Bug: Add custom app feature works weird or doesn't work (#2279)

* prevent trigger for "" value

* remove autocomplete for input

* Add loading indicator

* Ivan feedback

* fix  jumping

* Rename prop

Co-authored-by: katspaugh <katspaugh@users.noreply.github.com>

src/routes/safe/components/Apps/components/AddAppForm/AppUrl.tsx

@@ -28,22 +28,34 @@ export const appUrlResolver = createDecorator({
   },
 })
 
-export const AppInfoUpdater = ({ onAppInfo }: { onAppInfo: (appInfo: SafeApp) => void }): null => {
+type AppInfoUpdaterProps = {
+  onAppInfo: (appInfo: SafeApp) => void
+  onLoading: (isLoading: boolean) => void
+}
+
+export const AppInfoUpdater = ({ onAppInfo, onLoading }: AppInfoUpdaterProps): null => {
   const {
     input: { value: appUrl },
   } = useField('appUrl', { subscription: { value: true } })
+
   const debouncedValue = useDebounce(appUrl, 500)
 
   React.useEffect(() => {
     const updateAppInfo = async () => {
-      const appInfo = await getAppInfoFromUrl(debouncedValue)
-      onAppInfo({ ...appInfo })
+      try {
+        onLoading(true)
+        const appInfo = await getAppInfoFromUrl(debouncedValue)
+        onAppInfo({ ...appInfo })
+        onLoading(false)
+      } catch (error) {
+        onLoading(false)
+      }
     }
 
     if (isValidURL(debouncedValue)) {
       updateAppInfo()
     }
-  }, [debouncedValue, onAppInfo])
+  }, [debouncedValue, onAppInfo, onLoading])
 
   return null
 }
@@ -55,7 +67,15 @@ const AppUrl = ({ appList }: { appList: SafeApp[] }): React.ReactElement => {
   const validate = !visited?.appUrl ? undefined : composeValidators(required, validateUrl, uniqueApp(appList))
 
   return (
-    <Field label="App URL" name="appUrl" placeholder="App URL" type="text" component={TextField} validate={validate} />
+    <Field
+      label="App URL"
+      name="appUrl"
+      placeholder="App URL"
+      type="text"
+      component={TextField}
+      validate={validate}
+      autoComplete="off"
+    />
   )
 }
 

src/routes/safe/components/Apps/components/AddAppForm/index.tsx

@@ -1,4 +1,4 @@
-import { TextField } from '@gnosis.pm/safe-react-components'
+import { TextField, Loader } from '@gnosis.pm/safe-react-components'
 import React, { useState, ReactElement } from 'react'
 import styled from 'styled-components'
 
@@ -24,6 +24,7 @@ const StyledTextFileAppName = styled(TextField)`
 `
 
 const AppInfo = styled.div`
+  display: flex;
   margin: 36px 0 24px 0;
 
   img {
@@ -41,6 +42,18 @@ const AppDocsInfo = styled.div`
   }
 `
 
+const WrapperLoader = styled.div`
+  height: 55px;
+  width: 65px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+`
+
+const StyledLoader = styled(Loader)`
+  margin-right: 15px;
+`
+
 interface AddAppFormValues {
   appUrl: string
   agreementAccepted: boolean
@@ -62,6 +75,7 @@ const AddApp = ({ appList, closeModal }: AddAppProps): ReactElement => {
   const [appInfo, setAppInfo] = useState<SafeApp>(APP_INFO)
   const history = useHistory()
   const matchSafeWithAddress = useRouteMatch<{ safeAddress: string }>({ path: `${SAFELIST_ADDRESS}/:safeAddress` })
+  const [isLoading, setIsLoading] = useState(false)
 
   const handleSubmit = () => {
     const newAppList = [
@@ -93,14 +107,26 @@ const AddApp = ({ appList, closeModal }: AddAppProps): ReactElement => {
               <Icon size="sm" type="externalLink" color="primary" />
             </Link>
           </AppDocsInfo>
+
           <AppUrl appList={appList} />
 
           {/* Fetch app from url and return a SafeApp */}
-          <AppInfoUpdater onAppInfo={setAppInfo} />
+          <AppInfoUpdater onAppInfo={setAppInfo} onLoading={setIsLoading} />
 
           <AppInfo>
-            <Img alt="Token image" height={55} src={appInfo.iconUrl} />
-            <StyledTextFileAppName label="App name" readOnly value={appInfo.name} onChange={() => {}} />
+            {isLoading ? (
+              <WrapperLoader>
+                <StyledLoader size="sm" />
+              </WrapperLoader>
+            ) : (
+              <Img alt="Token image" width={55} src={appInfo.iconUrl} />
+            )}
+            <StyledTextFileAppName
+              label="App name"
+              readOnly
+              value={isLoading ? 'Loading...' : appInfo.name}
+              onChange={() => {}}
+            />
           </AppInfo>
 
           <AppAgreement />