feat: update backend OCR parser, web app, mobile app camera/preview UI, tests, and documentation with sample images

backend/pfm-web-app/import_sku.js

@@ -0,0 +1,114 @@
+const fs = require('fs');
+const path = require('path');
+const { Client } = require('pg');
+
+async function main() {
+  console.log('=== STARTING SKU MASTER TSV IMPORT ===');
+  
+  const client = new Client({
+    host: 'paddleocr-db',
+    port: 5432,
+    user: 'postgres',
+    password: 'postgres',
+    database: 'dopfm'
+  });
+
+  try {
+    await client.connect();
+    console.log('Connected to database.');
+
+    // 1. Alter table to add new packaging columns if they don't exist
+    console.log('Ensuring table schema has new packaging columns...');
+    await client.query(`
+      ALTER TABLE sku_master ADD COLUMN IF NOT EXISTS standar_jumlah VARCHAR(50);
+      ALTER TABLE sku_master ADD COLUMN IF NOT EXISTS berat_kemasan NUMERIC(10, 3);
+      ALTER TABLE sku_master ADD COLUMN IF NOT EXISTS isi_outer_kg NUMERIC(10, 3);
+      ALTER TABLE sku_master ADD COLUMN IF NOT EXISTS isi_outer_pac INTEGER;
+      ALTER TABLE sku_master ADD COLUMN IF NOT EXISTS jenis_outer VARCHAR(50);
+    `);
+    console.log('Table schema verified/updated.');
+
+    // 2. Truncate old data
+    console.log('Clearing old SKU master data...');
+    await client.query('TRUNCATE TABLE sku_master RESTART IDENTITY CASCADE');
+    console.log('Old SKU master data cleared.');
+
+    // 3. Read and parse TSV file
+    const tsvPath = path.join(__dirname, 'sku_master.tsv');
+    if (!fs.existsSync(tsvPath)) {
+      throw new Error(`File not found at ${tsvPath}`);
+    }
+
+    const tsvContent = fs.readFileSync(tsvPath, 'utf8');
+    const lines = tsvContent.split(/\r?\n/);
+    
+    let insertCount = 0;
+    let skipCount = 0;
+
+    console.log(`Parsing ${lines.length} lines from TSV...`);
+
+    // We start from line 5 (0-indexed 4 is the header row, lines before are title headers)
+    for (let i = 5; i < lines.length; i++) {
+      const line = lines[i].trim();
+      if (!line) continue;
+
+      const cols = line.split('\t').map(c => c.trim());
+      if (cols.length < 3) {
+        skipCount++;
+        continue;
+      }
+
+      const noSku = cols[1];
+      const namaItem = cols[2];
+
+      // Verify SKU code format (must be standard 8-digit)
+      if (!noSku || !/^\d{8}$/.test(noSku)) {
+        skipCount++;
+        continue;
+      }
+
+      const standarJumlah = cols[3] || null;
+      
+      // Parse numeric columns
+      const beratKemasan = cols[4] ? parseFloat(cols[4].replace(',', '.')) : null;
+      const isiOuterKg = cols[5] ? parseFloat(cols[5].replace(',', '.')) : null;
+      const isiOuterPac = cols[6] ? parseInt(cols[6], 10) : null;
+      const jenisOuter = cols[7] || null;
+
+      await client.query(`
+        INSERT INTO sku_master (
+          no_sku, nama_item, standar_jumlah, berat_kemasan, isi_outer_kg, isi_outer_pac, jenis_outer
+        ) VALUES ($1, $2, $3, $4, $5, $6, $7)
+        ON CONFLICT (no_sku) DO UPDATE SET
+          nama_item = EXCLUDED.nama_item,
+          standar_jumlah = EXCLUDED.standar_jumlah,
+          berat_kemasan = EXCLUDED.berat_kemasan,
+          isi_outer_kg = EXCLUDED.isi_outer_kg,
+          isi_outer_pac = EXCLUDED.isi_outer_pac,
+          jenis_outer = EXCLUDED.jenis_outer
+      `, [
+        noSku,
+        namaItem,
+        standarJumlah,
+        isNaN(beratKemasan) ? null : beratKemasan,
+        isNaN(isiOuterKg) ? null : isiOuterKg,
+        isNaN(isiOuterPac) ? null : isiOuterPac,
+        jenisOuter
+      ]);
+
+      insertCount++;
+    }
+
+    console.log(`\nImport Completed Successfully:`);
+    console.log(`- Inserted/Updated: ${insertCount} SKU records`);
+    console.log(`- Skipped (headers/invalid): ${skipCount} lines`);
+
+  } catch (err) {
+    console.error('Import process failed:', err);
+  } finally {
+    await client.end();
+    console.log('Database connection closed.');
+  }
+}
+
+main();