Add duplicate and clear submissions functionality for challenge chains; implement corresponding dialogs and API endpoints, enhancing user experience and task management. Update localization for new features in English and Russian.

src/components/ClearSubmissionsDialog.tsx

@@ -0,0 +1,77 @@
+import React from 'react'
+import { useTranslation } from 'react-i18next'
+import {
+  DialogRoot,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+  DialogBody,
+  DialogFooter,
+  DialogActionTrigger,
+  Button,
+  Text,
+} from '@chakra-ui/react'
+import { useClearChainSubmissionsMutation } from '../__data__/api/api'
+import { toaster } from './ui/toaster'
+import type { ChallengeChain } from '../types/challenge'
+
+interface ClearSubmissionsDialogProps {
+  isOpen: boolean
+  onClose: () => void
+  chain: ChallengeChain | null
+}
+
+export const ClearSubmissionsDialog: React.FC<ClearSubmissionsDialogProps> = ({
+  isOpen,
+  onClose,
+  chain,
+}) => {
+  const { t } = useTranslation()
+  const [clearSubmissions, { isLoading }] = useClearChainSubmissionsMutation()
+
+  const handleConfirm = async () => {
+    if (!chain) return
+
+    try {
+      await clearSubmissions(chain.id).unwrap()
+      toaster.create({
+        title: t('challenge.admin.common.success'),
+        description: t('challenge.admin.chains.clear.submissions.success'),
+        type: 'success',
+      })
+      onClose()
+    } catch (err) {
+      toaster.create({
+        title: t('challenge.admin.common.error'),
+        description: t('challenge.admin.chains.clear.submissions.error'),
+        type: 'error',
+      })
+    }
+  }
+
+  if (!chain) return null
+
+  return (
+    <DialogRoot open={isOpen} onOpenChange={(e) => !e.open && onClose()}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>{t('challenge.admin.chains.clear.submissions.dialog.title')}</DialogTitle>
+        </DialogHeader>
+        <DialogBody>
+          <Text>{t('challenge.admin.chains.clear.submissions.dialog.message', { name: chain.name })}</Text>
+        </DialogBody>
+        <DialogFooter>
+          <DialogActionTrigger asChild>
+            <Button variant="outline" onClick={onClose} disabled={isLoading}>
+              {t('challenge.admin.common.cancel')}
+            </Button>
+          </DialogActionTrigger>
+          <Button colorPalette="red" onClick={handleConfirm} disabled={isLoading}>
+            {t('challenge.admin.chains.clear.submissions.dialog.button.confirm')}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </DialogRoot>
+  )
+}
+