better migrations

migrations/add_events_table.py

@@ -1,61 +0,0 @@
-import os
-import sys
-from pathlib import Path
-
-# Add the parent directory to Python path so we can import from root
-sys.path.append(str(Path(__file__).parent.parent))
-
-from flask import Flask
-from flask_sqlalchemy import SQLAlchemy
-from extensions import db
-from sqlalchemy import text
-
-def upgrade():
-    # Create events table
-    with db.engine.connect() as conn:
-        conn.execute(text('''
-            CREATE TABLE IF NOT EXISTS events (
-                id SERIAL PRIMARY KEY,
-                event_type VARCHAR(50) NOT NULL,
-                user_id INTEGER NOT NULL REFERENCES "user" (id),
-                timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-                details JSONB,
-                ip_address VARCHAR(45),
-                user_agent VARCHAR(255)
-            );
-            
-            -- Create index on event_type for faster filtering
-            CREATE INDEX IF NOT EXISTS idx_events_event_type ON events(event_type);
-            
-            -- Create index on timestamp for faster date-based queries
-            CREATE INDEX IF NOT EXISTS idx_events_timestamp ON events(timestamp);
-            
-            -- Create index on user_id for faster user-based queries
-            CREATE INDEX IF NOT EXISTS idx_events_user_id ON events(user_id);
-        '''))
-        conn.commit()
-
-def downgrade():
-    # Drop events table and its indexes
-    with db.engine.connect() as conn:
-        conn.execute(text('''
-            DROP INDEX IF EXISTS idx_events_event_type;
-            DROP INDEX IF EXISTS idx_events_timestamp;
-            DROP INDEX IF EXISTS idx_events_user_id;
-            DROP TABLE IF EXISTS events;
-        '''))
-        conn.commit()
-
-if __name__ == '__main__':
-    app = Flask(__name__)
-    
-    # Use the same database configuration as in app.py
-    app.config['SQLALCHEMY_DATABASE_URI'] = os.getenv('DATABASE_URL', 'postgresql://postgres:1253@localhost:5432/docupulse')
-    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
-    
-    print("Connecting to database...")
-    
-    db.init_app(app)
-    
-    with app.app_context():
-        upgrade() 

migrations/add_notifs_table.py

@@ -1,61 +0,0 @@
-import os
-import sys
-from pathlib import Path
-
-# Add the parent directory to Python path so we can import from root
-sys.path.append(str(Path(__file__).parent.parent))
-
-from flask import Flask
-from flask_sqlalchemy import SQLAlchemy
-from extensions import db
-from sqlalchemy import text
-
-def upgrade():
-    # Create notifs table
-    with db.engine.connect() as conn:
-        conn.execute(text('''
-            CREATE TABLE IF NOT EXISTS notifs (
-                id SERIAL PRIMARY KEY,
-                notif_type VARCHAR(50) NOT NULL,
-                user_id INTEGER NOT NULL REFERENCES "user" (id),
-                sender_id INTEGER REFERENCES "user" (id),
-                timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-                read BOOLEAN NOT NULL DEFAULT FALSE,
-                details JSONB
-            );
-            
-            -- Create indexes for faster queries
-            CREATE INDEX IF NOT EXISTS idx_notifs_notif_type ON notifs(notif_type);
-            CREATE INDEX IF NOT EXISTS idx_notifs_timestamp ON notifs(timestamp);
-            CREATE INDEX IF NOT EXISTS idx_notifs_user_id ON notifs(user_id);
-            CREATE INDEX IF NOT EXISTS idx_notifs_sender_id ON notifs(sender_id);
-            CREATE INDEX IF NOT EXISTS idx_notifs_read ON notifs(read);
-        '''))
-        conn.commit()
-
-def downgrade():
-    # Drop notifs table and its indexes
-    with db.engine.connect() as conn:
-        conn.execute(text('''
-            DROP INDEX IF EXISTS idx_notifs_notif_type;
-            DROP INDEX IF EXISTS idx_notifs_timestamp;
-            DROP INDEX IF EXISTS idx_notifs_user_id;
-            DROP INDEX IF EXISTS idx_notifs_sender_id;
-            DROP INDEX IF EXISTS idx_notifs_read;
-            DROP TABLE IF EXISTS notifs;
-        '''))
-        conn.commit()
-
-if __name__ == '__main__':
-    app = Flask(__name__)
-    
-    # Use the same database configuration as in app.py
-    app.config['SQLALCHEMY_DATABASE_URI'] = os.getenv('DATABASE_URL', 'postgresql://postgres:1253@localhost:5432/docupulse')
-    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
-    
-    print("Connecting to database...")
-    
-    db.init_app(app)
-    
-    with app.app_context():
-        upgrade() 

migrations/versions/add_events_table.py

@@ -0,0 +1,42 @@
+"""create events table
+
+Revision ID: add_events_table
+Revises: f18735338888
+Create Date: 2024-03-19 10:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+# revision identifiers, used by Alembic.
+revision = 'add_events_table'
+down_revision = 'f18735338888'
+branch_labels = None
+depends_on = None
+
+def upgrade():
+    conn = op.get_bind()
+    inspector = inspect(conn)
+    tables = inspector.get_table_names()
+    
+    if 'events' not in tables:
+        op.create_table(
+            'events',
+            sa.Column('id', sa.Integer, primary_key=True),
+            sa.Column('event_type', sa.String(50), nullable=False),
+            sa.Column('user_id', sa.Integer, sa.ForeignKey('user.id'), nullable=True),
+            sa.Column('timestamp', sa.DateTime, nullable=False),
+            sa.Column('details', sa.JSON),
+            sa.Column('ip_address', sa.String(45)),
+            sa.Column('user_agent', sa.String(255)),
+        )
+        op.create_index('idx_events_event_type', 'events', ['event_type'])
+        op.create_index('idx_events_timestamp', 'events', ['timestamp'])
+        op.create_index('idx_events_user_id', 'events', ['user_id'])
+
+def downgrade():
+    op.drop_index('idx_events_event_type', table_name='events')
+    op.drop_index('idx_events_timestamp', table_name='events')
+    op.drop_index('idx_events_user_id', table_name='events')
+    op.drop_table('events') 

migrations/versions/add_notifs_table.py

@@ -0,0 +1,46 @@
+"""create notifs table
+
+Revision ID: add_notifs_table
+Revises: add_events_table
+Create Date: 2024-03-19 10:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import inspect
+
+# revision identifiers, used by Alembic.
+revision = 'add_notifs_table'
+down_revision = 'add_events_table'
+branch_labels = None
+depends_on = None
+
+def upgrade():
+    conn = op.get_bind()
+    inspector = inspect(conn)
+    tables = inspector.get_table_names()
+    
+    if 'notifs' not in tables:
+        op.create_table(
+            'notifs',
+            sa.Column('id', sa.Integer, primary_key=True),
+            sa.Column('notif_type', sa.String(50), nullable=False),
+            sa.Column('user_id', sa.Integer, sa.ForeignKey('user.id'), nullable=False),
+            sa.Column('sender_id', sa.Integer, sa.ForeignKey('user.id'), nullable=True),
+            sa.Column('timestamp', sa.DateTime, nullable=False),
+            sa.Column('read', sa.Boolean, nullable=False, default=False),
+            sa.Column('details', sa.JSON),
+        )
+        op.create_index('idx_notifs_notif_type', 'notifs', ['notif_type'])
+        op.create_index('idx_notifs_timestamp', 'notifs', ['timestamp'])
+        op.create_index('idx_notifs_user_id', 'notifs', ['user_id'])
+        op.create_index('idx_notifs_sender_id', 'notifs', ['sender_id'])
+        op.create_index('idx_notifs_read', 'notifs', ['read'])
+
+def downgrade():
+    op.drop_index('idx_notifs_notif_type', table_name='notifs')
+    op.drop_index('idx_notifs_timestamp', table_name='notifs')
+    op.drop_index('idx_notifs_user_id', table_name='notifs')
+    op.drop_index('idx_notifs_sender_id', table_name='notifs')
+    op.drop_index('idx_notifs_read', table_name='notifs')
+    op.drop_table('notifs') 

migrations/versions/make_events_user_id_nullable.py

@@ -0,0 +1,27 @@
+"""make events user_id nullable
+
+Revision ID: make_events_user_id_nullable
+Revises: f18735338888
+Create Date: 2024-03-19 10:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = 'make_events_user_id_nullable'
+down_revision = 'f18735338888'  # This should be the latest migration
+branch_labels = None
+depends_on = None
+
+def upgrade():
+    # Make user_id nullable in events table
+    op.alter_column('events', 'user_id',
+               existing_type=sa.Integer(),
+               nullable=True)
+
+def downgrade():
+    # Make user_id non-nullable again
+    op.alter_column('events', 'user_id',
+               existing_type=sa.Integer(),
+               nullable=False)