extract-chrome-console.js

/**
 * Chrome Console Script to Extract All Data
 * 
 * Instructions:
 * 1. Open Chrome and go to https://landrecords.karnataka.gov.in/service3/
 * 2. Open Developer Tools (F12)
 * 3. Go to Console tab
 * 4. Copy and paste this entire script
 * 5. Press Enter
 * 6. Wait for extraction to complete (this will take several minutes)
 * 7. Copy the final output and save it to a file
 */

(async function() {
  console.log('🚀 Starting data extraction...');
  
  const allData = [];
  
  // Get all districts
  const districtSelect = document.querySelector('select[name="ddl_district"]');
  const districts = Array.from(districtSelect.options)
    .filter(opt => opt.value !== '0' && opt.value !== 'All')
    .map(opt => ({
      value: opt.value,
      label: opt.text.trim()
    }));
  
  console.log(`✅ Found ${districts.length} districts`);
  
  // Helper function to wait
  const wait = (ms) => new Promise(resolve => setTimeout(resolve, ms));
  
  // Helper function to trigger change event
  const triggerChange = (element) => {
    const event = new Event('change', { bubbles: true });
    element.dispatchEvent(event);
  };
  
  for (let i = 0; i < districts.length; i++) {
    const district = districts[i];
    console.log(`\n[${i + 1}/${districts.length}] Processing: ${district.label}`);
    
    // Select district
    districtSelect.value = district.value;
    triggerChange(districtSelect);
    await wait(3000); // Wait for taluks to load
    
    // Get taluks
    const talukSelect = document.querySelector('select[name="ddl_taluk"]');
    const taluks = Array.from(talukSelect.options)
      .filter(opt => opt.value !== '0' && opt.value !== 'All' && opt.value !== '--Select--')
      .map(opt => ({
        value: opt.value,
        label: opt.text.trim()
      }));
    
    console.log(`  📍 Found ${taluks.length} taluks`);
    
    const districtData = {
      value: district.value,
      label: district.label,
      taluks: []
    };
    
    for (let j = 0; j < taluks.length; j++) {
      const taluk = taluks[j];
      console.log(`    [${j + 1}/${taluks.length}] Processing taluk: ${taluk.label}`);
      
      // Select taluk
      talukSelect.value = taluk.value;
      triggerChange(talukSelect);
      await wait(3000); // Wait for hoblis to load
      
      // Get hoblis
      const hobliSelect = document.querySelector('select[name="ddl_hobli"]');
      const hoblis = Array.from(hobliSelect.options)
        .filter(opt => opt.value !== '0' && opt.value !== 'All' && opt.value !== '--Select--')
        .map(opt => ({
          value: opt.value,
          label: opt.text.trim()
        }));
      
      console.log(`      ✅ Found ${hoblis.length} hoblis`);
      
      districtData.taluks.push({
        value: taluk.value,
        label: taluk.label,
        hoblis: hoblis.map(h => ({
          value: h.value,
          label: h.label,
          villages: [] // Villages are text input
        }))
      });
      
      await wait(500); // Small delay
    }
    
    allData.push(districtData);
    console.log(`  ✅ Completed district: ${district.label}`);
    
    await wait(1000); // Delay between districts
  }
  
  console.log('\n🎉 Extraction complete!');
  console.log('\n📋 Final Data:');
  console.log(JSON.stringify(allData, null, 2));
  
  // Also copy to clipboard (if supported)
  const dataStr = JSON.stringify(allData, null, 2);
  navigator.clipboard.writeText(dataStr).then(() => {
    console.log('\n✅ Data copied to clipboard!');
  }).catch(() => {
    console.log('\n⚠️  Could not copy to clipboard. Please copy the JSON above manually.');
  });
  
  return allData;
})();