src/components/FileList/index.tsx

@@ -16,6 +16,7 @@ interface FileListProps {
   setCurrentFile: (file: CurrentUserFile) => void
   handleExport?: () => void
   handleEncryptedExport?: () => void
+  reBroadcastSigit?: () => void
 }
 
 const FileList = ({
@@ -23,7 +24,8 @@ const FileList = ({
   currentFile,
   setCurrentFile,
   handleExport,
-  handleEncryptedExport
+  handleEncryptedExport,
+  reBroadcastSigit
 }: FileListProps) => {
   const isActive = (file: CurrentUserFile) => file.id === currentFile.id
   return (
@@ -91,6 +93,12 @@ const FileList = ({
           )}
         </PopupState>
       )}
+
+      {typeof reBroadcastSigit === 'function' && (
+        <Button variant="contained" onClick={reBroadcastSigit}>
+          Re-Broadcast
+        </Button>
+      )}
     </div>
   )
 }

src/pages/verify/index.tsx

@@ -28,7 +28,8 @@ import {
   ARRAY_BUFFER,
   DEFLATE,
   uploadMetaToFileStorage,
-  decrypt
+  decrypt,
+  SignStatus
 } from '../../utils'
 import styles from './style.module.scss'
 import { useLocation, useParams } from 'react-router-dom'
@@ -217,6 +218,7 @@ export const VerifyPage = () => {
     encryptionKey,
     signers,
     viewers,
+    signersStatus,
     fileHashes,
     parsedSignatureEvents,
     timestamps
@@ -732,6 +734,76 @@ export const VerifyPage = () => {
     return Promise.resolve(arrayBuffer)
   }
 
+  const reBroadcastSigit = async () => {
+    const usersNpub = hexToNpub(usersPubkey!)
+
+    if (!encryptionKey) {
+      toast.error('Encryption key is missing')
+      return
+    }
+
+    setIsLoading(true)
+    setLoadingSpinnerDesc('storing meta on blossom server')
+
+    let metaUrl: string
+    try {
+      metaUrl = await uploadMetaToFileStorage(meta, encryptionKey)
+    } catch (error) {
+      if (error instanceof Error) {
+        toast.error(error.message)
+      }
+      console.error(error)
+      setIsLoading(false)
+      return
+    }
+
+    const userSet = new Set<`npub1${string}`>()
+    if (submittedBy && submittedBy !== usersPubkey) {
+      userSet.add(hexToNpub(submittedBy))
+    }
+
+    // add all the signers who have signed and next signer to userSet
+    signers.forEach((signer) => {
+      // skip current user
+      if (signer === usersNpub) return
+
+      if (signersStatus[signer] === SignStatus.Signed) {
+        userSet.add(signer)
+      } else if (signersStatus[signer] === SignStatus.Awaiting) {
+        userSet.add(signer)
+      }
+    })
+
+    // If all signers have signed then include viewers too
+    if (
+      signers.every((signer) => signersStatus[signer] === SignStatus.Signed)
+    ) {
+      viewers.forEach((viewer) => {
+        // skip current user
+        if (viewer === usersNpub) return
+
+        userSet.add(viewer)
+      })
+    }
+
+    setLoadingSpinnerDesc('Sending notifications')
+    const users = Array.from(userSet)
+    const promises = users.map((user) =>
+      sendNotification(npubToHex(user)!, { metaUrl, keys: meta.keys })
+    )
+
+    await Promise.all(promises)
+      .then(() => {
+        toast.success('Notifications sent successfully')
+        setMeta(meta)
+      })
+      .catch(() => {
+        toast.error('Failed to publish notifications')
+      })
+
+    setIsLoading(false)
+  }
+
   return (
     <>
       {isLoading && <LoadingSpinner desc={loadingSpinnerDesc} />}
@@ -780,6 +852,7 @@ export const VerifyPage = () => {
                   setCurrentFile={setCurrentFile}
                   handleExport={handleExport}
                   handleEncryptedExport={handleEncryptedExport}
+                  reBroadcastSigit={reBroadcastSigit}
                 />
               )
             }