first commit

configs/vector_stores/mongodb.py

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+from typing import Any, Dict, Optional
+
+from pydantic import BaseModel, Field, model_validator
+
+
+class MongoDBConfig(BaseModel):
+    """Configuration for MongoDB vector database."""
+
+    db_name: str = Field("mem0_db", description="Name of the MongoDB database")
+    collection_name: str = Field("mem0", description="Name of the MongoDB collection")
+    embedding_model_dims: Optional[int] = Field(1536, description="Dimensions of the embedding vectors")
+    mongo_uri: str = Field("mongodb://localhost:27017", description="MongoDB URI. Default is mongodb://localhost:27017")
+
+    @model_validator(mode="before")
+    @classmethod
+    def validate_extra_fields(cls, values: Dict[str, Any]) -> Dict[str, Any]:
+        allowed_fields = set(cls.model_fields.keys())
+        input_fields = set(values.keys())
+        extra_fields = input_fields - allowed_fields
+        if extra_fields:
+            raise ValueError(
+                f"Extra fields not allowed: {', '.join(extra_fields)}. "
+                f"Please provide only the following fields: {', '.join(allowed_fields)}."
+            )
+        return values