PDF Conversion API

import { useState } from 'react';

function useFileConverter() {
  const [loading, setLoading] = useState(false);
  const [progress, setProgress] = useState(0);
  const [error, setError] = useState(null);

  const convertFile = async (file, conversionType) => {
    setLoading(true);
    setError(null);
    setProgress(0);

    try {
      // Upload
      const formData = new FormData();
      formData.append('file', file);
      formData.append('conversion_type', conversionType);

      const response = await fetch('http://localhost:8002/api/v1/convert', {
        method: 'POST',
        body: formData
      });

      if (!response.ok) {
        throw new Error('Upload failed');
      }

      const { task_id } = await response.json();

      // Poll status
      const checkStatus = async () => {
        const statusResponse = await fetch(
          `http://localhost:8002/api/v1/status/${task_id}`
        );
        const data = await statusResponse.json();

        setProgress(data.progress);

        if (data.status === 'completed') {
          // Download
          const downloadUrl = `http://localhost:8002/api/v1/download/${task_id}`;
          const link = document.createElement('a');
          link.href = downloadUrl;
          link.download = `converted_file.pdf`;
          link.click();
          setLoading(false);
          return;
        }

        if (data.status === 'failed') {
          throw new Error(data.error || 'Conversion failed');
        }

        // Continue polling
        setTimeout(checkStatus, 2000);
      };

      await checkStatus();
    } catch (err) {
      setError(err.message);
      setLoading(false);
    }
  };

  return { convertFile, loading, progress, error };
}

import requests
import time

def convert_file(file_path, conversion_type):
    # 1. Upload file
    with open(file_path, 'rb') as f:
        files = {'file': f}
        data = {
            'conversion_type': conversion_type,
            'quality': 95
        }
        response = requests.post(
            'http://localhost:8002/api/v1/convert',
            files=files,
            data=data
        )
    
    task_id = response.json()['task_id']
    print(f"Task created: {task_id}")
    
    # 2. Poll for status
    while True:
        status_response = requests.get(
            f'http://localhost:8002/api/v1/status/{task_id}'
        )
        status_data = status_response.json()
        
        print(f"Status: {status_data['status']}, Progress: {status_data['progress']}%")
        
        if status_data['status'] == 'completed':
            break
        elif status_data['status'] == 'failed':
            raise Exception(status_data['error'])
        
        time.sleep(2)
    
    # 3. Download result
    download_response = requests.get(
        f'http://localhost:8002/api/v1/download/{task_id}'
    )
    
    with open('converted_file.pdf', 'wb') as f:
        f.write(download_response.content)
    
    print("Download complete!")

# Usage
convert_file('document.docx', 'word_to_pdf')

# 1. Convert Word to PDF
TASK_ID=$(curl -X POST "http://localhost:8002/api/v1/convert" \
  -F "file=@document.docx" \
  -F "conversion_type=word_to_pdf" \
  | jq -r '.task_id')

echo "Task ID: $TASK_ID"

# 2. Check status (poll until completed)
while true; do
  STATUS=$(curl -s "http://localhost:8002/api/v1/status/$TASK_ID" | jq -r '.status')
  echo "Status: $STATUS"
  
  if [ "$STATUS" = "completed" ]; then
    break
  elif [ "$STATUS" = "failed" ]; then
    echo "Conversion failed!"
    exit 1
  fi
  
  sleep 2
done

# 3. Download result
curl "http://localhost:8002/api/v1/download/$TASK_ID" -o converted.pdf
echo "Download complete: converted.pdf"