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f6e574f 25bda12 f6e574f 25bda12 f6e574f 25bda12 f6e574f 25bda12 f6e574f 25bda12 f6e574f 25bda12 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 | import React, { useState } from "react";
export default function App() {
const [file, setFile] = useState(null);
const [loading, setLoading] = useState(false);
const [result, setResult] = useState(null);
const [error, setError] = useState(null);
const handleFileChange = (e) => {
const selectedFile = e.target.files[0];
if (selectedFile) {
if (selectedFile.type !== "application/pdf") {
setError("Please select a PDF file");
setFile(null);
return;
}
setFile(selectedFile);
setError(null);
setResult(null);
}
};
const handleClassify = async () => {
if (!file) {
setError("Please select a PDF file first");
return;
}
setLoading(true);
setError(null);
setResult(null);
const formData = new FormData();
formData.append("file", file);
try {
const response = await fetch("/api/classify", {
method: "POST",
body: formData,
});
if (!response.ok) {
const errorData = await response.json();
throw new Error(errorData.detail || "Classification failed");
}
const data = await response.json();
setResult(data);
} catch (err) {
setError(err.message || "An error occurred during classification");
} finally {
setLoading(false);
}
};
const handleReset = () => {
setFile(null);
setResult(null);
setError(null);
// Reset file input
const fileInput = document.getElementById("pdf-upload");
if (fileInput) fileInput.value = "";
};
return (
<div
style={{
fontFamily: "system-ui, -apple-system, sans-serif",
maxWidth: "800px",
margin: "0 auto",
padding: "24px",
lineHeight: 1.6,
}}
>
<div style={{ textAlign: "center", marginBottom: "32px" }}>
<h1 style={{ margin: "0 0 8px 0", color: "#1a1a1a" }}>
📄 Document Classifier
</h1>
<p style={{ color: "#666", margin: "0" }}>
Upload a PDF file to classify its document type using BERT-tiny
</p>
</div>
<div
style={{
border: "2px dashed #ddd",
borderRadius: "12px",
padding: "32px",
textAlign: "center",
backgroundColor: "#fafafa",
marginBottom: "24px",
}}
>
<input
id="pdf-upload"
type="file"
accept=".pdf"
onChange={handleFileChange}
style={{ display: "none" }}
/>
<label
htmlFor="pdf-upload"
style={{
display: "inline-block",
padding: "12px 24px",
backgroundColor: "#4f46e5",
color: "white",
borderRadius: "8px",
cursor: "pointer",
fontSize: "16px",
fontWeight: "500",
marginBottom: "16px",
transition: "background-color 0.2s",
}}
onMouseOver={(e) => (e.target.style.backgroundColor = "#4338ca")}
onMouseOut={(e) => (e.target.style.backgroundColor = "#4f46e5")}
>
{file ? "Change PDF File" : "Select PDF File"}
</label>
{file && (
<div style={{ marginTop: "16px" }}>
<p style={{ margin: "8px 0", color: "#333" }}>
<strong>Selected:</strong> {file.name}
</p>
<p style={{ margin: "4px 0", color: "#666", fontSize: "14px" }}>
Size: {(file.size / 1024).toFixed(2)} KB
</p>
</div>
)}
<div style={{ marginTop: "24px" }}>
<button
onClick={handleClassify}
disabled={!file || loading}
style={{
padding: "12px 32px",
fontSize: "16px",
fontWeight: "600",
backgroundColor: file && !loading ? "#10b981" : "#9ca3af",
color: "white",
border: "none",
borderRadius: "8px",
cursor: file && !loading ? "pointer" : "not-allowed",
transition: "background-color 0.2s",
}}
onMouseOver={(e) => {
if (file && !loading) {
e.target.style.backgroundColor = "#059669";
}
}}
onMouseOut={(e) => {
if (file && !loading) {
e.target.style.backgroundColor = "#10b981";
}
}}
>
{loading ? "Classifying..." : "Classify Document"}
</button>
{file && (
<button
onClick={handleReset}
disabled={loading}
style={{
padding: "12px 24px",
fontSize: "16px",
fontWeight: "500",
backgroundColor: "transparent",
color: "#666",
border: "1px solid #ddd",
borderRadius: "8px",
cursor: loading ? "not-allowed" : "pointer",
marginLeft: "12px",
}}
>
Reset
</button>
)}
</div>
</div>
{error && (
<div
style={{
padding: "16px",
backgroundColor: "#fee2e2",
border: "1px solid #fecaca",
borderRadius: "8px",
color: "#991b1b",
marginBottom: "24px",
}}
>
<strong>Error:</strong> {error}
</div>
)}
{result && (
<div
style={{
padding: "24px",
backgroundColor: "#f0fdf4",
border: "2px solid #86efac",
borderRadius: "12px",
marginBottom: "24px",
}}
>
<h2 style={{ margin: "0 0 16px 0", color: "#166534" }}>
Classification Result
</h2>
<div
style={{
backgroundColor: "white",
padding: "20px",
borderRadius: "8px",
marginBottom: "16px",
}}
>
<div style={{ marginBottom: "12px" }}>
<span style={{ color: "#666", fontSize: "14px" }}>
Document Type:
</span>
<div
style={{
fontSize: "24px",
fontWeight: "700",
color: "#10b981",
marginTop: "4px",
textTransform: "capitalize",
}}
>
{result.classification.document_type}
</div>
</div>
<div style={{ marginBottom: "12px" }}>
<span style={{ color: "#666", fontSize: "14px" }}>
Confidence:
</span>
<div
style={{
fontSize: "20px",
fontWeight: "600",
color: "#059669",
marginTop: "4px",
}}
>
{(result.classification.confidence * 100).toFixed(1)}%
</div>
</div>
<div style={{ marginTop: "16px", paddingTop: "16px", borderTop: "1px solid #e5e7eb" }}>
<span style={{ color: "#666", fontSize: "14px" }}>
File: {result.filename}
</span>
<br />
<span style={{ color: "#666", fontSize: "14px" }}>
Text Length: {result.text_length.toLocaleString()} characters
</span>
</div>
</div>
{result.classification.all_scores && (
<div>
<h3 style={{ margin: "0 0 12px 0", fontSize: "16px", color: "#166534" }}>
Top 5 Classifications:
</h3>
<div style={{ backgroundColor: "white", padding: "16px", borderRadius: "8px" }}>
{Object.entries(result.classification.all_scores).map(
([type, score]) => (
<div
key={type}
style={{
display: "flex",
justifyContent: "space-between",
alignItems: "center",
padding: "8px 0",
borderBottom: "1px solid #f3f4f6",
}}
>
<span style={{ textTransform: "capitalize", color: "#374151" }}>
{type}
</span>
<span
style={{
fontWeight: "600",
color: type === result.classification.document_type ? "#10b981" : "#6b7280",
}}
>
{(score * 100).toFixed(1)}%
</span>
</div>
)
)}
</div>
</div>
)}
</div>
)}
{loading && (
<div style={{ textAlign: "center", padding: "24px" }}>
<div
style={{
display: "inline-block",
width: "40px",
height: "40px",
border: "4px solid #e5e7eb",
borderTop: "4px solid #4f46e5",
borderRadius: "50%",
animation: "spin 1s linear infinite",
}}
/>
<p style={{ marginTop: "16px", color: "#666" }}>
Processing your document...
</p>
</div>
)}
</div>
);
}
|