"""add file upload

Revision ID: c5b574480b80
Revises: 1c0b9dfbd933
Create Date: 2026-03-20 20:16:04.599906

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'c5b574480b80'
down_revision = '1c0b9dfbd933'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('file_attachments',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('filename', sa.String(length=255), nullable=False),
    sa.Column('original_name', sa.String(length=255), nullable=False),
    sa.Column('file_type', sa.String(length=50), nullable=False),
    sa.Column('mime_type', sa.String(length=100), nullable=False),
    sa.Column('file_size', sa.Integer(), nullable=False),
    sa.Column('minio_bucket', sa.String(length=100), nullable=False),
    sa.Column('minio_object_name', sa.String(length=255), nullable=False),
    sa.Column('thumbnail_minio_object_name', sa.String(length=255), nullable=True),
    sa.Column('thumbnail_minio_bucket', sa.String(length=100), nullable=True),
    sa.Column('attachable_type', sa.String(length=50), nullable=False),
    sa.Column('attachable_id', sa.Integer(), nullable=False),
    sa.Column('uploaded_by', sa.Integer(), nullable=False),
    sa.Column('created_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['uploaded_by'], ['users.id'], ondelete='CASCADE'),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('minio_object_name')
    )
    with op.batch_alter_table('file_attachments', schema=None) as batch_op:
        batch_op.create_index('ix_file_attachments_attachable', ['attachable_type', 'attachable_id'], unique=False)
        batch_op.create_index('ix_file_attachments_user', ['uploaded_by'], unique=False)

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('file_attachments', schema=None) as batch_op:
        batch_op.drop_index('ix_file_attachments_user')
        batch_op.drop_index('ix_file_attachments_attachable')

    op.drop_table('file_attachments')
    # ### end Alembic commands ###