Model/backend/app/db/functions/recommendations_functions.py
2023-08-11 14:16:28 +01:00

71 lines
2.5 KiB
Python

from sqlalchemy.orm import sessionmaker
from backend.app.db.connection import db_engine
from backend.app.db.models.recommendations import Plan, Recommendation, RecommendationMaterials
def create_plan(plan):
"""
This function will create a record for the plan in the database if it does not exist.
:param plan: dictionary of data representing a plan to be created
"""
Session = sessionmaker(bind=db_engine)
with Session() as session:
new_plan = Plan(**plan)
session.add(new_plan)
session.commit()
return new_plan.id
def create_recommendation(recommendation):
"""
This function will create a record for the recommendation in the database if it does not exist.
:param recommendation: dictionary of data representing a recommendation to be created
"""
Session = sessionmaker(bind=db_engine)
with Session() as session:
new_recommendation = Recommendation(**recommendation)
session.add(new_recommendation)
session.commit()
return new_recommendation.id
def create_recommendation_material(recommendation_id, material_id, depth):
"""
This function will create a record for the recommendation_material in the database if it does not exist.
:param recommendation_id: ID of the recommendation
:param material_id: ID of the material
:param depth: depth of the material, may be null if a material where depth is not applicable
"""
Session = sessionmaker(bind=db_engine)
with Session() as session:
new_recommendation_material = RecommendationMaterials(
recommendation_id=recommendation_id,
material_id=material_id,
depth=depth
)
session.add(new_recommendation_material)
session.commit()
return new_recommendation_material.id
def create_plan_recommendations(plan_id, recommendation_ids):
"""
This function will create a record for the plan_recommendation in the database if it does not exist.
:param plan_id: ID of the plan
:param recommendation_ids: list of recommendation IDs
"""
Session = sessionmaker(bind=db_engine)
with Session() as session:
for recommendation_id in recommendation_ids:
session.execute(
'INSERT INTO plan_recommendations (plan_id, recommendation_id) VALUES (:plan_id, :recommendation_id)',
{'plan_id': plan_id, 'recommendation_id': recommendation_id}
)
session.commit()