X-Git-Url: https://us-delaporte.pagekite.me/gitweb/matrix-shop-bot.git/blobdiff_plain/2fe28d1dc4ee451541c9f4e921b5c6eb71e91aed..ea1529a8cdc661c83ea50c241a47f578de7d68e5:/matrix_shop_bot/db.py diff --git a/matrix_shop_bot/db.py b/matrix_shop_bot/db.py index 186350a..9d40236 100644 --- a/matrix_shop_bot/db.py +++ b/matrix_shop_bot/db.py @@ -4,7 +4,7 @@ from datetime import datetime as dt from decimal import Decimal from typing import List -from sqlmodel import Field, Session, SQLModel, create_engine, select, text, Relationship +from sqlmodel import Field, Session, SQLModel, create_engine, select, text, Relationship, func from sqlite3 import IntegrityError @@ -17,7 +17,6 @@ def today(): logger = logging.getLogger(__name__) -logging.basicConfig(filename=f'{MODULE}.log', encoding='utf-8', level=logging.DEBUG) class ItemStoreLink(SQLModel, table=True): item_id: int | None = Field(default=None, foreign_key="item.id", primary_key=True) @@ -25,18 +24,60 @@ class ItemStoreLink(SQLModel, table=True): class Item(SQLModel, table=True): + '''An item to shop for.''' id: int | None = Field(default=None, primary_key=True) name: str = Field(default=None, unique=True) price: Decimal | None = Field(decimal_places=2) stores: list["Store"] = Relationship(back_populates="shopping_list", link_model=ItemStoreLink) purchase_date: dt | None = Field(default=None) def __str__(self): - return f'{self.name} (#{self.id})' + if(self.purchase_date): + return f'- [x] {self.name} (#{self.id})' + else: + return f'- [ ] {self.name} (#{self.id})' + +class ItemZone(SQLModel, table=True): + '''Where an item is usually found. + + Matched only by loose text matching, since items come and go, over time. + ''' + id: int | None = Field(default=None, primary_key=True) + name: str = Field(default=None, unique=True) # milk + zone: str = Field(default=None, unique=False) # dairy section class PreferStore(SQLModel, table=True): + '''Tracks which store we are shopping at, at the moment.''' store_id: int | None = Field(default=None, foreign_key="store.id", primary_key=True) +def _get_item_zone(item_name, session) -> str: + zone = session.exec(select(ItemZone).where(ItemZone.name == item_name)).first() + if zone: + return zone.zone + return 'No Zone Assigned' + +def _get_pretty_shopping_list(store_id, session) -> List[str]: + store = session.exec(_get_with_id(Store, store_id)).first() + results = [] + results.append(f' ## {store.name}') + items = store.shopping_list + if not items: + results.append(f'-- Nothing to shop for at {store.name} --') + + zones = {} + + for item in items: + zone = _get_item_zone(item.name, session) + if not zone in zones: + zones[zone] = [] + zones[zone].append(str(item)) + for zone in zones: + results.append(f' ### {zone}') + for item in zones[zone]: + results.append(item) + return results + class Store(SQLModel, table=True): + '''A place to shop at.''' id: int | None = Field(default=None, primary_key=True) name: str = Field(default=None, unique=True) shopping_list: list["Item"] = Relationship(back_populates="stores", link_model=ItemStoreLink) @@ -44,17 +85,24 @@ class Store(SQLModel, table=True): def __str__(self): return f'{self.name} (#{self.id})' -# May get used later... -#class PurchaseRecord(SQLModel, table=True): -# id: int | None = Field(default=None, primary_key=True) -# name: str = Field(default=None, unique=True) -# price: Decimal | None = Field(decimal_places=2) -# store: Store = Relationship(back_populates="purchase_history") -# purchase_date: dt | None = Field(default=None) + +class PurchaseRecord(SQLModel, table=True): + '''Tracks when and where items were purchased.''' + id: int | None = Field(default=None, primary_key=True) + name: str = Field(default=None) + price: Decimal | None = Field(decimal_places=2) + store: str | None = Field(default=None) + purchase_date: dt | None = Field(default=None) + def __str__(self): + date = self.purchase_date.strftime(DATE_FORMAT) + return f'Bought {self.name} at {self.store} on {date}' def _get_with_id(cls, item_id): return select(cls).where(cls.id == item_id) +def _get_with_name(cls, name): + return select(cls).where(func.lower(cls.name) == func.lower(name)) + class Data(): def __init__(self, db_file=None): @@ -62,6 +110,7 @@ class Data(): db_file = os.path.join(os.environ.get('MATRIX_DATA_DIR', ''), f'{MODULE}.db') self.file = db_file + logger.debug(f'Shop bot is using db file {self.file}') self.engine = self.get_engine() self.last_store_id = None @@ -114,6 +163,19 @@ class Data(): self.assign_store(item_id, store_id) return store_id + def assign_zone(self, item_name, zone_name): + item_id = -1 + with Session(self.engine) as session: + try: + new = ItemZone(name=item_name) + new.zone = zone_name + session.add(new) + session.commit() + item_id = new.id + except: + pass # Already assigned + return item_id + def assign_store(self, item_id, store_id): self._set_pref_store_id(store_id) @@ -127,32 +189,55 @@ class Data(): pass # Already assigned return ['Success'] + def list_purchases(self, store_name): + with Session(self.engine) as session: + cmd = select(PurchaseRecord).where(func.lower(PurchaseRecord.store) == func.lower(store_name)) + records = session.exec(cmd).all() + return records def purchase_items(self, item_ids): results = [] with Session(self.engine) as session: + # Mark items as purchased for item_id in item_ids.split(' '): item = session.exec(_get_with_id(Item, item_id)).first() if item: item.purchase_date = dt.today() - results.append(str(item)) + + # Track purchase history (locally only!) + # to generate recommended shopping lists + record = PurchaseRecord() + record.name = item.name + record.price = item.price + record.purchase_date = item.purchase_date + + shopping_at = self._get_pref_store_id() # We bought it here + cmd = select(Store).where(Store.id == shopping_at) + store = session.exec(cmd).one() + record.store = store.name + session.add(record) + + results.append(str(record)) + # results.append(str(item)) + session.commit() return results - def purchase_item(self, item_id): - with Session(self.engine) as session: - item = session.exec(_get_with_id(Item, item_id)).first() - item.purchase_date = dt.today() - session.commit() - return ['Success'] - def clear_list(self, store_id, clear_all=False): + def clear_list(self, store_name, clear_all=False): + results = [] with Session(self.engine) as session: - store = session.exec(_get_with_id(Store, store_id)).first() + store = session.exec(_get_with_name(Store, store_name)).first() + if not store: + return [f'Store {store_name} not found.'] + for item in store.shopping_list: if clear_all or item.purchase_date: session.delete(item) + session.commit() + results = _get_pretty_shopping_list(store.id, session) + return results def get_stores(self): with Session(self.engine) as session: @@ -170,34 +255,22 @@ class Data(): return [f'No unsorted items!'] return items - - def get_shopping_list_for_store(self, store_id) -> List[str]: - self._set_pref_store_id(store_id) - return self.get_shopping_list(store_id) - def get_last_shopping_list(self) -> List[str]: store_id = self._get_pref_store_id() - return self.get_shopping_list(store_id) + with Session(self.engine) as session: + store = session.exec(_get_with_id(Store, store_id)).first() + if store: + return _get_pretty_shopping_list(store.id, session) + return [f'Last shopping list store not found.'] - def get_shopping_list(self, store_id) -> List[str]: - results = [] + def get_shopping_list(self, store_name) -> List[str]: + retsults = [] with Session(self.engine) as session: - cmd = select(Store).where(Store.id == store_id) - store = session.exec(cmd).first() + store = session.exec(_get_with_name(Store, store_name)).first() if not store: - return [f'Store {store_id} not found.'] - - results.append(f' ## {store.name}') - - items = store.shopping_list - if not items: - results.append(f'-- Nothing to shop for at {store.name} --') - else: - for item in items: - if(item.purchase_date): - results.append(f' - [x] {item}') - else: - results.append(f' - [ ] {item}') + return [f'Store {store_name} not found.'] + results = _get_pretty_shopping_list(store.id, session) + self._set_pref_store_id(store.id) return results def remove_item(self, item_id):