support articles

migrations/versions/add_help_articles_table.py

@@ -0,0 +1,56 @@
+"""add help articles table
+
+Revision ID: add_help_articles_table
+Revises: c94c2b2b9f2e
+Create Date: 2024-12-19 10:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import text
+
+
+# revision identifiers, used by Alembic.
+revision = 'add_help_articles_table'
+down_revision = 'c94c2b2b9f2e'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    conn = op.get_bind()
+    result = conn.execute(text("""
+        SELECT EXISTS (
+            SELECT FROM information_schema.tables 
+            WHERE table_name = 'help_articles'
+        );
+    """))
+    exists = result.scalar()
+    if not exists:
+        op.create_table('help_articles',
+            sa.Column('id', sa.Integer(), nullable=False),
+            sa.Column('title', sa.String(length=200), nullable=False),
+            sa.Column('category', sa.String(length=50), nullable=False),
+            sa.Column('body', sa.Text(), nullable=False),
+            sa.Column('created_at', sa.DateTime(), nullable=True),
+            sa.Column('updated_at', sa.DateTime(), nullable=True),
+            sa.Column('created_by', sa.Integer(), nullable=False),
+            sa.Column('is_published', sa.Boolean(), nullable=True, server_default='true'),
+            sa.Column('order_index', sa.Integer(), nullable=True, server_default='0'),
+            sa.ForeignKeyConstraint(['created_by'], ['user.id'], ondelete='CASCADE'),
+            sa.PrimaryKeyConstraint('id')
+        )
+        
+        # Create indexes for better performance
+        op.create_index('idx_help_articles_category', 'help_articles', ['category'])
+        op.create_index('idx_help_articles_published', 'help_articles', ['is_published'])
+        op.create_index('idx_help_articles_order', 'help_articles', ['order_index'])
+        op.create_index('idx_help_articles_created_at', 'help_articles', ['created_at'])
+
+
+def downgrade():
+    op.drop_index('idx_help_articles_category', table_name='help_articles')
+    op.drop_index('idx_help_articles_published', table_name='help_articles')
+    op.drop_index('idx_help_articles_order', table_name='help_articles')
+    op.drop_index('idx_help_articles_created_at', table_name='help_articles')
+    op.drop_table('help_articles')