657 lines
28 KiB
JavaScript
657 lines
28 KiB
JavaScript
const csv = require('csv-parse');
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const { Readable } = require('stream');
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const nocodbService = require('../services/nocodb');
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const { forwardGeocode } = require('../services/geocoding');
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const logger = require('../utils/logger');
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const config = require('../config');
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// In-memory storage for processing results (in production, use Redis or database)
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const processingResults = new Map();
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class DataConvertController {
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constructor() {
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// Bind methods to preserve 'this' context
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this.processCSV = this.processCSV.bind(this);
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this.parseCSV = this.parseCSV.bind(this);
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this.saveGeocodedData = this.saveGeocodedData.bind(this);
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this.downloadReport = this.downloadReport.bind(this);
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}
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// Process CSV upload and geocode addresses with SSE progress updates
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async processCSV(req, res) {
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try {
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if (!req.file) {
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return res.status(400).json({
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success: false,
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error: 'No file uploaded'
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});
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}
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// Store the filename for later use in notes
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const originalFilename = req.file.originalname;
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const sessionId = Date.now().toString(); // Simple session ID for storing results
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// Set up SSE headers
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res.writeHead(200, {
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'Content-Type': 'text/event-stream',
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'Cache-Control': 'no-cache',
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'Connection': 'keep-alive',
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'X-Accel-Buffering': 'no' // Disable Nginx buffering
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});
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// Parse CSV
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const results = await this.parseCSV(req.file.buffer);
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if (!results || results.length === 0) {
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res.write(`data: ${JSON.stringify({ type: 'error', message: 'CSV file is empty or invalid' })}\n\n`);
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res.end();
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return;
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}
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// Validate required address field
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const hasAddressField = results[0].hasOwnProperty('address') ||
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results[0].hasOwnProperty('Address') ||
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results[0].hasOwnProperty('ADDRESS');
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if (!hasAddressField) {
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res.write(`data: ${JSON.stringify({ type: 'error', message: 'CSV must contain an "address" column' })}\n\n`);
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res.end();
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return;
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}
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// Send initial progress
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res.write(`data: ${JSON.stringify({
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type: 'start',
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total: results.length
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})}\n\n`);
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res.flush && res.flush();
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// Process all addresses
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const processedData = [];
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const allResults = []; // Store ALL results for report generation
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const errors = [];
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const total = results.length;
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// Process each address with progress updates
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for (let i = 0; i < results.length; i++) {
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const row = results[i];
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// Extract address - with better validation
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const addressField = row.address || row.Address || row.ADDRESS ||
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row.street_address || row['Street Address'] ||
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row.full_address || row['Full Address'];
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// Extract unit number if available
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const unitField = row.unit || row.Unit || row.UNIT ||
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row.unit_number || row['Unit Number'] || row.unit_no;
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if (!addressField || addressField.trim() === '') {
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logger.warn(`Row ${i + 1}: Empty or missing address field`);
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const errorRow = {
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...row,
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latitude: '',
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longitude: '',
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'Geo-Location': '',
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geocoded_address: '',
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geocode_success: false,
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geocode_status: 'FAILED',
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geocode_error: 'Missing address field',
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csv_filename: originalFilename,
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row_number: i + 1
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};
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allResults.push(errorRow);
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errors.push({
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index: i,
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address: 'No address provided',
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error: 'Missing address field'
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});
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// Send progress update
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res.write(`data: ${JSON.stringify({
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type: 'progress',
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current: i + 1,
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total: total,
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currentAddress: 'No address - skipping',
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status: 'failed'
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})}\n\n`);
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res.flush && res.flush();
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continue; // Skip to next row
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}
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// Construct full address with unit if available
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let address = addressField.trim();
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if (unitField && unitField.toString().trim()) {
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const unit = unitField.toString().trim();
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// Add unit prefix if it doesn't already exist
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if (!unit.toLowerCase().startsWith('unit') &&
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!unit.toLowerCase().startsWith('apt') &&
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!unit.toLowerCase().startsWith('#')) {
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address = `Unit ${unit}, ${address}`;
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} else {
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address = `${unit}, ${address}`;
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}
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} // Send progress update
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res.write(`data: ${JSON.stringify({
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type: 'progress',
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current: i + 1,
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total: total,
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currentAddress: address,
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status: 'processing'
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})}\n\n`);
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res.flush && res.flush();
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try {
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logger.info(`Geocoding ${i + 1}/${total}: ${address}`);
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// Geocode the address
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const geocodeResult = await forwardGeocode(address);
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if (geocodeResult && geocodeResult.coordinates) {
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// Check if result is malformed
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const isMalformed = geocodeResult.validation && geocodeResult.validation.isMalformed;
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const confidence = geocodeResult.validation ? geocodeResult.validation.confidence : 100;
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const warnings = geocodeResult.validation ? geocodeResult.validation.warnings : [];
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const processedRow = {
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...row,
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latitude: geocodeResult.coordinates.lat,
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longitude: geocodeResult.coordinates.lng,
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'Geo-Location': `${geocodeResult.coordinates.lat};${geocodeResult.coordinates.lng}`,
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geocoded_address: geocodeResult.formattedAddress || address,
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geocode_success: true,
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geocode_status: isMalformed ? 'WARNING' : 'SUCCESS',
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geocode_error: '',
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confidence_score: confidence,
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warnings: warnings.join('; '),
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is_malformed: isMalformed,
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provider: geocodeResult.provider || 'Unknown',
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csv_filename: originalFilename,
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row_number: i + 1
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};
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processedData.push(processedRow);
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allResults.push(processedRow);
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// Send success update with status
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const successMessage = {
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type: 'geocoded',
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data: processedRow,
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index: i,
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status: isMalformed ? 'warning' : 'success',
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confidence: confidence,
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warnings: warnings
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};
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const successJson = JSON.stringify(successMessage);
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logger.info(`Successfully geocoded: ${address} (Confidence: ${confidence}%)`);
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res.write(`data: ${successJson}\n\n`);
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res.flush && res.flush();
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} else {
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throw new Error('Geocoding failed - no coordinates returned');
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}
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} catch (error) {
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logger.error(`Failed to geocode address: ${address}`, error.message);
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// Create error row with original data plus error info
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const errorRow = {
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...row,
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latitude: '',
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longitude: '',
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'Geo-Location': '',
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geocoded_address: '',
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geocode_success: false,
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geocode_status: 'FAILED',
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geocode_error: error.message,
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confidence_score: 0,
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warnings: '',
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is_malformed: false,
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csv_filename: originalFilename,
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row_number: i + 1
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};
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allResults.push(errorRow);
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const errorData = {
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index: i,
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address: address,
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error: error.message
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};
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errors.push(errorData);
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// Send error update
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const errorMessage = {
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type: 'error',
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data: errorData
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};
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const errorJson = JSON.stringify(errorMessage);
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logger.debug(`Sending error update: ${errorJson.length} chars`);
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res.write(`data: ${errorJson}\n\n`);
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res.flush && res.flush(); // Ensure data is sent immediately
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}
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// Add delay to avoid rate limiting
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await new Promise(resolve => setTimeout(resolve, 2000));
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}
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// Store processing results for report generation
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const successful = processedData.filter(r => r.geocode_status === 'SUCCESS').length;
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const warnings = processedData.filter(r => r.geocode_status === 'WARNING').length;
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const failed = errors.length;
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const malformed = processedData.filter(r => r.is_malformed).length;
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processingResults.set(sessionId, {
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filename: originalFilename,
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timestamp: new Date().toISOString(),
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allResults: allResults,
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summary: {
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total: total,
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successful: successful,
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warnings: warnings,
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failed: failed,
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malformed: malformed
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}
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});
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// Send completion
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const completeMessage = {
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type: 'complete',
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processed: processedData.length,
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successful: successful,
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warnings: warnings,
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errors: errors.length,
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malformed: malformed,
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total: total,
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sessionId: sessionId // Include session ID for report download
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};
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const completeJson = JSON.stringify(completeMessage);
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logger.info(`Sending completion message: ${completeJson.length} chars`);
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res.write(`data: ${completeJson}\n\n`);
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res.flush && res.flush(); // Ensure data is sent immediately
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res.end();
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} catch (error) {
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logger.error('CSV processing error:', error);
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res.write(`data: ${JSON.stringify({
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type: 'fatal_error',
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message: 'Failed to process CSV file',
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error: error.message
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})}\n\n`);
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res.end();
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}
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}
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// Parse CSV buffer into array of objects
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async parseCSV(buffer) {
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return new Promise((resolve, reject) => {
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const results = [];
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const stream = Readable.from(buffer);
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stream
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.pipe(csv.parse({
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columns: true,
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skip_empty_lines: true,
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trim: true
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}))
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.on('data', (data) => results.push(data))
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.on('error', reject)
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.on('end', () => resolve(results));
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});
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}
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// Enhanced save method that transforms data to match locations table structure
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async saveGeocodedData(req, res) {
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try {
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const { data } = req.body;
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if (!data || !Array.isArray(data)) {
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return res.status(400).json({
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success: false,
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error: 'Invalid data format'
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});
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}
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const results = {
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success: 0,
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failed: 0,
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errors: []
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};
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// Process each location
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for (const location of data) {
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try {
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// Transform to match locations table structure
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// Preserve original address, don't overwrite with geocoded address
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const originalAddress = location.address || location.Address || location.ADDRESS;
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const geocodedAddress = location.geocoded_address;
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const locationData = {
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'Geo-Location': location['Geo-Location'],
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latitude: parseFloat(location.latitude),
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longitude: parseFloat(location.longitude),
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Address: originalAddress, // Always use the original address from CSV
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created_by_user: req.session.userEmail || 'csv_import',
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last_updated_by_user: req.session.userEmail || 'csv_import'
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};
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// Track if geocoded address differs from original
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const addressDiffers = geocodedAddress &&
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geocodedAddress.toLowerCase() !== originalAddress.toLowerCase();
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// Map CSV fields to NocoDB fields
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const fieldMapping = {
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'first name': 'First Name',
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'firstname': 'First Name',
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'first_name': 'First Name',
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'last name': 'Last Name',
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'lastname': 'Last Name',
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'last_name': 'Last Name',
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'email': 'Email',
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'phone': 'Phone',
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'unit': 'Unit Number',
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'unit number': 'Unit Number',
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'unit_number': 'Unit Number',
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'support level': 'Support Level',
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'support_level': 'Support Level',
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'sign': 'Sign',
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'sign size': 'Sign Size',
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'sign_size': 'Sign Size',
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'notes': 'Notes'
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};
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// Process all fields from CSV
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Object.keys(location).forEach(key => {
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const lowerKey = key.toLowerCase();
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// Skip already processed fields
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if (['latitude', 'longitude', 'geo-location', 'geocoded_address', 'geocode_success', 'address', 'csv_filename'].includes(lowerKey)) {
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return;
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}
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// Check if we have a mapping for this field
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if (fieldMapping[lowerKey]) {
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const targetField = fieldMapping[lowerKey];
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// Special handling for certain fields
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if (targetField === 'Sign') {
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// Convert to boolean
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locationData[targetField] = ['true', 'yes', '1', 'y'].includes(String(location[key]).toLowerCase());
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} else if (targetField === 'Support Level') {
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// Ensure it's a string number 1-4
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const level = parseInt(location[key]);
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if (level >= 1 && level <= 4) {
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locationData[targetField] = String(level);
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}
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} else if (targetField === 'Notes') {
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// Build notes with existing content, CSV info, and geocoding info
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const noteParts = [];
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// Add existing notes if present
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if (location[key]) {
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noteParts.push(location[key]);
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}
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// Add CSV import info
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noteParts.push(`Imported from CSV: ${location.csv_filename || 'unknown'}`);
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// Add geocoded address if it differs from original
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if (addressDiffers) {
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noteParts.push(`Geocoded as: ${geocodedAddress}`);
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}
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locationData[targetField] = noteParts.join(' | ');
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} else {
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locationData[targetField] = location[key];
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}
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}
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});
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// If no notes field was found in CSV, add the CSV import info and geocoding info
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if (!locationData['Notes']) {
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const noteParts = [`Imported from CSV: ${location.csv_filename || 'unknown'}`];
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// Add geocoded address if it differs from original
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if (addressDiffers) {
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noteParts.push(`Geocoded as: ${geocodedAddress}`);
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}
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locationData['Notes'] = noteParts.join(' | ');
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}
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// Create location in NocoDB
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const result = await nocodbService.create(config.nocodb.tableId, locationData);
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results.success++;
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logger.debug(`Successfully saved location: ${locationData.Address}`);
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} catch (error) {
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logger.error('Failed to save location:', error);
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logger.error('Location data:', locationData);
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results.failed++;
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results.errors.push({
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address: location.address || location.Address || location.ADDRESS,
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error: error.message
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});
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}
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}
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res.json({
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success: true,
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results: results
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});
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} catch (error) {
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logger.error('Save geocoded data error:', error);
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res.status(500).json({
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success: false,
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error: 'Failed to save locations'
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});
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}
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}
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// Generate and download processing report
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async downloadReport(req, res) {
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try {
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const { sessionId } = req.params;
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if (!sessionId || !processingResults.has(sessionId)) {
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return res.status(404).json({
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success: false,
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error: 'Processing results not found or expired'
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});
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}
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const results = processingResults.get(sessionId);
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const { filename, timestamp, allResults, summary } = results;
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// Generate comprehensive report content
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const reportContent = this.generateComprehensiveReport(allResults, filename, timestamp, summary);
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// Set headers for text download
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const reportFilename = `geocoding-report-${sessionId}.txt`;
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res.setHeader('Content-Type', 'text/plain');
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res.setHeader('Content-Disposition', `attachment; filename="${reportFilename}"`);
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res.setHeader('Cache-Control', 'no-cache');
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logger.info(`Generating comprehensive report for session ${sessionId}: ${allResults.length} records`);
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res.send(reportContent);
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// Clean up stored results after download (optional)
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setTimeout(() => {
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processingResults.delete(sessionId);
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logger.info(`Cleaned up processing results for session ${sessionId}`);
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}, 60000); // Delete after 1 minute
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} catch (error) {
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logger.error('Download report error:', error);
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res.status(500).json({
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success: false,
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error: 'Failed to generate report'
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});
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}
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}
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// Generate comprehensive text report
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generateComprehensiveReport(results, originalFilename, timestamp, summary) {
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let report = `Geocoding Processing Report\n`;
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report += `Generated: ${timestamp}\n`;
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report += `Original File: ${originalFilename}\n`;
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report += `================================\n\n`;
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report += `Summary:\n`;
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report += `- Total Addresses: ${summary.total}\n`;
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report += `- Successfully Geocoded: ${summary.successful}\n`;
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report += `- Warnings (Low Confidence): ${summary.warnings}\n`;
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report += `- Failed: ${summary.failed}\n`;
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report += `- Potentially Malformed: ${summary.malformed}\n\n`;
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// Section for malformed addresses requiring review
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const malformedResults = results.filter(r => r.is_malformed);
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if (malformedResults.length > 0) {
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report += `ADDRESSES REQUIRING REVIEW (Potentially Malformed):\n`;
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report += `================================================\n`;
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malformedResults.forEach((result, index) => {
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const originalAddress = result.address || result.Address || result.ADDRESS || 'N/A';
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report += `\n${index + 1}. Original: ${originalAddress}\n`;
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report += ` Result: ${result.geocoded_address || 'N/A'}\n`;
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report += ` Confidence: ${result.confidence_score || 0}%\n`;
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if (result.warnings) {
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report += ` Warnings: ${result.warnings}\n`;
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}
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report += ` Coordinates: ${result.latitude || 'N/A'}, ${result.longitude || 'N/A'}\n`;
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report += ` Row: ${result.row_number}\n`;
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});
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report += `\n`;
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}
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// Failed addresses section
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const failedResults = results.filter(r => r.geocode_status === 'FAILED');
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if (failedResults.length > 0) {
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report += `FAILED GEOCODING ATTEMPTS:\n`;
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report += `========================\n`;
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failedResults.forEach((result, index) => {
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const originalAddress = result.address || result.Address || result.ADDRESS || 'N/A';
|
|
report += `\n${index + 1}. Address: ${originalAddress}\n`;
|
|
report += ` Error: ${result.geocode_error}\n`;
|
|
report += ` Row: ${result.row_number}\n`;
|
|
});
|
|
report += `\n`;
|
|
}
|
|
|
|
// Successful geocoding with low confidence
|
|
const lowConfidenceResults = results.filter(r =>
|
|
r.geocode_status === 'SUCCESS' &&
|
|
r.confidence_score &&
|
|
r.confidence_score < 75
|
|
);
|
|
if (lowConfidenceResults.length > 0) {
|
|
report += `LOW CONFIDENCE SUCCESSFUL GEOCODING:\n`;
|
|
report += `==================================\n`;
|
|
lowConfidenceResults.forEach((result, index) => {
|
|
const originalAddress = result.address || result.Address || result.ADDRESS || 'N/A';
|
|
report += `\n${index + 1}. Original: ${originalAddress}\n`;
|
|
report += ` Result: ${result.geocoded_address}\n`;
|
|
report += ` Confidence: ${result.confidence_score}%\n`;
|
|
if (result.warnings) {
|
|
report += ` Warnings: ${result.warnings}\n`;
|
|
}
|
|
report += ` Row: ${result.row_number}\n`;
|
|
});
|
|
report += `\n`;
|
|
}
|
|
|
|
// Summary statistics
|
|
report += `DETAILED STATISTICS:\n`;
|
|
report += `==================\n`;
|
|
report += `Success Rate: ${((summary.successful / summary.total) * 100).toFixed(1)}%\n`;
|
|
report += `Warning Rate: ${((summary.warnings / summary.total) * 100).toFixed(1)}%\n`;
|
|
report += `Failure Rate: ${((summary.failed / summary.total) * 100).toFixed(1)}%\n`;
|
|
report += `Malformed Rate: ${((summary.malformed / summary.total) * 100).toFixed(1)}%\n\n`;
|
|
|
|
// Recommendations
|
|
report += `RECOMMENDATIONS:\n`;
|
|
report += `===============\n`;
|
|
if (summary.malformed > 0) {
|
|
report += `- Review ${summary.malformed} addresses marked as potentially malformed\n`;
|
|
}
|
|
if (summary.failed > 0) {
|
|
report += `- Check ${summary.failed} failed addresses for formatting issues\n`;
|
|
}
|
|
if (summary.warnings > 0) {
|
|
report += `- Verify ${summary.warnings} low confidence results manually\n`;
|
|
}
|
|
report += `- Consider using more specific address formats for better results\n`;
|
|
report += `- Ensure addresses include proper directional indicators (NW, SW, etc.)\n`;
|
|
|
|
return report;
|
|
}
|
|
|
|
// Generate CSV content for the report
|
|
generateReportCSV(allResults, originalFilename, timestamp, summary) {
|
|
if (!allResults || allResults.length === 0) {
|
|
return 'No data available for report generation';
|
|
}
|
|
|
|
// Get all unique field names from the results
|
|
const allFields = new Set();
|
|
allResults.forEach(row => {
|
|
Object.keys(row).forEach(field => allFields.add(field));
|
|
});
|
|
|
|
// Define the header order - put important fields first
|
|
const priorityHeaders = [
|
|
'geocode_status', 'geocode_error', 'address', 'Address',
|
|
'geocoded_address', 'latitude', 'longitude', 'Geo-Location'
|
|
];
|
|
|
|
const otherHeaders = Array.from(allFields).filter(field =>
|
|
!priorityHeaders.includes(field) &&
|
|
!['geocode_success', 'csv_filename'].includes(field)
|
|
).sort();
|
|
|
|
const headers = [...priorityHeaders.filter(h => allFields.has(h)), ...otherHeaders];
|
|
|
|
// Generate CSV header with metadata
|
|
let csvContent = `# Geocoding Processing Report\n`;
|
|
csvContent += `# Original File: ${originalFilename}\n`;
|
|
csvContent += `# Processed: ${timestamp}\n`;
|
|
csvContent += `# Total Records: ${summary.total}\n`;
|
|
csvContent += `# Successful: ${summary.successful}\n`;
|
|
csvContent += `# Failed: ${summary.failed}\n`;
|
|
csvContent += `# \n`;
|
|
|
|
// Add CSV headers
|
|
csvContent += headers.map(header => this.escapeCSVField(header)).join(',') + '\n';
|
|
|
|
// Add data rows
|
|
allResults.forEach(row => {
|
|
const values = headers.map(header => {
|
|
const value = row[header];
|
|
return this.escapeCSVField(value !== undefined && value !== null ? String(value) : '');
|
|
});
|
|
csvContent += values.join(',') + '\n';
|
|
});
|
|
|
|
return csvContent;
|
|
}
|
|
|
|
// Escape CSV fields properly
|
|
escapeCSVField(field) {
|
|
if (field === null || field === undefined) return '';
|
|
|
|
const stringField = String(field);
|
|
|
|
// If field contains comma, quote, or newline, wrap in quotes and escape quotes
|
|
if (stringField.includes(',') || stringField.includes('"') || stringField.includes('\n') || stringField.includes('\r')) {
|
|
return '"' + stringField.replace(/"/g, '""') + '"';
|
|
}
|
|
|
|
return stringField;
|
|
}
|
|
}
|
|
|
|
module.exports = new DataConvertController();
|