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
MODULE='shop'
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)
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)
def __str__(self):
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)
+
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)
def __str__(self):
return f'{self.name} (#{self.id})'
+ def get_pretty_shopping_list(self) -> List[str]:
+ results = []
+ results.append(f' ## {self.name}')
+ items = self.shopping_list
+ if not items:
+ results.append(f'-- Nothing to shop for at {self.name} --')
+ else:
+ for item in items:
+ if(item.purchase_date):
+ results.append(f' - [x] {item}')
+ else:
+ results.append(f' - [ ] {item}')
+ return results
-
-
-# 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):
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
- def _add_with_name(self, cls, name):
- id = -1
+ def _set_pref_store_id(self, store_id):
with Session(self.engine) as session:
- new = cls(name=name)
- session.add(new)
+ prefs = session.exec(select(PreferStore)).all()
+ for pref in prefs:
+ session.delete(pref)
+ pref = PreferStore()
+ pref.store_id = store_id
+ session.add(pref)
session.commit()
- id = new.id
- return id
+
+ def _get_pref_store_id(self):
+ with Session(self.engine) as session:
+ pref = session.exec(select(PreferStore)).one()
+ return pref.store_id
+
+ def _add_with_name(self, cls, name):
+ item_id = -1
+ try:
+ with Session(self.engine) as session:
+ new = cls(name=name)
+ session.add(new)
+ session.commit()
+ item_id = new.id
+ except:
+ # duplicate add
+ # recover by returning the item_id
+ item = session.exec(select(Item).where(Item.name == name)).first()
+ item_id = item.id
+
+ return item_id
def add_store(self, name):
- return self._add_with_name(Store, name)
+ store_id = self._add_with_name(Store, name)
+ self._set_pref_store_id(store_id)
+ return store_id
def add_item(self, name):
- return self._add_with_name(Item, name)
+ names = name.split(',')
+ for name in names:
+ item_id = self._add_with_name(Item, name.strip())
+ store_id = self._get_pref_store_id()
+ self.assign_store(item_id, store_id)
+ return item_id
+
+ def assign_last_store(self, item_id):
+ store_id = self._get_pref_store_id()
+ 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)
- def assign_store(self, store_id, item_id):
with Session(self.engine) as session:
store = session.exec(_get_with_id(Store, store_id)).first()
item = session.exec(_get_with_id(Item, item_id)).first()
- item.stores.append(store)
- session.commit()
+ try:
+ item.stores.append(store)
+ session.commit()
+ except:
+ 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_item(self, item_id):
+ def purchase_items(self, item_ids):
+ results = []
with Session(self.engine) as session:
- item = session.exec(_get_with_id(Item, item_id)).first()
- item.purchase_date = dt.today()
+ # 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()
+
+ # 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 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()
- for item in store.items:
- if clear_all or item.purchased_date:
- item.remove()
+ 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 = store.get_pretty_shopping_list()
+ return results
+
+ def get_stores(self):
+ with Session(self.engine) as session:
+ cmd = select(Store)
+ return session.exec(cmd).all()
def get_unsorted_list(self):
results = []
with Session(self.engine) as session:
- cmd = select(Item).where(Item.store == None)
+ cmd = select(Item).where(Item.stores == None)
items = session.exec(cmd).all()
if not items:
return [f'No unsorted items!']
return items
- def get_shopping_list(self, store_id) -> List[str]:
- results = []
+ def get_last_shopping_list(self) -> List[str]:
+ store_id = self._get_pref_store_id()
with Session(self.engine) as session:
- cmd = select(Store).where(Store.id == store_id)
- store = session.exec(cmd).first()
- if not store:
- return [f'Store {store_id} not found.']
+ store = session.exec(_get_with_id(Store, store_id)).first()
+ if store:
+ return store.get_pretty_shopping_list()
+ return [f'Last shopping list store not found.']
- results.append(f' ## {store.name}')
+ def get_shopping_list(self, store_name) -> List[str]:
+ retsults = []
+ with Session(self.engine) as session:
+ store = session.exec(_get_with_name(Store, store_name)).first()
+ if not store:
+ return [f'Store {store_name} not found.']
+ results = store.get_pretty_shopping_list()
+ self._set_pref_store_id(store.id)
+ return results
- items = store.shopping_list
- if not items:
- results.append(f'-- Nothing to shop for at {store.name} --')
+ def remove_item(self, item_id):
+ with Session(self.engine) as session:
+ item = session.exec(_get_with_id(Item, item_id)).first()
+ session.delete(item)
+ session.commit()
- for item in items:
- if(item.purchase_date):
- results.append(f' - [x] {item}')
- else:
- results.append(f' - [ ] {item}')
- return results
+ def remove_store(self, store_id):
+ with Session(self.engine) as session:
+ store = session.exec(_get_with_id(Store, store_id)).first()
+ session.delete(store)
+ session.commit()
def get_engine(self):
return create_engine(f"sqlite:///{self.file}")
projects / matrix-shop-bot.git / blobdiff