feat: refactor QuickImportService to remove ReceiptParser and streamline import logic for PDF and image uploads

Co-authored-by: Copilot <copilot@github.com>

backend/src/quick-import/parsers/receipt.parser.ts

@@ -17,6 +17,10 @@ export class ReceiptParser extends RecipeParser {
     return false;
   }
 
+  parse(_html: string): import('./base.parser').ParsedRecipe {
+    throw new Error('ReceiptParser does not support HTML parsing');
+  }
+
   async parseFromPdf(buffer: Buffer): Promise<ParsedReceiptItem[]> {
     try {
       this.logger.log('Parsing PDF receipt...');

backend/src/quick-import/quick-import.service.ts

@@ -11,7 +11,6 @@ import * as pdfParse from 'pdf-parse';
 import { createWorker } from 'tesseract.js';
 import { IcaRecipeParser } from './parsers/ica.parser';
 import { GenericRecipeParser } from './parsers/generic.parser';
-import { ReceiptParser } from './parsers/receipt.parser';
 import { RecipeParser } from './parsers/base.parser';
 import { downloadAndOptimizeImage } from '../common/utils/download-image';
 
@@ -24,21 +23,11 @@ export interface QuickImportResult {
   imageWarning?: string;
 }
 
-export interface ReceiptImportResult {
-  items: Array<{
-    name: string;
-    quantity: number;
-    price: number;
-  }>;
-  source: 'pdf' | 'image';
-}
-
 type UploadKind = 'pdf' | 'image';
 
 @Injectable()
 export class QuickImportService {
   private readonly logger = new Logger(QuickImportService.name);
-  private readonly receiptParser = new ReceiptParser();
 
   constructor() {}
 
@@ -75,9 +64,8 @@ export class QuickImportService {
   /**
    * Importerar från en uppladdad fil
    */
-  async importFromUpload(file: Express.Multer.File): Promise<QuickImportResult | ReceiptImportResult> {
-    this.logger.log('MIME-typ:', file.mimetype);
-    this.logger.log('Token:', file.originalname);
+  async importFromUpload(file: Express.Multer.File): Promise<QuickImportResult> {
+    this.logger.log(`MIME-typ: ${file.mimetype}, filnamn: ${file.originalname}`);
     const kind = file.mimetype.startsWith('image/') ? 'image' : 'pdf';
     return this.importFromBuffer(file.buffer, kind);
   }
@@ -88,12 +76,20 @@ export class QuickImportService {
   async importFromBuffer(
     buffer: Buffer,
     kind: UploadKind,
-  ): Promise<QuickImportResult | ReceiptImportResult> {
+  ): Promise<QuickImportResult> {
     try {
       if (kind === 'pdf') {
-        return this.receiptParser.parseFromPdf(buffer);
+        this.logger.log('Parsar PDF med pdf-parse...');
+        const data = await pdfParse(buffer);
+        const markdown = data.text || '(Tom PDF)';
+        return { markdown, source: 'pdf' };
       } else {
-        return this.receiptParser.parseFromImage(buffer);
+        this.logger.log('Parsar bild med tesseract...');
+        const worker = await createWorker('swe+eng');
+        const ret = await worker.recognize(buffer);
+        await worker.terminate();
+        const markdown = ret.data.text || '(Tom bild)';
+        return { markdown, source: 'image' };
       }
     } catch (error) {
       this.logger.error(`Fel vid import av ${kind}: ${error}`);