class RecipeIngredient(db.Model):
__tablename__ = 'ingredient'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(250), nullable=False)
recipe_id = db.Column(db.Integer,
db.ForeignKey('recipe.id', ondelete='CASCADE'),
nullable=False)
pre_measure = db.Column(db.String(250), nullable=True)
post_measure = db.Column(db.String(250), nullable=True)
amount = db.Column(db.Float, nullable=True)
amount_units_id = db.Column(db.Integer,
db.ForeignKey('unit.id'),
nullable=True)
amount_units = db.relationship("IngredientUnit")
divided = db.Column(db.Boolean, nullable=False, default=False)
def __repr__(self):
return "{} {} {}".format(self.amount, self.amount_units, self.name)
@property
def serialize(self):
return _serialize(self)
@classmethod
def deserialize(cls, recipe_dict):
return _deserialize(cls, recipe_dict)
@property
def amount_fract(self):
"""
Converts float to fraction string
Returns:
str: fraction
"""
return convert_to_mixed_numeral(self.amount)
class RecipeNote(db.Model):
__tablename__ = "recipe_note"
id = db.Column(db.Integer, primary_key=True)
recipe_id = db.Column(db.Integer,
db.ForeignKey('recipe.id', ondelete='CASCADE'),
nullable=False)
create_date = db.Column(db.DateTime, default=datetime.datetime.utcnow)
note_text = db.Column(db.String(250), nullable=False)
@property
def serialize(self):
return _serialize(self)
@classmethod
def deserialize(cls, recipe_dict):
return _deserialize(cls, recipe_dict)
class RecipeStep(db.Model):
__tablename__ = "recipe_step"
id = db.Column(db.Integer, primary_key=True)
recipe_id = db.Column(db.Integer,
db.ForeignKey('recipe.id', ondelete='CASCADE'),
nullable=False)
step_number = db.Column(db.Integer, nullable=False)
description = db.Column(db.String(250), nullable=False)
@property
def serialize(self):
return _serialize(self)
@classmethod
def deserialize(cls, recipe_dict):
return _deserialize(cls, recipe_dict)
class Recipe(db.Model):
__tablename__ = 'recipe'
# Here we define db.Columns for the table recipe
# Notice that each db.Column is also a normal Python instance attribute.
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(250), nullable=False)
description = db.Column(db.String(250))
source = db.Column(db.String(250), nullable=True)
source_url = db.Column(db.String(250), nullable=True)
total_served = db.Column(db.Integer, nullable=True)
recipe_type_id = db.Column(db.Integer,
db.ForeignKey('recipe_type.id'),
nullable=True)
recipe_type = db.relationship("RecipeType")
ingredients = db.relationship("RecipeIngredient",
cascade="all, delete-orphan")
steps = db.relationship("RecipeStep", cascade="all, delete-orphan")
notes = db.relationship("RecipeNote", cascade="all, delete-orphan")
create_date = db.Column(db.DateTime, default=datetime.datetime.utcnow)
@property
def serialize(self):
d = _serialize(self)
d['recipe_type'] = self.recipe_type.serialize
d['steps'] = [step.serialize for step in self.steps]
d['ingredients'] = [
ingredient.serialize for ingredient in self.ingredients
]
d['notes'] = [note.serialize for note in self.notes]
return d
@classmethod
def deserialize(cls, recipe_dict):
d_recipe = _deserialize(cls, recipe_dict)
existing_recipe_type = db.session.query(RecipeType).filter(
RecipeType.name == 'Stove Top').first()
if existing_recipe_type is None:
d_recipe.recipe_type = RecipeType.deserialize(
recipe_dict['recipe_type'])
else:
d_recipe.recipe_type = existing_recipe_type
if 'ingredients' in recipe_dict:
d_recipe.ingredients = [
RecipeIngredient.deserialize(i)
for i in recipe_dict['ingredients']
]
if 'steps' in recipe_dict:
d_recipe.steps = [
RecipeStep.deserialize(i) for i in recipe_dict['steps']
]
if 'notes' in recipe_dict:
d_recipe.notes = [
RecipeNote.deserialize(i) for i in recipe_dict['notes']
]
return d_recipe