Add pages for upload and download in frontend

frontend/src/components/DownloadPage.js

@@ -0,0 +1,102 @@
+import React, { useState } from "react";
+import axios from "axios";
+import styled from "styled-components";
+
+const Card = styled.div`
+  max-width: 400px;
+  margin-top: 50px;
+  padding: 20px;
+  border-radius: 10px;
+  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
+  background-color: #ffffff;
+`;
+
+const Title = styled.h2`
+  color: #333;
+  font-size: 1.8em;
+  margin-bottom: 15px;
+`;
+
+const Input = styled.input`
+  width: 100%;
+  padding: 12px;
+  margin: 10px 0;
+  border: 1px solid #ccc;
+  border-radius: 6px;
+  font-size: 1em;
+  &:focus {
+    border-color: #28a745;
+  }
+`;
+
+const Button = styled.button`
+  width: 100%;
+  padding: 12px;
+  background-color: #28a745;
+  color: white;
+  font-size: 1.1em;
+  font-weight: bold;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  transition: background-color 0.3s ease;
+  &:hover {
+    background-color: #1c7c2a;
+  }
+`;
+
+function DownloadPage() {
+  const [bucketName, setBucketName] = useState("");
+  const [fileName, setFileName] = useState("");
+
+  const handleDownload = async () => {
+    if (!bucketName || !fileName) {
+      alert("Please fill in all fields");
+      return;
+    }
+
+    try {
+      const response = await axios.get("/file-transfer/download", {
+        params: {
+          bucketName,
+          fileName,
+        },
+        responseType: "blob",
+      });
+
+      const url = window.URL.createObjectURL(new Blob([response.data]));
+      const link = document.createElement("a");
+      link.href = url;
+      link.setAttribute("download", fileName);
+      document.body.appendChild(link);
+      link.click();
+      link.remove();
+    } catch (error) {
+      console.error("Error downloading file:", error);
+      alert("Failed to download the file.");
+    }
+  };
+
+  return (
+    <Card>
+      <Title>Download from S3</Title>
+      <Input
+        type="text"
+        placeholder="Bucket Name"
+        value={bucketName}
+        onChange={(e) => setBucketName(e.target.value)}
+        required
+      />
+      <Input
+        type="text"
+        placeholder="File Name in S3"
+        value={fileName}
+        onChange={(e) => setFileName(e.target.value)}
+        required
+      />
+      <Button onClick={handleDownload}>Download File</Button>
+    </Card>
+  );
+}
+
+export default DownloadPage;

frontend/src/components/UploadPage.js

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+import React, { useState } from "react";
+import axios from "axios";
+import styled from "styled-components";
+
+const Card = styled.div`
+  max-width: 400px;
+  margin-top: 50px;
+  padding: 20px;
+  border-radius: 10px;
+  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
+  background-color: #ffffff;
+`;
+
+const Title = styled.h2`
+  color: #333;
+  font-size: 1.8em;
+  margin-bottom: 15px;
+`;
+
+const Input = styled.input`
+  width: 100%;
+  padding: 12px;
+  margin: 10px 0;
+  border: 1px solid #ccc;
+  border-radius: 6px;
+  font-size: 1em;
+  &:focus {
+    border-color: #28a745;
+  }
+`;
+
+const Button = styled.button`
+  width: 100%;
+  padding: 12px;
+  background-color: #28a745;
+  color: white;
+  font-size: 1.1em;
+  font-weight: bold;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  transition: background-color 0.3s ease;
+  &:hover {
+    background-color: #1c7c2a;
+  }
+`;
+
+function UploadPage() {
+  const [file, setFile] = useState(null);
+  const [bucketName, setBucketName] = useState("");
+  const [fileName, setFileName] = useState("");
+
+  const handleFileChange = (e) => {
+    setFile(e.target.files[0]);
+  };
+
+  const handleUpload = async () => {
+    if (!file || !bucketName || !fileName) {
+      alert("Please fill in all fields");
+      return;
+    }
+
+    const formData = new FormData();
+    formData.append("file", file);
+    formData.append("bucketName", bucketName);
+    formData.append("fileName", fileName);
+
+    try {
+      const response = await axios.post("/file-transfer/upload", formData);
+      alert(response.data);
+    } catch (error) {
+      console.error("Error uploading file:", error);
+      alert("Failed to upload the file.");
+    }
+  };
+
+  return (
+    <Card>
+      <Title>Upload to S3</Title>
+      <Input type="file" onChange={handleFileChange} />
+      <Input
+        type="text"
+        placeholder="Bucket Name"
+        value={bucketName}
+        onChange={(e) => setBucketName(e.target.value)}
+        required
+      />
+      <Input
+        type="text"
+        placeholder="File Name in S3"
+        value={fileName}
+        onChange={(e) => setFileName(e.target.value)}
+        required
+      />
+      <Button onClick={handleUpload}>Upload File</Button>
+    </Card>
+  );
+}
+
+export default UploadPage;