Feat livestream support (#180)

* experimental livestrea support

* test livestream

* update wait time detection

* update livestream functions

* persist and restore livestreams monitor session

* fan-in logging

* deps update

* added live time display

* livestream monitor prototype

* changed to default logger instead of passing *slog.Logger everywhere

* code refactoring, comments

frontend/src/components/livestream/LivestreamDialog.tsx

@@ -0,0 +1,126 @@
+import CloseIcon from '@mui/icons-material/Close'
+import {
+  Alert,
+  AppBar,
+  Box,
+  Button,
+  Container,
+  Dialog,
+  Grid,
+  IconButton,
+  Paper,
+  Slide,
+  TextField,
+  Toolbar,
+  Typography
+} from '@mui/material'
+import { TransitionProps } from '@mui/material/transitions'
+import { forwardRef, useState } from 'react'
+import { useToast } from '../../hooks/toast'
+import { useI18n } from '../../hooks/useI18n'
+import { useRPC } from '../../hooks/useRPC'
+
+type Props = {
+  open: boolean
+  onClose: () => void
+}
+
+const Transition = forwardRef(function Transition(
+  props: TransitionProps & {
+    children: React.ReactElement
+  },
+  ref: React.Ref<unknown>,
+) {
+  return <Slide direction="up" ref={ref} {...props} />
+})
+
+const LivestreamDialog: React.FC<Props> = ({ open, onClose }) => {
+  const [livestreamURL, setLivestreamURL] = useState('')
+
+  const { i18n } = useI18n()
+  const { client } = useRPC()
+  const { pushMessage } = useToast()
+
+  const exec = (url: string) => client.execLivestream(url)
+
+  return (
+    <Dialog
+      fullScreen
+      open={open}
+      onClose={onClose}
+      TransitionComponent={Transition}
+    >
+      <AppBar sx={{ position: 'relative' }}>
+        <Toolbar>
+          <IconButton
+            edge="start"
+            color="inherit"
+            onClick={onClose}
+            aria-label="close"
+          >
+            <CloseIcon />
+          </IconButton>
+          <Typography sx={{ ml: 2, flex: 1 }} variant="h6" component="div">
+            Livestream monitor
+          </Typography>
+        </Toolbar>
+      </AppBar>
+      <Box sx={{
+        backgroundColor: (theme) => theme.palette.background.default,
+        minHeight: (theme) => `calc(99vh - ${theme.mixins.toolbar.minHeight}px)`
+      }}>
+        <Container sx={{ my: 4 }}>
+          <Grid container spacing={2}>
+            <Grid item xs={12}>
+              <Paper
+                elevation={4}
+                sx={{
+                  p: 2,
+                  display: 'flex',
+                  flexDirection: 'column',
+                }}
+              >
+                <Grid container>
+                  <Grid item xs={12} mb={2}>
+                    <Alert severity="info">
+                      This will monitor yet to start livestream. Each process will be executed with --wait-for-video 10.<br />
+                      If an already started livestream is provided it will be still downloaded but progress will not be tracked.
+                    </Alert>
+                    <Alert severity="warning" sx={{ mt: 1 }}>
+                      This feature is still experimental. Something might break!
+                    </Alert>
+                  </Grid>
+                  <Grid item xs={12}>
+                    <TextField
+                      multiline
+                      fullWidth
+                      label={i18n.t('livestreamURLInput')}
+                      variant="outlined"
+                      onChange={(e) => setLivestreamURL(e.target.value)}
+                    />
+                  </Grid>
+                  <Grid item>
+                    <Button
+                      sx={{ mt: 2 }}
+                      variant="contained"
+                      disabled={livestreamURL === ''}
+                      onClick={() => {
+                        exec(livestreamURL)
+                        onClose()
+                        pushMessage(`Monitoring ${livestreamURL}`, 'info')
+                      }}
+                    >
+                      {i18n.t('startButton')}
+                    </Button>
+                  </Grid>
+                </Grid>
+              </Paper>
+            </Grid>
+          </Grid>
+        </Container>
+      </Box>
+    </Dialog>
+  )
+}
+
+export default LivestreamDialog