From 5c674365d370abab45f0b1b4815c064c893eb53c Mon Sep 17 00:00:00 2001
From: David Schilling <dschilling@churchtools.de>
Date: Mon, 22 Feb 2021 17:43:15 +0100
Subject: [PATCH] Add url param `defaultUsername` to prefill the login username
 field

Signed-off-by: David Schilling <dschilling@churchtools.de>
---
 src/components/structures/MatrixChat.tsx | 1 +
 src/components/structures/auth/Login.tsx | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/components/structures/MatrixChat.tsx b/src/components/structures/MatrixChat.tsx
index 49386c5f659..365ac10d3d7 100644
--- a/src/components/structures/MatrixChat.tsx
+++ b/src/components/structures/MatrixChat.tsx
@@ -2090,6 +2090,7 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
                     onForgotPasswordClick={showPasswordReset ? this.onForgotPasswordClick : undefined}
                     onServerConfigChange={this.onServerConfigChange}
                     fragmentAfterLogin={fragmentAfterLogin}
+                    defaultUsername={this.props.startingFragmentQueryParams.defaultUsername}
                     {...this.getServerProperties()}
                 />
             );
diff --git a/src/components/structures/auth/Login.tsx b/src/components/structures/auth/Login.tsx
index 34a54109285..d34582b0c31 100644
--- a/src/components/structures/auth/Login.tsx
+++ b/src/components/structures/auth/Login.tsx
@@ -59,6 +59,7 @@ interface IProps {
     fallbackHsUrl?: string;
     defaultDeviceDisplayName?: string;
     fragmentAfterLogin?: string;
+    defaultUsername?: string;
 
     // Called when the user has logged in. Params:
     // - The object returned by the login API
@@ -119,7 +120,7 @@ export default class LoginComponent extends React.PureComponent<IProps, IState>
 
             flows: null,
 
-            username: "",
+            username: props.defaultUsername? props.defaultUsername: '',
             phoneCountry: null,
             phoneNumber: "",