Show unique items from past 90 days when requested

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

diff --git a/matrix_shop_bot/db.py b/matrix_shop_bot/db.py
index d56bb6a0c7529b178a8dab60164ffbcbca07b63a..6cacc33b5a92a86e0f44a8bcac02d11c8c5a8e5e 100644 (file)
--- a/matrix_shop_bot/db.py
+++ b/matrix_shop_bot/db.py
@@ -1,10 +1,11 @@
 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
 
 
 from sqlite3 import IntegrityError
 


@@ -24,18 +25,60 @@ 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):
 
 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)
 
     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(ItemZone.name) == func.lower(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 = str(_get_item_zone(item.name, session)).title() # Title Case
+        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):
 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)


@@ -43,8 +86,9 @@ class Store(SQLModel, table=True):
     def __str__(self):
         return f'{self.name} (#{self.id})'
 
     def __str__(self):
         return f'{self.name} (#{self.id})'
 

-# May get used later...
+

 class PurchaseRecord(SQLModel, table=True):
 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)
     id: int | None = Field(default=None, primary_key=True)
     name: str = Field(default=None)
     price: Decimal | None = Field(decimal_places=2)


@@ -52,11 +96,14 @@ class PurchaseRecord(SQLModel, table=True):
     purchase_date: dt | None = Field(default=None)
     def __str__(self):
         date = self.purchase_date.strftime(DATE_FORMAT)
     purchase_date: dt | None = Field(default=None)
     def __str__(self):
         date = self.purchase_date.strftime(DATE_FORMAT)

-        return f'{self.name} at {self.store} on {date}'
+        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):


@@ -117,6 +164,19 @@ class Data():
         self.assign_store(item_id, store_id)
         return 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, item_id, store_id):
         self._set_pref_store_id(store_id)
 


@@ -132,9 +192,13 @@ class Data():
 
     def list_purchases(self, store_name):
         with Session(self.engine) as session:
 
     def list_purchases(self, store_name):
         with Session(self.engine) as session:

-            cmd = select(PurchaseRecord).where(PurchaseRecord.store == store_name)
+            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()
             records = session.exec(cmd).all()

-            return records
+            bought = set()
+            for item in records:
+                 bought.add(item.name)
+            return list(bought)

 
     def purchase_items(self, item_ids):
         results = []
 
     def purchase_items(self, item_ids):
         results = []


@@ -165,13 +229,20 @@ class Data():
         return results
 
 
         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:


@@ -189,34 +260,22 @@ class Data():
                 return [f'No unsorted items!']
             return items
 
                 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()
     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:
         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):