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grocy_api_client.py
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grocy_api_client.py
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import base64
import json
import logging
from datetime import datetime
from enum import Enum
from typing import Dict, List, Optional, Any
from urllib.parse import urljoin
import requests
from pydantic import BaseModel, Field, validator
from pydantic.schema import date
from pygrocy import EntityType
from pygrocy.utils import localize_datetime, parse_date
from .errors import GrocyError
DEFAULT_PORT_NUMBER = 9192
_LOGGER = logging.getLogger(__name__)
_LOGGER.setLevel(logging.INFO)
def _field_not_empty_validator(field_name: str):
"""Reusable Pydantic field pre-validator to convert empty str to None."""
return validator(field_name, allow_reuse=True, pre=True)(_none_if_empty_str)
def _none_if_empty_str(value: Any):
if isinstance(value, str) and value == "":
return None
return value
class ShoppingListItem(BaseModel):
id: int
product_id: Optional[int] = None
note: Optional[str] = None
amount: float
row_created_timestamp: datetime
shopping_list_id: int
done: int
class MealPlanResponse(BaseModel):
id: int
day: date
type: str
recipe_id: Optional[int] = None
recipe_servings: Optional[int] = None
note: Optional[str] = None
product_id: Optional[int] = None
product_amount: Optional[float] = None
product_qu_id: Optional[str] = None
row_created_timestamp: datetime
userfields: Optional[Dict] = None
section_id: Optional[int] = None
class RecipeDetailsResponse(BaseModel):
id: Optional[int] = None
name: str
description: Optional[str] = None
base_servings: int
desired_servings: int
picture_file_name: Optional[str]
row_created_timestamp: datetime
userfields: Optional[Dict] = None
class QuantityUnitData(BaseModel):
id: int
name: str
name_plural: str
description: Optional[str] = None
row_created_timestamp: datetime
class LocationData(BaseModel):
id: int
name: str
description: Optional[str] = None
row_created_timestamp: datetime
class ProductData(BaseModel):
id: int
name: str
description: Optional[str] = None
location_id: Optional[int] = None
product_group_id: Optional[int] = None
qu_id_stock: int
qu_id_purchase: int
qu_factor_purchase_to_stock: float
picture_file_name: Optional[str] = None
allow_partial_units_in_stock: Optional[bool] = False
row_created_timestamp: datetime
min_stock_amount: Optional[float]
default_best_before_days: int
location_id_validator = _field_not_empty_validator("location_id")
product_group_id_validator = _field_not_empty_validator("product_group_id")
class ChoreData(BaseModel):
id: int
name: str
description: Optional[str] = None
period_type: str
period_config: Optional[str] = None
period_days: Optional[int] = 0
track_date_only: bool
rollover: bool
assignment_type: Optional[str] = None
assignment_config: Optional[str] = None
next_execution_assigned_to_user_id: Optional[int] = None
userfields: Optional[Dict]
next_execution_assigned_to_user_id_validator = _field_not_empty_validator(
"next_execution_assigned_to_user_id"
)
class UserDto(BaseModel):
id: int
username: str
first_name: Optional[str] = None
last_name: Optional[str] = None
display_name: Optional[str] = None
class CurrentChoreResponse(BaseModel):
chore_id: int
last_tracked_time: Optional[datetime] = None
next_estimated_execution_time: Optional[datetime] = None
class CurrentStockResponse(BaseModel):
product_id: int
amount: float
best_before_date: date
amount_opened: float
product: ProductData
class MissingProductResponse(BaseModel):
id: int
name: str
amount_missing: float
is_partly_in_stock: bool
class CurrentVolatilStockResponse(BaseModel):
due_products: Optional[List[CurrentStockResponse]] = None
overdue_products: Optional[List[CurrentStockResponse]] = None
expired_products: Optional[List[CurrentStockResponse]] = None
missing_products: Optional[List[MissingProductResponse]] = None
class ProductBarcodeData(BaseModel):
barcode: str
class ProductDetailsResponse(BaseModel):
last_purchased: Optional[date] = None
last_used: Optional[date] = None
stock_amount: int
stock_amount_opened: int
next_best_before_date: Optional[date] = None
last_price: Optional[float] = None
product: ProductData
quantity_unit_stock: QuantityUnitData
default_quantity_unit_purchase: QuantityUnitData
barcodes: Optional[List[ProductBarcodeData]] = Field(alias="product_barcodes")
location: Optional[LocationData] = None
class ChoreDetailsResponse(BaseModel):
chore: ChoreData
last_tracked: Optional[datetime] = None
next_estimated_execution_time: Optional[datetime] = None
track_count: int = 0
next_execution_assigned_user: Optional[UserDto] = None
last_done_by: Optional[UserDto] = None
class TransactionType(Enum):
PURCHASE = "purchase"
CONSUME = "consume"
INVENTORY_CORRECTION = "inventory-correction"
PRODUCT_OPENED = "product-opened"
class TaskCategoryDto(BaseModel):
id: int
name: str
description: Optional[str] = None
row_created_timestamp: datetime
class TaskResponse(BaseModel):
id: int
name: str
description: Optional[str] = None
due_date: date = None
done: int
done_timestamp: Optional[datetime] = None
category_id: Optional[int] = None
category: Optional[TaskCategoryDto] = None
assigned_to_user_id: Optional[int] = None
assigned_to_user: Optional[UserDto] = None
userfields: Optional[Dict] = None
category_id_validator = _field_not_empty_validator("category_id")
assigned_to_user_id_validator = _field_not_empty_validator("assigned_to_user_id")
class CurrentBatteryResponse(BaseModel):
id: int
last_tracked_time: Optional[datetime] = None
next_estimated_charge_time: Optional[datetime] = None
class BatteryData(BaseModel):
id: int
name: str
description: str
used_in: str
charge_interval_days: int
created_timestamp: datetime = Field(alias="row_created_timestamp")
userfields: Optional[Dict] = None
class BatteryDetailsResponse(BaseModel):
battery: BatteryData
charge_cycles_count: int
last_charged: Optional[datetime] = None
next_estimated_charge_time: Optional[datetime] = None
class MealPlanSectionResponse(BaseModel):
id: Optional[int] = None
name: str
sort_number: Optional[int] = None
row_created_timestamp: datetime
sort_number_validator = _field_not_empty_validator("sort_number")
class StockLogResponse(BaseModel):
id: int
product_id: int
amount: int
best_before_date: date
purchased_date: date
used_date: Optional[date] = None
spoiled: bool = False
stock_id: str
transaction_id: str
transaction_type: TransactionType
def _enable_debug_mode():
_LOGGER.setLevel(logging.DEBUG)
class GrocyApiClient(object):
def __init__(
self,
base_url,
api_key,
port: int = DEFAULT_PORT_NUMBER,
path: str = None,
verify_ssl=True,
debug=False,
):
if debug:
_enable_debug_mode()
if path:
self._base_url = "{}:{}/{}/api/".format(base_url, port, path)
else:
self._base_url = "{}:{}/api/".format(base_url, port)
_LOGGER.debug(f"generated base url: {self._base_url}")
self._api_key = api_key
self._verify_ssl = verify_ssl
if self._api_key == "demo_mode":
self._headers = {"accept": "application/json"}
else:
self._headers = {"accept": "application/json", "GROCY-API-KEY": api_key}
def _do_get_request(self, end_url: str, params: dict = None):
req_url = urljoin(self._base_url, end_url)
resp = requests.get(
req_url, params=params, verify=self._verify_ssl, headers=self._headers
)
_LOGGER.debug("-->\tGET /%s", end_url)
_LOGGER.debug("<--\t%d for /%s", resp.status_code, end_url)
_LOGGER.debug("\t\t%s", resp.content)
if resp.status_code >= 400:
raise GrocyError(resp)
if len(resp.content) > 0:
return resp.json()
def _do_post_request(self, end_url: str, data: dict):
req_url = urljoin(self._base_url, end_url)
resp = requests.post(
req_url, verify=self._verify_ssl, headers=self._headers, json=data
)
_LOGGER.debug("-->\tPOST /%s", end_url)
_LOGGER.debug("\t\t%s", data)
_LOGGER.debug("<--\t%d for /%s", resp.status_code, end_url)
_LOGGER.debug("\t\t%s", resp.content)
if resp.status_code >= 400:
raise GrocyError(resp)
if len(resp.content) > 0:
return resp.json()
def _do_put_request(self, end_url: str, data):
req_url = urljoin(self._base_url, end_url)
up_header = self._headers.copy()
up_header["accept"] = "*/*"
if isinstance(data, dict):
up_header["Content-Type"] = "application/json"
data = json.dumps(data)
else:
up_header["Content-Type"] = "application/octet-stream"
resp = requests.put(
req_url, verify=self._verify_ssl, headers=up_header, data=data
)
_LOGGER.debug("-->\tPUT /%s", end_url)
_LOGGER.debug("\t\t%s", data)
_LOGGER.debug("<--\t%d for /%s", resp.status_code, end_url)
_LOGGER.debug("\t\t%s", resp.content)
if resp.status_code >= 400:
raise GrocyError(resp)
if len(resp.content) > 0:
return resp.json()
def _do_delete_request(self, end_url: str):
req_url = urljoin(self._base_url, end_url)
resp = requests.delete(req_url, verify=self._verify_ssl, headers=self._headers)
_LOGGER.debug("-->\tDELETE /%s", end_url)
_LOGGER.debug("<--\t%d for /%s", resp.status_code, end_url)
_LOGGER.debug("\t\t%s", resp.content)
if resp.status_code >= 400:
raise GrocyError(resp)
if len(resp.content) > 0:
return resp.json()
def get_stock(self) -> List[CurrentStockResponse]:
parsed_json = self._do_get_request("stock")
return [CurrentStockResponse(**response) for response in parsed_json]
def get_volatile_stock(self) -> CurrentVolatilStockResponse:
parsed_json = self._do_get_request("stock/volatile")
return CurrentVolatilStockResponse(**parsed_json)
def get_product(self, product_id) -> ProductDetailsResponse:
url = f"stock/products/{product_id}"
parsed_json = self._do_get_request(url)
if parsed_json:
return ProductDetailsResponse(**parsed_json)
def get_product_by_barcode(self, barcode) -> ProductDetailsResponse:
url = f"stock/products/by-barcode/{barcode}"
parsed_json = self._do_get_request(url)
if parsed_json:
return ProductDetailsResponse(**parsed_json)
def get_chores(self) -> List[CurrentChoreResponse]:
parsed_json = self._do_get_request("chores")
return [CurrentChoreResponse(**chore) for chore in parsed_json]
def get_chore(self, chore_id: int) -> ChoreDetailsResponse:
url = f"chores/{chore_id}"
parsed_json = self._do_get_request(url)
if parsed_json:
return ChoreDetailsResponse(**parsed_json)
def execute_chore(
self,
chore_id: int,
done_by: int = None,
tracked_time: datetime = datetime.now(),
):
localized_tracked_time = localize_datetime(tracked_time)
data = {"tracked_time": localized_tracked_time.isoformat()}
if done_by is not None:
data["done_by"] = done_by
return self._do_post_request(f"chores/{chore_id}/execute", data)
def add_product(
self,
product_id,
amount: float,
price: float,
best_before_date: datetime = None,
transaction_type: TransactionType = TransactionType.PURCHASE,
):
data = {
"amount": amount,
"transaction_type": transaction_type.value,
"price": price,
}
if best_before_date is not None:
data["best_before_date"] = best_before_date.strftime("%Y-%m-%d")
return self._do_post_request(f"stock/products/{product_id}/add", data)
def consume_product(
self,
product_id: int,
amount: float = 1,
spoiled: bool = False,
transaction_type: TransactionType = TransactionType.CONSUME,
allow_subproduct_substitution: bool = False,
):
data = {
"amount": amount,
"spoiled": spoiled,
"transaction_type": transaction_type.value,
"allow_subproduct_substitution": allow_subproduct_substitution,
}
self._do_post_request(f"stock/products/{product_id}/consume", data)
def inventory_product(
self,
product_id: int,
new_amount: float,
best_before_date: datetime = None,
shopping_location_id: int = None,
location_id: int = None,
price: int = None,
):
data = {
"new_amount": new_amount,
}
if best_before_date is not None:
data["best_before_date"] = localize_datetime(best_before_date).strftime(
"%Y-%m-%d"
)
if shopping_location_id is not None:
data["shopping_location_id"] = shopping_location_id
if location_id is not None:
data["location_id"] = location_id
if price is not None:
data["price"] = price
parsed_json = self._do_post_request(
f"stock/products/{product_id}/inventory", data
)
if parsed_json:
stockLog = [StockLogResponse(**response) for response in parsed_json]
return stockLog[0]
def add_product_by_barcode(
self,
barcode: str,
amount: float,
price: float,
best_before_date: datetime = None,
) -> StockLogResponse:
data = {
"amount": amount,
"transaction_type": TransactionType.PURCHASE.value,
"price": price,
}
if best_before_date is not None:
data["best_before_date"] = localize_datetime(best_before_date).strftime(
"%Y-%m-%d"
)
parsed_json = self._do_post_request(
f"stock/products/by-barcode/{barcode}/add", data
)
if parsed_json:
stockLog = [StockLogResponse(**response) for response in parsed_json]
return stockLog[0]
def consume_product_by_barcode(
self, barcode: str, amount: float = 1, spoiled: bool = False
):
data = {
"amount": amount,
"spoiled": spoiled,
"transaction_type": TransactionType.CONSUME.value,
}
parsed_json = self._do_post_request(
f"stock/products/by-barcode/{barcode}/consume", data
)
if parsed_json:
stockLog = [StockLogResponse(**response) for response in parsed_json]
return stockLog[0]
def inventory_product_by_barcode(
self,
barcode: str,
new_amount: float,
best_before_date: datetime = None,
location_id: int = None,
price: int = None,
):
data = {
"new_amount": new_amount,
}
if best_before_date is not None:
data["best_before_date"] = localize_datetime(best_before_date).strftime(
"%Y-%m-%d"
)
if location_id is not None:
data["location_id"] = location_id
if price is not None:
data["price"] = price
parsed_json = self._do_post_request(
f"stock/products/by-barcode/{barcode}/inventory", data
)
if parsed_json:
stockLog = [StockLogResponse(**response) for response in parsed_json]
return stockLog[0]
def get_shopping_list(self) -> List[ShoppingListItem]:
parsed_json = self._do_get_request("objects/shopping_list")
return [ShoppingListItem(**response) for response in parsed_json]
def add_missing_product_to_shopping_list(self, shopping_list_id: int = None):
data = None
if shopping_list_id:
data = {"list_id": shopping_list_id}
self._do_post_request("stock/shoppinglist/add-missing-products", data)
def add_product_to_shopping_list(
self,
product_id: int,
shopping_list_id: int = 1,
amount: int = 1,
quantity_unit_id: int = None,
):
data = {
"product_id": product_id,
"list_id": shopping_list_id,
"product_amount": amount,
}
if quantity_unit_id:
data["qu_id"] = quantity_unit_id
print(data)
self._do_post_request("stock/shoppinglist/add-product", data)
def clear_shopping_list(self, shopping_list_id: int = 1):
data = {"list_id": shopping_list_id}
self._do_post_request("stock/shoppinglist/clear", data)
def remove_product_in_shopping_list(
self, product_id: int, shopping_list_id: int = 1, amount: int = 1
):
data = {
"product_id": product_id,
"list_id": shopping_list_id,
"product_amount": amount,
}
self._do_post_request("stock/shoppinglist/remove-product", data)
def get_product_groups(self) -> List[LocationData]:
parsed_json = self._do_get_request("objects/product_groups")
return [LocationData(**response) for response in parsed_json]
def upload_product_picture(self, product_id: int, pic_path: str):
b64fn = base64.b64encode("{}.jpg".format(product_id).encode("ascii"))
req_url = "files/productpictures/" + str(b64fn, "utf-8")
with open(pic_path, "rb") as pic:
self._do_put_request(req_url, pic)
def update_product_pic(self, product_id: int):
pic_name = f"{product_id}.jpg"
data = {"picture_file_name": pic_name}
self._do_put_request(f"objects/products/{product_id}", data)
def get_userfields(self, entity: str, object_id: int):
url = f"userfields/{entity}/{object_id}"
return self._do_get_request(url)
def set_userfields(self, entity: str, object_id: int, key: str, value):
data = {key: value}
self._do_put_request(f"userfields/{entity}/{object_id}", data)
def get_last_db_changed(self):
resp = self._do_get_request("system/db-changed-time")
last_change_timestamp = parse_date(resp.get("changed_time"))
return last_change_timestamp
def get_tasks(self, exclude_done) -> List[TaskResponse]:
params = {"query[]": "done=0"} if exclude_done else None
parsed_json = self._do_get_request("objects/tasks", params=params)
return [TaskResponse(**data) for data in parsed_json]
def complete_task(self, task_id: int, done_time: datetime = datetime.now()):
url = f"tasks/{task_id}/complete"
localized_done_time = localize_datetime(done_time)
data = {"done_time": localized_done_time.isoformat()}
self._do_post_request(url, data)
def get_meal_plan(self) -> List[MealPlanResponse]:
parsed_json = self._do_get_request("objects/meal_plan")
return [MealPlanResponse(**data) for data in parsed_json]
def get_recipe(self, object_id: int) -> RecipeDetailsResponse:
parsed_json = self._do_get_request(f"objects/recipes/{object_id}")
if parsed_json:
return RecipeDetailsResponse(**parsed_json)
def get_batteries(self) -> List[CurrentBatteryResponse]:
parsed_json = self._do_get_request("batteries")
if parsed_json:
return [CurrentBatteryResponse(**data) for data in parsed_json]
def get_battery(self, battery_id: int) -> BatteryDetailsResponse:
parsed_json = self._do_get_request(f"batteries/{battery_id}")
if parsed_json:
return BatteryDetailsResponse(**parsed_json)
def charge_battery(self, battery_id: int, tracked_time: datetime = datetime.now()):
localized_tracked_time = localize_datetime(tracked_time)
data = {"tracked_time": localized_tracked_time.isoformat()}
return self._do_post_request(f"batteries/{battery_id}/charge", data)
def add_generic(self, entity_type: str, data):
return self._do_post_request(f"objects/{entity_type}", data)
def update_generic(self, entity_type: str, object_id: int, data):
return self._do_put_request(f"objects/{entity_type}/{object_id}", data)
def delete_generic(self, entity_type: str, object_id: int):
return self._do_delete_request(f"objects/{entity_type}/{object_id}")
def get_generic_objects_for_type(self, entity_type: str):
return self._do_get_request(f"objects/{entity_type}")
def get_meal_plan_sections(self) -> List[MealPlanSectionResponse]:
parsed_json = self.get_generic_objects_for_type(EntityType.MEAL_PLAN_SECTIONS)
if parsed_json:
return [MealPlanSectionResponse(**resp) for resp in parsed_json]
def get_meal_plan_section(self, meal_plan_section_id) -> MealPlanSectionResponse:
parsed_json = self._do_get_request(
f"objects/meal_plan_sections?query%5B%5D=id%3D{meal_plan_section_id}"
)
if parsed_json and len(parsed_json) == 1:
return MealPlanSectionResponse(**parsed_json[0])
def get_users(self) -> List[UserDto]:
parsed_json = self._do_get_request("users")
if parsed_json:
return [UserDto(**user) for user in parsed_json]
def get_user(self, user_id: int) -> UserDto:
query_params = []
if user_id:
query_params.append(f"id={user_id}")
parsed_json = self._do_get_request("users")
if parsed_json:
return UserDto(**parsed_json[0])