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<!doctype html> |
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<html lang="en"> |
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<head> |
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<title>Upload Reviews or Enter Text</title> |
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<style> |
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body { |
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font-family: Arial, sans-serif; |
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text-align: center; |
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margin: 0; |
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padding: 0; |
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background-color: #f4f4f4; |
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color: #333; |
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} |
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h1, h2 { |
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color: #000000; |
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} |
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form { |
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margin: 20px auto; |
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width: 80%; |
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max-width: 500px; |
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background: #fff; |
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padding: 20px; |
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border: 1px solid #ddd; |
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border-radius: 8px; |
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box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1); |
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} |
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input[type="file"], textarea { |
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width: 100%; |
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margin-bottom: 10px; |
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} |
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input[type="submit"] { |
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background: #000000; |
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color: #fff; |
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border: none; |
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padding: 10px 20px; |
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border-radius: 5px; |
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cursor: pointer; |
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font-size: 16px; |
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} |
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input[type="submit"]:hover { |
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background: #000000; |
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} |
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p, div { |
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margin: 20px; |
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} |
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.footer { |
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font-size: 14px; |
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color: #666; |
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margin-top: 40px; |
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} |
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.error-message { |
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color: red; |
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margin-top: 10px; |
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} |
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.positive { |
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color: green; |
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} |
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.negative { |
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color: blue; |
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} |
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.file-upload-specifications { |
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background-color: #f8f8f8; |
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border: 1px solid #ddd; |
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border-radius: 8px; |
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padding: 15px; |
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margin-top: 20px; |
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margin-bottom: 20px; |
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box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1); |
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} |
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.file-upload-specifications h3 { |
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color: #000000; |
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} |
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.file-upload-specifications p { |
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text-align: justify; |
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} |
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.file-upload-specifications ul { |
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text-align: justify; |
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} |
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</style> |
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<script> |
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function validateFileInput() { |
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var fileInput = document.forms["fileUploadForm"]["file"].value; |
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var errorDiv = document.getElementById("fileError"); |
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if (fileInput === "") { |
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errorDiv.innerHTML = "Please select a file to upload."; |
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return false; |
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} |
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errorDiv.innerHTML = ""; |
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return true; |
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} |
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function validateTextInput() { |
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var textInput = document.forms["textInputForm"]["text"].value.trim(); |
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var errorDiv = document.getElementById("textError"); |
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if (textInput === "") { |
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errorDiv.innerHTML = "Please enter some text for sentiment analysis."; |
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return false; |
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} |
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errorDiv.innerHTML = ""; |
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return true; |
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} |
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</script> |
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</head> |
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<body> |
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<h1>UoB BERT-Based Sentiment Analyzer 1.0</h1> |
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<h2>-Upload File-</h2> |
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<form name="fileUploadForm" action="/uploader" method="post" enctype="multipart/form-data" onsubmit="return validateFileInput()"> |
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<input type="file" name="file"> |
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<input type="submit" value="Upload and Analyze"> |
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<div id="fileError" class="error-message"></div> |
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</form> |
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<h2>Or Enter Text for Sentiment Analysis</h2> |
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<form name="textInputForm" action="/analyze_text" method="post" onsubmit="return validateTextInput()"> |
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<textarea name="text" rows="4" cols="50"></textarea><br> |
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<input type="submit" value="Predict Sentiment"> |
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<div id="textError" class="error-message"></div> |
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</form> |
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<h2>Sentiment:</h2> |
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<p id="sentiment" class="{{ sentiment|lower }}">{{ sentiment }}</p> |
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<script> |
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window.onload = function() { |
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var sentimentElement = document.getElementById('sentiment'); |
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if (sentimentElement) { |
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var sentiment = sentimentElement.textContent.trim().toLowerCase(); |
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if (sentiment === 'positive') { |
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sentimentElement.className = 'positive'; |
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} else if (sentiment === 'negative') { |
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sentimentElement.className = 'negative'; |
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} |
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} |
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}; |
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</script> |
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<div class="file-upload-specifications"> |
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<h3>File Upload Specifications:</h3> |
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<p>Please ensure your file adheres to the following specifications for successful analysis:</p> |
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<ul> |
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<li><strong>File Format:</strong> CSV (Comma-Separated Values)</li> |
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<li><strong>Required Columns:</strong> The file must contain at least one column named 'review'.</li> |
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<li><strong>'review' Column:</strong> This column should contain the text of the reviews or sentiments to be analyzed.</li> |
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<li><strong>Maximum File Size:</strong> [Specify the maximum file size, e.g., 5MB]</li> |
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<li><strong>Encoding:</strong> UTF-8 encoding is recommended for compatibility.</li> |
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<li><strong>Example:</strong> The first column should be named 'review' and contain the review text. Additional columns are optional and will be ignored.</li> |
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</ul> |
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<p>If your file does not meet these specifications, the analysis may not be performed correctly.</p> |
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</div> |
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<a href="/">Back to Home</a> |
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<div class="footer"> |
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Project by Philip Obiorah & Supervised by: Prof. Hongbo Du<br> |
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Submitted to the University of Buckingham, in partial fulfilment of the requirements for the degree of Master of Science in Applied Data Science.<br> |
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© 2023 University of Buckingham. All rights reserved.<br> |
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<small>Last updated: <time datetime="2023-12-15">December 15, 2023</time>.</small> |
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</div> |
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</body> |
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</html> |
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</html> |
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