Update support for unique user IDs (#2921)

openmemory/api/alembic/versions/afd00efbd06b_add_unique_user_id_constraints.py

@@ -0,0 +1,36 @@
+"""remove_global_unique_constraint_on_app_name_add_composite_unique
+
+Revision ID: afd00efbd06b
+Revises: add_config_table
+Create Date: 2025-06-04 01:59:41.637440
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'afd00efbd06b'
+down_revision: Union[str, None] = 'add_config_table'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index('ix_apps_name', table_name='apps')
+    op.create_index(op.f('ix_apps_name'), 'apps', ['name'], unique=False)
+    op.create_index('idx_app_owner_name', 'apps', ['owner_id', 'name'], unique=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index('idx_app_owner_name', table_name='apps')
+    op.drop_index(op.f('ix_apps_name'), table_name='apps')
+    op.create_index('ix_apps_name', 'apps', ['name'], unique=True)
+    # ### end Alembic commands ###

openmemory/api/app/models.py

@@ -1,6 +1,7 @@
 import enum
 import uuid
 import datetime
+import sqlalchemy as sa
 from sqlalchemy import (
     Column, String, Boolean, ForeignKey, Enum, Table,
     DateTime, JSON, Integer, UUID, Index, event
@@ -43,7 +44,7 @@ class App(Base):
     __tablename__ = "apps"
     id = Column(UUID, primary_key=True, default=lambda: uuid.uuid4())
     owner_id = Column(UUID, ForeignKey("users.id"), nullable=False, index=True)
-    name = Column(String, unique=True, nullable=False, index=True)
+    name = Column(String, nullable=False, index=True)
     description = Column(String)
     metadata_ = Column('metadata', JSON, default=dict)
     is_active = Column(Boolean, default=True, index=True)
@@ -55,6 +56,10 @@ class App(Base):
     owner = relationship("User", back_populates="apps")
     memories = relationship("Memory", back_populates="app")
 
+    __table_args__ = (
+        sa.UniqueConstraint('owner_id', 'name', name='idx_app_owner_name'),
+    )
+
 
 class Config(Base):
     __tablename__ = "configs"

openmemory/api/app/routers/memories.py

@@ -212,7 +212,8 @@ async def create_memory(
     if not user:
         raise HTTPException(status_code=404, detail="User not found")
     # Get or create app
-    app_obj = db.query(App).filter(App.name == request.app).first()
+    app_obj = db.query(App).filter(App.name == request.app,
+                                   App.owner_id == user.id).first()
     if not app_obj:
         app_obj = App(name=request.app, owner_id=user.id)
         db.add(app_obj)