Fixes for re-use preferred store

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

diff --git a/matrix_shop_bot/db.py b/matrix_shop_bot/db.py
index be4b09db5e4243f057f099e9d99bdf0723895983..ea8a3a778c0eac17bbb699613af0223a5065f6dd 100644 (file)
--- a/matrix_shop_bot/db.py
+++ b/matrix_shop_bot/db.py
@@ -1,6 +1,8 @@
 import logging
 import os
 from datetime import datetime as dt
 import logging
 import os
 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
 


@@ -15,42 +17,70 @@ def today():
 logger = logging.getLogger(__name__)
 logging.basicConfig(filename=f'{MODULE}.log', encoding='utf-8', level=logging.DEBUG)
 
 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)
+    store_id: int | None = Field(default=None, foreign_key="store.id", primary_key=True)
+
+

 class Item(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)
 class Item(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)

-    stores: list["Store"] = Relationship(back_populates="shopping_list")
+    stores: list["Store"] = Relationship(back_populates="shopping_list", link_model=ItemStoreLink)

     purchase_date: dt | None = Field(default=None)
     def __str__(self):
     purchase_date: dt | None = Field(default=None)
     def __str__(self):

-        return f'- [ ] {self.name} (#{self.id})'
+        return f'{self.name} (#{self.id})'
+
+class PreferStore(SQLModel, table=True):
+    store_id: int | None = Field(default=None, foreign_key="store.id", primary_key=True)

 
 class Store(SQLModel, table=True):
     id: int | None = Field(default=None, primary_key=True)
     name: str = Field(default=None, unique=True)
 
 class Store(SQLModel, table=True):
     id: int | None = Field(default=None, primary_key=True)
     name: str = Field(default=None, unique=True)

-    shopping_list: list["Item"] = Relationship(back_populates="stores")
-    purchase_history: list["PurchaseRecord"] = Relationship(back_populates="store")
+    shopping_list: list["Item"] = Relationship(back_populates="stores", link_model=ItemStoreLink)
+    # purchase_history: list["PurchaseRecord"] = Relationship(back_populates="store")

     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):
-    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)

 
 
 
 
 
 

+# 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)
+
+def _get_with_id(cls, item_id):
+    return select(cls).where(cls.id == item_id)
+

 
 class Data():
     def __init__(self, db_file=None):
         if not db_file:
 
 class Data():
     def __init__(self, db_file=None):
         if not db_file:

-            db_file = os.path.join(os.environ.get('MATRIX_DATA_DIR', ''), 'goals.db')
+            db_file = os.path.join(os.environ.get('MATRIX_DATA_DIR', ''), f'{MODULE}.db')

 
         self.file = db_file
         self.engine = self.get_engine()
 
         self.file = db_file
         self.engine = self.get_engine()

+        self.last_store_id = None
+
+    def _set_pref_store_id(self, store_id):
+        with Session(self.engine) as session:
+            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()
+
+    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):
         id = -1
 
     def _add_with_name(self, cls, name):
         id = -1


@@ -61,50 +91,72 @@ class Data():
             id = new.id
         return id
 
             id = new.id
         return id
 

-    def _get_with_id(self, cls, item_id):
-        with Session(self.engine) as session:
-            cmd = select(cls).where(cls.id == item_id)
-            return session.exec(cmd).first()
-

     def add_store(self, name):
     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):
             
     def add_item(self, name):

-        return self.add_with_name(Item, name)
+        item_id = self._add_with_name(Item, name)
+        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(store_id)
+        return self.assign_store(item_id, store_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:
         with Session(self.engine) as session:

-            store = self.get_with_id(Store, store_id)
-            item = self.get_with_id(Item, item_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)
             session.commit()
             item.stores.append(store)
             session.commit()

+        return ['Success']

 
     def purchase_item(self, item_id):
         with Session(self.engine) as session:
 
     def purchase_item(self, item_id):
         with Session(self.engine) as session:

-            item = self.get_with_id(Item, item_id)
+            item = session.exec(_get_with_id(Item, item_id)).first()

             item.purchase_date = dt.today()
             session.commit()
             item.purchase_date = dt.today()
             session.commit()

+        return ['Success']

 
     def clear_list(self, store_id, clear_all=False):
         with Session(self.engine) as session:
 
     def clear_list(self, store_id, clear_all=False):
         with Session(self.engine) as session:

-            store = self.get_with_id(Store, store_id)
-            for item in store.items:
-                if clear_all or item.purchased_date:
-                    item.remove()
+            store = session.exec(_get_with_id(Store, store_id)).first()
+            for item in store.shopping_list:
+                if clear_all or item.purchase_date:
+                    session.delete(item)

             session.commit()
 
             session.commit()
 

+    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:
     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
 
             items = session.exec(cmd).all()
 
             if not items:
                 return [f'No unsorted items!']
             return items
 

-    def get_shopping_list(self, store_id) -> List(str):
+
+    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)
+
+    def get_shopping_list(self, store_id) -> List[str]:

         results = []
         with Session(self.engine) as session:
             cmd = select(Store).where(Store.id == store_id)
         results = []
         with Session(self.engine) as session:
             cmd = select(Store).where(Store.id == store_id)


@@ -116,15 +168,27 @@ class Data():
 
             items = store.shopping_list
             if not items:
 
             items = store.shopping_list
             if not items:

-                results.append('-- Nothing to shop for at {store.name} --')
-
-            for item in items:
-                if(item.purchase_date):
-                    results.append(f' - [x] {item}')
-                else:
-                    results.append(f' - [ ] {item}')
+                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 results
 
         return results
 

+    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()
+
+    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}")
 
     def get_engine(self):
         return create_engine(f"sqlite:///{self.file}")