feat: handle unsubscribe

2025-12-01 10:30:31 +03:00
parent c32635839a
commit ca3805eec3
14 changed files with 447 additions and 164 deletions
--- a/migration/versions/3b8259700b61_add_subscription_status_and_.py
+++ b/migration/versions/3b8259700b61_add_subscription_status_and_.py
@@ -0,0 +1,42 @@
+"""add subscription status and unsubscribed_at
+
+Revision ID: 3b8259700b61
+Revises: f05f85d10837
+Create Date: 2025-11-25 18:45:04.642105
+
+"""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = '3b8259700b61'
+down_revision: str | None = 'f05f85d10837'
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    # Создаём enum тип явно
+    subscription_status = sa.Enum('ACTIVE', 'UNSUBSCRIBED', name='subscriptionstatus')
+    subscription_status.create(op.get_bind(), checkfirst=True)
+
+    op.add_column(
+        'subscription',
+        sa.Column('status', subscription_status, nullable=False, server_default='ACTIVE'),
+    )
+    op.add_column('subscription', sa.Column('unsubscribed_at', sa.DateTime(timezone=True), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('subscription', 'unsubscribed_at')
+    op.drop_column('subscription', 'status')
+
+    # Удаляем enum тип
+    sa.Enum(name='subscriptionstatus').drop(op.get_bind(), checkfirst=True)
+    # ### end Alembic commands ###
--- a/migration/versions/52ad7cc9bf1e_add_unique_constraint_for_active_.py
+++ b/migration/versions/52ad7cc9bf1e_add_unique_constraint_for_active_.py
@@ -0,0 +1,63 @@
+"""add unique constraint for active subscriptions
+
+Revision ID: 52ad7cc9bf1e
+Revises: 3b8259700b61
+Create Date: 2025-11-26 14:14:57.814576
+
+"""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = '52ad7cc9bf1e'
+down_revision: str | None = '3b8259700b61'
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    # Добавляем поле target_channel_id (сначала nullable)
+    op.add_column('subscription', sa.Column('target_channel_id', sa.Uuid(), nullable=True))
+
+    # Заполняем target_channel_id из placement
+    op.execute("""
+        UPDATE subscription
+        SET target_channel_id = placement.target_channel_id
+        FROM placement
+        WHERE subscription.placement_id = placement.id
+    """)
+
+    # Делаем поле NOT NULL после заполнения
+    op.alter_column('subscription', 'target_channel_id', nullable=False)
+
+    # Добавляем FK constraint
+    op.create_foreign_key(
+        'subscription_target_channel_id_fkey', 'subscription', 'target_channel', ['target_channel_id'], ['id']
+    )
+
+    # Создаем индекс на target_channel_id
+    op.create_index(op.f('ix_subscription_target_channel_id'), 'subscription', ['target_channel_id'])
+
+    # Создаём UNIQUE constraint для активных подписок
+    op.create_index(
+        'unique_active_subscription_per_channel',
+        'subscription',
+        ['subscriber_id', 'target_channel_id'],
+        unique=True,
+        postgresql_where=sa.text("status = 'ACTIVE'::subscriptionstatus"),
+    )
+
+
+def downgrade() -> None:
+    # Удаляем UNIQUE constraint
+    op.drop_index('unique_active_subscription_per_channel', table_name='subscription')
+
+    # Удаляем индекс и FK constraint
+    op.drop_index(op.f('ix_subscription_target_channel_id'), table_name='subscription')
+    op.drop_constraint('subscription_target_channel_id_fkey', 'subscription', type_='foreignkey')
+
+    # Удаляем колонку
+    op.drop_column('subscription', 'target_channel_id')
--- a/migration/versions/f05f85d10837_init.py
+++ b/migration/versions/f05f85d10837_init.py
@@ -1,10 +1,11 @@
 """init

 Revision ID: f05f85d10837
-Revises: 
+Revises:
 Create Date: 2025-11-13 01:06:51.623272

 """
+
 from collections.abc import Sequence

 import sqlalchemy as sa
@@ -19,152 +20,206 @@ depends_on: str | Sequence[str] | None = None

 def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
-    op.create_table('subscriber',
-    sa.Column('telegram_id', sa.BigInteger(), nullable=False),
-    sa.Column('username', sa.String(), nullable=True),
-    sa.Column('first_name', sa.String(), nullable=True),
-    sa.Column('last_name', sa.String(), nullable=True),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'subscriber',
+        sa.Column('telegram_id', sa.BigInteger(), nullable=False),
+        sa.Column('username', sa.String(), nullable=True),
+        sa.Column('first_name', sa.String(), nullable=True),
+        sa.Column('last_name', sa.String(), nullable=True),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_subscriber_telegram_id'), 'subscriber', ['telegram_id'], unique=True)
-    op.create_table('user',
-    sa.Column('telegram_id', sa.Integer(), nullable=False),
-    sa.Column('username', sa.String(), nullable=True),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'user',
+        sa.Column('telegram_id', sa.Integer(), nullable=False),
+        sa.Column('username', sa.String(), nullable=True),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_user_telegram_id'), 'user', ['telegram_id'], unique=True)
-    op.create_table('external_channel',
-    sa.Column('telegram_id', sa.BigInteger(), nullable=False),
-    sa.Column('title', sa.String(), nullable=False),
-    sa.Column('username', sa.String(), nullable=True),
-    sa.Column('description', sa.String(), nullable=True),
-    sa.Column('subscribers_count', sa.Integer(), nullable=True),
-    sa.Column('user_id', sa.Uuid(), nullable=False),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'external_channel',
+        sa.Column('telegram_id', sa.BigInteger(), nullable=False),
+        sa.Column('title', sa.String(), nullable=False),
+        sa.Column('username', sa.String(), nullable=True),
+        sa.Column('description', sa.String(), nullable=True),
+        sa.Column('subscribers_count', sa.Integer(), nullable=True),
+        sa.Column('user_id', sa.Uuid(), nullable=False),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ['user_id'],
+            ['user.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_external_channel_telegram_id'), 'external_channel', ['telegram_id'], unique=True)
    op.create_index(op.f('ix_external_channel_user_id'), 'external_channel', ['user_id'], unique=False)
    op.create_index(op.f('ix_external_channel_username'), 'external_channel', ['username'], unique=False)
-    op.create_table('login_token',
-    sa.Column('token', sa.String(), nullable=False),
-    sa.Column('user_id', sa.Uuid(), nullable=False),
-    sa.Column('expires_at', sa.DateTime(timezone=True), nullable=False),
-    sa.Column('used_at', sa.DateTime(timezone=True), nullable=True),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'login_token',
+        sa.Column('token', sa.String(), nullable=False),
+        sa.Column('user_id', sa.Uuid(), nullable=False),
+        sa.Column('expires_at', sa.DateTime(timezone=True), nullable=False),
+        sa.Column('used_at', sa.DateTime(timezone=True), nullable=True),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ['user_id'],
+            ['user.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_login_token_token'), 'login_token', ['token'], unique=True)
-    op.create_table('target_channel',
-    sa.Column('telegram_id', sa.BigInteger(), nullable=False),
-    sa.Column('title', sa.String(), nullable=False),
-    sa.Column('username', sa.String(), nullable=True),
-    sa.Column('status', sa.Enum('ACTIVE', 'INACTIVE', 'ARCHIVED', name='targetchannelstatus'), nullable=False),
-    sa.Column('user_id', sa.Uuid(), nullable=False),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'target_channel',
+        sa.Column('telegram_id', sa.BigInteger(), nullable=False),
+        sa.Column('title', sa.String(), nullable=False),
+        sa.Column('username', sa.String(), nullable=True),
+        sa.Column('status', sa.Enum('ACTIVE', 'INACTIVE', 'ARCHIVED', name='targetchannelstatus'), nullable=False),
+        sa.Column('user_id', sa.Uuid(), nullable=False),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ['user_id'],
+            ['user.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_target_channel_telegram_id'), 'target_channel', ['telegram_id'], unique=True)
    op.create_index(op.f('ix_target_channel_user_id'), 'target_channel', ['user_id'], unique=False)
    op.create_index(op.f('ix_target_channel_username'), 'target_channel', ['username'], unique=False)
-    op.create_table('creative',
-    sa.Column('name', sa.String(), nullable=False),
-    sa.Column('text', sa.String(), nullable=False),
-    sa.Column('status', sa.Enum('ACTIVE', 'ARCHIVED', name='creativestatus'), nullable=False),
-    sa.Column('placements_count', sa.Integer(), server_default='0', nullable=False),
-    sa.Column('user_id', sa.Uuid(), nullable=False),
-    sa.Column('target_channel_id', sa.Uuid(), nullable=False),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['target_channel_id'], ['target_channel.id'], ),
-    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'creative',
+        sa.Column('name', sa.String(), nullable=False),
+        sa.Column('text', sa.String(), nullable=False),
+        sa.Column('status', sa.Enum('ACTIVE', 'ARCHIVED', name='creativestatus'), nullable=False),
+        sa.Column('placements_count', sa.Integer(), server_default='0', nullable=False),
+        sa.Column('user_id', sa.Uuid(), nullable=False),
+        sa.Column('target_channel_id', sa.Uuid(), nullable=False),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ['target_channel_id'],
+            ['target_channel.id'],
+        ),
+        sa.ForeignKeyConstraint(
+            ['user_id'],
+            ['user.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_creative_target_channel_id'), 'creative', ['target_channel_id'], unique=False)
    op.create_index(op.f('ix_creative_user_id'), 'creative', ['user_id'], unique=False)
-    op.create_table('target_external_channel',
-    sa.Column('target_channel_id', sa.Uuid(), nullable=False),
-    sa.Column('external_channel_id', sa.Uuid(), nullable=False),
-    sa.ForeignKeyConstraint(['external_channel_id'], ['external_channel.id'], ondelete='CASCADE'),
-    sa.ForeignKeyConstraint(['target_channel_id'], ['target_channel.id'], ondelete='CASCADE'),
-    sa.PrimaryKeyConstraint('target_channel_id', 'external_channel_id')
+    op.create_table(
+        'target_external_channel',
+        sa.Column('target_channel_id', sa.Uuid(), nullable=False),
+        sa.Column('external_channel_id', sa.Uuid(), nullable=False),
+        sa.ForeignKeyConstraint(['external_channel_id'], ['external_channel.id'], ondelete='CASCADE'),
+        sa.ForeignKeyConstraint(['target_channel_id'], ['target_channel.id'], ondelete='CASCADE'),
+        sa.PrimaryKeyConstraint('target_channel_id', 'external_channel_id'),
    )
-    op.create_table('placement',
-    sa.Column('target_channel_id', sa.Uuid(), nullable=False),
-    sa.Column('external_channel_id', sa.Uuid(), nullable=False),
-    sa.Column('creative_id', sa.Uuid(), nullable=False),
-    sa.Column('user_id', sa.Uuid(), nullable=False),
-    sa.Column('placement_date', sa.DateTime(timezone=True), nullable=False),
-    sa.Column('cost', sa.Float(), nullable=True),
-    sa.Column('comment', sa.String(), nullable=True),
-    sa.Column('ad_post_url', sa.String(), nullable=True),
-    sa.Column('invite_link_type', sa.Enum('PUBLIC', 'APPROVAL', name='invitelinktype'), nullable=False),
-    sa.Column('invite_link', sa.String(), nullable=False),
-    sa.Column('status', sa.Enum('ACTIVE', 'ARCHIVED', name='placementstatus'), nullable=False),
-    sa.Column('subscriptions_count', sa.Integer(), server_default='0', nullable=False),
-    sa.Column('views_count', sa.Integer(), nullable=True),
-    sa.Column('views_availability', sa.Enum('UNKNOWN', 'AVAILABLE', 'UNAVAILABLE', 'MANUAL', name='postviewsavailability'), nullable=False),
-    sa.Column('last_views_fetch_at', sa.DateTime(timezone=True), nullable=True),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['creative_id'], ['creative.id'], ),
-    sa.ForeignKeyConstraint(['external_channel_id'], ['external_channel.id'], ),
-    sa.ForeignKeyConstraint(['target_channel_id'], ['target_channel.id'], ),
-    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'placement',
+        sa.Column('target_channel_id', sa.Uuid(), nullable=False),
+        sa.Column('external_channel_id', sa.Uuid(), nullable=False),
+        sa.Column('creative_id', sa.Uuid(), nullable=False),
+        sa.Column('user_id', sa.Uuid(), nullable=False),
+        sa.Column('placement_date', sa.DateTime(timezone=True), nullable=False),
+        sa.Column('cost', sa.Float(), nullable=True),
+        sa.Column('comment', sa.String(), nullable=True),
+        sa.Column('ad_post_url', sa.String(), nullable=True),
+        sa.Column('invite_link_type', sa.Enum('PUBLIC', 'APPROVAL', name='invitelinktype'), nullable=False),
+        sa.Column('invite_link', sa.String(), nullable=False),
+        sa.Column('status', sa.Enum('ACTIVE', 'ARCHIVED', name='placementstatus'), nullable=False),
+        sa.Column('subscriptions_count', sa.Integer(), server_default='0', nullable=False),
+        sa.Column('views_count', sa.Integer(), nullable=True),
+        sa.Column(
+            'views_availability',
+            sa.Enum('UNKNOWN', 'AVAILABLE', 'UNAVAILABLE', 'MANUAL', name='postviewsavailability'),
+            nullable=False,
+        ),
+        sa.Column('last_views_fetch_at', sa.DateTime(timezone=True), nullable=True),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ['creative_id'],
+            ['creative.id'],
+        ),
+        sa.ForeignKeyConstraint(
+            ['external_channel_id'],
+            ['external_channel.id'],
+        ),
+        sa.ForeignKeyConstraint(
+            ['target_channel_id'],
+            ['target_channel.id'],
+        ),
+        sa.ForeignKeyConstraint(
+            ['user_id'],
+            ['user.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_placement_creative_id'), 'placement', ['creative_id'], unique=False)
    op.create_index(op.f('ix_placement_external_channel_id'), 'placement', ['external_channel_id'], unique=False)
    op.create_index(op.f('ix_placement_target_channel_id'), 'placement', ['target_channel_id'], unique=False)
    op.create_index(op.f('ix_placement_user_id'), 'placement', ['user_id'], unique=False)
-    op.create_table('placement_views_history',
-    sa.Column('placement_id', sa.Uuid(), nullable=False),
-    sa.Column('views_count', sa.Integer(), nullable=False),
-    sa.Column('fetched_at', sa.DateTime(timezone=True), nullable=False),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['placement_id'], ['placement.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_table(
+        'placement_views_history',
+        sa.Column('placement_id', sa.Uuid(), nullable=False),
+        sa.Column('views_count', sa.Integer(), nullable=False),
+        sa.Column('fetched_at', sa.DateTime(timezone=True), nullable=False),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ['placement_id'],
+            ['placement.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
    )
-    op.create_index(op.f('ix_placement_views_history_fetched_at'), 'placement_views_history', ['fetched_at'], unique=False)
-    op.create_index(op.f('ix_placement_views_history_placement_id'), 'placement_views_history', ['placement_id'], unique=False)
-    op.create_table('subscription',
-    sa.Column('placement_id', sa.Uuid(), nullable=False),
-    sa.Column('subscriber_id', sa.Uuid(), nullable=False),
-    sa.Column('invite_link', sa.String(), nullable=False),
-    sa.Column('id', sa.Uuid(), nullable=False),
-    sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
-    sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
-    sa.ForeignKeyConstraint(['placement_id'], ['placement.id'], ),
-    sa.ForeignKeyConstraint(['subscriber_id'], ['subscriber.id'], ),
-    sa.PrimaryKeyConstraint('id')
+    op.create_index(
+        op.f('ix_placement_views_history_fetched_at'), 'placement_views_history', ['fetched_at'], unique=False
+    )
+    op.create_index(
+        op.f('ix_placement_views_history_placement_id'), 'placement_views_history', ['placement_id'], unique=False
+    )
+    op.create_table(
+        'subscription',
+        sa.Column('placement_id', sa.Uuid(), nullable=False),
+        sa.Column('subscriber_id', sa.Uuid(), nullable=False),
+        sa.Column('invite_link', sa.String(), nullable=False),
+        sa.Column('id', sa.Uuid(), nullable=False),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.text('now()'), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(
+            ['placement_id'],
+            ['placement.id'],
+        ),
+        sa.ForeignKeyConstraint(
+            ['subscriber_id'],
+            ['subscriber.id'],
+        ),
+        sa.PrimaryKeyConstraint('id'),
    )
    op.create_index(op.f('ix_subscription_invite_link'), 'subscription', ['invite_link'], unique=False)
    op.create_index(op.f('ix_subscription_placement_id'), 'subscription', ['placement_id'], unique=False)