HomeHarvest/homeharvest/utils.py

93 lines
2.8 KiB
Python

import pandas as pd
from datetime import datetime
from .core.scrapers.models import Property, ListingType
from .exceptions import InvalidListingType, InvalidDate
ordered_properties = [
"property_url",
"primary_photo",
"alt_photos",
"mls",
"mls_id",
"status",
"style",
"street",
"unit",
"city",
"state",
"zip_code",
"beds",
"full_baths",
"half_baths",
"sqft",
"year_built",
"days_on_mls",
"list_price",
"list_date",
"sold_price",
"last_sold_date",
"lot_sqft",
"price_per_sqft",
"latitude",
"longitude",
"stories",
"hoa_fee",
"parking_garage",
]
def process_result(result: Property) -> pd.DataFrame:
prop_data = {prop: None for prop in ordered_properties}
prop_data.update(result.__dict__)
if "address" in prop_data:
address_data = prop_data["address"]
prop_data["street"] = address_data.street
prop_data["unit"] = address_data.unit
prop_data["city"] = address_data.city
prop_data["state"] = address_data.state
prop_data["zip_code"] = address_data.zip
prop_data["price_per_sqft"] = prop_data["prc_sqft"]
description = result.description
prop_data["primary_photo"] = description.primary_photo
prop_data["alt_photos"] = ", ".join(description.alt_photos)
prop_data["style"] = description.style
prop_data["beds"] = description.beds
prop_data["full_baths"] = description.baths_full
prop_data["half_baths"] = description.baths_half
prop_data["sqft"] = description.sqft
prop_data["lot_sqft"] = description.lot_sqft
prop_data["sold_price"] = description.sold_price
prop_data["year_built"] = description.year_built
prop_data["parking_garage"] = description.garage
prop_data["stories"] = description.stories
properties_df = pd.DataFrame([prop_data])
properties_df = properties_df.reindex(columns=ordered_properties)
return properties_df[ordered_properties]
def validate_input(listing_type: str) -> None:
if listing_type.upper() not in ListingType.__members__:
raise InvalidListingType(
f"Provided listing type, '{listing_type}', does not exist."
)
def validate_dates(date_from: str | None, date_to: str | None) -> None:
if (date_from is not None and date_to is None) or (date_from is None and date_to is not None):
raise InvalidDate("Both date_from and date_to must be provided.")
if date_from and date_to:
try:
date_from_obj = datetime.strptime(date_from, "%Y-%m-%d")
date_to_obj = datetime.strptime(date_to, "%Y-%m-%d")
if date_to_obj < date_from_obj:
raise InvalidDate("date_to must be after date_from.")
except ValueError as e:
raise InvalidDate(f"Invalid date format or range")