munch-ease-backend/recipes/__init__.py
2024-09-22 07:11:01 +10:00

59 lines
No EOL
1.9 KiB
Python

from persons import Person
from recipes.db import Recipe, insert_recipe, find_recipe_by_id, get_all, find_recipes_by_name, row_to_recipe, load_recipe_ingredients, hide_recipe
from recipes.scraping import scrape_recipe_ldata as _scrape_recipe_ldata
from ingredients import parse_ingredient_from_nlp, match_existing_products
import re
async def parse_recipe(conn, created_by: Person, url: str) -> Recipe:
ldata = await _scrape_recipe_ldata(url)
if ldata:
return await _get_recipe_from_ldata(conn, url, ldata, created_by)
return None
def find_yield(recipe_ldata: dict) -> int:
if 'recipeYield' in recipe_ldata:
yield_vals = recipe_ldata['recipeYield']
if not isinstance(yield_vals, list):
yield_vals = [yield_vals]
for val in yield_vals:
try:
return int(val)
except ValueError:
pass
for val in yield_vals:
match = re.match(r'(\d+)', val)
if match:
return int(match.group(1))
return 4
async def _get_recipe_from_ldata(conn, url: str, ldata: dict, created_by: Person) -> dict:
ingredients = [parse_ingredient_from_nlp(ingredient) for ingredient in ldata['recipeIngredient']]
ingredients = await match_existing_products(conn, ingredients)
name = ldata['name'] if 'name' in ldata else url
images = ldata['image'] if 'image' in ldata else []
serves = find_yield(ldata)
if isinstance(images, list) and len(images) > 0 and isinstance(images[0], dict):
images = [image['url'] for image in images]
if isinstance(images, dict):
images = [images['url']]
if isinstance(images, str):
images = [images]
return Recipe(
id=0,
name=name,
link=url,
serves=serves,
image_urls=images,
ingredients=ingredients,
created_by=created_by,
created_by_id=created_by.id,
)