feat: reactions

backend/open_webui/migrations/versions/3781e22d8b01_update_message_table.py

@@ -0,0 +1,70 @@
+"""Update message & channel tables
+
+Revision ID: 3781e22d8b01
+Revises: 7826ab40b532
+Create Date: 2024-12-30 03:00:00.000000
+
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "3781e22d8b01"
+down_revision = "7826ab40b532"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Add 'type' column to the 'channel' table
+    op.add_column(
+        "channel",
+        sa.Column(
+            "type",
+            sa.Text(),
+            nullable=True,
+        ),
+    )
+
+    # Add 'parent_id' column to the 'message' table for threads
+    op.add_column(
+        "message",
+        sa.Column("parent_id", sa.Text(), nullable=True),
+    )
+
+    op.create_table(
+        "message_reaction",
+        sa.Column(
+            "id", sa.Text(), nullable=False, primary_key=True, unique=True
+        ),  # Unique reaction ID
+        sa.Column("user_id", sa.Text(), nullable=False),  # User who reacted
+        sa.Column(
+            "message_id", sa.Text(), nullable=False
+        ),  # Message that was reacted to
+        sa.Column(
+            "name", sa.Text(), nullable=False
+        ),  # Reaction name (e.g. "thumbs_up")
+        sa.Column(
+            "created_at", sa.BigInteger(), nullable=True
+        ),  # Timestamp of when the reaction was added
+    )
+
+    op.create_table(
+        "channel_member",
+        sa.Column(
+            "id", sa.Text(), nullable=False, primary_key=True, unique=True
+        ),  # Record ID for the membership row
+        sa.Column("channel_id", sa.Text(), nullable=False),  # Associated channel
+        sa.Column("user_id", sa.Text(), nullable=False),  # Associated user
+        sa.Column(
+            "created_at", sa.BigInteger(), nullable=True
+        ),  # Timestamp of when the user joined the channel
+    )
+
+
+def downgrade():
+    # Revert 'type' column addition to the 'channel' table
+    op.drop_column("channel", "type")
+    op.drop_column("message", "parent_id")
+    op.drop_table("message_reaction")
+    op.drop_table("channel_member")