Print lists sorted within each zone

[matrix-shop-bot.git] / matrix_shop_bot / db.py

diff --git a/matrix_shop_bot/db.py b/matrix_shop_bot/db.py
index bab18376ffbbff9205e93e84bf6a90b1822cebd2..2f5b28967cbe9f9bbc1e52411e9bdf16f818dec7 100644 (file)
--- a/matrix_shop_bot/db.py
+++ b/matrix_shop_bot/db.py
@@ -1,10 +1,13 @@
 import logging
 import os
 from datetime import datetime as dt
 import logging
 import os
 from datetime import datetime as dt

+from datetime import timedelta

 from decimal import Decimal
 from typing import List
 
 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'
 
 
 MODULE='shop'
 


@@ -15,7 +18,6 @@ def today():
 
 
 logger = logging.getLogger(__name__)
 
 
 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 ItemStoreLink(SQLModel, table=True):
     item_id: int | None = Field(default=None, foreign_key="item.id", primary_key=True)


@@ -23,15 +25,61 @@ class ItemStoreLink(SQLModel, table=True):
 
 
 class Item(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):
     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(func.lower(item_name).contains(func.lower(ItemZone.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 = str(_get_item_zone(item.name, session)).title() # Title Case
+        if not zone in zones:
+            zones[zone] = []
+        zones[zone].append(str(item).title())
+    for zone in zones:
+        zones[zone].sort()
+        results.append(f' ### {zone}')
+        for item in zones[zone]:
+            results.append(item)
+    return results

 
 class Store(SQLModel, table=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)
     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)


@@ -40,20 +88,23 @@ class Store(SQLModel, table=True):
         return f'{self.name} (#{self.id})'
 
 
         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_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):
 
 class Data():
     def __init__(self, db_file=None):


@@ -61,59 +112,139 @@ class Data():
             db_file = os.path.join(os.environ.get('MATRIX_DATA_DIR', ''), f'{MODULE}.db')
 
         self.file = db_file
             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
 
         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:
         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()
             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):
         store_id = self._add_with_name(Store, name)
 
     def add_store(self, name):
         store_id = self._add_with_name(Store, name)

-        self.last_store_id = store_id
+        self._set_pref_store_id(store_id)

         return store_id
             
     def add_item(self, name):
         return store_id
             
     def add_item(self, name):

-        item_id = self._add_with_name(Item, name)
-        if isinstance(self.last_store_id, int):
-            with Session(self.engine) as session:
-                store_id = self.last_store_id
-                store = session.exec(_get_with_id(Store, store_id)).first()
-                item = session.exec(_get_with_id(Item, item_id)).first()
-                item.stores.append(store)
+        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()
                 session.commit()

+                item_id = new.id
+            except:
+                pass # Already assigned

         return item_id
 
         return item_id
 

-    def assign_store(self, item_id, store_id=None):
-        if store_id:
-            self.last_store_id = store_id
-        else:
-            store_id = self.last_store_id
+    def assign_store(self, item_id, store_id):
+        self._set_pref_store_id(store_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()
 
         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 purchase_item(self, item_id):
+    def list_purchases(self, store_name):
+        '''List unique purchases at store in the past 90 days'''

         with Session(self.engine) as session:
         with Session(self.engine) as session:

-            item = session.exec(_get_with_id(Item, item_id)).first()
-            item.purchase_date = dt.today()
+            recent = dt.now() - timedelta(days=90)
+            cmd = select(PurchaseRecord).where(func.lower(PurchaseRecord.store) == func.lower(store_name)).where(PurchaseRecord.purchase_date > recent)
+            records = session.exec(cmd).all()
+            bought = set()
+            for item in records:
+                 bought.add(item.name)
+            return list(bought)
+
+    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()
+                
+                # 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()
             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:
         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)
             for item in store.shopping_list:
                 if clear_all or item.purchase_date:
                     session.delete(item)

+

             session.commit()
             session.commit()

+            results = _get_pretty_shopping_list(store.id, session)
+        return results

 
     def get_stores(self):
         with Session(self.engine) as session:
 
     def get_stores(self):
         with Session(self.engine) as session:


@@ -131,30 +262,22 @@ class Data():
                 return [f'No unsorted items!']
             return items
 
                 return [f'No unsorted items!']
             return items
 

-    def get_shopping_list(self, store_id=None) -> List[str]:
-        if isinstance(store_id, int):
-            self.last_store_id = store_id
-        else:
-            store_id = self.last_store_id
+    def get_last_shopping_list(self) -> List[str]:
+        store_id = self._get_pref_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.']

 
 

-        results = []
+    def get_shopping_list(self, store_name) -> List[str]:
+        retsults = []

         with Session(self.engine) as session:
         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:
             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):
         return results
 
     def remove_item(self, item_id):