Add backend support for notifications

backend/model.py

@@ -1,9 +1,8 @@
-from sqlalchemy import create_engine, Column, Integer, String, Text, ForeignKey
+from sqlalchemy import create_engine, Column, Integer, String, Text, ForeignKey, Boolean
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.sql.functions import func
 from sqlalchemy.sql.sqltypes import DateTime
-from sqlalchemy.types import Boolean
 
 # Initialize the database
 DATABASE_URL = "sqlite:///./project_monitor.db"
@@ -50,7 +49,54 @@ class Settings(Base):
     requirements = Column(String, nullable=False)
     environment = Column(String, nullable=False)
     user = Column(String, nullable=False)
+    ntfy_url = Column(String, nullable=True)
+
+
+class Subscription(Base):
+    __tablename__ = "subscriptions"
+
+    id = Column(Integer, primary_key=True, index=True)
+    topic = Column(String, nullable=False, unique=True)
+    last_message_id = Column(String, nullable=True)
+    created_at = Column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
+
+
+class Notification(Base):
+    __tablename__ = "notifications"
+
+    id = Column(Integer, primary_key=True, index=True)
+    title = Column(String(255), nullable=False)
+    message = Column(Text, nullable=False)
+    priority = Column(Integer, nullable=False, default=3)
+    viewed = Column(Boolean, default=False)
+    sent = Column(Boolean, default=False)
+
+    subscription_id = Column(Integer, ForeignKey("subscriptions.id"), nullable=False)
+    created_at = Column(
+        DateTime(timezone=True), nullable=False, server_default=func.now()
+    )
 
 
 # Create the database tables
 Base.metadata.create_all(bind=engine)
+
+
+# Ensure a default setting line exists
+def ensure_default_setting():
+    db = SessionLocal()
+    default_setting = db.query(Settings).filter(Settings.user == "default").first()
+    if not default_setting:
+        new_setting = Settings(
+            requirements="",
+            environment="",
+            user="default",
+            ntfy_url="https://ntfy.abzk.fr",
+        )
+        db.add(new_setting)
+        db.commit()
+    db.close()
+
+
+ensure_default_setting()