migrations and db creation

alembic/versions/eeb6744b9452_init.py

@@ -19,48 +19,39 @@ depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
-    """Upgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('admins',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('tg_id', sa.Integer(), nullable=False),
-    sa.PrimaryKeyConstraint('id'),
-    sa.UniqueConstraint('tg_id')
+    """Создание всех таблиц согласно моделям."""
+    op.create_table(
+        'admins',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('tg_id', sa.Integer(), unique=True, nullable=False),
     )
-    op.create_table('channels',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(), nullable=True),
-    sa.Column('link', sa.String(), nullable=True),
-    sa.Column('admin_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['admin_id'], ['admins.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'channels',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('name', sa.String, nullable=True),
+        sa.Column('link', sa.String, nullable=True),
+        sa.Column('admin_id', sa.Integer(), sa.ForeignKey('admins.id'), nullable=True),
     )
-    op.create_table('groups',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(), nullable=False),
-    sa.Column('link', sa.String(), nullable=False),
-    sa.Column('admin_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['admin_id'], ['admins.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'groups',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('name', sa.String, nullable=False),
+        sa.Column('link', sa.String, nullable=False),
+        sa.Column('admin_id', sa.Integer(), sa.ForeignKey('admins.id'), nullable=True),
     )
-    op.create_table('buttons',
-    sa.Column('id', sa.Integer(), nullable=False),
-    sa.Column('name', sa.String(), nullable=False),
-    sa.Column('url', sa.String(), nullable=False),
-    sa.Column('channel_id', sa.Integer(), nullable=True),
-    sa.Column('group_id', sa.Integer(), nullable=True),
-    sa.ForeignKeyConstraint(['channel_id'], ['channels.id'], ),
-    sa.ForeignKeyConstraint(['group_id'], ['groups.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'buttons',
+        sa.Column('id', sa.Integer(), primary_key=True),
+        sa.Column('name', sa.String, nullable=False),
+        sa.Column('url', sa.String, nullable=False),
+        sa.Column('channel_id', sa.Integer(), sa.ForeignKey('channels.id'), nullable=True),
+        sa.Column('group_id', sa.Integer(), sa.ForeignKey('groups.id'), nullable=True),
     )
-    # ### end Alembic commands ###
 
 
 def downgrade() -> None:
-    """Downgrade schema."""
-    # ### commands auto generated by Alembic - please adjust! ###
+    """Удаление всех таблиц."""
     op.drop_table('buttons')
     op.drop_table('groups')
     op.drop_table('channels')
     op.drop_table('admins')
-    # ### end Alembic commands ###