feat(renotifications): can re-notify users on the signing page

src/pages/create/index.tsx

@@ -46,9 +46,7 @@ import {
   shorten,
   signEventForMetaFile,
   updateUsersAppData,
-  uploadToFileStorage,
-  isPromiseFulfilled,
-  isPromiseRejected
+  uploadToFileStorage
 } from '../../utils'
 import { Container } from '../../components/Container'
 import styles from './style.module.scss'
@@ -86,6 +84,7 @@ import {
   faUpload
 } from '@fortawesome/free-solid-svg-icons'
 import { SigitFile } from '../../utils/file.ts'
+import { checkNotifications } from '../../utils/notifications.ts'
 
 export const CreatePage = () => {
   const navigate = useNavigate()
@@ -787,14 +786,7 @@ export const CreatePage = () => {
 
         setLoadingSpinnerDesc('Sending notifications to counterparties')
         const notifications = await Promise.allSettled(sendNotifications(meta))
-        if (notifications.every(isPromiseFulfilled)) {
-          toast.success('Notifications sent successfully')
-        } else {
-          logRejectedNotifications(notifications)
-          toast.error(
-            'Some notifications failed to publish. Please rebroadcast them again.'
-          )
-        }
+        checkNotifications(notifications)
         navigate(appPrivateRoutes.sign, { state: { meta: meta } })
       } else {
         const zip = new JSZip()
@@ -850,15 +842,6 @@ export const CreatePage = () => {
     }
   }
 
-  const logRejectedNotifications = (
-    notifications: PromiseSettledResult<string[]>[]
-  ) => {
-    notifications
-      .filter(isPromiseRejected)
-      .map((res: PromiseRejectedResult) => (res.reason as Error).message)
-      .forEach((message: string) => console.log(message))
-  }
-
   const onDrawFieldsChange = (sigitFiles: SigitFile[]) => {
     setDrawnFiles(sigitFiles)
   }

src/pages/sign/index.tsx

@@ -53,6 +53,7 @@ import {
   SigitFile
 } from '../../utils/file.ts'
 import { ARRAY_BUFFER, DEFLATE } from '../../utils/const.ts'
+import { checkNotifications } from '../../utils/notifications.ts'
 enum SignedStatus {
   Fully_Signed,
   User_Is_Next_Signer,
@@ -663,60 +664,23 @@ export const SignPage = () => {
 
   // Handle the online flow: update users app data and send notifications
   const handleOnlineFlow = async (meta: Meta) => {
+    try {
       setLoadingSpinnerDesc('Updating users app data')
       const updatedEvent = await updateUsersAppData(meta)
       if (!updatedEvent) {
-      setIsLoading(false)
-      return
+        throw new Error('There was an error updating user app data.')
       }
-
-    const userSet = new Set<`npub1${string}`>()
-    if (submittedBy && submittedBy !== usersPubkey) {
-      userSet.add(hexToNpub(submittedBy))
-    }
-
-    const usersNpub = hexToNpub(usersPubkey!)
-    const isLastSigner = checkIsLastSigner(signers)
-    if (isLastSigner) {
-      signers.forEach((signer) => {
-        if (signer !== usersNpub) {
-          userSet.add(signer)
-        }
-      })
-
-      viewers.forEach((viewer) => {
-        userSet.add(viewer)
-      })
-    } else {
-      const currentSignerIndex = signers.indexOf(usersNpub)
-      const prevSigners = signers.slice(0, currentSignerIndex)
-
-      prevSigners.forEach((signer) => {
-        userSet.add(signer)
-      })
-
-      const nextSigner = signers[currentSignerIndex + 1]
-      userSet.add(nextSigner)
-    }
-
       setLoadingSpinnerDesc('Sending notifications')
-    const users = Array.from(userSet)
-    console.log('users: ', users)
-    const publishedRelays = await Promise.all(
-      users.map(async (user) => sendNotification(npubToHex(user)!, meta))
-    )
-    console.log('published relays: ', publishedRelays)
-    // await Promise.all(promises)
-    //   .then(() => {
-    //     toast.success('Notifications sent successfully')
-    //     setMeta(meta)
-    //   })
-    //   .catch(() => {
-    //     toast.error('Failed to publish notifications')
-    //   })
 
+      const notifications = await notifyUsers(meta)
+      checkNotifications(notifications)
+    } catch (error) {
+      console.error(error)
+      toast.error('There was an error finalising signatures.')
+    } finally {
       setIsLoading(false)
     }
+  }
 
   // Check if the current user is the last signer
   const checkIsLastSigner = (signers: string[]): boolean => {
@@ -873,6 +837,64 @@ export const SignPage = () => {
     }
   }
 
+  const getUsersToNotify = (): `npub1${string}`[] => {
+    const userSet = new Set<`npub1${string}`>()
+    if (submittedBy && submittedBy !== usersPubkey) {
+      userSet.add(hexToNpub(submittedBy))
+    }
+
+    const usersNpub = hexToNpub(usersPubkey!)
+    const isLastSigner = checkIsLastSigner(signers)
+    if (isLastSigner) {
+      signers.forEach((signer) => {
+        if (signer !== usersNpub) {
+          userSet.add(signer)
+        }
+      })
+
+      viewers.forEach((viewer) => userSet.add(viewer))
+    } else {
+      const currentSignerIndex = signers.indexOf(usersNpub)
+      const prevSigners = signers.slice(0, currentSignerIndex)
+
+      prevSigners.forEach((signer) => {
+        userSet.add(signer)
+      })
+
+      const nextSigner = signers[currentSignerIndex + 1]
+      userSet.add(nextSigner)
+    }
+    return Array.from(userSet)
+  }
+
+  const notifyUsers = async (meta: Meta) => {
+    try {
+      const usersToNotify = getUsersToNotify()
+      return await Promise.allSettled(
+        usersToNotify.map(async (user) =>
+          sendNotification(npubToHex(user)!, meta)
+        )
+      )
+    } catch (error) {
+      throw new Error('There was a problem sending notifications to users', {
+        cause: error
+      })
+    }
+  }
+
+  const handleRenotifyUsers = async () => {
+    try {
+      setIsLoading(true)
+      const notifications = await notifyUsers(meta!)
+      checkNotifications(notifications)
+    } catch (error) {
+      console.error(error)
+      toast.error('There was an error re-notifying users')
+    } finally {
+      setIsLoading(false)
+    }
+  }
+
   if (authUrl) {
     return (
       <iframe
@@ -969,6 +991,12 @@ export const SignPage = () => {
                 </Button>
               </Box>
             )}
+
+            <Box sx={{ mt: 1, display: 'flex', justifyContent: 'center' }}>
+              <Button onClick={handleRenotifyUsers} variant="contained">
+                Re-notify Next Signer
+              </Button>
+            </Box>
           </>
         )}
       </Container>

src/utils/notifications.ts

@@ -0,0 +1,26 @@
+import { isPromiseFulfilled, isPromiseRejected } from './utils.ts'
+import { toast } from 'react-toastify'
+
+const checkNotifications = (
+  notifications: PromiseSettledResult<string[]>[]
+) => {
+  if (notifications.every(isPromiseFulfilled)) {
+    toast.success('Notifications sent successfully')
+  } else {
+    logRejectedNotifications(notifications)
+    toast.error(
+      'Some notifications failed to publish. Please rebroadcast them again.'
+    )
+  }
+}
+
+const logRejectedNotifications = (
+  notifications: PromiseSettledResult<string[]>[]
+) => {
+  notifications
+    .filter(isPromiseRejected)
+    .map((res: PromiseRejectedResult) => (res.reason as Error).message)
+    .forEach((message: string) => console.log(message))
+}
+
+export { checkNotifications }