def add_item_to_plan(self):
if not current_user.is_authenticated():
raise RequestException("access denied")
user_id = current_user.id
params = self._get_json_func_params(
requiredParams=["plan_uid", "item_uid", "food_data_source_type", "servings"],
optionalParams=["food_id", "food_uid", "food_weight_id"])
food_data_source_type = int(params["food_data_source_type"])
plan = DayPlan.by_user_and_uid(user_id, params["plan_uid"])
if not plan:
raise RequestException("plan not found")
item_params = {
'servings': params["servings"],
'food_data_source_type': food_data_source_type,
'day_plan_id': plan.id,
'uid': params["item_uid"]
}
if food_data_source_type == DayPlanItem.FOOD_DATA_SOURCE_TYPE_DEFAULT:
item_params['chosen_default_food_id'] = params["food_id"] or 0
item_params['chosen_default_food_weight_id'] = params["food_weight_id"] or 0
elif food_data_source_type == DayPlanItem.FOOD_DATA_SOURCE_TYPE_CUSTOM:
if (params["food_uid"]):
custom_food = CustomFood.by_user_and_uid(user_id, params["food_uid"])
if custom_food is None:
raise RequestException("food not found")
item_params['chosen_custom_food_id'] = custom_food.id
else:
#only allow access to custom foods the user owns
raise RequestException("access forbidden")
else:
raise RequestException('Unrecognized food_data_source_type')
new_item = DayPlanItem(**item_params)
db.session.add(new_item)
db.session.commit()
return True
def remove_item_from_plan(self):
if not current_user.is_authenticated():
raise RequestException("access denied")
user_id = current_user.id
params = self._get_json_func_params(requiredParams=["plan_uid", "item_uid"])
plan = DayPlan.by_user_and_uid(user_id, params["plan_uid"])
if not plan:
raise RequestException("plan not found")
if params["item_uid"] not in plan.items:
raise RequestException("item not found")
item = plan.items[params["item_uid"]]
db.session.delete(item)
db.session.commit()
return True
def modify_plan_item(self):
if not current_user.is_authenticated():
raise RequestException("access denied")
user_id = current_user.id
params = self._get_json_func_params(
requiredParams=["plan_uid", "item_uid"],
optionalParams=["food_weight_id", "servings"])
plan = DayPlan.by_user_and_uid(user_id, params["plan_uid"])
if not plan:
raise RequestException("plan not found")
if params["item_uid"] not in plan.items:
raise RequestException("item not found")
item = plan.items[params["item_uid"]]
if params["food_weight_id"]:
if item.food_data_source_type == DayPlanItem.FOOD_DATA_SOURCE_TYPE_DEFAULT:
item.chosen_default_food_weight_id = params["food_weight_id"]
else:
raise RequestException("custom foods do not have weight id specifiers")
if params["servings"]:
item.servings = params["servings"]
db.session.commit()
return True