Hola, soy nuevo en la programación y estoy creando un sitio web de recetas para aprender, pero lo que me cuesta es cómo manejar los ingredientes de las recetas. Me gustaría hacer lo siguiente:
Lo que creo que les gustaría a los modelos está a continuación, pero no estoy seguro de si esto es correcto o si es el mejor método, se agradece cualquier consejo.
receta/modelos.py
User = settings.AUTH_USER_MODEL class Recipe(models.Model): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE) recipeName = models.CharField(max_length=220) # grilled chicken pasta userRecipeIngredients = models.ManyToManyField(UserCreatedIngredient, blank=True, Null=True, through='IngredientToRecipe') globalRecipeIngredients = models.ManyToManyField(GlobalIngredient, blank=True, Null=True, through='IngredientToRecipe') class UserCreatedIngredient(models.Model): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE) name = models.CharField(max_length=220) # grilled chicken class GlobalIngredient(models.Model): name = models.CharField(max_length=220) # chicken class IngredientToRecipe(models.Model): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE) userIngredient = models.ForeignKey(UserCreatedIngredient, on_delete=models.SET_NULL) globalIngredient = models.ForeignKey(GlobalIngredient, on_delete=models.SET_NULL) quantity = models.CharField(max_length=50, blank=True, null=True) # 400 unit = models.CharField(max_length=50, blank=True, null=True) # pounds, lbs, oz ,grams, etc instructions = models.TextField(blank=True, null=True) # chopped, diced etc.despensa/modelos.py:
from recipes.models import IngredientToRecipe User = settings.AUTH_USER_MODEL class pantryIngredients(models.Model): user = models.ForeignKey(User, on_delete=models.CASCADE) ingredients = models.ForeignKey(IngredientToRecipe, on_delete=models.SET_NULL) inStock = = models.IntegerField(default=0, blank=False) # user can increment ie two chicken in stockUna forma de abordar los primeros tres requisitos en su pregunta sería incorporar la herencia en sus modelos.
class Recipe(models.Model): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE) recipeName = models.CharField(max_length=220) # grilled chicken pasta ingredients = models.ManyToManyField(Ingredient, blank=True, Null=True, through='IngredientToRecipe') class Ingredient(models.Model): name = models.CharField(max_length=220) class GlobalIngredient(Ingredient): pass class UserCreatedIngredient(Ingredient): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE) class IngredientToRecipe(models.Model): ingredient = models.ForeignKey(Ingredient, on_delete=models.SET_NULL) quantity = models.CharField(max_length=50, blank=True, null=True) # 400 unit = models.CharField(max_length=50, blank=True, null=True) # pounds, lbs, oz ,grams, etc instructions = models.TextField(blank=True, null=True) # chopped, diced etc.Al permitir que se produzca esta herencia, puede mejorar la redundancia de datos.