIcon'
 import ListItemText from '@mui/material/ListItemText'
 import Toolbar from '@mui/material/Toolbar'
 import Typography from '@mui/material/Typography'
+import DownloadIcon from '@mui/icons-material/Download';
 
-import ListItemButton from '@mui/material/ListItemButton'
 import { grey } from '@mui/material/colors'
+
 import { Suspense, lazy, useMemo, useState } from 'react'
 import { Provider, useDispatch, useSelector } from 'react-redux'
-import {
-  Link, Route,
-  BrowserRouter as Router,
-  Routes
-} from 'react-router-dom'
+
+import { BrowserRouter, Link, Route, Routes } from 'react-router-dom'
+import { RootState, store } from './stores/store'
+
 import AppBar from './components/AppBar'
 import Drawer from './components/Drawer'
-import { toggleListView } from './features/settings/settingsSlice'
-import { RootState, store } from './stores/store'
+
+import Archive from './Archive'
 import { formatGiB } from './utils'
 
 function AppContent() {
@@ -40,7 +40,6 @@ function AppContent() {
 
   const settings = useSelector((state: RootState) => state.settings)
   const status = useSelector((state: RootState) => state.status)
-  const dispatch = useDispatch()
 
   const mode = settings.theme
   const theme = useMemo(() =>
@@ -63,7 +62,7 @@ function AppContent() {
 
   return (
     <ThemeProvider theme={theme}>
-      <Router>
+      <BrowserRouter>
         <Box sx={{ display: 'flex' }}>
           <CssBaseline />
           <AppBar position="absolute" open={open}>
@@ -139,12 +138,19 @@ function AppContent() {
                   <ListItemText primary="Home" />
                 </ListItemButton>
               </Link>
-              <ListItemButton onClick={() => dispatch(toggleListView())}>
+              <Link to={'/archive'} style={
+                {
+                  textDecoration: 'none',
+                  color: mode === 'dark' ? '#ffffff' : '#000000DE'
+                }
+              }>
+                <ListItemButton disabled={status.downloading}>
                   <ListItemIcon>
-                  <FormatListBulleted />
+                    <DownloadIcon />
                   </ListItemIcon>
-                <ListItemText primary="List view" />
+                  <ListItemText primary="Archive" />
                 </ListItemButton>
+              </Link>
               <Link to={'/settings'} style={
                 {
                   textDecoration: 'none',
@@ -180,10 +186,15 @@ function AppContent() {
                   <Settings />
                 </Suspense>
               } />
+              <Route path="/archive" element={
+                <Suspense fallback={<CircularProgress />}>
+                  <Archive />
+                </Suspense>
+              } />
             </Routes>
           </Box>
         </Box>
-      </Router>
+      </BrowserRouter>
     </ThemeProvider>
   )
 }

frontend/src/Archive.tsx

@@ -0,0 +1,169 @@
+import {
+  Backdrop,
+  Button,
+  Checkbox,
+  CircularProgress,
+  Container,
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogContentText,
+  DialogTitle,
+  List,
+  ListItem,
+  ListItemButton,
+  ListItemIcon,
+  ListItemText,
+  Paper,
+  SpeedDial,
+  SpeedDialAction,
+  SpeedDialIcon
+} from '@mui/material'
+
+import DeleteForeverIcon from '@mui/icons-material/DeleteForever'
+import VideoFileIcon from '@mui/icons-material/VideoFile'
+import { Buffer } from 'buffer'
+import { useEffect, useMemo, useState } from 'react'
+import { useSelector } from 'react-redux'
+import { BehaviorSubject, Subject, combineLatestWith, map, share } from 'rxjs'
+import { useObservable } from './hooks/observable'
+import { RootState } from './stores/store'
+import { DeleteRequest, DirectoryEntry } from './types'
+
+export default function Downloaded() {
+  const settings = useSelector((state: RootState) => state.settings)
+
+  const [openDialog, setOpenDialog] = useState(false)
+
+  const serverAddr =
+    `${window.location.protocol}//${settings.serverAddr}:${settings.serverPort}`
+
+  const files$ = useMemo(() => new Subject<DirectoryEntry[]>(), [])
+  const selected$ = useMemo(() => new BehaviorSubject<string[]>([]), [])
+
+  const fetcher = () => fetch(`${serverAddr}/downloaded`)
+    .then(res => res.json())
+    .then(data => files$.next(data))
+
+  const selectable$ = useMemo(() => files$.pipe(
+    combineLatestWith(selected$),
+    map(([data, selected]) => data.map(x => ({
+      ...x,
+      selected: selected.includes(x.name)
+    }))),
+    share()
+  ), [])
+
+  const selectable = useObservable(selectable$, [])
+
+  const addSelected = (name: string) => {
+    selected$.value.includes(name)
+      ? selected$.next(selected$.value.filter(val => val !== name))
+      : selected$.next([...selected$.value, name])
+  }
+
+  const deleteSelected = () => {
+    Promise.all(selectable
+      .filter(entry => entry.selected)
+      .map(entry => fetch(`${serverAddr}/delete`, {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({
+          path: entry.path,
+          shaSum: entry.shaSum,
+        } as DeleteRequest)
+      }))
+    ).then(fetcher)
+  }
+
+  useEffect(() => {
+    fetcher()
+  }, [settings.serverAddr, settings.serverPort])
+
+  return (
+    <Container maxWidth="lg" sx={{ mt: 4, mb: 4 }}>
+      <Backdrop
+        sx={{ color: '#fff', zIndex: (theme) => theme.zIndex.drawer + 1 }}
+        open={!(files$.observed)}
+      >
+        <CircularProgress color="primary" />
+      </Backdrop>
+      <Paper sx={{
+        p: 2,
+        display: 'flex',
+        flexDirection: 'column',
+      }}>
+        <List sx={{ width: '100%', bgcolor: 'background.paper' }}>
+          {selectable.length === 0 && 'No files found'}
+          {selectable.map((file) => (
+            <ListItem
+              key={file.shaSum}
+              secondaryAction={
+                <Checkbox
+                  edge="end"
+                  checked={file.selected}
+                  onChange={() => addSelected(file.name)}
+                />
+              }
+              disablePadding
+            >
+              <ListItemButton>
+                <ListItemIcon>
+                  <VideoFileIcon />
+                </ListItemIcon>
+                <ListItemText primary={file.name} onClick={() => window.open(
+                  `${serverAddr}/play?path=${Buffer.from(file.path).toString('hex')}`
+                )} />
+              </ListItemButton>
+            </ListItem>
+          ))}
+        </List>
+      </Paper>
+      <SpeedDial
+        ariaLabel="SpeedDial basic example"
+        sx={{ position: 'absolute', bottom: 32, right: 32 }}
+        icon={<SpeedDialIcon />}
+      >
+        <SpeedDialAction
+          icon={<DeleteForeverIcon />}
+          tooltipTitle={`Delete selected`}
+          tooltipOpen
+          onClick={() => {
+            if (selected$.value.length > 0) {
+              setOpenDialog(true)
+            }
+          }}
+        />
+      </SpeedDial>
+      <Dialog
+        open={openDialog}
+        onClose={() => setOpenDialog(false)}
+      >
+        <DialogTitle>
+          Are you sure?
+        </DialogTitle>
+        <DialogContent>
+          <DialogContentText id="alert-dialog-description">
+            You're deleting:
+          </DialogContentText>
+          <ul>
+            {selected$.value.map((entry, idx) => (
+              <li key={idx}>{entry}</li>
+            ))}
+          </ul>
+        </DialogContent>
+        <DialogActions>
+          <Button onClick={() => setOpenDialog(false)}>Cancel</Button>
+          <Button onClick={() => {
+            deleteSelected()
+            setOpenDialog(false)
+          }} autoFocus>
+            Ok
+          </Button>
+        </DialogActions>
+      </Dialog>
+    </Container>
+  )
+}

frontend/src/Home.tsx

@@ -1,4 +1,5 @@
 import { FileUpload } from '@mui/icons-material'
+import FormatListBulleted from '@mui/icons-material/FormatListBulleted'
 import {
   Alert,
   Backdrop,
@@ -14,6 +15,9 @@ import {
   Paper,
   Select,
   Snackbar,
+  SpeedDial,
+  SpeedDialAction,
+  SpeedDialIcon,
   styled,
   TextField
 } from '@mui/material'
@@ -26,6 +30,7 @@ import FormatsGrid from './components/FormatsGrid'
 import { CliArguments } from './features/core/argsParser'
 import I18nBuilder from './features/core/intl'
 import { RPCClient, socket$ } from './features/core/rpcClient'
+import { toggleListView } from './features/settings/settingsSlice'
 import { connected, setFreeSpace } from './features/status/statusSlice'
 import { RootState } from './stores/store'
 import type { DLMetadata, RPCResponse, RPCResult } from './types'
@@ -405,6 +410,18 @@ export default function Home() {
           {`${i18n.t('rpcConnErr')} (${settings.serverAddr}:${settings.serverPort})`}
         </Alert>
       </Snackbar>
+      <SpeedDial
+        ariaLabel="SpeedDial basic example"
+        sx={{ position: 'absolute', bottom: 32, right: 32 }}
+        icon={<SpeedDialIcon />}
+      >
+        <SpeedDialAction
+          icon={<FormatListBulleted />}
+          tooltipTitle={`Table view`}
+          tooltipOpen
+          onClick={() => dispatch(toggleListView())}
+        />
+      </SpeedDial>
     </Container>
   );
 }

frontend/src/components/DownloadsCardView.tsx

@@ -6,7 +6,7 @@ import { StackableResult } from "./StackableResult"
 
 type Props = {
   downloads: RPCResult[]
-  abortFunction: Function
+  abortFunction: (id: string) => void
 }
 
 export function DownloadsCardView({ downloads, abortFunction }: Props) {

frontend/src/components/StackableResult.tsx

@@ -1,4 +1,4 @@
-import { EightK, FourK, Hd, Sd } from "@mui/icons-material";
+import { EightK, FourK, Hd, Sd } from '@mui/icons-material'
 import {
   Button,
   Card,
@@ -11,9 +11,9 @@ import {
   Skeleton,
   Stack,
   Typography
-} from "@mui/material";
-import { useEffect, useState } from "react";
-import { ellipsis, formatSpeedMiB, roundMiB } from "../utils";
+} from '@mui/material'
+import { useEffect, useState } from 'react'
+import { ellipsis, formatSpeedMiB, roundMiB } from '../utils'
 
 type Props = {
   title: string,
@@ -97,7 +97,8 @@ export function StackableResult({
           variant="contained"
           size="small"
           color="primary"
-          onClick={stopCallback}>
+          onClick={stopCallback}
+        >
           {isCompleted ? "Clear" : "Stop"}
         </Button>
       </CardActions>

frontend/src/hooks/observable.ts

@@ -0,0 +1,44 @@
+import { useEffect, useState } from 'react'
+import { Observable } from 'rxjs'
+
+/**
+ * Handles the subscription and unsubscription from an observable.
+ * Automatically disposes the subscription.
+ * @param source$ source observable
+ * @param nextHandler subscriber function
+ * @param errHandler error catching callback
+ */
+export function useSubscription<T>(
+  source$: Observable<T>,
+  nextHandler: (value: T) => void,
+  errHandler?: (err: any) => void,
+) {
+  useEffect(() => {
+    if (source$) {
+      const sub = source$.subscribe({
+        next: nextHandler,
+        error: errHandler,
+      })
+      return () => sub.unsubscribe()
+    }
+  }, [source$])
+}
+
+/**
+ * Use an observable as state
+ * @param source$ source observable
+ * @param initialState the initial state prior to the emission
+ * @param errHandler error catching callback
+ * @returns value emitted to the observable
+ */
+export function useObservable<T>(
+  source$: Observable<T>,
+  initialState: T,
+  errHandler?: (err: any) => void,
+): T {
+  const [value, setValue] = useState(initialState)
+
+  useSubscription(source$, setValue, errHandler)
+
+  return value
+}

frontend/src/types/index.d.ts

@@ -10,13 +10,13 @@ export type RPCMethods =
   | "Service.UpdateExecutable"
 
 export type RPCRequest = {
-  method: RPCMethods,
-  params?: any[],
+  method: RPCMethods
+  params?: any[]
   id?: string
 }
 
 export type RPCResponse<T> = {
-  result: T,
+  result: T
   error: number | null
   id?: string
 }
@@ -46,18 +46,29 @@ export type RPCParams = {
 }
 
 export interface DLMetadata {
-  formats: Array<DLFormat>,
-  best: DLFormat,
-  thumbnail: string,
-  title: string,
+  formats: Array<DLFormat>
+  best: DLFormat
+  thumbnail: string
+  title: string
 }
 
-export interface DLFormat {
-  format_id: string,
-  format_note: string,
-  fps: number,
-  resolution: string,
-  vcodec: string,
-  acodec: string,
-  filesize_approx: number,
+export type DLFormat = {
+  format_id: string
+  format_note: string
+  fps: number
+  resolution: string
+  vcodec: string
+  acodec: string
+  filesize_approx: number
 }
+
+export type DirectoryEntry = {
+  name: string
+  path: string
+  shaSum: string
+}
+
+export type DeleteRequest = Omit<DirectoryEntry, 'name'>
+
+export type PlayRequest = Omit<DirectoryEntry, 'shaSum' | 'name'>
+

frontend/src/utils.ts

@@ -82,6 +82,10 @@ export function getHttpRPCEndpoint() {
     return `${window.location.protocol}//${localStorage.getItem('server-addr') || window.location.hostname}:${localStorage.getItem('server-port') || window.location.port}/http-rpc`
 }
 
+export function getHttpEndpoint() {
+    return `${window.location.protocol}//${localStorage.getItem('server-addr') || window.location.hostname}:${localStorage.getItem('server-port') || window.location.port}`
+}
+
 export function formatGiB(bytes: number) {
     return `${(bytes / 1_000_000_000).toFixed(0)}GiB`
 }

go.mod

@@ -8,6 +8,7 @@ require (
 	github.com/gofiber/websocket/v2 v2.1.5
 	github.com/google/uuid v1.3.0
 	github.com/marcopeocchi/fazzoletti v0.0.0-20230308161120-c545580f79fa
+	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc
 	golang.org/x/sys v0.7.0
 	gopkg.in/yaml.v3 v3.0.1
 )

go.sum

@@ -76,6 +76,8 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220214200702-86341886e292/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc h1:mCRnTeVUjcrhlRmO0VK8a6k6Rrf6TF9htwo2pJVSjIU=
+golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=

server/memory_db.go

@@ -108,4 +108,14 @@ func (m *MemoryDB) Restore() {
 	feed, _ := os.ReadFile("session.dat")
 	session := Session{}
 	json.Unmarshal(feed, &session)
+
+	for _, proc := range session.Processes {
+		db.table.Store(proc.Id, &Process{
+			id:       proc.Id,
+			url:      proc.Info.URL,
+			Info:     proc.Info,
+			Progress: proc.Progress,
+			mem:      m,
+		})
+	}
 }

server/process.go

@@ -171,6 +171,7 @@ func (p *Process) Kill() error {
 	// has been spawned with setPgid = true. To properly kill
 	// all subprocesses a SIGTERM need to be sent to the correct
 	// process group
+	if p.proc != nil {
 		pgid, err := syscall.Getpgid(p.proc.Pid)
 		if err != nil {
 			return err
@@ -180,6 +181,8 @@ func (p *Process) Kill() error {
 		log.Println("Killed process", p.id)
 		return err
 	}
+	return nil
+}
 
 // Returns the available format for this URL
 func (p *Process) GetFormatsSync() (DownloadFormats, error) {

server/rest/handlers.go

@@ -0,0 +1,129 @@
+package rest
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"errors"
+	"io/fs"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/marcopeocchi/yt-dlp-web-ui/server/config"
+	"golang.org/x/exp/slices"
+)
+
+type DirectoryEntry struct {
+	Name   string `json:"name"`
+	Path   string `json:"path"`
+	SHASum string `json:"shaSum"`
+}
+
+func isValidEntry(d fs.DirEntry) bool {
+	return !d.IsDir() &&
+		!strings.HasPrefix(d.Name(), ".") &&
+		!strings.HasSuffix(d.Name(), ".part") &&
+		!strings.HasSuffix(d.Name(), ".ytdl")
+}
+
+func walkDir(root string) (*[]DirectoryEntry, error) {
+	files := []DirectoryEntry{}
+
+	err := filepath.WalkDir(root, func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if isValidEntry(d) {
+			h := sha256.New()
+			h.Write([]byte(path))
+
+			files = append(files, DirectoryEntry{
+				Path:   path,
+				Name:   d.Name(),
+				SHASum: hex.EncodeToString(h.Sum(nil)),
+			})
+		}
+		return nil
+	})
+
+	return &files, err
+}
+
+func ListDownloaded(ctx *fiber.Ctx) error {
+	root := config.Instance().GetConfig().DownloadPath
+
+	files, err := walkDir(root)
+	if err != nil {
+		return err
+	}
+
+	ctx.Status(http.StatusOK)
+	return ctx.JSON(files)
+}
+
+type DeleteRequest = DirectoryEntry
+
+func DeleteFile(ctx *fiber.Ctx) error {
+	req := new(DeleteRequest)
+
+	err := ctx.BodyParser(req)
+	if err != nil {
+		return err
+	}
+
+	root := config.Instance().GetConfig().DownloadPath
+
+	files, err := walkDir(root)
+	if err != nil {
+		return err
+	}
+
+	index := slices.IndexFunc(*files, func(e DirectoryEntry) bool {
+		return e.Path == req.Path && e.SHASum == req.SHASum
+	})
+
+	if index == -1 {
+		ctx.SendString("shasum doesn't match")
+	}
+
+	if index >= 0 {
+		err := os.Remove(req.Path)
+		if err != nil {
+			return err
+		}
+	}
+
+	ctx.Status(fiber.StatusOK)
+	return ctx.JSON(index)
+}
+
+type PlayRequest struct {
+	Path string
+}
+
+func PlayFile(ctx *fiber.Ctx) error {
+	path := ctx.Query("path")
+
+	if path == "" {
+		return errors.New("inexistent path")
+	}
+
+	decoded, err := hex.DecodeString(path)
+	if err != nil {
+		return err
+	}
+
+	root := config.Instance().GetConfig().DownloadPath
+
+	//TODO: further path / file validations
+
+	if strings.Contains(filepath.Dir(string(decoded)), root) {
+		ctx.SendStatus(fiber.StatusPartialContent)
+		return ctx.SendFile(string(decoded))
+	}
+
+	ctx.Status(fiber.StatusOK)
+	return ctx.SendStatus(fiber.StatusUnauthorized)
+}

server/server.go

@@ -1,22 +1,30 @@
 package server
 
 import (
+	"context"
 	"fmt"
 	"io"
 	"io/fs"
 	"log"
 	"net/http"
 	"net/rpc"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
 
 	"github.com/gofiber/fiber/v2"
 	"github.com/gofiber/fiber/v2/middleware/cors"
 	"github.com/gofiber/fiber/v2/middleware/filesystem"
 	"github.com/gofiber/websocket/v2"
+	"github.com/marcopeocchi/yt-dlp-web-ui/server/rest"
 )
 
 var db MemoryDB
 
 func RunBlocking(port int, frontend fs.FS) {
+	db.Restore()
+
 	service := new(Service)
 	rpc.Register(service)
 
@@ -30,6 +38,13 @@ func RunBlocking(port int, frontend fs.FS) {
 	app.Get("/settings", func(c *fiber.Ctx) error {
 		return c.Redirect("/")
 	})
+	app.Get("/archive", func(c *fiber.Ctx) error {
+		return c.Redirect("/")
+	})
+
+	app.Get("/downloaded", rest.ListDownloaded)
+	app.Post("/delete", rest.DeleteFile)
+	app.Get("/play", rest.PlayFile)
 
 	// RPC handlers
 	// websocket
@@ -65,5 +80,34 @@ func RunBlocking(port int, frontend fs.FS) {
 
 	app.Server().StreamRequestBody = true
 
+	go periodicallyPersist()
+	go gracefulShutdown(app)
+
 	log.Fatal(app.Listen(fmt.Sprintf(":%d", port)))
 }
+
+func gracefulShutdown(app *fiber.App) {
+	ctx, stop := signal.NotifyContext(context.Background(),
+		os.Interrupt,
+		syscall.SIGTERM,
+		syscall.SIGQUIT,
+	)
+
+	go func() {
+		<-ctx.Done()
+		log.Println("shutdown signal received")
+
+		defer func() {
+			db.Persist()
+			stop()
+			app.ShutdownWithTimeout(time.Second * 5)
+		}()
+	}()
+}
+
+func periodicallyPersist() {
+	for {
+		db.Persist()
+		time.Sleep(time.Minute * 5)
+	}
+}

server/service.go

@@ -72,12 +72,15 @@ func (t *Service) Running(args NoArgs, running *Running) error {
 func (t *Service) Kill(args string, killed *string) error {
 	log.Println("Trying killing process with id", args)
 	proc, err := db.Get(args)
+
 	if err != nil {
 		return err
 	}
 	if proc != nil {
 		err = proc.Kill()
 	}
+
+	db.Delete(proc.id)
 	return err
 }