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refactored
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272
app/api/routes/export.py
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272
app/api/routes/export.py
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from fastapi import APIRouter, Depends, HTTPException, Request, Form, Body, File, UploadFile
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from sqlalchemy.orm import Session
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from typing import List, Optional
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from datetime import date, datetime
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import os
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import csv
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import shutil
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import sqlite3
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import logging
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from openfoodfacts import API, APIVersion, Country, Environment, Flavor
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import re
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import json
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from app.database import get_db, Food, Meal, Plan, Template, WeeklyMenu, TrackedDay, MealFood, TemplateMeal, WeeklyMenuDay, TrackedMeal
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from app.database import FoodCreate, FoodResponse, MealCreate, TrackedDayCreate, TrackedMealCreate, AllData, FoodExport, MealFoodExport, MealExport, PlanExport, TemplateMealExport, TemplateExport, TemplateMealDetail, TemplateDetail, WeeklyMenuDayExport, WeeklyMenuDayDetail, WeeklyMenuExport, WeeklyMenuDetail, TrackedMealExport, TrackedDayExport
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router = APIRouter()
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def validate_import_data(data: AllData):
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"""Validate the integrity of the imported data."""
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food_ids = {f.id for f in data.foods}
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meal_ids = {m.id for m in data.meals}
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template_ids = {t.id for t in data.templates}
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# Validate Meals
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for meal in data.meals:
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for meal_food in meal.meal_foods:
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if meal_food.food_id not in food_ids:
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raise HTTPException(
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status_code=400,
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detail=f"Invalid meal food: food_id {meal_food.food_id} not found.",
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)
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# Validate Plans
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for plan in data.plans:
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if plan.meal_id not in meal_ids:
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raise HTTPException(
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status_code=400,
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detail=f"Invalid plan: meal_id {plan.meal_id} not found.",
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)
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# Validate Templates
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for template in data.templates:
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for template_meal in template.template_meals:
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if template_meal.meal_id not in meal_ids:
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raise HTTPException(
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status_code=400,
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detail=f"Invalid template meal: meal_id {template_meal.meal_id} not found.",
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)
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# Validate Weekly Menus
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for weekly_menu in data.weekly_menus:
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for day in weekly_menu.weekly_menu_days:
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if day.template_id not in template_ids:
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raise HTTPException(
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status_code=400,
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detail=f"Invalid weekly menu day: template_id {day.template_id} not found.",
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)
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# Validate Tracked Days
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for tracked_day in data.tracked_days:
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for tracked_meal in tracked_day.tracked_meals:
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if tracked_meal.meal_id not in meal_ids:
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raise HTTPException(
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status_code=400,
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detail=f"Invalid tracked meal: meal_id {tracked_meal.meal_id} not found.",
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)
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@router.get("/export/all", response_model=AllData)
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async def export_all_data(db: Session = Depends(get_db)):
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"""Export all data from the database as a single JSON file."""
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foods = db.query(Food).all()
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meals = db.query(Meal).all()
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plans = db.query(Plan).all()
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templates = db.query(Template).all()
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weekly_menus = db.query(WeeklyMenu).all()
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tracked_days = db.query(TrackedDay).all()
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# Manual serialization to handle nested relationships
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# Meals with MealFoods
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meals_export = []
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for meal in meals:
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meal_foods_export = [
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MealFoodExport(food_id=mf.food_id, quantity=mf.quantity)
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for mf in meal.meal_foods
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]
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meals_export.append(
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MealExport(
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id=meal.id,
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name=meal.name,
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meal_type=meal.meal_type,
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meal_time=meal.meal_time,
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meal_foods=meal_foods_export,
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)
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)
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# Templates with TemplateMeals
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templates_export = []
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for template in templates:
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template_meals_export = [
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TemplateMealExport(meal_id=tm.meal_id, meal_time=tm.meal_time)
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for tm in template.template_meals
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]
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templates_export.append(
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TemplateExport(
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id=template.id,
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name=template.name,
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template_meals=template_meals_export,
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)
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)
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# Weekly Menus with WeeklyMenuDays
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weekly_menus_export = []
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for weekly_menu in weekly_menus:
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weekly_menu_days_export = [
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WeeklyMenuDayExport(
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day_of_week=wmd.day_of_week, template_id=wmd.template_id
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)
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for wmd in weekly_menu.weekly_menu_days
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]
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weekly_menus_export.append(
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WeeklyMenuExport(
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id=weekly_menu.id,
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name=weekly_menu.name,
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weekly_menu_days=weekly_menu_days_export,
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)
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)
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# Tracked Days with TrackedMeals
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tracked_days_export = []
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for tracked_day in tracked_days:
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tracked_meals_export = [
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TrackedMealExport(
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meal_id=tm.meal_id,
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meal_time=tm.meal_time,
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quantity=tm.quantity,
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)
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for tm in tracked_day.tracked_meals
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]
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tracked_days_export.append(
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TrackedDayExport(
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id=tracked_day.id,
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person=tracked_day.person,
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date=tracked_day.date,
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is_modified=tracked_day.is_modified,
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tracked_meals=tracked_meals_export,
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)
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)
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return AllData(
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foods=[FoodExport.from_orm(f) for f in foods],
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meals=meals_export,
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plans=[PlanExport.from_orm(p) for p in plans],
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templates=templates_export,
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weekly_menus=weekly_menus_export,
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tracked_days=tracked_days_export,
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)
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@router.post("/import/all")
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async def import_all_data(file: UploadFile = File(...), db: Session = Depends(get_db)):
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"""Import all data from a JSON file, overwriting existing data."""
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try:
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contents = await file.read()
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data = AllData.parse_raw(contents)
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# Validate data before import
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validate_import_data(data)
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# 1. Delete existing data in the correct order
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db.query(TrackedMeal).delete()
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db.query(TrackedDay).delete()
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db.query(WeeklyMenuDay).delete()
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db.query(WeeklyMenu).delete()
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db.query(Plan).delete()
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db.query(TemplateMeal).delete()
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db.query(Template).delete()
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db.query(MealFood).delete()
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db.query(Meal).delete()
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db.query(Food).delete()
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db.commit()
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# 2. Insert new data in the correct order
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# Foods
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for food_data in data.foods:
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db.add(Food(**food_data.dict()))
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db.commit()
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# Meals
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for meal_data in data.meals:
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meal = Meal(
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id=meal_data.id,
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name=meal_data.name,
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meal_type=meal_data.meal_type,
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meal_time=meal_data.meal_time,
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)
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db.add(meal)
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db.flush()
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for mf_data in meal_data.meal_foods:
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db.add(
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MealFood(
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meal_id=meal.id,
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food_id=mf_data.food_id,
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quantity=mf_data.quantity,
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)
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)
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db.commit()
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# Templates
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for template_data in data.templates:
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template = Template(id=template_data.id, name=template_data.name)
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db.add(template)
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db.flush()
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for tm_data in template_data.template_meals:
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db.add(
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TemplateMeal(
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template_id=template.id,
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meal_id=tm_data.meal_id,
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meal_time=tm_data.meal_time,
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)
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)
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db.commit()
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# Plans
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for plan_data in data.plans:
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db.add(Plan(**plan_data.dict()))
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db.commit()
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# Weekly Menus
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for weekly_menu_data in data.weekly_menus:
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weekly_menu = WeeklyMenu(
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id=weekly_menu_data.id, name=weekly_menu_data.name
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)
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db.add(weekly_menu)
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db.flush()
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for wmd_data in weekly_menu_data.weekly_menu_days:
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db.add(
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WeeklyMenuDay(
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weekly_menu_id=weekly_menu.id,
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day_of_week=wmd_data.day_of_week,
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template_id=wmd_data.template_id,
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)
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)
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db.commit()
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# Tracked Days
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for tracked_day_data in data.tracked_days:
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tracked_day = TrackedDay(
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id=tracked_day_data.id,
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person=tracked_day_data.person,
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date=tracked_day_data.date,
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is_modified=tracked_day_data.is_modified,
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)
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db.add(tracked_day)
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db.flush()
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for tm_data in tracked_day_data.tracked_meals:
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db.add(
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TrackedMeal(
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tracked_day_id=tracked_day.id,
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meal_id=tm_data.meal_id,
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meal_time=tm_data.meal_time,
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quantity=tm_data.quantity,
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)
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)
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db.commit()
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return {"status": "success", "message": "All data imported successfully."}
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except Exception as e:
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db.rollback()
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logging.error(f"Failed to import data: {e}")
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raise HTTPException(status_code=400, detail=f"Failed to import data: {e}")
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