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Demo: chat-ai-integration imporved error handling #35081

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cce9bb7
demo-chat-ai-integration error-handling
flagmanAndrew Sep 7, 2026
166071e
apply copilot sug
flagmanAndrew Sep 7, 2026
881fecb
fix lint
flagmanAndrew Sep 8, 2026
473be9a
getErrorMessage and regenerate fixes
flagmanAndrew Sep 10, 2026
f6edbed
angular regenerate input fix
flagmanAndrew Sep 10, 2026
c91c8d8
copilot sug
flagmanAndrew Sep 10, 2026
97c29da
fix reactjs conversion
flagmanAndrew Sep 10, 2026
31249d7
fix convert-to-js
artem-kurchenko Sep 10, 2026
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2 changes: 1 addition & 1 deletion apps/demos/Demos/Chat/AIAndChatbotIntegration/Angular/app/ai/ai.service.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ export class AiService {
temperature: 0.7,
};

const response = await this.chatService.chat.completions.create(params);
const response = await this.chatService.chat.completions.create(params, { maxRetries: 0 });

@dmlvr dmlvr Sep 9, 2026 •
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let's add maxRetries to the params object here and all next demos, where we have params object

const data = { choices: response.choices };

return data.choices[0].message?.content;
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4 changes: 3 additions & 1 deletion apps/demos/Demos/Chat/AIAndChatbotIntegration/Angular/app/app.component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,9 @@ export class AppComponent {
try {
await this.appService.regenerate();
} finally {
this.toggleDisabledState(false);
setTimeout(() => {
this.toggleDisabledState(false);
});
}
Comment on lines 95 to 99
}
}
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19 changes: 13 additions & 6 deletions apps/demos/Demos/Chat/AIAndChatbotIntegration/Angular/app/app.service.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -106,13 +106,19 @@ export class AppService {
this.messages.push({ role: 'assistant', content: aiResponse });
this.renderAssistantMessage(aiResponse);
}, 200);
} catch {
} catch (err: unknown) {
this.typingUsersSubject.next([]);
this.messages.pop();
this.alertLimitReached();
this.alertError(this.getErrorMessage(err));
}
}

getErrorMessage(err: unknown): string {
if (err instanceof Error) return err.message;
if (typeof err === 'string') return err;
return 'Unknown error';
}

updateLastMessage(text = this.REGENERATION_TEXT) {
const items = this.dataSource.items();
const lastMessage = items.at(-1);
Expand All @@ -135,9 +141,9 @@ export class AppService {
this.dataSource.store().push([{ type: 'insert', data: message }]);
}

alertLimitReached() {
alertError(message: string) {
this.setAlerts([{
message: 'Request limit reached, try again in a minute.',
message,
}]);

setTimeout(() => {
Expand All @@ -152,13 +158,14 @@ export class AppService {

async regenerate() {
try {
this.setAlerts([]);
const aiResponse = await this.getAIResponse(this.messages.slice(0, -1));

this.updateLastMessage(aiResponse);
this.messages.at(-1).content = aiResponse;
} catch {
} catch (err: unknown) {
this.updateLastMessage(this.messages.at(-1).content);
this.alertLimitReached();
this.alertError(this.getErrorMessage(err));
}
}

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2 changes: 1 addition & 1 deletion apps/demos/Demos/Chat/AIAndChatbotIntegration/React/service.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ export async function getAIResponse(messages: AIMessage[], delay?: number): Prom
temperature: 0.7,
};

const response = await chatService.chat.completions.create(params);
const response = await chatService.chat.completions.create(params, { maxRetries: 0 });
const data = { choices: response.choices };

if (delay) {
Expand Down
23 changes: 15 additions & 8 deletions apps/demos/Demos/Chat/AIAndChatbotIntegration/React/useApi.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,12 @@ const dataItemToMessage = (item: ChatTypes.Message): AIMessage => ({

const getMessageHistory = (): AIMessage[] => [...dataSource.items()].map(dataItemToMessage);

const getErrorMessage = (err: unknown): string => {
if (err instanceof Error) return err.message;
if (typeof err === 'string') return err;
return 'Unknown error';
};

export const useApi = () => {
const [alerts, setAlerts] = useState<ChatTypes.Alert[]>([]);

Expand All @@ -55,9 +61,9 @@ export const useApi = () => {
}]);
}, []);

const alertLimitReached = useCallback((): void => {
const alertError = useCallback((message: string): void => {
setAlerts([{
message: 'Request limit reached, try again in a minute.',
message,
}]);

setTimeout(() => {
Expand All @@ -77,12 +83,13 @@ export const useApi = () => {
author: assistant,
text: aiResponse,
});
} catch {
alertLimitReached();
} catch (err: unknown) {
alertError(getErrorMessage(err));
}
}, [alertLimitReached, insertMessage]);
}, [alertError, insertMessage]);

const regenerateLastAIResponse = useCallback(async (): Promise<void> => {
setAlerts([]);
const messageHistory = getMessageHistory();
updateLastMessageContent(REGENERATION_TEXT);

Expand All @@ -92,11 +99,11 @@ export const useApi = () => {
if (typeof aiResponse === 'string') {
updateLastMessageContent(aiResponse);
}
} catch {
} catch (err: unknown) {
updateLastMessageContent(messageHistory.at(-1)?.content as string);
alertLimitReached();
alertError(getErrorMessage(err));
}
}, [alertLimitReached, updateLastMessageContent]);
}, [alertError, updateLastMessageContent]);

return {
alerts,
Expand Down
2 changes: 1 addition & 1 deletion apps/demos/Demos/Chat/AIAndChatbotIntegration/ReactJs/service.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ export async function getAIResponse(messages, delay) {
max_completion_tokens: 1000,
temperature: 0.7,
};
const response = await chatService.chat.completions.create(params);
const response = await chatService.chat.completions.create(params, { maxRetries: 0 });
const data = { choices: response.choices };
if (delay) {
await wait(delay);
Expand Down
22 changes: 14 additions & 8 deletions apps/demos/Demos/Chat/AIAndChatbotIntegration/ReactJs/useApi.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,11 @@ const dataItemToMessage = (item) => ({
content: item.text,
});
const getMessageHistory = () => [...dataSource.items()].map(dataItemToMessage);
const getErrorMessage = (err) => {
if (err instanceof Error) return err.message;
if (typeof err === 'string') return err;
return 'Unknown error';
};
export const useApi = () => {
const [alerts, setAlerts] = useState([]);
const insertMessage = useCallback((data) => {
Expand All @@ -44,10 +49,10 @@ export const useApi = () => {
},
]);
}, []);
const alertLimitReached = useCallback(() => {
const alertError = useCallback((message) => {
setAlerts([
{
message: 'Request limit reached, try again in a minute.',
message,
},
]);
setTimeout(() => {
Expand All @@ -65,25 +70,26 @@ export const useApi = () => {
author: assistant,
text: aiResponse,
});
} catch {
alertLimitReached();
} catch (err) {
alertError(getErrorMessage(err));
}
},
[alertLimitReached, insertMessage],
[alertError, insertMessage],
);
const regenerateLastAIResponse = useCallback(async () => {
setAlerts([]);
const messageHistory = getMessageHistory();
updateLastMessageContent(REGENERATION_TEXT);
try {
const aiResponse = await getAIResponse(messageHistory.slice(0, -1));
if (typeof aiResponse === 'string') {
updateLastMessageContent(aiResponse);
}
} catch {
} catch (err) {
updateLastMessageContent(messageHistory.at(-1)?.content);
alertLimitReached();
alertError(getErrorMessage(err));
}
}, [alertLimitReached, updateLastMessageContent]);
}, [alertError, updateLastMessageContent]);
return {
alerts,
insertMessage,
Expand Down
20 changes: 13 additions & 7 deletions apps/demos/Demos/Chat/AIAndChatbotIntegration/Vue/App.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,12 @@ function renderAssistantMessage(text: string): void {
dataSource.store().push([{ type: 'insert', data: message }]);
}

function getErrorMessage(err: unknown): string {
if (err instanceof Error) return err.message;
if (typeof err === 'string') return err;
return 'Unknown error';
}

async function processMessageSending(
message: DxChatTypes.TextMessage,
event: Events.EventObject | undefined,
Expand All @@ -125,18 +131,18 @@ async function processMessageSending(
messages.push({ role: 'assistant', content: aiResponse });
renderAssistantMessage(aiResponse);
}, 200);
} catch {
} catch (err: unknown) {
typingUsers.value = [];
messages.pop();
alertLimitReached();
alertError(getErrorMessage(err));
} finally {
toggleDisabledState(false, event);
}
}

function alertLimitReached(): void {
function alertError(message: string): void {
alerts.value = [{
message: 'Request limit reached, try again in a minute.',
message,
}];

setTimeout(() => {
Expand All @@ -156,12 +162,11 @@ async function regenerate(): Promise<void> {
if (lastMessage?.content) {
lastMessage.content = aiResponse;
}
} catch {
} catch (err: unknown) {
if (lastMessage?.content) {
updateLastMessage(lastMessage.content);
}

alertLimitReached();
alertError(getErrorMessage(err));
} finally {
toggleDisabledState(false);
}
Expand All @@ -185,6 +190,7 @@ function onCopyButtonClick(message: { text: string }): void {
}

function onRegenerateButtonClick(): void {
alerts.value = [];
updateLastMessage();
regenerate();
}
Expand Down
2 changes: 1 addition & 1 deletion apps/demos/Demos/Chat/AIAndChatbotIntegration/Vue/service.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ export async function getAIResponse(messages: AIMessage[]): Promise<AIResponse>
temperature: 0.7,
};

const response = await chatService.chat.completions.create(params as any);
const response = await chatService.chat.completions.create(params as any, { maxRetries: 0 });
const data = { choices: response.choices };

return data.choices[0].message?.content || '';
Expand Down
25 changes: 14 additions & 11 deletions apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,16 +26,22 @@ $(() => {
temperature: 0.7,
};

const response = await chatService.chat.completions.create(params);
const response = await chatService.chat.completions.create(params, { maxRetries: 0 });
const data = { choices: response.choices };

return data.choices[0].message?.content;
}

function alertLimitReached() {
function getErrorMessage(err) {
if (err instanceof Error) return err.message;
if (typeof err === 'string') return err;
return 'Unknown error';
}

function alertError(message) {
instance.option({
alerts: [{
message: 'Request limit reached, try again in a minute.',
message,
}],
});

Expand Down Expand Up @@ -70,10 +76,10 @@ $(() => {

renderAssistantMessage(aiResponse);
}, 200);
} catch {
} catch (err) {
instance.option({ typingUsers: [] });
messages.pop();
alertLimitReached();
alertError(getErrorMessage(err));
} finally {
toggleDisabledState(false, event);
}
Expand All @@ -87,9 +93,9 @@ $(() => {

updateLastMessage(aiResponse);
messages.at(-1).content = aiResponse;
} catch {
} catch (err) {
updateLastMessage(messages.at(-1).content);
alertLimitReached();
alertError(getErrorMessage(err));
} finally {
toggleDisabledState(false);
}
Expand Down Expand Up @@ -143,10 +149,7 @@ $(() => {
}

function onRegenerateButtonClick() {
if (instance.option('alerts').length) {
return;
}

instance.option('alerts', []);
updateLastMessage();
regenerate();
}
Expand Down
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