feat: wait for upload sync (#649)

* feat: add basic progress bar (#605)

* feat: add syncing to share page (#605)

* refactor: use the documentation text comp (#605)

* refactor: move sync logic to new comp (#605)

* refactor: optimize sync check (#605)

* chore: linting (#605)

---------

Co-authored-by: Levente Kiss <levente.kiss@solarpunk.bzz>

src/pages/files/AssetSyncing.tsx

@@ -0,0 +1,85 @@
+import { Context as SettingsContext } from '../../providers/Settings'
+import { Box } from '@material-ui/core'
+import { ReactElement, useContext, useEffect, useRef, useState } from 'react'
+import { DocumentationText } from '../../components/DocumentationText'
+import { LinearProgressWithLabel } from '../../components/ProgressBar'
+
+interface Props {
+  reference: string
+}
+
+export function AssetSyncing({ reference }: Props): ReactElement {
+  const { beeApi } = useContext(SettingsContext)
+
+  const syncTimer = useRef<NodeJS.Timer>()
+  const [isRetrieveChecking, setIsRetrieveChecking] = useState<boolean>(false)
+  const [syncProgress, setSyncProgress] = useState<number>(0)
+
+  const syncCheck = async () => {
+    if (!beeApi) {
+      return
+    }
+
+    const tags = await beeApi.getAllTags()
+    const tag = tags.find(t => t.address === reference)
+
+    if (tag) {
+      const progress = ((tag.seen + tag.synced) / tag.split) * 100
+      setSyncProgress(progress)
+    }
+  }
+
+  useEffect(() => {
+    syncTimer.current = setInterval(syncCheck, 2000)
+
+    return () => {
+      if (syncTimer.current) {
+        clearInterval(syncTimer.current)
+      }
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [reference])
+
+  useEffect(() => {
+    if (syncProgress === 100 && syncTimer.current) {
+      clearInterval(syncTimer.current)
+    }
+  }, [syncProgress])
+
+  useEffect(() => {
+    /*   
+          There are instances when it seems that the content isn't synchronized, despite being already available.
+          To ensure it's not due to invalid synchronization data,
+          verify availability from at least 70% using one of the stewardship endpoints.
+          
+          TODO: is 70 a good number?
+    */
+    if (beeApi && !isRetrieveChecking && syncProgress > 10 && syncProgress < 100) {
+      // It's a long running task make sure only one run occurs at a time.
+      setIsRetrieveChecking(true)
+
+      beeApi.isReferenceRetrievable(reference).then(isRetriavable => {
+        if (isRetriavable) {
+          setSyncProgress(100)
+        }
+
+        setIsRetrieveChecking(false)
+      })
+    }
+  }, [syncProgress, isRetrieveChecking, beeApi, reference])
+
+  return (
+    <>
+      <Box mb={2}>
+        <DocumentationText>
+          Files are not immediately accessible on the Swarm network. Please wait until your upload is synced to the
+          network.{' '}
+          <a href="https://docs.ethswarm.org/docs/develop/access-the-swarm/syncing">Learn more about syncing</a>.
+        </DocumentationText>
+      </Box>
+      <Box mb={4}>
+        <LinearProgressWithLabel value={syncProgress}></LinearProgressWithLabel>
+      </Box>
+    </>
+  )
+}

src/pages/files/Share.tsx

@@ -16,6 +16,7 @@ import { ManifestJs } from '../../utils/manifest'
 import { AssetPreview } from './AssetPreview'
 import { AssetSummary } from './AssetSummary'
 import { DownloadActionBar } from './DownloadActionBar'
+import { AssetSyncing } from './AssetSyncing'
 
 export function Share(): ReactElement {
   const { apiUrl, beeApi } = useContext(SettingsContext)
@@ -152,6 +153,9 @@ export function Share(): ReactElement {
       <Box mb={4}>
         <AssetSummary isWebsite={metadata?.isWebsite} reference={reference} />
       </Box>
+      <Box mb={4}>
+        <AssetSyncing reference={reference} />
+      </Box>
       <DownloadActionBar
         onOpen={onOpen}
         onCancel={onClose}

src/pages/files/Upload.tsx

@@ -204,7 +204,16 @@ export function Upload(): ReactElement {
           </Box>
         </>
       )}
-      {step === 2 && stamp && <StampPreview stamp={stamp} />}
+      {step === 2 && stamp && (
+        <>
+          <StampPreview stamp={stamp} />
+          <Box mb={4}>
+            <DocumentationText>
+              Please do not close the application until your file is uploaded to your local node!
+            </DocumentationText>
+          </Box>
+        </>
+      )}
       <UploadActionBar
         step={step}
         onCancel={reset}