Add UI SQS message send/list/delete features

ui/package.json

@@ -44,5 +44,6 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
-  }
+  },
+  "proxy": "http://localhost:9324"
 }

ui/src/App.tsx

@@ -1,8 +1,13 @@
 import React from "react";
 import Main from "./Main/Main";
+import { SnackbarProvider } from "./context/SnackbarContext";
 
 function App() {
-    return <Main/>
+  return (
+    <SnackbarProvider>
+      <Main />
+    </SnackbarProvider>
+  );
 }
 
 export default App;

ui/src/Main/Main.tsx

@@ -3,12 +3,12 @@ import NavBar from "../NavBar/NavBar";
 import QueuesTable from "../Queues/QueuesTable";
 
 const Main: React.FC = () => {
-    return (
-        <>
-            <NavBar/>
-            <QueuesTable/>
-        </>
-    );
+  return (
+    <>
+      <NavBar />
+      <QueuesTable />
+    </>
+  );
 };
 
-export default Main;
+export default Main;

ui/src/Queues/NewMessageModal.tsx

@@ -0,0 +1,90 @@
+import React, { useState } from "react";
+import {
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  TextField,
+  Button,
+} from "@material-ui/core";
+import { useSnackbar } from "../context/SnackbarContext";
+
+import { sendMessage } from "../services/QueueService";
+import getErrorMessage from "../utils/getErrorMessage";
+
+interface NewMessageModalProps {
+  open: boolean;
+  onClose: () => void;
+  queueName: string;
+}
+
+const NewMessageModal: React.FC<NewMessageModalProps> = ({
+  open,
+  onClose,
+  queueName,
+}) => {
+  const [messageBody, setMessageBody] = useState("");
+  const [loading, setLoading] = useState(false);
+  const { showSnackbar } = useSnackbar();
+
+  const handleSendMessage = async () => {
+    if (!messageBody.trim()) {
+      showSnackbar("Message body cannot be empty");
+      return;
+    }
+
+    setLoading(true);
+    try {
+      await sendMessage(queueName, messageBody);
+      showSnackbar("Message sent successfully!");
+      setMessageBody("");
+      onClose();
+    } catch (error) {
+      const errorMessage = getErrorMessage(error);
+      showSnackbar(`Failed to send message: ${errorMessage}`);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleClose = () => {
+    setMessageBody("");
+    onClose();
+  };
+
+  return (
+    <Dialog open={open} onClose={handleClose} maxWidth="md" fullWidth>
+      <DialogTitle>New Message - {queueName}</DialogTitle>
+      <DialogContent>
+        <TextField
+          autoFocus
+          margin="dense"
+          label="Message Body"
+          type="text"
+          fullWidth
+          multiline
+          rows={6}
+          variant="outlined"
+          value={messageBody}
+          onChange={(e) => setMessageBody(e.target.value)}
+          placeholder="Enter your message body here..."
+        />
+      </DialogContent>
+      <DialogActions>
+        <Button onClick={handleClose} color="secondary">
+          Cancel
+        </Button>
+        <Button
+          onClick={handleSendMessage}
+          color="primary"
+          variant="contained"
+          disabled={loading}
+        >
+          {loading ? "Sending..." : "Send"}
+        </Button>
+      </DialogActions>
+    </Dialog>
+  );
+};
+
+export default NewMessageModal;

ui/src/Queues/QueueMessageData.ts

@@ -1,25 +1,43 @@
 interface QueueMessagesData {
-    queueName: string;
-    currentMessagesNumber: number;
-    delayedMessagesNumber: number;
-    notVisibleMessagesNumber: number;
-    isOpened: boolean
+  queueName: string;
+  currentMessagesNumber: number;
+  delayedMessagesNumber: number;
+  notVisibleMessagesNumber: number;
+  isOpened: boolean;
+  messages?: QueueMessage[];
+  messagesLoading?: boolean;
+  messagesError?: string | null;
 }
 
 interface QueueStatistic {
-    name: string;
-    statistics: Statistics;
+  name: string;
+  statistics: Statistics;
 }
 
 interface Statistics {
-    approximateNumberOfVisibleMessages: number;
-    approximateNumberOfMessagesDelayed: number;
-    approximateNumberOfInvisibleMessages: number;
+  approximateNumberOfVisibleMessages: number;
+  approximateNumberOfMessagesDelayed: number;
+  approximateNumberOfInvisibleMessages: number;
 }
 
 interface QueueRedrivePolicyAttribute {
-    deadLetterTargetArn: string,
-    maxReceiveCount: number
+  deadLetterTargetArn: string;
+  maxReceiveCount: number;
 }
 
-export type {QueueMessagesData, QueueStatistic, QueueRedrivePolicyAttribute}
+interface QueueMessage {
+  messageId: string;
+  body: string;
+  sentTimestamp: string;
+  receiptHandle?: string;
+  attributes?: Record<string, string>;
+  messageAttributes?: Record<string, unknown>;
+  isExpanded?: boolean;
+}
+
+export type {
+  QueueMessagesData,
+  QueueStatistic,
+  QueueRedrivePolicyAttribute,
+  QueueMessage,
+};

ui/src/Queues/QueueMessagesList.test.tsx

@@ -0,0 +1,114 @@
+import React from "react";
+import { screen } from "@testing-library/react";
+import QueueMessagesList from "./QueueMessagesList";
+import { QueueMessage } from "./QueueMessageData";
+import { renderWithSnackbarProvider } from "../tests/utils";
+
+const mockUpdateMessageExpandedState = jest.fn();
+const mockOnRefreshMessages = jest.fn();
+
+describe("<QueueMessagesList /> - New Features", () => {
+  describe("HTML Entity Decoding (New Feature)", () => {
+    test("decodes HTML entities in message body preview", () => {
+      const messageWithEntities: QueueMessage[] = [
+        {
+          messageId: "msg-html-entities",
+          body: "&quot;organizationId&quot;:&quot;test&quot;",
+          sentTimestamp: "1609459200000",
+        },
+      ];
+
+      renderWithSnackbarProvider(
+        <QueueMessagesList
+          queueName="test-queue"
+          messages={messageWithEntities}
+          loading={false}
+          error={null}
+          updateMessageExpandedState={mockUpdateMessageExpandedState}
+        />
+      );
+
+      // Should display decoded version in preview
+      expect(screen.getByText('"organizationId":"test"')).toBeInTheDocument();
+    });
+
+    test("decodes HTML entities in full message body when expanded", () => {
+      const messageWithEntities: QueueMessage[] = [
+        {
+          messageId: "msg-html-entities",
+          body: "&quot;data&quot;:&quot;value&quot;&amp;&lt;test&gt;",
+          sentTimestamp: "1609459200000",
+        },
+      ];
+
+      renderWithSnackbarProvider(
+        <QueueMessagesList
+          queueName="test-queue"
+          messages={messageWithEntities}
+          loading={false}
+          error={null}
+          updateMessageExpandedState={mockUpdateMessageExpandedState}
+        />
+      );
+
+      // Should display decoded version in preview (truncated)
+      expect(screen.getByText('"data":"value"&<test>')).toBeInTheDocument();
+    });
+  });
+
+  describe("Props-based State Management (New Feature)", () => {
+    test("uses messages from props when provided", () => {
+      const propsMessages: QueueMessage[] = [
+        {
+          messageId: "props-msg-1",
+          body: "Message from props",
+          sentTimestamp: "1609459200000",
+        },
+      ];
+
+      renderWithSnackbarProvider(
+        <QueueMessagesList
+          queueName="test-queue"
+          messages={propsMessages}
+          loading={false}
+          error={null}
+          updateMessageExpandedState={mockUpdateMessageExpandedState}
+        />
+      );
+
+      expect(screen.getByText("Messages (1)")).toBeInTheDocument();
+      expect(screen.getByText("Message from props")).toBeInTheDocument();
+    });
+
+    test("shows loading state from props", () => {
+      renderWithSnackbarProvider(
+        <QueueMessagesList
+          queueName="test-queue"
+          messages={[]}
+          loading={true}
+          error={null}
+          updateMessageExpandedState={mockUpdateMessageExpandedState}
+          onRefreshMessages={mockOnRefreshMessages}
+        />
+      );
+
+      expect(screen.getByText("Loading...")).toBeInTheDocument();
+      expect(screen.getByRole("progressbar")).toBeInTheDocument();
+    });
+
+    test("shows error state from props", () => {
+      const errorMessage = "Failed to fetch messages from parent";
+      renderWithSnackbarProvider(
+        <QueueMessagesList
+          queueName="test-queue"
+          messages={[]}
+          loading={false}
+          error={errorMessage}
+          updateMessageExpandedState={mockUpdateMessageExpandedState}
+        />
+      );
+
+      expect(screen.getByText(errorMessage)).toBeInTheDocument();
+    });
+  });
+});