Add OpenMemory (#2676)

Co-authored-by: Saket Aryan <94069182+whysosaket@users.noreply.github.com>
Co-authored-by: Saket Aryan <saketaryan2002@gmail.com>

openmemory/api/app/utils/permissions.py

@@ -0,0 +1,52 @@
+from typing import Optional
+from uuid import UUID
+from sqlalchemy.orm import Session
+from app.models import Memory, App, MemoryState
+
+
+def check_memory_access_permissions(
+    db: Session,
+    memory: Memory,
+    app_id: Optional[UUID] = None
+) -> bool:
+    """
+    Check if the given app has permission to access a memory based on:
+    1. Memory state (must be active)
+    2. App state (must not be paused)
+    3. App-specific access controls
+
+    Args:
+        db: Database session
+        memory: Memory object to check access for
+        app_id: Optional app ID to check permissions for
+
+    Returns:
+        bool: True if access is allowed, False otherwise
+    """
+    # Check if memory is active
+    if memory.state != MemoryState.active:
+        return False
+
+    # If no app_id provided, only check memory state
+    if not app_id:
+        return True
+
+    # Check if app exists and is active
+    app = db.query(App).filter(App.id == app_id).first()
+    if not app:
+        return False
+
+    # Check if app is paused/inactive
+    if not app.is_active:
+        return False
+
+    # Check app-specific access controls
+    from app.routers.memories import get_accessible_memory_ids
+    accessible_memory_ids = get_accessible_memory_ids(db, app_id)
+
+    # If accessible_memory_ids is None, all memories are accessible
+    if accessible_memory_ids is None:
+        return True
+
+    # Check if memory is in the accessible set
+    return memory.id in accessible_memory_ids