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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,53 +1,70 @@ | ||
| import unidecode | ||
| from fuzzywuzzy import fuzz | ||
| from thefuzz import process | ||
| from loguru import logger | ||
| from app.models import ProductMatch, ProductPublic | ||
| from typing import List, Optional | ||
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| def find_closest_products_task( | ||
| products: List[ProductPublic] = [], | ||
| products: List[ProductPublic], | ||
| item_name: Optional[str] = None, | ||
| item_price: Optional[float] = None, | ||
| threshold: float = 60.0, | ||
| max_matches: int = 10, | ||
| price_tolerance: float = 0.3, | ||
| ) -> List[ProductMatch]: | ||
| """ | ||
| Task to find closest products based on name and price similarity. | ||
| Find closest products based on name and price similarity using thefuzz process. | ||
| """ | ||
| logger.info( | ||
| f"Processing product matching task for '{item_name}' with price {item_price}" | ||
| ) | ||
| if not products: | ||
| logger.warning("No products provided for matching.") | ||
| return [] | ||
| matches = [] | ||
|
|
||
| for product in products: | ||
| name_score: float = 0.0 | ||
| price_score: float = 0.0 | ||
|
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| if item_name is not None: | ||
| name_score = fuzz.token_set_ratio( | ||
| unidecode.unidecode(item_name.lower()), | ||
| unidecode.unidecode(product.name.lower()), | ||
| ) | ||
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||
| if item_price: | ||
| price_diff = abs(product.price - item_price) | ||
| price_score = max(0, 100 - (price_diff / item_price) * 100) | ||
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| combined_score = (name_score * 0.7) + (price_score * 0.3) | ||
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| if combined_score >= threshold: | ||
| matches.append( | ||
| ProductMatch( | ||
| score=combined_score, product=ProductPublic.model_validate(product) | ||
| matches = [] | ||
| if item_name is not None: | ||
| product_names = [unidecode.unidecode(p.name.lower()) for p in products] | ||
| name_matches = process.extract( | ||
| unidecode.unidecode(item_name.lower()), product_names, limit=len(products) | ||
| ) | ||
| for name, name_score in name_matches: | ||
| index = product_names.index(name) | ||
| product = products[index] | ||
| # Calculate price score if price is provided | ||
| price_score = 100.0 | ||
| if item_price is not None: | ||
| price_diff = abs(product.price - item_price) | ||
| if price_diff / item_price > price_tolerance: | ||
| price_score = 0.0 | ||
| else: | ||
| price_score = max(0, 100 - (price_diff / item_price) * 100) | ||
| # Calculate combined score | ||
| combined_score = (name_score * 0.7) + (price_score * 0.3) | ||
| if combined_score >= threshold: | ||
| matches.append( | ||
| ProductMatch( | ||
| score=combined_score, | ||
| product=ProductPublic.model_validate(product), | ||
| ) | ||
| ) | ||
| ) | ||
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| # Sort matches by score in descending order | ||
| matches.sort(key=lambda x: x.score, reverse=True) | ||
| # Remove duplicate products, keeping the highest scoring match for each product | ||
| unique_matches = [] | ||
| seen_products = set() | ||
| for match in matches: | ||
| if match.product.id not in seen_products: | ||
| unique_matches.append(match) | ||
| seen_products.add(match.product.id) | ||
| # Log debug information | ||
| logger.debug( | ||
| f"Found {len(matches)} matches for item '{item_name}' with price {item_price}" | ||
| f"Found {len(unique_matches)} unique matches for item '{item_name}' with price {item_price}" | ||
| ) | ||
| return matches[:max_matches] | ||
| for match in unique_matches[:5]: | ||
| logger.debug( | ||
| f" Match: {match.product.name}, {match.product.price:.2f} € (Score: {match.score:.2f})" | ||
| ) | ||
| return unique_matches[:max_matches] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -6,7 +6,7 @@ celery | |
| click | ||
| fastapi[standard] | ||
| flower | ||
| fuzzywuzzy | ||
| thefuzz | ||
| google-generativeai | ||
| loguru | ||
| ocrmypdf | ||
|
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