feat: daily QOL: participants dictionary (#721)

* daily QOL: participants dictionary * meeting deactivation fix * meeting deactivation fix --------- Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>
2025-12-21 04:39:06 +00:00 · 2025-11-14 14:31:52 -05:00
parent 28a7258e45
commit b20cad76e6
13 changed files with 759 additions and 60 deletions
--- a/server/migrations/versions/2b92a1b03caa_add_daily_participant_session_table_.py
+++ b/server/migrations/versions/2b92a1b03caa_add_daily_participant_session_table_.py
@@ -0,0 +1,79 @@
+"""add daily participant session table with immutable left_at
+
+Revision ID: 2b92a1b03caa
+Revises: f8294b31f022
+Create Date: 2025-11-13 20:29:30.486577
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "2b92a1b03caa"
+down_revision: Union[str, None] = "f8294b31f022"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # Create table
+    op.create_table(
+        "daily_participant_session",
+        sa.Column("id", sa.String(), nullable=False),
+        sa.Column("meeting_id", sa.String(), nullable=False),
+        sa.Column("room_id", sa.String(), nullable=False),
+        sa.Column("session_id", sa.String(), nullable=False),
+        sa.Column("user_id", sa.String(), nullable=True),
+        sa.Column("user_name", sa.String(), nullable=False),
+        sa.Column("joined_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("left_at", sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(["meeting_id"], ["meeting.id"], ondelete="CASCADE"),
+        sa.ForeignKeyConstraint(["room_id"], ["room.id"], ondelete="CASCADE"),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    with op.batch_alter_table("daily_participant_session", schema=None) as batch_op:
+        batch_op.create_index(
+            "idx_daily_session_meeting_left", ["meeting_id", "left_at"], unique=False
+        )
+        batch_op.create_index("idx_daily_session_room", ["room_id"], unique=False)
+
+    # Create trigger function to prevent left_at from being updated once set
+    op.execute("""
+        CREATE OR REPLACE FUNCTION prevent_left_at_update()
+        RETURNS TRIGGER AS $$
+        BEGIN
+            IF OLD.left_at IS NOT NULL THEN
+                RAISE EXCEPTION 'left_at is immutable once set';
+            END IF;
+            RETURN NEW;
+        END;
+        $$ LANGUAGE plpgsql;
+    """)
+
+    # Create trigger
+    op.execute("""
+        CREATE TRIGGER prevent_left_at_update_trigger
+        BEFORE UPDATE ON daily_participant_session
+        FOR EACH ROW
+        EXECUTE FUNCTION prevent_left_at_update();
+    """)
+
+
+def downgrade() -> None:
+    # Drop trigger
+    op.execute(
+        "DROP TRIGGER IF EXISTS prevent_left_at_update_trigger ON daily_participant_session;"
+    )
+
+    # Drop trigger function
+    op.execute("DROP FUNCTION IF EXISTS prevent_left_at_update();")
+
+    # Drop indexes and table
+    with op.batch_alter_table("daily_participant_session", schema=None) as batch_op:
+        batch_op.drop_index("idx_daily_session_room")
+        batch_op.drop_index("idx_daily_session_meeting_left")
+
+    op.drop_table("daily_participant_session")