[feature] Add env var to show/hide Chat History Button (microsoft#771)

iseabock · Ian Seabock (Centific Technologies Inc) · web-flow · commit 07d27ea2b001 · 2024-07-10T15:57:46.000-07:00
Co-authored-by: Ian Seabock (Centific Technologies Inc) &lt;v-ianseabock@microsoft.com&gt;
diff --git a/README.md b/README.md
@@ -148,6 +148,7 @@ The interface allows for easy adaptation of the UI by modifying certain elements
 - `UI_CHAT_DESCRIPTION`
 - `UI_FAVICON`
 - `UI_SHOW_SHARE_BUTTON`
+- `UI_SHOW_CHAT_HISTORY_BUTTON`
 
 Feel free to fork this repository and make your own modifications to the UX or backend logic. You can modify the source (`frontend/src`). For example, you may want to change aspects of the chat display, or expose some of the settings in `app.py` in the UI for users to try out different behaviors. After your code changes, you will need to rebuild the front-end via `start.sh` or `start.cmd`.
 
@@ -254,6 +255,7 @@ Note: settings starting with `AZURE_SEARCH` are only needed when using Azure Ope
 |UI_CHAT_DESCRIPTION|This chatbot is configured to answer your questions| Description (chat window)
 |UI_FAVICON|| Defaults to Contoso favicon. Configure the URL to your favicon to modify.
 |UI_SHOW_SHARE_BUTTON|True|Share button (right-top)
+|UI_SHOW_CHAT_HISTORY_BUTTON|True|Show chat history button (right-top)
 |SANITIZE_ANSWER|False|Whether to sanitize the answer from Azure OpenAI. Set to True to remove any HTML tags from the response.|
 |USE_PROMPTFLOW|False|Use existing Promptflow deployed endpoint. If set to `True` then both `PROMPTFLOW_ENDPOINT` and `PROMPTFLOW_API_KEY` also need to be set.|
 |PROMPTFLOW_ENDPOINT||URL of the deployed Promptflow endpoint e.g. https://pf-deployment-name.region.inference.ml.azure.com/score|
diff --git a/app.py b/app.py
@@ -85,6 +85,7 @@ async def assets(path):
         "chat_title": app_settings.ui.chat_title,
         "chat_description": app_settings.ui.chat_description,
         "show_share_button": app_settings.ui.show_share_button,
+        "show_chat_history_button": app_settings.ui.show_chat_history_button,
     },
     "sanitize_answer": app_settings.base_settings.sanitize_answer,
 }
diff --git a/backend/settings.py b/backend/settings.py
@@ -48,6 +48,7 @@ class _UiSettings(BaseSettings):
     chat_description: str = "This chatbot is configured to answer your questions"
     favicon: str = "/favicon.ico"
     show_share_button: bool = True
+    show_chat_history_button: bool = True
 
 
 class _ChatHistorySettings(BaseSettings):
diff --git a/frontend/src/api/models.ts b/frontend/src/api/models.ts
@@ -137,6 +137,7 @@ export type UI = {
   logo?: string
   chat_logo?: string
   show_share_button?: boolean
+  show_chat_history_button?: boolean
 }
 
 export type FrontendSettings = {
diff --git a/frontend/src/pages/layout/Layout.tsx b/frontend/src/pages/layout/Layout.tsx
@@ -45,7 +45,7 @@ const Layout = () => {
     }
   }, [copyClicked])
 
-  useEffect(() => {}, [appStateContext?.state.isCosmosDBAvailable.status])
+  useEffect(() => { }, [appStateContext?.state.isCosmosDBAvailable.status])
 
   useEffect(() => {
     const handleResize = () => {
@@ -77,7 +77,7 @@ const Layout = () => {
             </Link>
           </Stack>
           <Stack horizontal tokens={{ childrenGap: 4 }} className={styles.shareButtonContainer}>
-            {appStateContext?.state.isCosmosDBAvailable?.status !== CosmosDBStatus.NotConfigured && (
+            {appStateContext?.state.isCosmosDBAvailable?.status !== CosmosDBStatus.NotConfigured && ui?.show_chat_history_button !== false && (
               <HistoryButton
                 onClick={handleHistoryClick}
                 text={appStateContext?.state?.isChatHistoryOpen ? hideHistoryLabel : showHistoryLabel}
diff --git a/static/assets/index-eaff1adf.js b/static/assets/index-eaff1adf.js
diff --git a/static/assets/index-eaff1adf.js.map b/static/assets/index-eaff1adf.js.map
diff --git a/static/index.html b/static/index.html
@@ -5,7 +5,7 @@
     <link rel="icon" type="image/x-icon" href="{{ favicon }}" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>{{ title }}</title>
-    <script type="module" crossorigin src="/assets/index-2e11eaf6.js"></script>
+    <script type="module" crossorigin src="/assets/index-eaff1adf.js"></script>
     <link rel="stylesheet" href="/assets/index-61492790.css">
   </head>
   <body>

Original file line number	Diff line number	Diff line change
`@@ -85,6 +85,7 @@ async def assets(path):`
`85`	`85`	`"chat_title": app_settings.ui.chat_title,`
`86`	`86`	`"chat_description": app_settings.ui.chat_description,`
`87`	`87`	`"show_share_button": app_settings.ui.show_share_button,`
	`88`	`+ "show_chat_history_button": app_settings.ui.show_chat_history_button,`
`88`	`89`	`},`
`89`	`90`	`"sanitize_answer": app_settings.base_settings.sanitize_answer,`
`90`	`91`	`}`
Original file line number	Diff line number	Diff line change
`@@ -137,6 +137,7 @@ export type UI = {`
`137`	`137`	`logo?: string`
`138`	`138`	`chat_logo?: string`
`139`	`139`	`show_share_button?: boolean`
	`140`	`+ show_chat_history_button?: boolean`
`140`	`141`	`}`
`141`	`142`
`142`	`143`	`export type FrontendSettings = {`