Add database.py

exclamation_mark_charity/database.py

@@ -0,0 +1,46 @@
+import sqlite3
+import sys
+from abc import ABC, abstractmethod
+from sqlite3 import Connection
+
+from exclamation_mark_charity import DB_FILE, LOGGER
+
+
+class DatabaseInterface(ABC):
+
+    @abstractmethod
+    def connect(self):
+        pass
+
+    @abstractmethod
+    def insert(self):
+        pass
+
+    @abstractmethod
+    def create(self):
+        pass
+
+
+class Sqlite(DatabaseInterface):
+    def __init__(self):
+        self.conn: Connection = self.connect()
+
+    def connect(self) -> Connection:
+        LOGGER.info(f"Connecting to {DB_FILE}...")
+
+        try:
+            conn = sqlite3.connect(DB_FILE)
+            conn.execute("PRAGMA foreign_keys = ON;")
+        except sqlite3.Error as err:
+            LOGGER.error(err)
+            sys.exit(err)
+
+        LOGGER.info(f"Connection to {DB_FILE} successful!")
+
+        return conn
+
+    def create(self):
+        pass
+
+    def insert(self):
+        pass