DevExpress · marker-dao · Nov 28, 2024 · Nov 26, 2024
diff --git a/apps/demos/Demos/Chat/AIAndChatbotIntegration/description.md b/apps/demos/Demos/Chat/AIAndChatbotIntegration/description.md
@@ -0,0 +1 @@
+Chat is an interactive interface that allows users to send and receive messages in real time.
diff --git a/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/data.js b/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/data.js
@@ -0,0 +1,12 @@
+const deployment = 'gpt-4o-mini';
+const apiVersion = '2024-02-01';
+const endpoint = 'https://public-api.devexpress.com/demo-openai';
+const apiKey = 'DEMO';
+const REGENERATION_TEXT = 'Regeneration...';
+const user = {
+  id: 'user',
+};
+const assistant = {
+  id: 'assistant',
+  name: 'Virtual Assistant',
+};
diff --git a/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/index.html b/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/index.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
+  <head>
+    <title>DevExtreme Demo</title>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" />
+    <script src="../../../../node_modules/jquery/dist/jquery.min.js"></script>
+    <link rel="stylesheet" type="text/css" href="../../../../node_modules/devextreme-dist/css/dx.light.css" />
+    <script src="../../../../node_modules/devextreme-dist/js/dx.all.js"></script>
+    <script src="data.js"></script>
+    <link rel="stylesheet" type="text/css" href="styles.css" />
+    <script type="module" src="index.js"></script>
+  </head>
+  <body class="dx-viewport">
+    <div class="demo-container">
+      <div id="dx-ai-chat"></div>
+    </div>
+  </body>
+</html>
diff --git a/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/index.js b/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/index.js
@@ -0,0 +1,203 @@
+import { AzureOpenAI } from 'https://esm.sh/openai';
+import { unified } from 'https://esm.sh/unified@11?bundle';
+import remarkParse from 'https://esm.sh/remark-parse@11?bundle';
+import remarkRehype from 'https://esm.sh/remark-rehype@11?bundle';
+import rehypeStringify from 'https://esm.sh/rehype-stringify@10?bundle';
+
+$(() => {
+  const store = [];
+  let messages = [];
+
+  DevExpress.localization.loadMessages({
+    'en': {
+      'dxChat-emptyListMessage': 'Chat is Empty',
+      'dxChat-emptyListPrompt': 'AI Assistant is ready to answer your questions.',
+      'dxChat-textareaPlaceholder': 'Ask AI Assistant...',
+    },
+  });
+
+  const chatService = new AzureOpenAI({
+    dangerouslyAllowBrowser: true,
+    deployment,
+    endpoint,
+    apiVersion,
+    apiKey,
+  });
+
+  async function getAIResponse(messages) {
+    const params = {
+      messages: messages,
+      max_tokens: 1000,
+      temperature: 0.7,
+    };
+
+    const responseAzure = await chatService.chat.completions.create(params);
+    const data = { choices: responseAzure.choices };
+
+    return data.choices[0].message?.content;
+  };
+
+  function alertLimitReached() {
+    instance.option({
+      alerts: [{
+        message: 'Request limit reached, try again in a minute.',
+      }],
+    });
+
+    setTimeout(() => {
+      instance.option({ alerts: [] });
+    }, 10000);
+  };
+
+  async function processMessageSending() {
+    instance.option({ typingUsers: [assistant] });
+
+    try {
+      const aiResponse = await getAIResponse(messages);
+
+      setTimeout(() => {
+        instance.option({ typingUsers: [] });
+
+        messages.push({ role: 'assistant', content: aiResponse });
+
+        renderMessage(aiResponse);
+      }, 200);
+    } catch {
+      instance.option({ typingUsers: [] });
+      alertLimitReached();
+    }
+  };
+
+  async function regenerate() {
+    try {
+      const aiResponse = await getAIResponse(messages.slice(0, -1));
+
+      updateLastMessage(aiResponse);
+      messages.at(-1).content = aiResponse;
+    } catch {
+      updateLastMessage(messages.at(-1).content);
+      alertLimitReached();
+    }
+  };
+
+  function renderMessage(text) {
+    const message = {
+      id: Date.now(),
+      timestamp: new Date(),
+      author: assistant,
+      text,
+    };
+
+    customStore.push([{ type: 'insert', data: message }]);
+  };
+
+  function updateLastMessage(text) {
+    const { items } = instance.option();
+    const lastMessage = items.at(-1);
+    const data = {
+      text: text ?? REGENERATION_TEXT,
+    };
+
+    customStore.push([{
+      type: 'update',
+      key: lastMessage.id,
+      data,
+    }]);
+  };
+
+  function convertToHtml(value) {
+    const result = unified()
+      .use(remarkParse)
+      .use(remarkRehype)
+      .use(rehypeStringify)
+      .processSync(value)
+      .toString();
+
+    return result;
+  };
+
+  const customStore = new DevExpress.data.CustomStore({
+    key: 'id',
+    load: () => {
+      const d = $.Deferred();
+
+      setTimeout(function () {
+        d.resolve([...store]);
+      });
+
+      return d.promise();
+    },
+    insert: (message) => {
+      const d = $.Deferred();
+
+      setTimeout(function () {
+        store.push(message);
+        d.resolve();
+      });
+
+      return d.promise();
+    },
+  });
+
+  const instance = $("#dx-ai-chat").dxChat({
+    dataSource: customStore,
+    reloadOnChange: false,
+    showAvatar: false,
+    showDayHeaders: false,
+    user,
+    height: 710,
+    onMessageEntered: (e) => {
+      const { message } = e;
+
+      customStore.push([{ type: 'insert', data: { id: Date.now(), ...message } }]);
+      messages.push({ role: 'user', content: message.text });
+
+      processMessageSending();
+    },
+    messageTemplate: (data, element) => {
+      const { message } = data;
+
+      if (message.text === REGENERATION_TEXT) {
+        element.text(REGENERATION_TEXT);
+        return;
+      }
+
+      const $textElement = $('<div>')
+        .addClass('dx-chat-messagebubble-text')
+        .html(convertToHtml(message.text))
+        .appendTo(element);
+
+      const $buttonContainer = $('<div>')
+        .addClass('dx-bubble-button-container');
+
+      $('<div>')
+        .dxButton({
+          icon: 'copy',
+          stylingMode: 'text',
+          hint: 'Copy',
+          onClick: ({ component }) => {
+            navigator.clipboard.writeText($textElement.text());
+            component.option({ icon: 'check' });
+            setTimeout(() => {
+              component.option({ icon: 'copy' });
+            }, 5000);
+          },
+        })
+        .appendTo($buttonContainer);
+
+      $('<div>')
+        .dxButton({
+          icon: 'refresh',
+          stylingMode: 'text',
+          hint: 'Regenerate',
+          onClick: () => {
+            updateLastMessage();
+            regenerate();
+          },
+        })
+        .appendTo($buttonContainer);
+
+      $buttonContainer.appendTo(element);
+    },
+  }).dxChat('instance');
+});
diff --git a/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/styles.css b/apps/demos/Demos/Chat/AIAndChatbotIntegration/jQuery/styles.css
@@ -0,0 +1,60 @@
+.demo-container {
+  display: flex;
+  justify-content: center;
+}
+
+.dx-chat {
+  max-width: 900px;
+}
+
+.dx-chat-messagelist-empty-image {
+  display: none;
+}
+
+.dx-chat-messagelist-empty-message {
+  font-size: var(--dx-font-size-heading-5);
+}
+
+.dx-chat-messagebubble-content,
+.dx-chat-messagebubble-text {
+  display: flex;
+  flex-direction: column;
+}
+
+.dx-bubble-button-container {
+  display: none;
+}
+
+.dx-button {
+  display: inline-block;
+  color: var(--dx-color-icon);
+}
+
+.dx-chat-messagegroup-alignment-start:last-child .dx-chat-messagebubble:last-child .dx-bubble-button-container {
+  display: flex;
+  gap: 4px;
+  margin-top: 8px;
+}
+
+.dx-chat-messagebubble-content > div > p:first-child {
+  margin-top: 0;
+}
+
+.dx-chat-messagebubble-content > div > p:last-child {
+  margin-bottom: 0;
+}
+
+.dx-chat-messagebubble-content ol,
+.dx-chat-messagebubble-content ul {
+  white-space: normal;
+}
+
+.dx-chat-messagebubble-content h1,
+.dx-chat-messagebubble-content h2,
+.dx-chat-messagebubble-content h3,
+.dx-chat-messagebubble-content h4,
+.dx-chat-messagebubble-content h5,
+.dx-chat-messagebubble-content h6 {
+  font-size: revert;
+  font-weight: revert;
+}
diff --git a/apps/demos/menuMeta.json b/apps/demos/menuMeta.json
@@ -2076,6 +2076,19 @@
             ]
           }
         ]
+      },
+      {
+        "Name": "AI and Chatbot Integration",
+        "Equivalents": "AI, Chatbot, Assistant",
+        "Demos": [
+          {
+            "Title": "AI and Chatbot Integration",
+            "Name": "AIAndChatbotIntegration",
+            "Widget": "Chat",
+            "DemoType": "Web",
+            "Badge": "New"
+          }
+        ]
       }
     ]
   },

diff --git a/apps/demos/testing/etalons/Chat-AIAndChatbotIntegration (fluent.blue.light).png b/apps/demos/testing/etalons/Chat-AIAndChatbotIntegration (fluent.blue.light).png
diff --git a/apps/demos/testing/etalons/Chat-AIAndChatbotIntegration (material.blue.light).png b/apps/demos/testing/etalons/Chat-AIAndChatbotIntegration (material.blue.light).png
diff --git a/apps/demos/testing/etalons/Chat-AIAndChatbotIntegration.png b/apps/demos/testing/etalons/Chat-AIAndChatbotIntegration.png
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Chat is an interactive interface that allows users to send and receive messages in real time.