Add #roomname references in chat messages (#47)

Mirrors the existing @-mention system's shape: a regex finds #roomname tokens, extract_referenced_room_ids validates them against rooms the *sender* actually belongs to (mirrors mentions' "must be a real member" rule -- referencing a private room the sender isn't in would otherwise leak its existence), and a MessageRoomReference join row is stored per match in create_message. No notification/unread layer, unlike mentions -- referencing a room has no "you were referenced" semantics. Rendering is the same markdown-link rewrite trick MessageContent.tsx already uses for mentions (#username -> [#username](mention:username)), but resolved against the *viewer's* own room list (threaded down from ChatShellPage's room state through ChatPane/MessageList) rather than the stored server-side reference -- a reference to a room the current viewer isn't in quietly renders as plain text instead of a link, same as an @mention of someone outside the room does. The href scheme renders a real react-router Link instead of mentions' inert span, since a room reference is meant to be navigable. mention_service.strip_code_spans (was _strip_code_spans) is now shared between both extraction paths rather than private to one module. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-17 19:03:18 -06:00
parent 8716fc5356
commit 12264b4d18
12 changed files with 305 additions and 12 deletions
@@ -0,0 +1,44 @@
+"""message room references for hash roomname links
+
+Revision ID: 9484fbd1cb3a
+Revises: f3ec1c1d1992
+Create Date: 2026-08-17 18:57:16.584680
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '9484fbd1cb3a'
+down_revision: Union[str, Sequence[str], None] = 'f3ec1c1d1992'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    op.create_table(
+        "message_room_references",
+        sa.Column("message_id", sa.Uuid(), nullable=False),
+        sa.Column("room_id", sa.Uuid(), nullable=False),
+        sa.ForeignKeyConstraint(["message_id"], ["messages.id"]),
+        sa.ForeignKeyConstraint(["room_id"], ["rooms.id"]),
+        sa.PrimaryKeyConstraint("message_id", "room_id"),
+    )
+    op.create_index(
+        op.f("ix_message_room_references_room_id"),
+        "message_room_references",
+        ["room_id"],
+        unique=False,
+    )
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    op.drop_index(
+        op.f("ix_message_room_references_room_id"), table_name="message_room_references"
+    )
+    op.drop_table("message_room_references")